EP2307726B1 - Pompe à cylindrée variable - Google Patents

Pompe à cylindrée variable Download PDF

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Publication number
EP2307726B1
EP2307726B1 EP09776916.0A EP09776916A EP2307726B1 EP 2307726 B1 EP2307726 B1 EP 2307726B1 EP 09776916 A EP09776916 A EP 09776916A EP 2307726 B1 EP2307726 B1 EP 2307726B1
Authority
EP
European Patent Office
Prior art keywords
pressure
control
piston
adjustable pump
pump according
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.)
Active
Application number
EP09776916.0A
Other languages
German (de)
English (en)
Other versions
EP2307726A2 (fr
Inventor
Doan Van Nguyen
Hans Jürgen Lauth
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.)
Magna Powertrain Bad Homburg GmbH
Original Assignee
Magna Powertrain Bad Homburg 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
Application filed by Magna Powertrain Bad Homburg GmbH filed Critical Magna Powertrain Bad Homburg GmbH
Publication of EP2307726A2 publication Critical patent/EP2307726A2/fr
Application granted granted Critical
Publication of EP2307726B1 publication Critical patent/EP2307726B1/fr
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Classifications

    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F04C2/3442—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
    • F04C14/223—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/52—Conditions after a throttle
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/58—Valve parameters

Definitions

  • variable displacement pump is characterized in that the pressure valve is integrated in the flow regulator. This space can be saved.
  • variable displacement pump is characterized in that the pressure valve is pilot-controlled by a pilot valve.
  • the pressure valve can also be controlled directly.
  • the cam ring 10 of the variable displacement pump 1 is limited within the pump housing 2 two Verstelltellêt 11, 12, which are separated by sealing means 14, 15 from each other.
  • On the right side of the cam 10 is an actuating piston 18, which is biased by an actuating piston spring 19 which is biased in an actuating piston receiving space 20.
  • the adjusting piston spring 19 By the preload force the adjusting piston spring 19, the cam ring 10 is held with its left side in abutment against a stop surface 16 which is provided on the pump housing 2.
  • the control edge 101 is a connection between the inner annular pressure space, which is also referred to as inner annulus, and the terminal 86 free, so that hydraulic medium from the inner annular space via the terminal 86 and the connecting line 88 enters the left Verstelldruckraum 11. Since the pressure regulating piston 95 has only one control edge 101, the pressure regulator is also referred to as a single-edge pressure regulator. Similarly, the flow regulator with the flow control piston 81 with its two control edges 84, 85 referred to as a two-edge flow regulator.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Rotary Pumps (AREA)

Claims (13)

  1. Pompe à cylindrée variable comprenant un anneau de levage (10) qui peut être réglé en fonction de la pression dans un premier espace de pression de réglage (11) et un deuxième espace de pression de réglage (12), et comprenant un régulateur quantitatif (30) qui est réalisé sous forme de soupape à tiroir avec un piston de réglage quantitatif (31 ; 81) présentant plusieurs arêtes de commande (35, 36 ; 84, 85), lequel piston est sollicité par une pression différentielle régnant avant et après une résistance hydraulique (28) dans une région haute pression, et comprenant une soupape de pression (40), la soupape de pression (40) étant réalisée sous forme de soupape à tiroir avec un piston de régulation de pression (52 ; 95) qui présente une arête de commande de pression (61 ; 101) et qui est sollicité au niveau d'une surface de commande de pression avec la pression avant ou éventuellement après la résistance hydraulique (28), la soupape de pression étant intégrée dans le régulateur quantitatif, caractérisée en ce que le piston de régulation de pression (95) peut être déplacé d'avant en arrière à l'intérieur du piston de réglage quantitatif (81).
  2. Pompe à cylindrée variable selon la revendication 1, caractérisée en ce que l'un des espaces de pression de réglage (11, 12) est en liaison par le biais du régulateur quantitatif (30 ; 80) et d'un étranglement de sortie (62 ; 100) avec un espace de détente de pression ou un réservoir (24).
  3. Pompe à cylindrée variable selon l'une quelconque des revendications précédentes, caractérisée en ce que le piston de régulation de pression (52 ; 95) de la soupape de pression (40) présente exactement une arête de commande (61 ; 101).
  4. Pompe à cylindrée variable selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le piston de réglage quantitatif (31 ; 81) du régulateur quantitatif (30) présente exactement deux arêtes de commande (35, 36 ; 84, 85).
  5. Pompe à cylindrée variable selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le piston de réglage quantitatif du régulateur quantitatif présente quatre arêtes de commande.
  6. Pompe à cylindrée variable selon l'une quelconque des revendications précédentes, caractérisée en ce que la résistance hydraulique (28) est réalisée sous forme de diaphragme.
  7. Pompe à cylindrée variable selon la revendication 6, caractérisée en ce qu'un étranglement variable (68 ; 108) est monté en parallèle avec la résistance hydraulique (28).
  8. Pompe à cylindrée variable selon l'une quelconque des revendications précédentes, caractérisée en ce que la soupape de pression (40) est pilotée par une soupape pilote (75 ; 115).
  9. Pompe à cylindrée variable selon l'une quelconque des revendications précédentes, caractérisée en ce que l'un des espaces de pression de réglage (11 ; 12) peut être sollicité ou est sollicité à l'aide du régulateur quantitatif (30) et/ou de la soupape de pression (40) respectivement du régulateur quantitatif de pression (80) avec une pression de régulation.
  10. Pompe à cylindrée variable selon la revendication 9, caractérisée en ce que la pression de réglage est en liaison, par le biais d'un ou de l'étranglement de sortie (62 ; 100), avec un ou l'espace de détente de pression ou avec un ou le réservoir (24).
  11. Pompe à cylindrée variable selon la revendication 9, caractérisée en ce que la pression de réglage est en liaison par le biais d'un étranglement d'entrée (120) avec la région haute pression.
  12. Pompe à cylindrée variable selon la revendication 11, caractérisée en ce que la pression de réglage peut être ou est en liaison par le biais du régulateur quantitatif (30) et/ou de la soupape de pression (40) respectivement par le biais du régulateur quantitatif et de pression (80) avec un ou l'espace de détente de pression ou avec un ou le réservoir (24).
  13. Pompe à cylindrée variable selon l'une quelconque des revendications précédentes, caractérisée en ce que la pompe à cylindrée variable (1) est réalisée sous la forme d'une pompe à ailettes avec un rotor (4) qui présente des fentes d'ailettes (6) s'étendant radialement, lesquelles servent à guider des ailettes (8) qui peuvent être déplacées radialement vers l'extérieur hors des fentes d'ailettes (6) dans la direction d'un contour de levage (9) qui est prévu au niveau de l'anneau de levage réglable (10).
EP09776916.0A 2008-07-15 2009-07-02 Pompe à cylindrée variable Active EP2307726B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008033788 2008-07-15
PCT/EP2009/004772 WO2010006705A2 (fr) 2008-07-15 2009-07-02 Pompe à cylindrée variable

