WO2018036582A1 - Actionneur de véhicule automobile muni d'un capteur absolu haute résolution - Google Patents

Actionneur de véhicule automobile muni d'un capteur absolu haute résolution Download PDF

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Publication number
WO2018036582A1
WO2018036582A1 PCT/DE2017/100645 DE2017100645W WO2018036582A1 WO 2018036582 A1 WO2018036582 A1 WO 2018036582A1 DE 2017100645 W DE2017100645 W DE 2017100645W WO 2018036582 A1 WO2018036582 A1 WO 2018036582A1
Authority
WO
WIPO (PCT)
Prior art keywords
absolute
rotor
motor vehicle
sensor
vehicle actuator
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/DE2017/100645
Other languages
German (de)
English (en)
Inventor
Jürgen GERHART
Peter Greb
Lászlo Mán
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
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 Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to DE112017004187.2T priority Critical patent/DE112017004187A5/de
Publication of WO2018036582A1 publication Critical patent/WO2018036582A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/2015—Means specially adapted for stopping actuators in the end position; Position sensing means
    • 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
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
    • 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
    • F16D29/00—Clutches and systems of clutches involving both fluid and magnetic actuation
    • F16D29/005—Clutches and systems of clutches involving both fluid and magnetic actuation with a fluid pressure piston driven by an electric motor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
    • 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
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
    • F16D2023/123—Clutch actuation by cams, ramps or ball-screw mechanisms
    • 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
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D2025/081—Hydraulic devices that initiate movement of pistons in secondary cylinders for actuating clutches, i.e. primary cylinders
    • 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
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/18—Sensors; Details or arrangements thereof
    • 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
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • F16H25/2247—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers
    • F16H25/2252—Planetary rollers between nut and screw

