EP2137378B1 - Pompe ou moteur - Google Patents

Pompe ou moteur Download PDF

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Publication number
EP2137378B1
EP2137378B1 EP08734365.3A EP08734365A EP2137378B1 EP 2137378 B1 EP2137378 B1 EP 2137378B1 EP 08734365 A EP08734365 A EP 08734365A EP 2137378 B1 EP2137378 B1 EP 2137378B1
Authority
EP
European Patent Office
Prior art keywords
working
shaft
working part
pump
motor according
Prior art date
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Active
Application number
EP08734365.3A
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German (de)
English (en)
Other versions
EP2137378A1 (fr
Inventor
Felix Arnold
Evgenij Skrynski
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.)
Robert Bosch GmbH
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Robert Bosch GmbH
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
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Priority to SI200831911T priority Critical patent/SI2137378T1/en
Publication of EP2137378A1 publication Critical patent/EP2137378A1/fr
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Publication of EP2137378B1 publication Critical patent/EP2137378B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C1/00—Rotary-piston machines or engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
    • F01C1/082—Details specially related to intermeshing engagement type machines or engines
    • F01C1/084—Toothed wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/18—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C3/00—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members
    • F01C3/06—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged otherwise than at an angle of 90 degrees
    • F01C3/08—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged otherwise than at an angle of 90 degrees of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F01C3/085—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged otherwise than at an angle of 90 degrees of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing the axes of cooperating members being on the same plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C15/064—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps
    • F04C15/066—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type
    • F04C15/068—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type of the elastic type, e.g. reed valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/60—Shafts

