WO2013013334A2 - Améliorations apportées à un système de chauffage, ventilation et climatisation - Google Patents

Améliorations apportées à un système de chauffage, ventilation et climatisation Download PDF

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Publication number
WO2013013334A2
WO2013013334A2 PCT/CH2012/000231 CH2012000231W WO2013013334A2 WO 2013013334 A2 WO2013013334 A2 WO 2013013334A2 CH 2012000231 W CH2012000231 W CH 2012000231W WO 2013013334 A2 WO2013013334 A2 WO 2013013334A2
Authority
WO
WIPO (PCT)
Prior art keywords
drive
shaft
torque
clamping block
electronics
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CH2012/000231
Other languages
German (de)
English (en)
Other versions
WO2013013334A3 (fr
Inventor
René NAEGELI
Dieter Müller
Marc Thuillard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Belimo Holding AG
Original Assignee
Belimo Holding AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Belimo Holding AG filed Critical Belimo Holding AG
Priority to PCT/CH2012/000231 priority Critical patent/WO2013013334A2/fr
Publication of WO2013013334A2 publication Critical patent/WO2013013334A2/fr
Publication of WO2013013334A3 publication Critical patent/WO2013013334A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/20—Freewheels or freewheel clutches with expandable or contractable clamping ring or band
    • F16D41/206—Freewheels or freewheel clutches with expandable or contractable clamping ring or band having axially adjacent coils, e.g. helical wrap-springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/24—Operating or controlling mechanisms
    • A62C2/246—Operating or controlling mechanisms having non-mechanical actuators
    • A62C2/247—Operating or controlling mechanisms having non-mechanical actuators electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • F16D1/101—Quick-acting couplings in which the parts are connected by simply bringing them together axially without axial retaining means rotating with the coupling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/40—Damper positions, e.g. open or closed

Definitions

  • HVAC heating, ventilation, air conditioning
  • HVAC valve electric drive for valves for regulating the flow of fluids in HVAC systems
  • HVAC systems are known in which, for example, in ventilation or water applications in particular damper actuators for ventilation flaps or control valves are used to control a volume flow.
  • the volume flow relates to an air flow or a water flow for heating, ventilation and air conditioning functions, in particular a control or regulation of volume flows is required.
  • Components of HVAC systems must be reliable, durable and cost effective.
  • An object of the invention is to propose at least one further development of an HVAC system which overcomes at least certain disadvantages of the prior art. It is a particular object of the invention to propose at least one further development of a drive for HVAC valves, which overcomes at least certain disadvantages of the prior art.
  • a drive for an HVAC system e.g. a damper drive
  • a protective housing which comprises a gas-permeable membrane, which allows the gas exchange between the housing interior of the protective housing and the environment.
  • a load torque lock for an HVAC drive.
  • a load torque lock comprises a wrap spring and a form-locking bolt which are set up in such a way that the wrap spring is released from the form-locking bolt during drive-side loading and free rotation is enabled, and that at load on the output side the wrap spring forms a frictional connection with the form-locking bolt and is blocked from twisting.
  • a drive is provided with a gear stage with a characteristic adaptation with which, in particular, the gear ratio with the rotation of the gear wheels is variable, wherein the transmitted torque, the angle of rotation and / or the rotational speed change.
  • a drive is provided with a positive locking insert for establishing a positive connection between a hollow shaft of the drive and a flap shaft.
  • a drive is provided with a clamping block to transmit torque between a shaft of the drive and a flap shaft.
  • a clamping block for a drive wherein the clamping block is adapted for transmitting a torque between a shaft of the drive and a flap shaft, wherein the clamping block gelungsgel and a clamping element, between which with locking means a clamping force can be set to clamp the terminal block on a flap shaft.
  • a clamping block for a drive wherein the clamping block is arranged for transmitting a torque between a shaft of the drive and a flap shaft, wherein the clamping block is adapted to produce a non-positive torque transmission with flap shafts of different cross-sectional sizes and / or cross-sectional geometries ,
  • a clamping block for a drive wherein the clamping block is arranged for transmitting a torque between a shaft of the drive and a flap shaft, wherein a clamping element of the clamping block has a step-shaped profile to flap shafts of different cross-sectional sizes and / or to center cross-sectional geometries, wherein the clamping element is produced in particular by sintering as a sintered insert.
  • a drive jack wherein the clamp is adapted to transmit torque between a drive shaft and a flapper shaft, the clamp disposed on either side of one or the other end of the drive shaft can be.
  • a drive is provided with a shaft, wherein a Drehwinkelbe dictionaryr is connected to the shaft torque-locking, and wherein one or more counter-stops are provided on the drive, which are provided for cooperation with one or more stop lugs of the Drehwinkelbeskyr, so that the angle of rotation of the shaft of the drive is limited in one or both directions of rotation.
  • a drive is provided with a shaft, wherein for the torque-locking connection of the shaft with a Drehwinkelbegrenzer on the shaft, a spline and the Drehwinkelbegrenzer a splined hub are provided, in particular a mechanical coding is provided to the relative rotation between the shaft and the Drehwinkelbegrenzer set.
  • a drive with a shaft and a torque-lockable with the shaft clamping block including a splined hub on the shaft and a wedge profile are provided on the clamping block, wherein the relative rotation between the shaft and the clamping block according to the classification of Wedge hub and the wedge profile is freely selectable.
  • a clamping block for establishing a torque-locking connection between a shaft of a drive and a flap shaft provided, wherein on the clamping block, a mechanical interface is provided for transmitting a torque to an auxiliary device.
  • a drive with a shaft and a torque-locking fastened thereto clamping block is provided, wherein on a mechanical interface of the clamp see a position indicator is torque-locking connected to the clamping block.
  • a drive is provided with a shaft and a torque-locking clamp attached thereto, wherein at a mechanical interface of the terminal block an auxiliary device is torque-connected to the terminal block, wherein the auxiliary device is designed in particular as an additional switch, which preferably a position indicator for Display of the rotation of the shaft of the drive.
  • a clutch is configured to couple a drive spindle to a valve stem.
  • the clutch comprises at least 3 jaws with recesses adapted to the drive spindle and the valve spindle and a clamping device to clamp the at least 3 jaws and to cause a coupling between the drive spindle and the valve spindle due to the recesses of the at least 3 claws.
  • the clutch is configured to provide a gimbal that permits angular misalignment between the drive spindle and the valve stem.
  • a drive with drive electronics is provided, the drive electronics having a power-saving mode for effecting a current reduction in a stop position, the drive electronics being set up, the stop position being based on a current measurement on a motor of the drive and / or due to a measurement of the ripple of a motor current of a motor of the drive to detect.
  • a drive is provided with a drive electronics, wherein the drive electronics provides a temperature profile correction and a demand-controlled current limitation of a drive current of a motor of the drive.
  • a drive is provided with a drive electronics, wherein the drive electronics is arranged to lower the drive current of a motor of the drive after a time interval, in particular to zero, to then perform a restart strategy by the drive current is increased in particular stepwise.
  • a drive is provided with a drive electronics, wherein the drive electronics is set up to lower the drive current of a motor of the drive load-dependent.
  • a drive is provided with a drive electronics, wherein the drive electronics is set up to set the motor of the drive faster, the greater the difference between a desired value and an actual value.
  • a drive is provided with a drive electronics, wherein the drive electronics is set up to provide an inhibition torque increase, in particular by the short-circuiting of a Vierquadrantstellers.
  • a drive is provided with drive electronics, wherein the drive electronics is set up to provide an angle of rotation limitation, in particular a minimum angle of rotation and / or a maximum angle of rotation, wherein preferably an angle adaptation is provided for detecting stop positions, and wherein the drive electronics is preferably arranged to pass through intermediate positions faster than positions in the region of the stops.
  • a drive is provided with a drive electronics, wherein the drive electronics is arranged to provide a supply at a spring return of the drive.
  • a drive with drive electronics is provided, the drive electronics being set up for connection to an MP bus.
  • a drive is provided with a drive electronics, wherein the drive electronics is arranged to block a shutdown of the drive in the case of high ambient temperatures.
  • a drive is provided with a drive electronics, wherein the drive electronics has a switching regulator or a switched power supply to provide a supply for mains voltages available.
  • a drive is provided which has an MFT functionality to provide different types of control, in particular one or more of the following: a steady-state drive, a 2-point drive, a 3-point drive, and a PWM drive.
  • a drive is provided which has an MFT functionality in order to detect sensor signals from sensors via one or more interfaces.