Definitions

  • the present invention relates to a motor vehicle actuator / actuator, such as a clutch actuator or a gear actuator, with a stator, to which a rotor is flow-dependent rotatable to a rotational movement by an adjusting movement, such as a longitudinal movement of an actuating element, such as a spindle / threaded spindle / spindle rod, to force / effect, wherein an absolute sensor, by means of which the absolute position of the actuating element or the rotor is determined, is used.
  • a modular actuator concept for clutch actuators is known, in particular clutch and / or transmission actuators, in which a modular concept is proposed.
  • an electric motor with a universal flange is provided.
  • An electro-hydraulic or electromechanical actuation path can then be connected via this flange.
  • a clutch and / or a gear setting device can then be actuated.
  • the motor housing may still have a receptacle for a pressure sensor.
  • the object of the invention is achieved in a generic motor vehicle actuator in that a control is used to specify the direction of rotation of the rotor, which uses / sets the value provided by the absolute sensor.
  • a motor actuator provided with a rotor and stator (electric motor) according to the invention and equipped with an absolute sensor can already accomplish this task by determining the rotor angular position directly or indirectly at standstill via this absolute sensor and from the sensor Control is used to specify the direction of rotation, whereupon an immediate start of the engine in the desired direction of rotation is possible.
  • further electronic / electrical components for accurate angular position determination via inductance measurement, such as Hall Sensors omitted resulting in a cost savings and beyond a reduction in space or space requirements.
  • the controller is designed so that it selects the direction of rotation of the rotor relative to the stator in dependence on the displacement direction of the adjusting element.
  • the adjustment can move in the desired direction / move / twist.
  • the absolute sensor is such a high-resolution sensor that a conclusion on the real angular position of the rotor to the stator is possible.
  • the real angular position can be detected with sufficient accuracy that the control, after evaluating this absolute value (signal), can approach the rotor relative to the stator from standstill in the desired direction.
  • a correspondingly predetermined by the controller energization allows the rotor to the stator current flow dependent rotate in a predetermined direction.
  • the absolute sensor is preferably designed as an absolute angle sensor or as an absolute path sensor.
  • the absolute angle sensor can determine an absolute angle or an absolute angular position, in particular of the rotor relative to the stator, in order to pass on a real angular position of the rotor to the controller, which corresponds to a relative position of rotor to stator.
  • This relative position is determined so well by the absolute angle sensor, that by a predetermined by the control / controlled (time-dependent) current flow, the direction of rotation is predetermined for starting / for a rotary movement.
  • An absolute path sensor may also be used to unambiguously match one (absolute) path position in an angular recalculation from an absolute path signal of an absolute path sensor in combination with a particularly steep-pitched rotational-linear gear or rotational-linear interaction )
  • Angular position can be assigned to obtain an absolute angle of the rotor to the stator. This absolute angle again corresponds with sufficient accuracy to a relative, real angular position of the rotor to the stator.
  • the absolute sensor is designed so that it determines the relative position of designed as a threaded spindle / spindle rod control element to him.
  • a rotary-linear gear for example with a threaded spindle as an actuator, is a proven device to interpret a motor vehicle actuator with an axially movable actuator.
  • the threaded spindle has a linear slope and / or gradient.
  • a gradient-loyal rotational-linear gear is used in the motor vehicle actuator or the motor vehicle actuator has such a gradient-true rotational-linear gear for actuating.
  • the threaded spindle is free of play with a nut engaged and / or free of play with planets in operative engagement.
  • a determined absolute value is not falsified or has an absolute value of a high quality with a correspondingly high resolution in order to correspond to a real angular position of the rotor to the stator or get close enough accurate.
  • the actuator is part of a transmission.
  • the gear is designed as a (synchronized) Planetenannalzgewindespindel (SPWG / PWG).
  • This Planetenannalzgewindespindel is a proven actuator with a rotor and a stator in which a rotational rotary motion is transferred to a linear translation by means of the Planetenracelzgewindespindel, and which can be made compact.
  • a rotor angular position is determined directly or indirectly at a standstill in order to start a rotational movement of the rotor in the desired direction from a standstill.
  • the motor vehicle actuator is designed / designed as a modular clutch actuator (MCA).
  • MCA modular clutch actuator
  • an electrohydraulic or electromechanical actuation path can be connected, as required, by means of which a modular clutch actuator, for example, can actuate a clutch or a transmission setting device.
  • the invention relates to an increase in dynamics and availability optimization for a (motor vehicle) actuator in which a sensorless electric motor is used. By evaluating absolute value signals, the motor can be approached from standstill in the desired direction without otherwise required induction regulations and the necessary components.
  • the absolute angle sensor (or the angular recalculation of an absolute path sensor) provides a correspondingly good angular resolution and thus the rotor position available to make the energization of the corresponding coil directly for fast start in the desired direction.
  • the invention provides to use an already existing Absolutweg- or absolute angle sensor of the actuator in order to determine the relative position of the rotor at least so precisely that a starting of the motor in the right direction is possible. A use of this sensor for commutation is not provided.
  • FIG. 1 shows a longitudinal section of a motor vehicle actuator with an absolute angle sensor with a Planetenskylzgewindespindel.
  • Fig. 2 in longitudinal section a motor vehicle actuator with an absolute displacement sensor and a threaded spindle.
  • FIG. 1 shows a motor vehicle actuator 1 according to the invention, which has a substantially annular stator 2 with coils, to which an internal rotor 3 is rotatable, to a with the rotor 3 (via a rotary gear) in operative engagement threaded spindle / Spindle rod 4, which serves as an actuator, to move longitudinally or linearly.
  • An absolute sensor 5 which is implemented as an absolute angle sensor 5 'and the absolute angle of the rotor 3 determined relative to the stator 2, transmits / transfers this determined value / this absolute angle to a controller. 6