Definitions

  • the invention relates to a pump or a motor for liquid or gaseous media according to the preamble of the main claim.
  • a known machine of this type DE OS 42 41 320
  • the working part wherein according to a machine with spur toothing, the working spaces between the work surfaces to promote the medium reduced, or increased.
  • a machine with spur toothing the working spaces between the work surfaces to promote the medium reduced, or increased.
  • such a machine can also serve as a motor by medium is pumped into the work spaces under pressure, which generates a drive of the shaft by enlarging the work spaces.
  • two working parts are rotated in the machine housing with correspondingly high demands on the pivot bearing and thrust bearing and with a significant performance limitation in terms of working pressure.
  • the invention has for its object a pump or a motor for liquid or gaseous media, namely to develop a related machine, with the much higher working pressures of the media without disadvantage are acceptable and can be produced without a considerable manufacturing effort.
  • the erimdungsdorfe machine with the characterizing features of the main claims 1 and 2 has the advantage that with a simple structure and correspondingly low cost, a machine for high working pressures is created in the advantageously in the known machines by radial load adversely affecting pressures now predominantly in the be redirected easily controllable axial direction. Due to the stationary arrangement of the other working part opposite the working surface delimiting working surface, bearing forces of a second working part also fall away, so that only the working part has a bearing surface towards the shaft on the oblique sliding plane and predominantly only the shaft has an axial bearing and only a small extent Radial storage must have. The rotation of the shaft corresponds to the tumbling of the working part.
  • the central axis of the stationary working surface is equal to the axis of rotation of the shaft.
  • the partially tumbling inner wall receiving the tumbling working part merges into a cylindrical opening of the housing, the diameter of which corresponds to the diameter of the working part.
  • the central axis of the stationary working surface is arranged coaxially to the shaft, on the one hand results in a favorable Auflagerung the working part on the static work surface, but also a working space separating large teilkugelige overlap area between the working part and the housing.
  • the teeth of the oppositely arranged spur toothing are formed as a cycloid toothing with power and Absperrteil with a cycloidal development of the tread.
  • a cycloid toothing with power and Absperrteil with a cycloidal development of the tread is known ( DE 42 41 320 ), but in an embodiment in which the opposing work surfaces rotate in each case.
  • the advantages of cycloidal processing are retained if only as in the invention, a work surface rotates. The advantages of cycloidal processing as such can be seen in the prior art.
  • valves plate valves serve as valves plate valves with an outer and an inner ring having holding part and arranged between the rings, attached to one of the rings resilient valve plates.
  • Such plate valves are extremely inexpensive to produce and work in the manner of a check valve.
  • material tapers are present at the bearing point between the inclined plane of the working part and the shaft in the medium through the connection channel, so as to compensate for the resulting in the formation of the inclined plane without mass balance resulting unilateral mass accumulation by material rejuvenation. This avoids that one-sided mass accumulations in the region of the inclined plane on the shaft creates unilateral radial forces.
  • FIG. 1 an embodiment of the invention is shown in longitudinal section, as it then in Fig. 3 is shown in perspective view.
  • This is a machine that can be used depending on the application as a pump or motor for liquid or gaseous media, and how, especially Fig. 3 removed, the cross section of the mounting housing 1 is cylindrical in order to use the machine in corresponding holes can.
  • round cord rings 2 form the required seal of the mounting housing 1, to which the machine receiving part, such as a pipe but also a hole in a machine receiving this machine.
  • a shaft 4 is rotatably supported via a radial bearing 3, wherein the shaft is slightly loaded in the axial direction via a leaf spring 5 and a locking ring 6 and is correspondingly displaceable.
  • a non-co-rotating working space housing 10 is arranged coaxially with the shaft 4 centrally and sealed by a O-ring 11 to the installation housing 1 out.
  • This working space housing 10 accommodates a working space 12, which is bounded on the other hand by a rotating working part 13.
  • the shaft 4 has on the side facing the working part 13 an inclined sliding plane 14, so that a rotation of the shaft 4 leads to a tumbling of the working part 13.
  • the glide plane 14 facing away from the end face of the working part 13 is toothed in the manner of a cycloid toothing, which engages in accordance with existing in a working housing 10 static teeth in the opposite wall surface of the working space 12.
  • the working part 13 is guided in spherical boundaries of the receiving working space housing 10, namely in a part spherical surface portion 15 which also forms the outer boundary of the working spaces 12 radially and a central smaller part spherical surface portion 16, the work spaces 12 radially limited to the inside.
  • Both partial spherical surface sections 15 and 16 have the same center point M.
  • the working part 13 also has on its side facing the surface 16 a corresponding partial spherical surface 17, as well as a larger diameter 15 of the partial spherical surface section Due to this spherical overlap not only is there a very favorable distribution of the axial forces of the shaft 4 on the working space housing 10, but there is also a very favorable separation of the working space to working space or working space to other machine channels and this particular during the Operation, ie the tumbling of the working part 13.
  • the working space housing 10 is fastened via a screw ring 19 in the installation housing 1, wherein a valve plate 20 is clamped between the screw ring 19 and the working space housing 10.
  • a valve plate 20 is clamped between the screw ring 19 and the working space housing 10.
  • connection channels 21 are arranged for the working medium centrally symmetrical about an axis X of the machine, leading to the work spaces 12.
  • the axis X is at the same time the axis of rotation of the shaft 4 and passes through the center M of the spherical surfaces accordingly.
  • annular space 23 To the working spaces 12 there is a connection via control channels 22 to a shaft surrounding the annular space 23 for the working fluid, the annular space 23 depending on the application serves as inflow or outflow channel.
  • this annular space 23 communicates via radial channels 24 with an outer annular space 25 in connection, as particularly Fig. 3 is removable. When installing the machine such an annular space 25 is then brought into coincidence with at least one channel for the medium.
  • first variant of the embodiment has only a pin 26 on the working part, which is inserted into a bore 27 of the shaft, said pin coaxially runs to the axis of the working part.
  • the machine is the same structure as that in the Fig. 1 to 3 Shown.
  • the Fig. 5 to 7 show the control in the region of the inclined sliding plane 14 according to the embodiment Fig. 1 , wherein the working part 13 of the working spaces 12 has channels 28 which open into the sliding plane 14. These channels 28 interact with the control channels 22 on the in Fig. 7 shown front side of the shaft 4 to the inclined sliding plane 14 together.
  • the shaft 4 has on the oblique sliding plane 14 side facing a larger diameter than on its stored portion, so that the control channels 22 can be arranged in the step thus formed and corresponding to the control of the channels 28 in the inclined sliding plane 14 are opposite to this ,
  • the diameter R1 and R2 on the channels 28 receiving boundary circles almost the same diameter as that of the spherical surface portions 15 and 16th
  • Fig. 13 can be removed, would be due to the inclined sliding plane 14, the mass accumulation at the top of the shaft 4 and in particular in the control area on one side, so that one-sided radial forces would arise.
  • a recess 32 is provided in the control region of the head, so that a mass balance and thus unilateral radial forces are thereby avoided again.
  • Due to a remaining radial portion 33 of the inclined sliding plane is avoided that the over flowing in the bottom of the working part 13 and there provided openings 22 medium enters undesirable areas, especially between the head of the shaft 4 and the working space housing 10.
  • channels 28 for the connection of the Bottom of the working part 13 arranged channels 28 ( Fig.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)
  • Hydraulic Motors (AREA)