  • a drive which has MFT functionality to prioritize the consideration of one or more of the following control functions: analog control signals, MP commands, forced controls, forced circuits, forced functions, and manual control actions.
  • a drive which has one or more of the following MFT functionalities: control of a position, regulation of a volume and regulation of a speed.
  • a drive which has the MFT functionality to brake the drive before a stop position is reached.
  • a drive which has the MFT functionality to restart the drive if an overload situation has taken place.
  • a drive is provided which is set up to determine a setting range by adaptation or by synchronization.
  • a drive comprising a programmable nominal setting range.
  • a drive comprising a Min value, a Max value and a Mid value to which the drive is adjustable.
  • a drive comprising a test run module for carrying out a test run, during which particular different positions are approached, in particular status inquiries being carried out.
  • a drive comprising a boost function for increasing a drive current limit during a limited time.
  • a drive comprising a braking ramp for continuously decelerating the speed as soon as the drive operates in a stop range or a difference between the setpoint and the actual value falls below a threshold.
  • a drive comprising a sealing function, wherein in particular in a stop region of the drive operates at a reduced speed.
  • a drive is provided, comprising master and slave functions, the drive, in cooperation with one or more further drives, generating a torque which is distributed uniformly among all the drives involved.
  • a drive is provided, comprising a spring drive and / or a SuperCap for carrying out a drive return in the event of a power failure.
  • a drive comprising a data memory for storing a current operating state, which can be read out via an MP bus (multipoint bus).
  • MP bus multipoint bus
  • a drive comprising a status display for indicating malfunctions, in particular fault and maintenance messages.
  • Fig. 1 shows schematically a protective housing
  • Fig. 2a-c schematically shows an arrangement with a drive wheel in the form of a hollow shaft
  • 3 schematically shows an arrangement with a drive and a flap shaft with a square profile
  • Fig. 4 shows schematically an arrangement with a clamping block
  • FIG. 5 shows schematically a further arrangement with a clamping block
  • Fig. 6 shows schematically a further arrangement with a clamping block
  • Fig. 7 shows schematically a further arrangement with a clamping block
  • FIG. 8 shows schematically a further arrangement with a clamping block
  • FIG. 9 shows schematically an arrangement with a drive, which has a drive housing;
  • Fig. 1 0 schematically an arrangement with a Drehwinkelbegrenzer;
  • Fig. 1 1 shows schematically an arrangement with a clamping block
  • Fig. 1 2 schematically an arrangement with a clamping block and an auxiliary device
  • FIG. 1 3 schematically an arrangement with a clamping block and a position indicator
  • FIG. 14 schematically shows a position indicator placed on an auxiliary device
  • FIG. Fig. 1 5 shows the circuit diagram of a switching regulator
  • Fig. 1 shows schematically the possible combinations of different MFT functionalities
  • Fig. 1 shows schematically the behavior of a drive with respect to a nominal setting range
  • Fig. 1 8 schematically in which cases takes place in a valve Stellstellüberschrei- tion
  • FIG. 19 schematically shows the readout of an adapted setting range and the setting of a min value and a max value
  • FIG. 20 schematically shows regions with a nominal velocity and a reduced velocity
  • FIG. 22 schematically shows the dependence of the drive voltage and the transit time
  • Fig. 23 schematically shows a VAV control circuit
  • Fig. 24a-c schematically components of a coupling between a valve stem and a drive spindle
  • Fig. 25a-c schematically shows the coupling of a valve spindle with a drive spindle
  • FIG. 26 schematically shows the runtime behavior of a drive
  • FIG. FIG. 27 schematically shows the relationship between a difference signal and a drive signal of a drive
  • Fig. 28 schematically shows a so-called rubber function
  • Fig. 29a-h schematically a coupling and the mounting of a coupling between a drive and a valve.
  • FIG. 1 shows schematically a protective housing 1 .1, in particular a protective housing 1 .1 for an electric drive of a valve for regulating the flow of fluids in HVAC systems (HVAC valve), for example a damper drive of an HVAC system.
  • the protective housing 1 .1 has a gas-permeable membrane 1 .2, which is arranged for example in a recess 1 .3 of the protective housing 1 .1.
  • a protective grid 1 .4 provided to cover the recess and to protect the gas-permeable membrane mounted therein from mechanical effects.
  • the protective grille 1 .4 can for example be screwed to the protective housing 1 .1.
  • the formation of condensation or the accumulation of moisture can be prevented inside the housing. This is based on two effects: Temperature fluctuations cause expansion or contraction of the air within the protective housing 1 .1. In a hermetically sealed protective housing 1 .1, a negative pressure could develop without the gas-permeable membrane 1 .2, which draws moisture into the housing interior, for example due to age-related or construction-related defects in the sealing system, eg a brittle sealing rubber. This can for example be the result of Temperature differences between the ambient air and the housing interior.
  • the gas-permeable membrane 1 .2 is a gas connection between the Gehot- men and the environment. As a result, the moisture content of the air in the protective housing and the ambient air equalize, whereby in the interior of the housing accumulation of moisture is avoided.
  • FIG. 2a-c shows schematically a load torque lock of a drive, in particular an electric drive of a valve for controlling the flow of fluids in HVAC systems (HVAC valve).
  • the load torque lock is designed as an automatically switching clutch, with which a torsional moment in a direction of force flow is transferable, but moments are blocked from the opposite direction. If the drive is stationary and a load at the output tries to guide a restoring torque in any direction of rotation through the drive train, the load torque lock blocks. Restoring forces are thus not forwarded and the set position is retained.
  • the arrangement according to Figure 2a-c has a motor-side drive wheel 2. 1 in the form of a hollow shaft on which an inwardly facing cam 2.1 1 is arranged.
  • a driven gear 2.4 is arranged, which is also referred to as a ratchet wheel.
  • the driven gear 2.4 has a groove.
  • a blocked form-locking pin 2.3 is arranged with an adjacent coil spring 2.2. Angled ends of the wrap spring 2.2 protrude into the groove of the driven wheel 2.4, wherein the cam 2.1 1 is located between the protruding ends of the wrap spring 2.2.
  • Figure 2a shows a perspective view of the wrap 2.2.
  • FIG. 2b shows a cross section through the arrangement with the drive wheel 2.1, the wrap spring 2.2, the interlocking pin 2.3 and the driven wheel 2.4.
  • Figure 2c shows a perspective view of the wrap 2.2, which is arranged on the form-locking pin 2.3.
  • the drive wheel 2.1 is provided for connection to a motor. If a torque acts on the drive wheel 2.1 from the engine, is solved by the cam 2.1 1 biased on the form-locking bolt 2.3 Schlingfelder 2.2 opposite to their winding direction on the angled end with little friction and can rotate freely. If a torque from the output gear 2.4 acts, the wrap is pressed in the winding direction over the bent end of the form-locking bolt 2.3 and blocked by frictional engagement. As a result of the both sides angled ends of the wrap spring 2.2, this works both from the drive and the output side in both directions of rotation.
  • a drive in particular an electric drive of a valve for regulating the flow of fluids in HVAC systems (HVAC valve), for example a damper drive of an HVAC system, comprises a gear stage with a characteristic adaptation.
  • HVAC valve for example a damper drive of an HVAC system
  • gear stage with a characteristic adaptation In contrast to normal gear stages with a fixed gear ratio gears are provided with specially shaped gears and / or gears, in particular to change the ratio with the rotation of the gears, which therefore change, for example, the transmitted torque, the angle of rotation and the rotational speed.
  • the damper drive can be optimally dimensioned to a specific application, for example to obtain an increased torque at the stop, in certain positions a reduced rotational speed or other desired properties.
  • FIG. 3 schematically shows an arrangement with a drive 3. 1, in particular an electric drive of a valve for regulating the flow of fluids in HVAC systems (HVAC valve), for example a flap drive of an HVAC system, and a flap shaft 3.2 with a square profile, which is inserted into a hollow shaft 3.3 of the drive 3.1.
  • HVAC valve for example a flap drive of an HVAC system
  • flap shaft 3.2 with a square profile, which is inserted into a hollow shaft 3.3 of the drive 3.1.
  • the flap shaft 3.2 is provided, for example, to change the position of a ventilation flap.
  • To create a positive connection between the valve shaft 3.2 and the hollow shaft 3.3 of the drive 3.1 form-locking inserts 3.4, 3.5 are provided.
  • the positive locking inserts 3.4, 3.5 have on the outside, for example, a splined shaft profile, which interacts with a splined hub of the hollow shaft 3.3 of the drive 3.1 positive fit.
