EP2188519A1 - Structure de moteur hydraulique submersible perfectionnée, notamment pour les systèmes sous pression - Google Patents

Structure de moteur hydraulique submersible perfectionnée, notamment pour les systèmes sous pression

Info

Publication number
EP2188519A1
EP2188519A1 EP08786961A EP08786961A EP2188519A1 EP 2188519 A1 EP2188519 A1 EP 2188519A1 EP 08786961 A EP08786961 A EP 08786961A EP 08786961 A EP08786961 A EP 08786961A EP 2188519 A1 EP2188519 A1 EP 2188519A1
Authority
EP
European Patent Office
Prior art keywords
rotor
structure according
magnet
axis
casing
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.)
Withdrawn
Application number
EP08786961A
Other languages
German (de)
English (en)
Inventor
Elvio De Nuzzo
Vito Feleppa
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.)
Individual
Original Assignee
Individual
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
Priority claimed from ITVI20070220 external-priority patent/ITVI20070220A1/it
Priority claimed from ITVI20080095 external-priority patent/ITVI20080095A1/it
Application filed by Individual filed Critical Individual
Publication of EP2188519A1 publication Critical patent/EP2188519A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B5/00—Machines or engines characterised by non-bladed rotors, e.g. serrated, using friction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/34—Non-positive-displacement machines or engines, e.g. steam turbines characterised by non-bladed rotor, e.g. with drilled holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/80—Size or power range of the machines
    • F05B2250/82—Micromachines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/80—Size or power range of the machines
    • F05D2250/82—Micromachines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