  • a magnetic ring 7 is arranged as a signal transmitter / sensor detection part on an end face, circumferentially about its axis of rotation or about the axis of the threaded spindle 4.
  • the radial distance of the absolute angle sensor 5 'to the axis of rotation of the rotor 3 or to the axis of the threaded spindle 4 and the radial distance of the magnetic ring 7 to the axis of rotation of the rotor 3 and the axis of the threaded spindle 4 are approximately equal.
  • a (ring) section of the magnet ring 7 is always located in the region or in the immediate axial vicinity of the absolute angle sensor 5 'during a rotation of the rotor 3 and allows conclusions to be drawn about the rotational movement and the absolute, real angular position of the rotor 3 by the absolute angle sensor 5'.
  • the absolute angle sensor 5 ' has such a high resolution that a sufficiently accurate position of the rotor 3 relative to the stator 2 can be determined via the magnet ring 7, which is attached to the rotor 3. It can be determined as an absolute angle, which corresponds to the real (absolute) angular position of the rotor 3.
  • the controller 6 can derive a relative position of the rotor 3 relative to the stator 2, for example via a stored table or characteristic curve in the control for a relation of absolute angular position to relative position from the rotor 3 to the stator 2, so that the Control 6 depending on the determined absolute angular position or possibly determined therefrom relative position of the rotor 3, the (initial) energization of the coils of the coils of the stator 2 can make such a way to approach the rotor 3 in a predetermined direction of rotation and then rotate.
  • the motor vehicle actuator 1 uses in this embodiment, a Planetenskylzgewindespindel (PWG) 10 as gradual true rotational-linear gear to convert a rotational movement of the rotor 3 in a linear movement of the threaded spindle 4 / implement.
  • the threaded spindle 4 is rotatably connected at one axial end 1 1 with a guide nut 13, which a Has polygonal outer profile for a rotationally fixed and axial guidance to the housing 9.
  • the threaded spindle 4 radially on the outside an external thread 14 which is in engagement with a plurality of planets 12 of the Planetenracelzgewindespindel 10, which rotate upon rotation of the rotor 3 in engagement.
  • a rotation of the rotor 3 leads to a rotation of the Planetendoilzgewindespindel 10.
  • the rotation of the Planetenracelzgewindespindel 10 Via the threaded engagement between the axially fixed Planetendoilzgewindespindel 10 and the non-rotatable threaded spindle 4, the rotation of the Planetenracelzgewindespindel 10 to an axial (translational) displacement of the threaded spindle 4 along its longitudinal axis and an axial stroke of the Threaded spindle 4.
  • the external thread 14 of the threaded spindle 4 has a linear thread, so that via the Planetenskylzgewindespindel 10, which is used as gradual true rotary linear gear, if a reference point / zero point of the threaded spindle 4 is known, based on the absolute angle detected by the absolute angle sensor 5 'absolute angular position Also, an (absolute) linear position of the threaded spindle 4 and the axial position of the threaded spindle 4 can be determined. For this purpose, a relationship of the (absolute) angular position of the rotor 3 to the (absolute) linear position of the threaded spindle 4 is stored in the control 6.
  • the relationship between angular position and linear position can again be stored in particular in the form of a table or a characteristic in the controller 6.
  • the relative position of the rotor 3 to the stator 2 are determined to realize a start / turn of the rotor 3 in a predetermined direction of rotation, and on the other hand, an absolute linear position of the threaded spindle 4 of the motor vehicle actuator 1 for a Actuation be determined.
  • the absolute path sensor 5" is designed as a sensor module in this variant, which is parallel to the axis of rotation of the rotor 3 and to the axis of the threaded spindle 4 and is arranged radially outside the threaded spindle 4 in the housing 9.
  • a magnet 7 'as a signal generator is fixed rigidly and without play, which moves with the threaded spindle 4.
  • the magnet 7 ' provides a unique magnetic field for the longitudinally extending absolute path sensor 5 "The absolute path or the absolute position of the magnet 7' and thus the threaded spindle 4 can be determined by the absolute path sensor 5" with high resolution.
  • a gradual rotation-linear gear 15 converts a rotational movement of the rotor 3 into a linear movement of the threaded spindle 4.
  • the threaded spindle 4 in turn has a linear external thread 14.
  • About the unique assignment of the position / the absolute path of the threaded spindle 4 by the gradient-faithful rotary-linear gear and the play-free design of all action interventions of the rotary-linear gear 15 can by means of an angle calculation on the controller 6, in which the relationship of the absolute angular position of the rotor 3 is deposited to the absolute linear position of the threaded spindle 4, an absolute angle, which corresponds to a real (absolute) angular position of the rotor 3 of the rotary-linear gear 15, are determined.
  • the direction of rotation of the rotor 3 can be predetermined in order to be able to start directly in the desired direction by a predetermined energization of the coils.
  • a relative angular position of the rotor 3 to the stator 2 can be determined indirectly by means of the control 6 in this motor actuator 1 by direct determination of the absolute path of the threaded spindle 4 in order to approach the rotor 3 in the predetermined direction.
  • the actuator does not necessarily have a translatory, but can also perform a rotational movement.
  • an external thread 14 of a threaded spindle 4 does not necessarily have to be constant, but can be adapted via different pitches in different sections in the axial direction in accordance with the tasks of the actuator. The only condition is and remains that ultimately an absolute angle or an absolute angular position of the rotor 3 can be assigned to the stator 2 via the rotary linear gear ultimately an absolute path of the control element.
  • One Motor vehicle actuator 1 according to the invention may of course be designed as a modular clutch actuator (MCA) in order to provide a high level of flexibility for various fields of application or further developments.
  • MCA modular clutch actuator
  • an optical marking for example by means of a circumferential or longitudinal optical identification code, which is detected by an optical detection device as an absolute sensor 5 and used as an absolute value provided to the control 6.
  • the controller 6 can be any controller, in particular electrotechnical, which is designed to use the value set by the absolute sensor 5 and to offset the rotor 3, which is rotatable relative to the stator 2, selectively in a predetermined rotational direction in a predetermined rotational direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