  • the form-fitting inserts 3.4, 3.5 are hollow inside and have on the inside of profiles which are suitable for the positive cooperation with, for example, a flap shaft 3.2 are provided with a square cross-section or with a crescent-shaped cross-section.
  • the positive locking inserts 3.4, 3.5 are in particular designed such that a safe entrainment of the valve shaft 3.2 results and a centric attachment of the drive 3.1 is possible.
  • the drive 3.1 can be fastened firmly to the base, for example as shown schematically in FIG.
  • the drive 3. 1 is plugged directly onto a flap shaft 3.2, which projects, for example, out of a ventilation tube and is connected to a ventilation flap for regulating an air flow.
  • the drive is for example screwed directly onto the ventilation pipe.
  • the reaction torque which results in the operation of the drive 3.1 and the movement of the valve shaft 3.2 with an attached air damper, is absorbed by the screws 3.6, 3.7, wherein there is a rotation. If the rotation prevents longitudinal movement, ie if, for example, guide slots are provided on the drive housing and thus a Longitudinal movement is possible, then can the flap shaft 3.2 mounted in the hollow shaft 3.3 also eccentric.
  • FIG. 4 shows schematically an arrangement with a clamping block 4. 1, to a torque between a drive, in particular an electric drive of a valve for controlling the flow of fluids in HVAC systems (HVAC valve), such as a damper actuator of an HVAC system, and a To transfer flap shaft.
  • HVAC valve HVAC systems
  • the clamping block 4.1 has a clamping bracket 4.2 and a clamping element 4.3 in order to create a torque transmission for flap shafts with a wide variety of geometries.
  • the clamping block on a holder 4.4 in which the clamping bracket 4.2 and the clamping element 4.3 are used.
  • the holder 4.4 has, for example, a splined hub, which is provided for the torque-locking connection with a spline of the drive, wherein a torque transmission between the holder 4.4 and the drive is created.
  • locking means such as nuts in particular 4.5, 4.6 are provided to see between the clamping bracket 4.2 and the clamping element 4.3 to create a clamping force, so that the clamping bracket 4.2 and the clamping element is clamped to the valve shaft.
  • FIG. 5 shows schematically a further arrangement with a clamping block 5.1 to a torque between a drive, in particular an electric drive of a valve to control the flow of fluids in HVAC systems (HVAC valve), such as a damper actuator of an HVAC system, and a damper shaft.
  • HVAC valve HVAC systems
  • the clamping block 5.2 has a clamping bracket 5.2 and a clamping element 5.3.
  • the clamping bracket 5.2 and the clamping element 5.3 are arranged in a holder 5.4 and are tightened by locking means such as in particular nuts 5.5, 5.6, to create a non-positive torque transmission to a flap shaft 5.7.
  • the clamping block 5.1 is also connected in a torque-locking manner to a drive whose drive housing 5.8 is shown in detail in FIG.
  • the clamping block 5.1 allows a frictional torque transmission to flap shafts 5.7 different geometries, such as to flap shafts with a cross-section of round, square, hexagonal, octagonal, etc. is. Accordingly, the clamping bracket 5.2 and the clamping element 5.3 are formed such that a non-positive torque transmission can be made to round flap shafts with a variety of diameters and square, hexagonal, octagonal, etc. flap shafts of different key widths.
  • FIG. 6 shows schematically a further arrangement with a clamping block 6.1 to a torque between a drive, in particular an electric drive of a valve for controlling the flow of fluids in HVAC systems (HVAC valve), such as a damper actuator of an HVAC system, and a flap shaft transferred to.
  • the clamping block 6.1 has a clamping element 6.3, which as described with nuts 6.5, 6.6 and a clamping bracket cooperates to produce a non-positive torque transmission to a valve shaft.
  • the clamping element 6.3 has, for example, as shown in Figure 6 schematically a staircase-shaped profile to center flap shafts of different diameters and clamp in cooperation with the clamping bracket.
  • the clamping element 6.3 is, for example, by sintering as Sintered insert produced. By sintering, low-cost materials can be produced, resulting in hard materials and sharp and accurate contours are malleable.
  • FIG. 7 shows schematically a further arrangement with a clamping block 7.1 to a torque between a drive, in particular an electric drive of a valve for controlling the flow of fluids in HVAC systems (HVAC valve), such as a damper actuator of an HVAC system, and a flap shaft transferred to.
  • HVAC valve HVAC valve
  • the clamping block 7.1 cooperates with a round flap shaft 7.7 and a drive, with nuts 7.5, 7.6 are provided to secure the clamping block 7.1 torque on the valve shaft 7.7.
  • the clamping block 7.1 is attached on one side to the drive, which, as shown schematically in FIG. 7, comprises a drive housing 7.8.
  • the clamping block 7.1 is located on the side of the drive housing 7.8, which faces away from the mounting side of the drive, wherein the mounting side of the drive is that side which faces the flap shaft 7.7 and the ventilation flap attached thereto, that is to say in particular facing the ventilation tube, in which the ventilation flap is located.
  • this type of installation of the terminal block 7. 1 allows optimization of space requirements, the entrainment of additional, driven by the clamping block 7.1 components or a supplement to an existing combination of drive and damper shaft with the clamping block 7.1.
  • FIG. 8 shows schematically a further arrangement with a clamping block 8.1 to a torque between a drive, in particular an electric drive of a valve for controlling the flow of fluids in HVAC systems (HVAC valve), such as a damper actuator of an HVAC system, and a flap shaft transferred to.
  • HVAC valve HVAC valve
  • the Terminal block 8.1 cooperates with a round flap shaft 8.7 and a drive which, as shown schematically in Figure 8 has a drive housing 8.8.
  • the clamping block is arranged on the mounting side of the drive housing 8.8.
  • a bolt 8.9 for example, is provided on the drive housing 8.8, which is intended to be inserted into an opening of a mounting surface provided for the drive in order to form an anti-twist device.
  • FIG. 9 schematically shows an arrangement with a drive, in particular an electric drive of a valve for regulating the flow of fluids in HVAC systems (HVAC valve), for example a damper drive of an HVAC system which has a drive housing 9.8.
  • HVAC valve for example a damper drive of an HVAC system which has a drive housing 9.8.
  • the drive is plugged onto a flap shaft 9.7, wherein via a hollow shaft of the drive torque as described above is transmitted to the flap shaft 9.7.
  • a Drehwinkelbeskyr 9.1 0 is mounted, which is attached, for example, on a hollow shaft of the drive, wherein the hollow shaft has a spline, which engages in a corresponding splined hub of the Drehwinkelbeskyrs 9.1 0, whereby a torque transmitted from the drive to the Drehwinkelbegrenzer 9. 1 0 becomes.
  • the rotation angle limiter 9.1 0 are as in
  • Figure 9 illustrated stop lugs 9.1 1, 9. 1 2 formed.
  • the stop lug with the reference numeral 9.1 1 is provided for cooperation with the counter-stop with the reference numeral 9.1 3, wherein upon rotation of the drive resp. of the rotation angle limiter 9.1 0 counterclockwise at a certain angle of rotation, the stop lug abuts on the counter-stop and a further rotation is limited counterclockwise. Clockwise, the angle of rotation is limited in an analogous manner by the stop lug with the reference numeral 9.1 2 and the counter-stop with the reference numeral 9. 14.
  • the counterstops 9.1 3, 9.14 can be moved independently of each other in the corresponding circular arc-shaped grooves, so that the rotation angle limits can be adjusted clockwise and counterclockwise to different angles of rotation.
  • Figure 1 0 shows schematically an arrangement with a Drehwinkelbegrenzer 1 0.1 0, which on a hollow shaft of a drive, in particular an electric drive of a valve for controlling the flow of fluids in HVAC systems (HVAC valve), such as a damper actuator of an HVAC system, with a drive housing 1 0.8 is placed.
  • HVAC valve HVAC valve
  • the hollow shaft has on the outside of a spline, in which a splined hub of the rotation angle limiter 1 0.1 0 is used to a torque-locking connection between the hollow shaft resp. the drive and the Drehwinkelbegrenzer 1 0.1 0 to create.
  • the rotation angle limiter 1 0.1 0 stop lugs 1 0.1 1, 1 0.1 2, which are provided for the interaction with the counter-attacks 1 0.1 3, 1 0.14.