Publications (2)

Publication Number Publication Date
EP2307726A2 EP2307726A2 (fr) 2011-04-13
EP2307726B1 true EP2307726B1 (fr) 2016-01-27

Family

ID=41550757

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09776916.0A Active EP2307726B1 (fr) 2008-07-15 2009-07-02 Pompe à cylindrée variable

Country Status (4)

Country Link
EP (1) EP2307726B1 (fr)
DE (1) DE112009001577A5 (fr)
ES (1) ES2567089T3 (fr)
WO (1) WO2010006705A2 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112012001968A5 (de) * 2011-05-04 2014-01-23 Ixetic Bad Homburg Gmbh Verstellpumpe
WO2012149929A2 (fr) * 2011-05-05 2012-11-08 Ixetic Bad Homburg Gmbh Pompe à cylindrée variable
DE102012213564A1 (de) * 2011-09-23 2013-03-28 Mahle International Gmbh Schmiermittelsystem
JP6218653B2 (ja) * 2014-03-13 2017-10-25 Ｋｙｂ株式会社 ベーンポンプ及びその製造方法
DE102014211878A1 (de) 2014-06-20 2015-12-24 Magna Powertrain Bad Homburg GmbH Schwenkanordnung für einen Hubring
CN104612967B (zh) * 2014-12-01 2017-01-25 宁波圣龙汽车动力系统股份有限公司 可变排量机油泵控制回路
JP2016118112A (ja) * 2014-12-19 2016-06-30 日立オートモティブシステムズステアリング株式会社 ポンプ装置
DE102016216681A1 (de) 2015-09-11 2017-04-13 Magna Powertrain Bad Homburg GmbH Verstellpumpe mit Unterflügelversorgung und Verfahren
WO2017084710A1 (fr) * 2015-11-19 2017-05-26 Pierburg Pump Technology Gmbh Pompe à lubrifiant à cylindrée variable
DE102015223414A1 (de) 2015-11-26 2017-06-01 Robert Bosch Gmbh Verstellpumpe mit einem einen Verstellarm aufweisenden Verstellring zur Fördermengenverstellung der Verstellpumpe
CN114215744B (zh) * 2021-12-28 2023-04-07 湖南机油泵股份有限公司 采用滑阀和开关电磁阀联合控制的两级变量机油泵及系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2878756A (en) * 1955-08-30 1959-03-24 Houdaille Industries Inc Variable displacement pump and pressure responsive control means therefor
JP4601764B2 (ja) * 2000-04-18 2010-12-22 株式会社ショーワ 可変容量型ポンプ
JP3933843B2 (ja) * 2000-04-27 2007-06-20 ユニシア ジェーケーシー ステアリングシステム株式会社 可変容量形ポンプ
JP3861594B2 (ja) * 2000-12-15 2006-12-20 ユニシア ジェーケーシー ステアリングシステム株式会社 オイルポンプ
JP2007170321A (ja) * 2005-12-26 2007-07-05 Hitachi Ltd 可変容量型ベーンポンプ

Also Published As

Publication number Publication date
ES2567089T3 (es) 2016-04-19
WO2010006705A8 (fr) 2010-12-02
WO2010006705A3 (fr) 2010-06-17
WO2010006705A2 (fr) 2010-01-21
DE112009001577A5 (de) 2012-02-23
EP2307726A2 (fr) 2011-04-13

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