Definitions

  • the present invention concerns a structure for a hydraulic motor having the disc-shaped rotor completely immersed in the fluid, particularly suited to be used in closed-circuit and pressurized systems.
  • the present invention offers the same performance, provided that the hydraulic motor that is the subject of the invention remains completely immersed in the fluid flow.
  • Almost all buildings are provided with closed-circuit and pressurized hydraulic systems, which are mainly used for heating, air conditioning and similar purposes.
  • a thermal carrier usually water, circulates inside said closed-circuit systems, said thermal carrier being subjected to forced circulation inside the system thanks to the use of a pump that is properly sized to overcome any resistance and difference in height present in the hydraulic system, while part of the energy produced by the fluid remains unused, since the function of said fluid is exclusively to carry heat.
  • the main object of the present invention is to construct a submersible hydraulic motor structure capable of exploiting as efficiently as possible the energy of the pressurized fluid present inside said systems, independently of whether they are closed-circuit systems, like thermosiphon systems, or open-circuit systems, like the water pipes in civil or industrial plants.
  • another important aim of the present invention is to construct a submersible hydraulic motor structure capable of operating directly various types of devices like small power generators and the like.
  • a further important object of the present invention is to construct a motor structure that is compact and easy to apply to the hydraulic systems of known type.
  • Another object of the present invention is to construct a hydraulic motor structure offering good efficiency, capable of generating a shaft torque sufficient to operate a fan or an alternator, using already existing or new systems that, as known, are sized for limited flow rates and low head.
  • Another object of the present invention is to construct a hydraulic motor structure that is simple and economic from the construction point of view, capable of generating, if associated with a power generator, power sufficient for feeding, for example, an electronic card, a solenoid valve, a hydraulic flow regulating valve, an automatic control for opening and closing the water taps of wash basins, a rechargeable buffer battery, for lighting lamps or LEDs on taps whose body is made of transparent materials.
  • a submersible hydraulic motor structure particularly suited to be used in closed and pressurized hydraulic circuits, or in open hydraulic circuits with disposable fluids where pressure is the same as in the mains, characterized in that it comprises, inside a casing provided with an inlet opening for the pressurized fluid and with an outlet, at least one converging nozzle suited to accelerate the fluid against the inner surfaces of a plurality of through holes arranged on at least one crown, equally spaced from one another and from the rotation axis of a disc-shaped rotor in which they are made, said rotor being constrained in such a way as to turn in said casing and featuring, in a first embodiment, a plurality of magnetic means statically connected to the lateral surface of the rotor itself.
  • the external surface of the rotor can feature power transmission means positioned outside the casing, in a coaxial position relative to the rotor itself.
  • FIG. 1 shows an axonomethc view of the motor structure carried out according to a first embodiment of the invention
  • FIG. 2 shows an exploded axonometric view of the motor structure carried out according to a first embodiment of the invention
  • FIG. 3 shows an exploded sectioned axonometric view of the motor structure carried out according to a first embodiment of the invention
  • - Figure 4 shows a top view of a median section of the motor structure carried out according to a first embodiment of the invention
  • FIG. 5 shows an example of application of the motor structure to a generic hydraulic system
  • FIG. 6 shows an axonomethc view of the rotor
  • FIG. 7 shows a side view of a median section of a motor structure carried out according to a second embodiment of the invention
  • FIG. 8 shows a side view of a portion of a median section of a motor structure carried out according to a third embodiment of the invention.
  • a first embodiment of a submersible hydraulic motor structure carried out according to the invention is illustrated as a whole in Figures from 1 to 5, where it is indicated by 1.
  • the structure 1 comprises a casing 2 provided with an inlet opening 3 for the pressurized fluid coming from an inlet pipe A and with an outlet 4 that in turn is connected to an outlet pipe B, as shown in Figure 5.
  • a partition 5 that is provided with two converging nozzles 6, positioned downstream of the inlet opening 3, as shown in Figures 3 and 4.
  • two converging nozzles 6 positioned downstream of the inlet opening 3, as shown in Figures 3 and 4.
  • one single nozzle or even more than two nozzles may be provided.
  • Said nozzles 6 accelerate the fluid coming from the inlet opening 3 towards the inner surfaces of a plurality of axial through holes 7 obtained along a crown C of a disc-shaped rotor 8, shown in Figure 6, equally spaced from one another and from the rotation axis of the rotor itself.
  • the rotor 8 is in turn constrained in such a way as to turn in the casing 2 and a plurality of magnetic means 9 is statically connected to its lateral surface 81.
  • the rotor 8 is hinged on one side to the partition 5 and on the other side to a frame 10 of the casing 2 positioned before the rotor 8, as can be seen in particular in Figure 4.
  • the rotor 8 and the partition 5 are properly adjacent, so that the terminal section 11 of each one of the nozzles 6 is as near as possible to the inlet section 12 of each one of the through holes 7.
  • the area of the terminal section 11 which has the same size as the inlet section 12 of each one of the through holes 7, is substantially projected on the whole inlet section.
  • the disc-shaped rotor 8 has substantially the shape of a plate and its lateral surface 81 is cylindrical, as shown in Figure 6.
  • the axis ⁇ of the through holes 7 is parallel to the rotation axis ⁇ of the disc-shaped rotor 8.
  • the axis ⁇ of the through holes 7 may be inclined relative to the rotation axis ⁇ of the disc-shaped rotor 8.
  • the nozzles 6 are cylindrical, In different embodiments of the invention, the nozzles 6 may have a different shape, for example the shape of a pyramidal frustum.
  • each one of the nozzles 6 intercepts the inner surface 14 of the through holes 7 when they pass before the nozzles, and the axis 13 lies on a plane that is substantially tangential to the cylinder generated by the axes of the through holes 7.
  • the outlet 4 is situated downstream of the rotor 8.
  • the magnetic means 9 present on the lateral surface 81 of the rotor 8 are permanent magnets.
  • stator means 15 positioned outside said casing 2, at the level of the intersection between the plane passing through the surface of the rotor 8 and the casing itself.
  • stator means 15 comprise several electric windings and furthermore these stator means 15 are associated with connection means 16 for drawing the electric energy that has been generated.
  • the partition 105 is provided with a single nozzle 106.
  • power transmission means 117 are provided that are positioned outside the casing 102 and coaxially associated with the rotor 108 itself, as shown in
  • Said power transmission means 117 are magnetic drive means.
  • first multi-pole magnet 118 integral with said first rotor 108 and facing a second magnet 119 integral with a second rotor 120.
  • Said second magnet 119 and second rotor 120 are coaxial with the first magnet 118 and with the first rotor 108, and both are constrained in such a way as to turn in proximity of the first magnet 118 outside said casing 102.
  • the first and second magnets 118 and 119 are annular in shape and face each other.
  • said second rotor 120 is constrained in such a way as to turn around a cylindrical pin 123 coaxial with said first rotor 108 and projecting outwards from said opposite wall 122, through the interposition of means 124 for reducing the rotational friction, which are constituted by rolling bearings 125.
  • the casing 102 of said second embodiment is provided with a base plate 126 connected to it by means of a threaded connection 127, said inlet opening 103 being obtained in said base plate 126.
  • Said partition 105 and said base plate 126 are properly provided with sealing rings 128 on their periphery.
  • said outlet 104 is located in the lower part 102a of said casing 102.
  • the first magnet 218, cylindrical in shape is arranged in such a way as to turn inside a tubular portion 229 that projects from the portion 221 of the opposite wall 222.
  • Said second magnet 219 is shaped in such a way as to be arranged concentrically outside said tubular portion 229 and constrained so as to turn around a pin 223 that extends coaxially from said tubular portion 229.
  • the rotation of said second rotor 220 is facilitated by the presence of means 224 for reducing rotational friction between said second rotor 220 and said pin 223.
  • Said means 224 for reducing rotational friction are constituted by rolling bearings 225.
  • the inlet opening 3, 103 and 203 is connected to a pipe A that conveys the pressurized fluid from the hydraulic system to the inside of the structure 1 , 101 and 201.
  • outlet 4, 104 and 204 is connected to an outlet pipe B through which the fluid continues its route towards any users, as shown in
  • the first rotor 8, 108 and 208 is thus completely immersed in the fluid.
  • the fluid is thus conveyed towards the nozzles 6, 106 and 206, through which it is accelerated, so that part of its pressure energy is converted into kinetic energy.
  • the rotor 8 while rotating, brings with it also the magnetic means 9, which are integral with its lateral surface 81 and consequently generate a variable magnetic field around them.
  • this magnetic field with variable direction induces in the stator means 15, positioned outside the casing 2, electric energy that can be used for feeding external devices.
  • this electric energy is drawn through the conductive means 16 and conveyed for example to electronic devices that measure the flow rate, or is accumulated in storage means not represented in the figures.
  • a different embodiment of the invention not described herein may exploit the measure of the variation in the magnetic field generated by the magnetic means 9 to measure the flow rate of the fluid that flows through the structure 1. Obviously, said measurement is carried out after properly setting any means for measuring and transducing the magnetic field generated by the rotating magnetic means 9.
  • the second and third embodiments of the invention shown in Figures 7 and 8 have the first magnet 118 and 218 positioned coaxially to the first rotor 108 and 208 and rotating integrally with the latter. Said first magnet 118 and 218 sets the second magnet 119 and 219 rotating by magnetic drive, said second magnet 119 and 219 being located outside said casing 102 and 202.
  • said second magnet 119 is integral with said second rotor 120.
  • the second magnet 219 forms a single body with the second rotor 220, as described above.
  • Said second rotor 120 and 220 which rotates around said pin 123 and 223 through the interposition of means 124 and 224 for reducing rotational friction, which also in this case are constituted by rolling bearings 125 and 225, can be provided with a fan wheel for a convector heater or fan convector, as well as the rotor of an alternator or other similar devices.
  • the structure of the hydraulic motor of the invention makes it possible to achieve the set object and the advantages connected with it.
  • the present invention achieves the object to construct a submersible hydraulic motor structure capable of operating directly various types of devices like fan wheels, small power generators and the like.
  • the present invention further achieves the important object to construct a motor structure that is compact and easy to apply to the hydraulic systems of known type.
  • Another object achieved by the present invention is to construct a hydraulic motor structure offering good efficiency, capable of generating a shaft torque sufficient to operate a fan or an alternator, using already existing or new systems that, as known, are sized for limited flow rates and low head.
  • the present invention also achieves the further object to produce a hydraulic motor structure that is simple and economic from the construction point of view, capable of generating, if associated with a power generator, power sufficient for feeding, for example, an electronic card, a solenoid valve, a hydraulic flow regulating valve, an automatic control for opening and closing the water taps of wash basins, a rechargeable buffer battery, for lighting lamps or LEDs on taps whose body is made of transparent materials.
  • a further object achieved by the present invention is the object to construct a hydraulic motor structure that can be produced with known systems and technologies.
  • hydraulic motor structure In the construction stage, the hydraulic motor structure may be modified and variants of the same, which are neither described nor represented herein, may be carried out in order to improve its functionality and make it more economic to produce.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