  • the Drehwinkelbegrenzer 1 0. 1 0 and the hollow shaft of the drive have corresponding mechanical codings 1 0. 1 5, through which the mutual relative orientation of the Drehwinkelbegrenzers 1 0.1 0 is defined relative to the hollow shaft.
  • 1 1 shows schematically an arrangement with a clamping block 1 1 .1 to a torque between a drive, in particular an electric drive of a valve for controlling the flow of fluids in HVAC systems (HVAC valve), such as a damper actuator of an HVAC system, and a flap shaft to transmit.
  • HVAC valve HVAC valve for controlling the flow of fluids in HVAC systems
  • the clamping block 1 1 .1 is attached to a flap axis 1 1 .7 as described above.
  • the clamping block 1 1 .1 has a profile body 1 1 .1 6 with a spline or with this profile body 1 1. 1 6 connected via a splined hub.
  • the profile body 1 1 .1 6 is adapted to be inserted into a splined hub of a hollow shaft of the drive with the drive housing 1 1 .8.
  • the drive housing 1 1 .8 housing surfaces and housing heights, which must be arranged for reasons of the drive design reasons at a certain distance from the axis of the hollow shaft or the flap axis 1 1 .7.
  • housing surfaces or housing heels can interfere with the installation of the terminal block 1 1 .1, in particular they can hinder the tightening of nuts of the terminal block 1 1 .1 or when turning the valve axis 1 1 .7, the clamping block 1 1 .1 to such housing surfaces or housing heels nudge.
  • the axial rotation between the clamping block 1 1 .1 and a hollow shaft of the drive with the drive housing 1 1 .8 is therefore freely selectable as shown in Figure 1 1.
  • the clamping block 1 1 .1 is used for short flap axes 1 1 .7 of the back of the drive housing 1 1 .8. 1 2 schematically shows an arrangement with a clamping block 1 2.
  • the clamping block 1 2.1 is used as described above in a hollow shaft of a drive with the drive housing 1 2.8.
  • a me- chanical interface 1 2.1 7 provided to transmit a torque to an auxiliary device 1 2.1 8.
  • the torque is used to perform certain functions, such as the operation of an auxiliary contact switch or the drive of a potentiometer to measure and detect the angular position of the drive.
  • FIG. 1 3 schematically shows an arrangement with a clamping block 1 3. 1 in order to control a torque between a drive, in particular an electric drive of a valve for regulating the flow of fluids in HVAC systems (HVAC valve), for example a damper drive of an HVAC system. and a flap shaft to transmit.
  • HVAC valve HVAC valve
  • the clamping block 1 3.1 is used as described above in a hollow shaft of a drive with the drive housing 1 3.8 shown schematically.
  • the clamping block 1 3. 1 has a mechanical interface 1 3.1 7, to which a position indicator 1 3. 1 9 is fastened.
  • the position indicator 1 3.1 9 is provided for attachment to any other base element instead of the clamping block 1 3.1.
  • the position indicator 1 3.1 9 is rotatably mounted, so that the pointer 1 3.20 can be brought into any rotational position.
  • the pointer 1 3.20 has in particular fluorescent properties to improve the visibility of the position indicator 1 3.1 9.
  • FIG 14 shows schematically a position indicator 14. 1 9, which is placed on an auxiliary device 14.1 8.
  • the auxiliary device 1 4.1 8 is provided in particular as described to produce a mechanical interface 14.1 7 a torque-locking connection with a clamping block, wherein the clamping block is provided to a torque between a drive, in particular an electric drive of a valve for controlling the flow of To transfer fluids in HVAC systems (HVAC valve), such as a damper actuator of an HVAC system, and a flap shaft.
  • HVAC valve To transfer fluids in HVAC systems
  • the patch on the auxiliary position indicator 14.1 9 a pointer 14.20, which indicates the rotational position of the position indicator 14.1 9.
  • the auxiliary device 1 4.1 8 is for example an additional switch, the position indicator 14.1 9 is snapped in a hollow shaft of the auxiliary switch.
  • the position indicator 14.1 9 can be rotated in particular as desired.
  • Figure 24a shows schematically 3 claws 24a.1, which have an internal geometry corresponding to the shape of the valve and drive spindle.
  • FIG. 24b shows a clamping strap 24b.1, for example made of plastic, which responds to the contraction or release of the 3 jaws 24a.1 to the valve resp. Drive spindle is set up.
  • the clamping ring additionally has 4 hooks, which are provided for locking the clamping strap to the coupling lock 24c.1 shown schematically in Figure 24c.
  • the coupling lock 24c.1 according to FIG.
  • FIGS. 24a-c and 25a-c are dimensioned, for example, for tensile and / or compressive forces of up to 10 kN, whereby a cardanic suspension is provided which permits an angular offset between the valve and the drive spindle.
  • the axial coupling according to Figures 24a-c and 25a-c is adapted for coupling a valve with a linear drive, wherein the drive and valve spindle with a defined annular groove are provided and the clutch claws, a clamp and a coupling lock has.
  • the coupling for penetrating the drive and valve spindle has at least 3 metallic claws displaceable in the radial direction.
  • the coupling includes a flexible clamping strap, which is preferably made of plastic, which includes the jaws, and is held in the production mounted state by retaining claws in the radial direction of the coupling lock.
  • the plastic clamping strap for the radial engagement of the jaws in the grooves of the drive and valve spindle in the manner of clamping is locked.
  • the coupling lock is axially displaceable on the clamping strap and the coupling lock has an inner cylindrical diameter which corresponds to the outer cylindrical diameter of the (at least) 3 claws, the coupling lock enclosing the claws during axial displacement and thus fixes the coupling in the radial direction.
  • the clamping strap has at least two retaining claws, which engage in the displacement of the coupling lock in this, the coupling is thus held together with the retaining claws in the radial direction and in the axial direction.
  • the claws in the closed coupling state, the claws enclosing the groove or annular groove of the drive spindle due to a conical surface and the claws surrounds the groove or annular groove of the valve spindle with a short contact surface, see between drive and valve spindle a gap, wherein an angular offset zwi ⁇ rule drive and valve spindle, without axial clearance between the drive and valve spindle, is possible.
  • the coupling lock on a transverse extension the end of which ends in a semicircle and engages in the drive console and serves as a position indicator.
  • an assembly aid is provided in the form of a plastic ring and centrally arranged cylinder of the Claws in an open state holds so that the clutch during production, in the field or during transport can be easily pushed through the drive spindle.
  • a linkage makes it easy to connect a drive to a valve.
  • the following connection principles are available: Torque transfer via cams or another positive connection between the drive and the valve, where axial securing is provided by means of a central screw or a quick coupling such as a snap ring, form fit, etc .; Torque transmission by adhesion in which by means of screws pressing on the valve neck takes place and so a non-positive torque transmission is created. If the same drive with different interfaces, which are for example referred to as F04 / 05/06, etc., to be coupled, then in a variant of a universally usable insert plate is used with which a coupling is made possible on different interfaces.
  • the drive / linkage interface is standardized and various linkages, that is to say in particular positive connection and traction linkage, can be coupled to the same drive.
  • the linkage is part of the drive floor, which no separate linkage is required.
  • a linkage comprises a hand lever, which is used to adjust the valve in the de-energized state.
  • the hand lever has the function of a tool such as a hexagon or a Imbus- factory tool.
  • the hand lever is clipped or looped on a cable of the drive, in particular in the sense of a captive.
  • a rotary ring is provided for the rotation angle flow restriction.
  • a cover can be mounted on the linkage, which aid in particular in setting the flow.
  • a driver is configured such that a wrong mounting on the valve is prevented.
  • the device for preventing a false assembly is removable.
  • the clearance between the valve and the drive is optimized and guarantees optimal functioning of the drive and the valve.
  • a drive of an HVAC system in particular an electric drive for adjusting a valve for controlling the flow of fluids in HVAC systems (HVAC valve), for example for setting a ventilation flap
  • HVAC valve for example for setting a ventilation flap
  • a drive electronics which in the usual way, for example a circuit board is soldered and includes electronic components, with which one or more of the drive functions described below are provided.
  • the drive electronics have, for example, a programmable microprocessor which is set up to provide drive functions which are specified in accordance with software programs that can be run on the microprocessor.
  • the drive electronics of the drive is for example a power saving mode Ver ⁇ addition, to cause a current reduction at the stop, so that unnecessary energy is not consumed, and the components are protected.