L'invention concerne un actionneur de véhicule automobile (1), par exemple un actionneur d'embrayage (1) ou un actionneur de boîte de vitesses (1), comportant un stator (2) par rapport auquel un rotor (3) peut tourner en fonction du flux de courant pour, par un mouvement de rotation, forcer un élément de réglage (4), par exemple une broche, à effectuer un déplacement, par exemple un déplacement longitudinal. On utilise un capteur absolu (5) qui permet de déterminer la position absolue de l'élément de réglage (4), et on utilise une commande (6), qui utilise la valeur définie par le capteur absolu (5), pour prédéfinir le sens de rotation du rotor (3).
PCT/DE2017/100645 2016-08-25 2017-08-01 Actionneur de véhicule automobile muni d'un capteur absolu haute résolution Ceased WO2018036582A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112017004187.2T DE112017004187A5 (de) 2016-08-25 2017-08-01 Kraftfahrzeugaktor mit hochauflösendem Absolutsensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016215945.3 2016-08-25
DE102016215945.3A DE102016215945A1 (de) 2016-08-25 2016-08-25 Kraftfahrzeugaktor mit hochauflösendem Absolutsensor

Publications (1)

Publication Number Publication Date
WO2018036582A1 true WO2018036582A1 (fr) 2018-03-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2017/100645 Ceased WO2018036582A1 (fr) 2016-08-25 2017-08-01 Actionneur de véhicule automobile muni d'un capteur absolu haute résolution

Country Status (2)

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DE (2) DE102016215945A1 (fr)
WO (1) WO2018036582A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916336A (zh) * 2018-06-11 2018-11-30 北京中航惠通自动化技术有限公司 一种基于磁悬浮技术的低磨损行星滚柱丝杠及其控制方法
US11434961B2 (en) * 2019-12-16 2022-09-06 Fte Automotive Gmbh Clutch actuator and method for controlling a clutch actuator
CN117087754A (zh) * 2023-09-01 2023-11-21 重庆赛力斯新能源汽车设计院有限公司 车辆、后轮转向组件及其控制方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020111492A1 (de) 2020-04-28 2021-10-28 Schaeffler Technologies AG & Co. KG Hydraulikanordnung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995008860A1 (fr) * 1993-09-22 1995-03-30 Exlar Corporation Actionneur a translation avec capteur de position a retroaction
DE19623742A1 (de) * 1996-06-14 1997-12-18 Wittenstein Motion Contr Gmbh Einrichtung zur Verschiebeweg- und/oder Positionserfassung bei einem Spindeltrieb
WO2015117612A2 (fr) 2014-02-06 2015-08-13 Schaeffler Technologies AG & Co. KG Actionneur comprenant une vis à rouleaux satellites
WO2015149775A1 (fr) 2014-04-02 2015-10-08 Schaeffler Technologies AG & Co. KG Concept d'actionneur modulaire pour actionneur d'embrayage
DE102015201600A1 (de) * 2015-01-30 2016-08-04 Schaeffler Technologies AG & Co. KG Aktor mit Planetenwälzgewindespindel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995008860A1 (fr) * 1993-09-22 1995-03-30 Exlar Corporation Actionneur a translation avec capteur de position a retroaction
DE19623742A1 (de) * 1996-06-14 1997-12-18 Wittenstein Motion Contr Gmbh Einrichtung zur Verschiebeweg- und/oder Positionserfassung bei einem Spindeltrieb
WO2015117612A2 (fr) 2014-02-06 2015-08-13 Schaeffler Technologies AG & Co. KG Actionneur comprenant une vis à rouleaux satellites
WO2015149775A1 (fr) 2014-04-02 2015-10-08 Schaeffler Technologies AG & Co. KG Concept d'actionneur modulaire pour actionneur d'embrayage
DE102015201600A1 (de) * 2015-01-30 2016-08-04 Schaeffler Technologies AG & Co. KG Aktor mit Planetenwälzgewindespindel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916336A (zh) * 2018-06-11 2018-11-30 北京中航惠通自动化技术有限公司 一种基于磁悬浮技术的低磨损行星滚柱丝杠及其控制方法
CN108916336B (zh) * 2018-06-11 2020-06-26 北京中航惠通自动化技术有限公司 一种基于磁悬浮技术的低磨损行星滚柱丝杠
US11434961B2 (en) * 2019-12-16 2022-09-06 Fte Automotive Gmbh Clutch actuator and method for controlling a clutch actuator
CN117087754A (zh) * 2023-09-01 2023-11-21 重庆赛力斯新能源汽车设计院有限公司 车辆、后轮转向组件及其控制方法

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Publication number Publication date
DE102016215945A1 (de) 2018-03-01
DE112017004187A5 (de) 2019-05-02

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