L'invention concerne une structure de moteur hydraulique submersible particulièrement appropriée pour une utilisation en circuits hydrauliques fermés et sous pression. La structure selon l'invention comprend un boîtier (2, 102, 202) muni d'une ouverture d'entrée (3, 103, 203) pour le fluide sous pression, un orifice de sortie (4, 104, 204) du fluide et un rotor en forme de disque (8, 108, 208) disposé entre l'ouverture d'entrée (3, 103, 203) et l'orifice de sortie et restreint de manière à tourner dans le boîtier (2, 102, 202). Le rotor en forme de disque (8, 108, 208) comprend une pluralité de trous traversants axiaux (7, 107, 207) disposés sur une de ses couronnes (C) et espacés de manière égale les uns des autres. La structure de moteur comprend également une buse convergente (6, 106, 206) disposée en amont du rotor (8, 108, 208) et appropriée pour accélérer le fluide contre les surfaces internes (14, 114, 214) de la pluralité de trous traversants axiaux (7, 107, 207).
EP08786961A 2007-08-06 2008-08-06 Structure de moteur hydraulique submersible perfectionnée, notamment pour les systèmes sous pression Withdrawn EP2188519A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITVI20070220 ITVI20070220A1 (it) 2007-08-06 2007-08-06 Struttura di motore idraulico a immersione particolarmente per impianti in pressione
ITVI20080095 ITVI20080095A1 (it) 2008-04-17 2008-04-17 Struttura di motore idraulico perfezionato a immersione particolarmente per impianti in pressione
PCT/EP2008/060355 WO2009019291A1 (fr) 2007-08-06 2008-08-06 Structure de moteur hydraulique submersible perfectionnée, notamment pour les systèmes sous pression