  • To detect the stop were ⁇ tet the drive ⁇ electronics, for example, a current measurement of the drive motor. As soon as a stop position is reached, the current supplied to the drive motor increases. In one embodiment, the ripple of the drive motor ⁇ supplied current is determined. The ripple is due to commutation and missing as soon as the stop is reached. In another embodiment, the current measurement is combined with the determination of the ripple.
  • Ante is provided by means of an NTC resistor (NTC: Negative Temperature Coefficient) a temperature profile correction and a demand-based current limit.
  • NTC resistor Negative Temperature Coefficient
  • the drive electronics are set up to lower the drive current after a time interval.
  • the drive electronics is configured to lower the drive current to zero and thereafter perform a restart strategy by stepping the drive current, for example, to conserve the drive motor or associated drive components.
  • the reduction of the drive current is load-dependent. Depending still flap position are different torques required for the movement of the flap, for example, due to gravity.
  • the drive electronics of the drive for example, a control signal control available.
  • the inputs for a triac Triode for Alternating Current
  • the drive electronics are designed, for example, with or without ASIC (Application Specific Integrated Circuit).
  • the drive electronics comprise a V control (V: speed), wherein the drive is moved faster the greater the difference between a desired value and an actual value.
  • the drive electronics comprise a converter for currents of, for example, 4...
  • the drive electronics of the drive provides, for example, an inhibition torque increase.
  • the drive electronics is set up to brake the drive motor by short circuit, for example by shorting a Vierquadrantstellers such as an H-bridge.
  • the drive comprises a drive motor with a high cogging torque for the escapement or a high holding torque at standstill.
  • a Rastmomentblech is provided to provide a high cogging torque in the drive motor, as described for example in WO 201 1/047488.
  • the drive electronics of the drive provide, for example, an electronic rotation angle limitation, in order not to drive into mechanical stops and not unnecessarily burden the drive or unnecessarily reduce its service life.
  • the drive electronics are set up to set a minimum or a maximum angle.
  • the drive electronics is adapted for angular adaptation, which is, for example, capable of learning and recognizing at which positions there are stops, for example, traversing intermediate positions faster than the positions in the area of the stops, so as to limit the mechanical stress.
  • the drive electronics of the drive for example, an internal supply available, which is activated in a drive with return spring in the case of a spring return.
  • the maximum internal supply voltage is limited by Z-diodes or a Transzorb.
  • the drive is designed as a spring return drive, which provides an asymmetrical torque distribution in the two drive directions available. In particular, the torque provided by the motor for mounting or opening is greater than the torque provided by the spring return.
  • Tight closing flaps such as in a cold gas or lip seal, for example, require a higher torque for opening due to the energy required for folding the seal than for closing.
  • the nominal torque is increased by approximately a factor of 3, for example, with an optimized linkage when closing, while the rated torque is reduced, for example, by a factor of approximately 0.8 when opening.
  • an additional torque in the closing direction takes place due to aerodynamic forces in the flow-through channel and gravity. This also applies to multi-leaf flaps in attenuated form, with no additional torque due to gravity.
  • the drive electronics of the drive has, for example, devices for increasing the robustness of application.
  • the drive electronics is set up to perform a setpoint measurement, for example, at a Y input (control signal input) at the zero crossing, wherein long lines are compensated and the line resistance is hidden.
  • a large current reference that is to say a single drive with a high power or with several drives connected to the same supply, also causes a voltage drop on the neutral conductor, ie Gnd. This voltage drop would affect the measurement of the desired signal.
  • the phase position of the supply can be detected and the actuating signal, ie an applied DC Signal in the range of, for example, 0 ... 10V, measured only during the zero crossing of the supply.
  • the current is also zero and thus does not influence the measurement of the actuating signal.
  • the drive electronics are provided, for example, for connection to an MP bus (multi-point), wherein the MP terminal of the drive electronics is set up to effect a disconnection in the event of a false connection.
  • the drive electronics for example, malfunction-safe inputs and outputs.
  • the drive electronics is set up to block a temperature shutdown in the event of high ambient temperatures such as a fire and thus to ensure the functionality of the drive, for example in a dangerous situation such as a fire.
  • the drive electronics of the drive has, for example, devices in order to ensure a uni-verse supply, for example in the range of 24V ... 240V.
  • the drive electronics instead of different transformers, such as transformers that cover the range of mains voltages from 100V ... 240V, the drive electronics have switching regulators or switched power supplies which cover mains voltages in the range of eg 85V .... 265V. This results in a cost-effective coverage of a wide range of mains voltages.
  • a switching regulator 1 5.1 in one embodiment, a charge-based on an active Graetz circuit charge pump with a Schmitt trigger.
  • the switching regulator has a charge pump based on an active Graetz circuit with a clock from a microprocessor, wherein no Schmitt trigger is to be provided.
  • a capacitor feed allows a inexpensive solution.
  • the capacitor feed may be in the case of an AC supply, for example at 50Hz or 60Hz, and is mostly limited to low power application.
  • a capacitor operated with an AC voltage develops a low-loss forward resistance or reactance in accordance with the capacitance value and the frequency. As a result, a much lower supply voltage can be generated from a high mains voltage of, for example, 230 VAC by means of this series resistor, for example 24 VAC.
  • a DC supply voltage of, for example, 24VDC which can be used for drives, etc.
  • the supply has a special switching regulator with integrated maximum current limit, whereby the torque is limited and thus the mechanics is protected.
  • the generation of a 24VDC supply voltage takes place via the conversion of an unsmoothed AC mains voltage.
  • a drive in particular an electric drive of a valve for regulating the flow of fluids in HVAC systems (HVAC valve), for example a damper drive of an HVAC system, has an MFT functionality (MFT: Multi Functional Technology).
  • a drive with an MFT functionality can be set up to provide several different types of control, which can be determined when using the drive.
  • a type of control relates, for example, to constant control with a continuous control signal, the position of the drive being set in proportion to a control signal at the Y input of the drive, ie a control signal input.
  • This very often used control is also called SR / SRS control.
  • the drive signal can, for example, a value of 0V ... 1 0V, 0.5V ... 10V, 2V ... 1 0V or from a have another range, wherein the drive position is set according to a value of 0 ° ... 360 °, from 0 ° ... 180 ° or in another range.
  • Another type of control relates, for example, to a 3-point control, whereby, for example, a 3-point switch can be switched between 3 positions.
  • This control is also referred to as 3-point control.
  • On one of the positions a maximum position of the drive is approached, on a further position, the drive is brought to a standstill and in yet another position, a minimum position of the drive is approached.
  • Another type of control relates, for example, to a 2-point control, wherein, for example, a 2-point switch can be switched between 2 positions.
  • the drive is opened in one of the positions and brought to the OPEN position. In the other position, the drive is closed and brought to the TO position.
  • PWM Pulse Width Modulation
  • the drive position is set according to a PWM signal.
  • PWM control is also referred to as PWM control.
  • the PWM signal may range from 0.59s ... 2.93s or any other range.
  • HVAC valve for example a damper drive of an HVAC system
  • the drive has interfaces for the connection of sensors such as sensors for humidity, temperature as well as monitors and switches.
  • the corresponding sensor signals are detected by the drive and converted into a bus-capable signal, for example into a signal according to the MP standard.
  • bus-capable, expensive sensors can be avoided.
  • HVAC valve for controlling the flow of fluids in HVAC systems
  • HVAC valve for example a flap drive of an HVAC system
  • Input or control signal input are applied, from P commands, which are transmitted on an MP bus, of forced controls, of forced circuits, of compulsory functions, of manual control operations and of other functionalities.
  • a forced control the applied control signal is overridden by a positive control.
  • forced signals such as GND (ground), 24VAC signal, positive or negative half wave are used, which are detected at the Y input ie at the control signal input as a forced circuit.
  • compulsory circuits or forced signals can be assigned different compulsory functions, such as a forced function "fast opening", a compulsory function "quick closing” or another compulsory function.
  • priorities By assigning priorities, a meaningful function of the drive is guaranteed.
  • analog forced signals may be assigned higher priorities than MP functions, so that when the drive is controlled locally via MP commands, a functional test can be performed by means of analog forced signals.
  • the priorities can also be allocated so that a through MP commands triggered forcing function such as the "quick opening” or "rapid closure” has a higher priority than analog force signals so that, for example, in case of fire by the Central a useful ⁇ full Drive position is specified, which can not be changed on site, for example, in a functional test.
  • HVAC valve for regulating the flow of fluids in HVAC systems
  • a damper actuator of an HVAC system relates to the types of control.
  • the drive can be prepared to allow the control of a position, the regulation of a volume or the regulation of a speed.