Claims (15)

  1. Pompe ou moteur pour fluides liquides ou gazeux
    - avec des espaces de travail disposés entre des surfaces de travail opposées les unes aux autres et symétriques par rapport à leurs axes de rotation respectifs,
    - avec respectivement une denture frontale sur les deux surfaces de travail dont les dents affectées les unes aux autres avec des lignes de contact radiales engrenant les unes dans les autres limitent les espaces de travail (12),
    - avec un angle correspondant défini entre les axes respectifs des deux surfaces de travail,
    - avec une partie de travail (13) tournant autour de son axe, avec une denture frontale destinée à recevoir une des surfaces de travail,
    - avec une limitation radiale sphérique de la partie de travail (13) ou respectivement des surfaces de travail pour le support étanche sur une paroi intérieure partiellement sphérique d'un boîtier (10),
    - avec une limitation radiale des espaces de travail par la paroi intérieure partiellement sphérique du boîtier qui entoure la partie de travail et sur laquelle la partie de travail est supportée en pouvant vaciller autour de son axe et de façon étanche radialement sur les parois,
    - avec un entraînement d'entrée ou respectivement de sortie rotatif par le biais d'un arbre (4) et
    - avec des canaux (21, 22) formant respectivement un flux d'entrée et de sortie vers les espaces de travail (12) pour le fluide,
    - un plan de glissement (14) oblique étant disposé entre l'arbre (4) et la partie de travail (13) munie de la denture frontale et de la surface de travail de telle sorte qu'une rotation de l'arbre (4) conduit à un vacillement de la partie de travail (13) ou respectivement un vacillement de la partie de travail (13) conduit à une rotation de l'arbre (4), et
    - de sorte que l'autre surface de travail (sur 10) opposée à la partie de travail (13), avec une denture frontale correspondant à la denture frontale de la partie de travail (13), est disposée d'une façon qui ne tourne pas solidairement et qui est donc stationnaire dans le boîtier (10),
    caractérisé(e) en ce que
    l'arbre (4) présente, en direction du plan de glissement (14) oblique, un diamètre agrandi par rapport à son segment supporté, et l'arbre (4) présente, pour la circulation des fluides liquides ou gazeux, un canal de raccordement (31) qui s'étend dans l'arbre (4) et qui est raccordé aux espaces de travail (12) par le biais du plan de glissement (14) oblique et d'ouvertures (28) dans la partie de travail (13).
  2. Pompe ou moteur pour fluides liquides ou gazeux
    - avec des espaces de travail disposés entre des surfaces de travail opposées les unes aux autres et symétriques par rapport à leurs axes de rotation respectifs,
    - avec respectivement une denture frontale sur les deux surfaces de travail dont les dents affectées les unes aux autres avec des lignes de contact radiales engrenant les unes dans les autres limitent les espaces de travail (12),
    - avec un angle correspondant défini entre les axes respectifs des deux surfaces de travail,
    - avec une partie de travail (13) tournant autour de son axe, avec une denture frontale destinée à recevoir une des surfaces de travail,
    - avec une limitation radiale sphérique de la partie de travail (13) ou respectivement des surfaces de travail pour le support étanche sur une paroi intérieure partiellement sphérique d'un boîtier (10),
    - avec une limitation radiale des espaces de travail par la paroi intérieure partiellement sphérique du boîtier qui entoure la partie de travail et sur laquelle la partie de travail est supportée en pouvant vaciller autour de son axe et de façon étanche radialement sur les parois et,
    - avec un entraînement d'entrée ou respectivement de sortie rotatif par le biais d'un arbre (4) et
    - avec des canaux (21, 22) formant respectivement un flux d'entrée et de sortie vers les espaces de travail (12) pour le fluide,
    - un plan de glissement (14) oblique étant disposé entre l'arbre (4) et la partie de travail (13) munie de la denture frontale et de la surface de travail de telle sorte qu'une rotation de l'arbre (4) conduit à un vacillement de la partie de travail (13) ou respectivement un vacillement de la partie de travail (13) conduit à une rotation de l'arbre (4), et
    - de sorte que l'autre surface de travail (sur 10) opposée à la partie de travail (13), avec une denture frontale correspondant à la denture frontale de la partie de travail (13), est disposée d'une façon qui ne tourne pas solidairement et qui est donc stationnaire dans le boîtier (10), caractérisé(e) en ce que