Publications (1)

Publication Number Publication Date
EP2188519A1 true EP2188519A1 (fr) 2010-05-26

Family

ID=39951485

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08786961A Withdrawn EP2188519A1 (fr) 2007-08-06 2008-08-06 Structure de moteur hydraulique submersible perfectionnée, notamment pour les systèmes sous pression

Country Status (2)

Country Link
EP (1) EP2188519A1 (fr)
WO (1) WO2009019291A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20120086A1 (it) * 2012-04-17 2013-10-18 Nuzzo Elvio De Generatore di energia idroelettrica perfezionato e regolatore di flusso a comando elettrico autoalimentato comprendente detto generatore di energia idroelettrica

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB260064A (en) * 1925-08-11 1926-10-28 Edward Charles Hopkinson Improvements in rotary engines
DE4310417A1 (de) * 1993-03-31 1994-10-06 Thermo Technik Holding Ag Vorrichtung zur Erhöhung der Wärmeleitung von mit Flüssigkeiten betriebenen Raumheizkörpern
DE20007953U1 (de) 2000-05-03 2000-08-24 Hofmann, Georg, Dipl.-Ing., 04315 Leipzig Raumheiz-/Kühlsystem mit erhöhtem Energieaustausch durch eigengenerierte erzwungene Konvektion
DE10351297A1 (de) * 2003-10-31 2005-06-02 Werner Beck Heizkörper der Zentralheizung mit Luefterbetrieb
US20070154303A1 (en) * 2006-01-04 2007-07-05 Gison Machinery Co., Ltd Axial flow cylinder of pneumatic tool

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009019291A1 *

Also Published As

Publication number Publication date
WO2009019291A1 (fr) 2009-02-12

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