  • Flap position regulated e.g. an input signal of 50% controls the valve proportionally to 50%.
  • volume flow control When controlling the volume (water / air) flow, the damper is opened or closed until the deviation between setpoint and actual value falls below a threshold.
  • the control signal is generated by a device.
  • the difference between the setpoint and the actual value is used to control the speed or the running time. In the case of cruise control as well, a volume flow is ultimately regulated.
  • speed control is a historical one: special control devices provide output signals which are used as drive signals for the drives, in the volume control range these output signals are between 2 ... 1 0 V. The center in the range 2 ... 1 0V is 6V As soon as the setpoint agrees with the actual value, the drive is controlled with 6V and stands still The following points describe the behavior: 1. If the deviation between the setpoint and the actual value is more than 1% and is positive, then travel the drive with maximum speed OPEN 2.
  • the drive will run CLOSED at maximum speed 3.
  • the smaller the deviation between the setpoint and the actual value, the more the speed is shorter or the greater is the running time with which the drive moves to OPEN or CLOSE 4. If the setpoint and the actual value are off are regulated, ie does not exceed a threshold, then the speed 0 resp. the runtime is infinite and the drive stops.
  • FIG. 26 schematically shows the transit time behavior as a function of a control voltage U6 or W1 of a drive.
  • Figure 27 shows schematically the relationship between the percentage difference signal and the drive signal of a drive.
  • the different types of control can be configured in software in one embodiment, for example with a so-called PC tool.
  • Figure 1 6 shows schematically in a block diagram 1 6.1 for various combination options of the functions described. The embodiment shown in Figure 1 6 with the closed contacts corresponds to a position control. If, for example, the Y input signal is an SR / SRS drive signal, this always results in a min. / Max. Setting independent of the control mode. If for some reason the Input Filter 2 is required, only the volume or speed control is possible. The control signal resulting from the respective control mode is fed to the motor of the drive.
  • control mode volume is only possible with an SR / SRS control signal, for other control signals this control mode is blocked.
  • input filter 1 At the output of the control mode position is the input filter 1, which can be changed with MP commands.
  • Input Filter 2 At the output of the control modes Volume and Speed is the Input Filter 2, which can not be changed.
  • HVAC valve for example a damper drive of an HVAC system
  • HVAC valve a valve for regulating the flow of fluids in HVAC systems
  • HVAC valve for example a damper drive of an HVAC system
  • FIG. 28 shows schematically a so-called rubber function, which can also be referred to as a shut-off function.
  • the rubber function essentially corresponds to a limitation of the work area. While the limitation of the working range results in the filtering of electrical noise, the rubber function serves to overcome a possible resistance of a seal, in particular a rubber seal, of a flap.
  • the rubber function is constantly active, so that at setpoint values of, for example, ⁇ 1%, ie, ZU, or> 99%, ie, UP, the actual value never reaches this setpoint.
  • the drive can, for example, generate an MP message and place it on the MP bus, which can be evaluated by a control center.
  • the torque of the drive can be maintained for a certain time before it is lowered. After lowering the torque can be tried at intervals again and again, whether normal operation has become possible again. The intervals can be chosen smaller first and later bigger and bigger.
  • the adjustment range of a drive in particular an electric drive of a valve for regulating the flow of fluids in HVAC systems (HVAC valve), for example a flap drive of an HVAC system
  • HVAC valve for example a flap drive of an HVAC system
  • both mechanical stops are approached without interruption.
  • the driven area is taken over as the setting area and the running time and the setpoint range are automatically adapted to it.
  • synchronization a distinction is made between normal synchronization and concealed synchro- tion.
  • the preferred mechanical stop ie, for example, either 0% or 100%, is approached.
  • the start of the position measurement is taken over at this point, without changing the setting range.
  • the hidden synchronization relates to the case in which the drive during a Stromunter-
  • the drive may be configured to perform a test run, with the drive initially set to a minimum position, i. in the MIN position or 0% position, moves and then in the maximum position, i. in the MAX position or 1 00% position, moves.
  • the functions adaption, synchronization or test run can be performed by means of an MP command
  • an LED display is provided on the drive to display these functions. It can also be provided a status byte, which can be queried for example via an MP command MP_Get_State.
  • a nominal setting range can be programmed.
  • the nominal setting range does not apply due to an adaptation by approaching the mechanical limit stops, but instead it defines a parameterized angle (for rotary drives) or a parameterized stroke (for linear drives).
  • the nominal setting range is within a preset, set value Run through the runtime. In order to activate the nominal setting range for a drive, it is sufficient to perform a synchronization, ie to approach the preferred mechanical stop. If a nominal setting range is programmed, the drive behaves as shown schematically in FIG.
  • the mechanically adapted setting range 1 7.2 can be set between the positions "CLOSE” and "OPEN".
  • the position "CLOSED" of the mechanically adapted setting range 1 7.2 coincides with the position "CLOSED" of the nominal setting range 1 7.1, the nominal setting range 1 7.1 being smaller than the mechanically adapted setting range 1 7.2.
  • a drive in particular an electric drive of a valve for regulating the flow of fluids in HVAC systems (HVAC valve), for example a flap drive of an HVAC system, an axstell range can be programmed instead of a nominal setting range.
  • the mechanically adapted setting range 1 7.2 is constantly compared with the maximum range. If the mechanically adapted setting range 1 7.2 is greater than the maximum setting range, the message "increase setting range" is triggered, for example For a valve without a mechanical opening stop, the drive travels to the internal stop during adaptation.To account for this, a maximum range is programmed Valve overshoot takes place.
  • a minimum, a mid and a maximum value can be set.
  • the effectiveness of the control signals is limited to the range between Min value (0%) and Max value (100%).
  • the mid value serves as an additional position for certain applications.
  • a plug-in drive ie a drive of the example on a
  • the adjustment range refers to the adapted adjustment range.
  • VAV variable volume flow
  • the value 100% corresponds, for example, to the nominal volume flow V nom .
  • the priority of the min value is greater than the priority of the max value. If the Min value is parameterized greater than the Max value, the drive always moves to the Min value with a setpoint value in the case of the Ano-io controller.
  • the min, mid and max values can be read and written via MP commands. As schematically illustrated in FIG.
  • an adapted setting range is read out with the MP command MP_Get_Relative and a Y signal (input signal), which is set between values 0% and 100%, is set to a minimum value (MP_Set_Relative) with the MP command ( 0%) and one
  • a drive in particular an electric drive of a valve for controlling the flow of fluids in HVAC systems (HVAC valve), for example, a damper actuator of an HVAC system, for VAV applications, the min-value setting and the Max-value setting for air flow limitation ,
  • HVAC valve for example, a damper actuator of an HVAC system
  • the min-value setting and the Max-value setting for air flow limitation In manual mode, i. without
  • a higher-level controller is connected to the drive can be approached by a forced control in addition to the min value and the max value, for example, in addition an intermediate position with a mid-value.
  • a forced control in addition to the min value and the max value, for example, in addition an intermediate position with a mid-value.
  • the end positions of a damper can be set via the min-value setting and the max-value setting such that e.g. always a minimum volume flow
  • a constant volume can be set with Vmin.
  • a test run can be performed, the drive, for example, first the Min position (0%) starts and then the maximum position (1 00%) anastronom. After that, the drive continues, for example, according to a control signal or moves to the mid position.
  • different values can be queried and checked. For example, with an MP command MP_Get_Relative the adapted setting range can be queried or the actual value can be displayed. Via a feedback signal, which is assigned in drives, for example, the marking U5, for example, the current actual position can be read.
  • the MP command MP_Get_State can be used, for example, to read whether synchronization is active for the drive, whether the adaptation is active, whether the test run is active, whether the motor is at the adapted stop, if the piggyback is active, or if hidden synchronization is active is whether the engine stop is active, etc. In particular, it can be read whether the max position is reached.
  • a so-called boost function may be provided. So that the drive has sufficient starting torque, a current limit is increased for a limited time and then lowered back to the nominal value.
  • the boost function is activated especially when starting a drive.
  • an electric drive of a valve for controlling the flow of fluids in HVAC systems for example, a damper actuator of an HVAC system, it may be provided to approach the mechanical end stops at a reduced speed , In FIG.
  • the regions which are traversed at nominal speed or at a reduced speed are shown.
  • the stop on the mechanical end stops thus takes place with reduced energy, which in particular the transmission of the drive is spared.