    l'arbre (4) présente en direction du plan de glissement (14) oblique un diamètre agrandi par rapport à son segment supporté, et en ce que, dans l'étage ainsi formé s'étendent des canaux (22) tournant solidairement qui servent de flux d'entrée ou de flux de sortie, et en ce que des ouvertures (28) correspondant aux canaux (22) sont présents dans la surface de travail de la partie de travail (13) et sont commandées par les embouchures des canaux (22) dans le plan de glissement (14) oblique.
  3. Pompe ou moteur selon la revendication 1 ou 2, caractérisé (e) en ce que l'axe central (X) de la surface de travail stationnaire est identique à l'axe de rotation de l'arbre (4).
  4. Pompe ou moteur selon l'une des revendications précédentes, caractérisé(e) en ce que la paroi intérieure (15) partiellement sphérique recevant la partie de travail (13) vacillante se transforme en ouverture cylindrique du boîtier (10) dont le diamètre correspond au diamètre de la partie de travail (13).
  5. Pompe ou moteur selon l'une des revendications précédentes, caractérisé(e) en ce que la machine présente des dimensions extérieures cylindriques pour le montage dans des alésages ou dans des conduites tubulaires.
  6. Pompe ou moteur selon l'une des revendications 2 à 5, caractérisé (e) en ce que, entre la partie de travail (13) et l'arbre (4), sur le plan de glissement (14) oblique, il est disposé un tourillon (26) qui engrène dans un alésage de guidage (27) correspondant de la partie opposée (partie de travail ou arbre) (figure 4).
  7. Pompe ou moteur selon la revendication 6, caractérisé(e) en ce que le tourillon (26) est disposé sur la partie de travail (13).
  8. Pompe ou moteur selon l'une des revendications précédentes, caractérisé(e) en ce que l'arbre (4), y compris la partie de travail (13), est chargé de façon souple (5) en direction de la surface de travail stationnaire, et en ce que l'arbre est supporté de façon axialement coulissante et de façon rotative dans un boîtier global.
  9. Pompe ou moteur selon l'une des revendications précédentes, caractérisé(e) en ce que, entre la partie de travail (13) et une surface de travail opposée qui ne tourne pas solidairement, il y a, de façon centrale, une surface d'appui (16) commune constituée de façon sphérique qui sert également à la limitation radiale des espaces de travail (12) de pompe.
  10. Pompe ou moteur selon l'une des revendications précédentes, caractérisé (e) en ce que les dents de la denture frontale disposée de façon mutuellement opposée sont constituées en tant que denture cycloïde, avec une partie de puissance et une partie de blocage avec une projection développée cycloïde de la face de roulement.
  11. Pompe ou moteur selon l'une des revendications précédentes, caractérisé(e) en ce que des flux d'entrée et/ou de sortie en provenance des espaces de travail (12) de pompe se ramifient en tant que canaux (21) statiques avec une symétrie axiale à partir de la surface d'appui stationnaire et de façon non commandée à partir de la partie de travail (13).
  12. Pompe ou moteur selon la revendication 11, caractérisé(e) en ce que les canaux (21) statiques peuvent être commandés par des soupapes (29, 30) disposées dans le boîtier (10) d'espace de travail.
  13. Pompe ou moteur selon la revendication 12, caractérisé(e) en ce que les soupapes utilisées sont des soupapes à disque avec une partie de retenue présentant un anneau extérieur et un anneau intérieur (29) et des disques à ressort (30) disposés entre les anneaux et fixés de façon élastique sur un anneau de ces anneaux.
  14. Pompe ou moteur selon la revendication 1, caractérisé (e) en ce que, sur le fond des espaces de travail, il y a des ouvertures (canaux 28 sur les figures 5 et 6) qui conduisent à un espace collecteur (32) présent entre le plan de glissement (14) oblique et le côté arrière de la partie de travail (13), l'espace collecteur (32) étant fermé radialement vers l'extérieur et conduisant directement au canal de raccordement (31).
  15. Pompe ou moteur selon la revendication 1, caractérisé(e) en ce que, dans l'emplacement d'appui entre la partie de travail (13) et le plan de glissement (14) oblique de l'arbre (4) dans la zone du transport du fluide vers le canal de raccordement (31) il y a des rétrécissements pour l'équilibrage des masses concernant les forces rotatives.
EP08734365.3A 2007-03-13 2008-03-13 Pompe ou moteur Active EP2137378B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200831911T SI2137378T1 (en) 2007-03-13 2008-03-13 Pump or engine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007012574 2007-03-13
DE102008009694 2008-02-18
PCT/DE2008/000425 WO2008110155A1 (fr) 2007-03-13 2008-03-13 Pompe ou moteur