  • the reduced speed is also set shortly before reaching a setpoint value, in particular as soon as the difference between the setpoint value and the actual value is smaller than the set brake band. By reducing the speed before reaching the setpoint, the setpoint can be approached in particular more precise.
  • the nominal speed is 940 rpm
  • the reduced speed is 470 rpm, ie half the nominal speed.
  • the speeds may have any other values or ratios.
  • the set brake band is stored in a memory of the drive and can be configured as desired.
  • a braking ramp is provided, which is particularly advantageous in high-speed drives, especially in electrical drives of valves for the regulation of the flow of fluids in HVAC systems (HVAC valve), such as damper actuators of an HVAC system.
  • HVAC valve HVAC valve
  • a reduced speed is not set until reaching a set brake band.
  • the ramp speed is set according to an algorithm as a function of the difference between a setpoint and an actual value. For example, the speed can be proportional to the difference between the setpoint and be reduced to the actual value. For example, the speed is reduced the closer the end stop is reached. In the case of a rubber seal at an end stop position, the reduction of the speed can be canceled as soon as the area of the rubber seals of the end stop is reached. This ensures in particular a sufficient sealing effect of the rubber seal.
  • a drive in particular an electric drive of a valve for controlling the flow of fluids in HVAC systems (HVAC valve), for example a damper drive of an HVAC system
  • HVAC valve for example a damper drive of an HVAC system
  • the sealing closure which activates, for example, via an MP command can be.
  • CLOSED CLOSED
  • OPEN OPEN
  • the drive travels 1% resp. After reaching the setpoint value. 99% with a greatly reduced braking speed to the respective end stop on.
  • the area in which the sealing closure is to take place that is to say the range of 1% in the example mentioned, is stored, for example, in a memory of the drive and can be correspondingly configured.
  • a drive in particular an electric drive of a valve for controlling the flow of fluids in HVAC systems (HVAC valve), for example a flap drive of an HVAC system, has the option of operating in a master / slave mode.
  • HVAC valve for example a flap drive of an HVAC system
  • Several such drives are mounted mechanically coupled, wherein the torque applied to a flap shaft is generated by the drives evenly.
  • a master and the slaves connected thereto are specially connected, wherein the master receives a control signal at one input and a corresponding one at an output to the slaves Control signal transmits, in such a way that the torque generated by the arrangement with the master and the slaves is evenly distributed to the master and the slaves.
  • a drive in particular an electric drive of a valve for controlling the flow of fluids in HVAC systems (HVAC valve), for example, a damper actuator of an HVAC system, in particular a plug-in drive, is referred to as a V-drive, if this has programmed a speed control and with a volume flow controller is used.
  • the V-drive is designed for control with a control signal of 6 ⁇ 4V, ie for the range 2V ... 1 0V, whereby the V-drive stands still at 6V.
  • the speed control is possible via any control signals, eg via MP commands, via an SR control as described above, via a PWM control, etc.
  • the basic setting for a V drive is, for example, that 0% and 2V and 1 00% and 1 0V correspond.
  • the drive rotates counterclockwise at maximum speed (Max_Speed).
  • Max_Speed maximum speed
  • the drive stops.
  • FIG. 22 shows the dependence between the drive voltage and the transit time or between the drive voltage and the engine speed, respectively. the speed. From FIG. 22, for example, it can be seen from FIG. 5 that if the drive voltage is in the range of 5V ... 7V, then the running time is above 320 s or the motor speed below 280 rpm.
  • a drive in particular an electric drive of a valve for regulating the flow of fluids in HVAC systems (HVAC valve), for example, a damper drive of an HVAC system, a spring drive for a Fel o der Weglauf in the event of a power failure.
  • HVAC valve for example, a damper drive of an HVAC system
  • a spring drive for a Fel o der Weglauf in the event of a power failure.
  • the drive has a hand crank mechanism with which the drive can be held in one position.
  • a special algorithm or a sensor is provided, for example, the difference of a Potentiometerposi- tion and an internal incremental encoder is determined. If the deviation is, for example, greater than 5 °, then it is concluded that a manual intervention takes place and a corresponding function call is made.
  • the drive has in one embodiment, a feedback potentiometer, which is used to control the return speed. Without feedback potentiometer, a value is regulated to any value, ie the drive moves quickly or slowly.
  • a drive in particular an electric drive of a valve for regulating the flow of fluids in HVAC systems (HVAC valve), for example a damper drive of an HVAC system, comprises a so-called SuperCap.
  • a SuperCap is an electrical energy store, with charge and discharge controlled by a microprocessor, for example.
  • the drive has an LED that signals the end-of-life of the SuperCap after a functional test of the SuperCap or after an aging period.
  • a double-layer capacitor can be used.
  • the supply of the drive fails, there is sufficient energy in the SuperCap to reach a desired position at a definable speed, ie, for example, a value of 0% to 1 00%. This can be done with an adjustable delay so that there is no change in position in case of a short power interruption.
  • the drive for example with a delay of, for example, 3 s to wait for a stable power supply, moves into the position according to the current control signal.
  • the positions of the drives can be set according to a regime so that, for example, a ventilation system controlled by the drives is adjusted in the event of a power failure such that, for example, risks related to the propagation of fire and smoke are minimized.
  • a drive in particular an electric drive of a valve for regulating the flow of fluids in HVAC systems (HVAC valve), for example a damper drive of an HVAC system, is set up as a VAV drive (VAV: variable volume flow).
  • VAV variable volume flow
  • a VAV drive differs from other drives by a volume flow sensor and a volume flow control loop. The relationship between the pressure difference dp and the volume flow is described by a root function. This is linearized, resulting in stabilization of the control loop and easier customization to different Original Equipment Manufacturer (OEM) transducers as well as orifice plates, crosses, etc.
  • OEM Original Equipment Manufacturer
  • VAV control loop wherein a measurement signal associated with the pressure difference dp is processed and compared with a setpoint value to control a motor which moves a flap in a ventilation tube.
  • a VAV service mode for example, 2 LEDs are provided for displaying the control states of the air.
  • the VAV service mode it is displayed whether the air has been regulated or whether there is too much or too little air.
  • the VAV service mode can be manually switched on and off, with a shutdown, for example, at the latest after 2 hours automatically.
  • a water drive in particular an electric drive of a valve for regulating the flow of fluids in HVAC systems (HVAC valve), for example a flap drive of an HVAC system, is set up to shut off valve curves via software control.
  • HVAC valve for example a flap drive of an HVAC system
  • the a values of a heat exchanger are entered and the optimum valve curve is calculated, with the associated setpoints being relayed to the actuators.
  • a damper actuator of an HVAC system For the diagnosis of components and functions of an HVAC system, in particular for the diagnosis of a current operating state of a drive, in particular an electrical drive of a valve for regulating the flow of fluids in HVAC systems (HLK valve), for example, a damper actuator of an HVAC system, data storage and data interfaces are provided to store operating data at any time retrievable.
  • a master device ie a device which is configured and operates as a master
  • MP bus MP: Multi Point
  • slave devices ie devices which are configured as a slave and work to be connected.
  • Operating data of the devices include in particular an MP status, a lifecycle byte, the number of operating hours, a power-down counter, messages of all types, software update and auto-upgrade information, a record of operating conditions and / or environmental conditions, etc.
  • the data interfaces are set up, to allow access to stored data via appropriate commands.
  • the command MP_Get_Status allows access to the MP status as well as the reading of the current operating status of a device.
  • the current operating status includes, in particular, the following status flags and drive parameters: [1] Statusl: AC supply available, nominal actuator range active, positive function> 0, release active, disengaged key pressed; [2] Status2: Synchronization active, adaptation active, test run active, motor on adapted stop, piggyback active, hidden synchronization active, stop motor active; [3] Status3: MANUFACTURER login active (logged in with MANUFACTURER password), OEM login active (logged in with OEM password); [4] Status4: reserved for fire protection; [5] Status5: reserved for future status flags or drive parameters; [6] Status6: Target speed; [7] Status7: actual speed.
  • Other stored data relate to a lifecycle status, which is used for quality assurance and in particular for product liability.
  • drives such as in particular the so-called modularization drives or the drives known under the HALOMO product name
  • one or more bytes are provided in the Lifecycle Status Register in which test results are stored, such as results from a print test or PCB test, a final test or a final test, a parameterization in particular of default values, a field parameterization such as with a so-called PC tool, ie the functional test of print circuits of a drive from a final test, ie in particular the functional test of an entire drive, or even field parameters , eg of settings on the drive, which are made during installation or during operation.
  • the MP command MP_Set_Lifecycle_Byte and MP_Get_Lifecycle_Byte are defined for saving data and accessing the Lifcycle Status Register.
  • the operating time defines, for example, the time during which the drive was connected to a power supply.
  • the active time defines the time during which the motor of the drive was active, ie, either moving or overloading.
  • Each switching off of the supply voltage or each switching on of the supply voltage is stored in a counter of the drive, the number of off or on circuits are stored. This information is for diagnostic purposes. If a drive is frequently switched off or switched on, it is possible, for example, to conclude that the power supply is unstable.
  • a drive in particular an electric drive of a valve for regulating the flow of fluids in HVAC systems (HVAC valve), for example a flap drive of an HVAC system, comprises a status display, in particular one or more LEDs, in case of detected malfunctions to signal these. Due to the signaled malfunction, for example, a service call of the service personnel is required. The signaling of malfunctions takes place, for example, according to a conservative approach, so that rather a message is displayed too little than that an unnecessary service is too much to perform.
  • the status display can, for example, indicate one or more of the following malfunctions: utilization too high, setting range has been increased, overload has been detected, target position could not be reached, fault of the SuperCap. Further messages can be provided.
  • the signaling of malfunctions can be classified, for example, malfunctions can be assigned to a malfunction or to a maintenance, whereby the signaling of the malfunction is deleted by appropriate operating handles.
  • the signaling of a malfunction can be assigned to several classes at the same time, wherein several control handles can be provided for deleting the signaling. If the signaling of a malfunction is cleared without the cause of the error being corrected, it will reappear.
  • a drive in particular an electric drive of a valve for controlling the flow of fluids in HVAC systems (HVAC valve), for example, a damper drive of an HVAC system, via software update or via auto upgrade options. An update or upgrade ensures that forward and backward compatibility is guaranteed.
  • a drive in particular an electric drive of a valve for regulating the flow of fluids in HVAC systems (HVAC valve), for example a flap drive of an HVAC system, has password protection.
  • performing MP commands may require you to enter a password.
  • password levels can be provided.
  • Unconditionally executable MP commands can be executed without a password. For example, MP commands with a reference to the OEM (original equipment manufacturer), eg an MP command for calibrating a sensor connected to the drive, require an OEM password for execution.
  • FIG. 29a-d shows schematically the perspective view of a flexible coupling between a drive 29.1 and a valve. The arrangement is suitable as a retrofit solution, which is a special solution for replacement on a system.
  • Figure 29a shows schematically in perspective view the drive 29.1, which contains a coupling for a linkage, a drive-valve coupling 29.2, which has a centering device 29.21, a clamping piece 29.3 for the valve collar and an adapter 29.4 for the valve linkage.
  • the clamping piece 29.3 is placed on the valve collar of the valve 29.5, wherein in an embodiment, as shown in FIG. 29c, an insert 29.31 is required during assembly.
  • a third step as shown in Figure 29e in perspective, the drive valve coupling 29.2 placed on the clamping piece 29.3 and the adapter 29.4, in particular the centering 29.21 leads to a centering with the adapter 29.4. Subsequently, several screws 29.22 are tightened to connect the drive-valve coupling 29.2 with the clamping piece 29.3. Thereafter, the centering device 29.21 is removed.
  • the drive 29.1 is placed on the drive-valve coupling 29.2 in a perspective view, wherein guide rails of the drive-valve coupling 29.2 interact with guide rods of the drive 29.1. As can be seen from FIG.
  • the drive coupling 29.1 1 of the drive 29.1 is aligned with respect to the adapter 29.4 for interaction.
  • Figure 29h shows schematically the perspective view of a drive 29.1, which is placed over a drive-valve coupling 29.2 on a valve 29.5.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air-Flow Control Members (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

L'invention concerne des améliorations apportées à un système de chauffage, ventilation et climatisation (HLK), en particulier des améliorations apportées à une unité de commande. Dans certains systèmes HLK selon l'état de la technique, par exemple pour des applications de ventilation ou des applications faisant intervenir de l'eau, en particulier des unités de commande de clapets sont utilisées pour des clapets de ventilation ou des vannes de régulations pour ajuster le débit volumétrique. Dans certains modes de réalisation, le débit volumétrique concerne un flux d'air ou un flux d'eau pour des fonctions de chauffage, ventilation et climatisation, une commande ou régulation des débits volumétriques étant en particulier nécessaire. Les composants de systèmes HLK doivent être fiables et peu onéreux et présenter une durée de service longue.
PCT/CH2012/000231 2012-10-01 2012-10-01 Améliorations apportées à un système de chauffage, ventilation et climatisation Ceased WO2013013334A2 (fr)

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EP3117155B1 (fr) 2014-04-08 2018-12-12 FläktGroup Sweden AB Dispositif et procédé de contrôle d'un flux d'air d'alimentation au niveau d'un système de traitement de l'air
US10443862B2 (en) 2015-09-09 2019-10-15 Fimcim S.P.A Conditioning and/or heating plant and process of controlling the same plant
US10465932B2 (en) 2015-09-09 2019-11-05 Fimcim S.P.A Conditioning and/or heating plant and process of controlling the same plant
EP3812625A3 (fr) * 2019-10-22 2021-07-07 Johnson Controls Technology Company Dispositif de positionnement de support anti-rotation d'actionneur
WO2021228780A1 (fr) 2020-05-11 2021-11-18 Rotiny Aps Actionneur pour régulateurs de débit de fluide
WO2021228781A1 (fr) 2020-05-11 2021-11-18 Rotiny Aps Actionneur pour régulateurs d'écoulement de fluide
WO2022218890A1 (fr) * 2021-04-13 2022-10-20 Belimo Holding Ag Système d'actionneur ayant une fixation modulaire
WO2024200974A1 (fr) * 2023-03-28 2024-10-03 Bontaz Centre Assemblage d'un distributeur hydraulique sans corps de vanne avec son actionneur
DE102023207272B4 (de) * 2023-07-28 2025-10-09 Siemens Schweiz Ag Luftklappendrehantrieb
DE102024210181A1 (de) 2024-10-22 2026-04-23 Siemens Schweiz Ag Stellantrieb, insbesondere Luftklappendrehantrieb

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WO2011047488A1 (fr) 2009-10-23 2011-04-28 Belimo Holding Ag Moteur à courant continu sans balais à inertie hors tension

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EP2681634B1 (fr) * 2011-03-02 2020-02-19 Belimo Holding AG Actionneur comportant un moteur électrique et une unité de commande de moteur

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3117155B1 (fr) 2014-04-08 2018-12-12 FläktGroup Sweden AB Dispositif et procédé de contrôle d'un flux d'air d'alimentation au niveau d'un système de traitement de l'air
US10443862B2 (en) 2015-09-09 2019-10-15 Fimcim S.P.A Conditioning and/or heating plant and process of controlling the same plant
US10465932B2 (en) 2015-09-09 2019-11-05 Fimcim S.P.A Conditioning and/or heating plant and process of controlling the same plant
US11619269B2 (en) 2019-10-22 2023-04-04 Johnson Controls Tyco IP Holdings LLP Actuator anti-rotation bracket positioning device
EP3812625A3 (fr) * 2019-10-22 2021-07-07 Johnson Controls Technology Company Dispositif de positionnement de support anti-rotation d'actionneur
WO2021228780A1 (fr) 2020-05-11 2021-11-18 Rotiny Aps Actionneur pour régulateurs de débit de fluide
WO2021228781A1 (fr) 2020-05-11 2021-11-18 Rotiny Aps Actionneur pour régulateurs d'écoulement de fluide
EP4150232A1 (fr) * 2020-05-11 2023-03-22 Rotiny ApS Actionneur pour régulateurs d'écoulement de fluide
WO2022218890A1 (fr) * 2021-04-13 2022-10-20 Belimo Holding Ag Système d'actionneur ayant une fixation modulaire
WO2024200974A1 (fr) * 2023-03-28 2024-10-03 Bontaz Centre Assemblage d'un distributeur hydraulique sans corps de vanne avec son actionneur
FR3147344A1 (fr) * 2023-03-28 2024-10-04 Bontaz Centre Assemblage d’un distributeur hydraulique sans corps de vanne avec son actionneur
DE102023207272B4 (de) * 2023-07-28 2025-10-09 Siemens Schweiz Ag Luftklappendrehantrieb
DE102024210181A1 (de) 2024-10-22 2026-04-23 Siemens Schweiz Ag Stellantrieb, insbesondere Luftklappendrehantrieb

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