Publications (2)

Publication Number Publication Date
EP2137378A1 EP2137378A1 (fr) 2009-12-30
EP2137378B1 true EP2137378B1 (fr) 2017-11-01

Family

ID=39590857

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08734365.3A Active EP2137378B1 (fr) 2007-03-13 2008-03-13 Pompe ou moteur

Country Status (9)

Country Link
US (2) US20100104462A1 (fr)
EP (1) EP2137378B1 (fr)
JP (1) JP5135361B2 (fr)
CN (1) CN101960089B (fr)
AU (1) AU2008226194B2 (fr)
DE (1) DE102008013991A1 (fr)
RU (1) RU2494261C2 (fr)
SI (1) SI2137378T1 (fr)
WO (1) WO2008110155A1 (fr)

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DE102010040758A1 (de) * 2010-09-14 2012-03-15 Robert Bosch Gmbh Förderaggregat
DE102010063547A1 (de) * 2010-10-08 2012-04-12 Robert Bosch Gmbh Pumpe, Verdichter oder Motor mehrstufig oder mehrflutig
DE102010063522A1 (de) * 2010-12-20 2012-06-21 Robert Bosch Gmbh Pumpe, Verdichter oder Motor
DE102011084828B4 (de) 2011-10-19 2024-02-15 Robert Bosch Gmbh Förderaggregat
DE102012206797A1 (de) 2012-04-25 2013-10-31 Robert Bosch Gmbh Drehkolbenmaschine, die als Pumpe, Verdichter oder Motor für ein Fluid wirkt
DE102012208511A1 (de) 2012-05-22 2013-11-28 Robert Bosch Gmbh Als Pumpe, Verdichter oder Motor für pastöses, flüssiges oder gasförmiges Medium arbeitende Drehkolbenmaschine
DE102014209140A1 (de) * 2013-05-23 2014-11-27 Robert Bosch Gmbh Förderaggregat
DE102013226974A1 (de) 2013-12-20 2015-06-25 Robert Bosch Gmbh Taumelpumpe mit im Stator gelagerter Welle
DE102014219219A1 (de) * 2014-09-24 2016-03-24 Robert Bosch Gmbh Förderaggregat
DE102014221698A1 (de) 2014-10-24 2016-04-28 Robert Bosch Gmbh Pumpvorrichtung
CN105756933B (zh) * 2016-04-26 2017-10-10 无锡博泰微流体技术有限公司 一种球形压缩机齿轮过死点机构
CN105782022B (zh) * 2016-04-26 2017-12-15 无锡博泰微流体技术有限公司 球形泵冷却机构
CN106438189A (zh) * 2016-07-09 2017-02-22 镇江大力液压马达股份有限公司 一种超微型摆线液压马达
DE102016218128A1 (de) 2016-09-21 2018-03-22 Robert Bosch Gmbh Förderaggregat
CN110359962B (zh) * 2019-07-17 2021-01-05 顾新钿 一种气动马达

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Publication number Publication date
DE102008013991A1 (de) 2008-12-04
AU2008226194A1 (en) 2008-09-18
CN101960089B (zh) 2013-07-31
US20100104462A1 (en) 2010-04-29
US20130224056A1 (en) 2013-08-29
AU2008226194B2 (en) 2013-07-18
EP2137378A1 (fr) 2009-12-30
US8821142B2 (en) 2014-09-02
WO2008110155A1 (fr) 2008-09-18
RU2009137617A (ru) 2011-04-20
CN101960089A (zh) 2011-01-26
RU2494261C2 (ru) 2013-09-27
SI2137378T1 (en) 2018-02-28
JP5135361B2 (ja) 2013-02-06
JP2010520964A (ja) 2010-06-17

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