CN100447430C - 用以减小液压系统中能量损失的改进的主/副回路 - Google Patents

用以减小液压系统中能量损失的改进的主/副回路 Download PDF

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Publication number
CN100447430C
CN100447430C CNB2005100542561A CN200510054256A CN100447430C CN 100447430 C CN100447430 C CN 100447430C CN B2005100542561 A CNB2005100542561 A CN B2005100542561A CN 200510054256 A CN200510054256 A CN 200510054256A CN 100447430 C CN100447430 C CN 100447430C
Authority
CN
China
Prior art keywords
communicated
pump
fluid
hydraulic system
independent
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.)
Expired - Fee Related
Application number
CNB2005100542561A
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English (en)
Chinese (zh)
Other versions
CN1657791A (zh
Inventor
M·A·贝茨
J·L·赫林
A·W·约翰逊
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.)
Danfoss Power Solutions Inc
Original Assignee
Sauer Danfoss Inc
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 Sauer Danfoss Inc filed Critical Sauer Danfoss Inc
Publication of CN1657791A publication Critical patent/CN1657791A/zh
Application granted granted Critical
Publication of CN100447430C publication Critical patent/CN100447430C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20507—Type of prime mover
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20561—Type of pump reversible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20576—Systems with pumps with multiple pumps
    • F15B2211/20584—Combinations of pumps with high and low capacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/27—Directional control by means of the pressure source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/78—Control of multiple output members
    • F15B2211/781—Control of multiple output members one or more output members having priority

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
CNB2005100542561A 2004-02-18 2005-02-06 用以减小液压系统中能量损失的改进的主/副回路 Expired - Fee Related CN100447430C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/782,417 2004-02-18
US10/782,417 US7299629B2 (en) 2004-02-18 2004-02-18 Charge/auxiliary circuit for reducing power losses in hydrostatic systems

Publications (2)

Publication Number Publication Date
CN1657791A CN1657791A (zh) 2005-08-24
CN100447430C true CN100447430C (zh) 2008-12-31

Family

ID=34838810

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100542561A Expired - Fee Related CN100447430C (zh) 2004-02-18 2005-02-06 用以减小液压系统中能量损失的改进的主/副回路

Country Status (4)

Country Link
US (1) US7299629B2 (enExample)
JP (1) JP2005233421A (enExample)
CN (1) CN100447430C (enExample)
DE (1) DE102005004373A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007045178A (ja) * 2005-08-05 2007-02-22 Kanzaki Kokyukoki Mfg Co Ltd 作業車輌
JP4822320B2 (ja) * 2005-11-22 2011-11-24 油研工業株式会社 可変容量形双方向回転ポンプおよび該ポンプを用いた油圧回路
JP5025732B2 (ja) * 2007-09-26 2012-09-12 日立建機株式会社 産業用車両の油圧供給装置
KR101698914B1 (ko) * 2010-10-05 2017-01-23 마그나 파워트레인 인크. 이중 배출 펌프
GB2515102B (en) 2013-06-14 2019-06-19 Ford Global Tech Llc Particulate filter overheat protection

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183723A (en) * 1975-04-30 1980-01-15 Sundstrand Corporation Rotary vane pump having multi-independent outputs due to stator surfaces of different contour
US4597718A (en) * 1984-06-06 1986-07-01 Nippon Soken, Inc. Hydraulic fluid supply system with variable pump-displacement arrangement
US5165233A (en) * 1991-03-28 1992-11-24 Sauer, Inc. Charge pressure priority valve
US6192682B1 (en) * 1995-02-24 2001-02-27 Hydro-Gear Limited Partnership Charge pump and auxiliary pump for hydrostatic transmissions and integrated hydrostatic transaxles
US6641372B2 (en) * 2000-01-21 2003-11-04 Delphi Technologies, Inc. Dual discharge hydraulic pump and system therefor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1961592A (en) * 1929-01-18 1934-06-05 Muller Wolfgang Carl Variable capacity pump or motor
US2832199A (en) * 1953-04-30 1958-04-29 American Brake Shoe Co Vane pump
JPS59165977U (ja) * 1983-04-22 1984-11-07 株式会社クボタ タンデムポンプの吸入部構造
GB8427354D0 (en) * 1984-10-30 1984-12-05 Hobourn Eaton Ltd Rotary pumps
US4751818A (en) * 1986-09-16 1988-06-21 Kubik Philip A Hydraulic drive system for platen
JPH0196484A (ja) * 1987-10-06 1989-04-14 Kubota Ltd 内接歯車ポンプ
JPH0259283U (enExample) * 1988-10-21 1990-04-27
JPH02248763A (ja) * 1989-03-23 1990-10-04 Daikin Ind Ltd トラクタの駆動装置
JP3095258B2 (ja) 1991-05-31 2000-10-03 富士重工業株式会社 ロックアップトルコン付無段変速機の油圧制御装置
KR950024736A (ko) * 1994-02-28 1995-09-15 배순훈 식기세척기의 펌프
DE69721092T2 (de) * 1996-01-19 2003-12-11 Aisin Seiki K.K., Kariya Ölpumpenanlage
US6533556B1 (en) * 1999-06-21 2003-03-18 Eric Cozens Pressure balanced hydraulic pumps
US6386836B1 (en) 2000-01-20 2002-05-14 Eagle-Picher Industries, Inc. Dual gerotor pump for use with automatic transmission

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183723A (en) * 1975-04-30 1980-01-15 Sundstrand Corporation Rotary vane pump having multi-independent outputs due to stator surfaces of different contour
US4597718A (en) * 1984-06-06 1986-07-01 Nippon Soken, Inc. Hydraulic fluid supply system with variable pump-displacement arrangement
US5165233A (en) * 1991-03-28 1992-11-24 Sauer, Inc. Charge pressure priority valve
US6192682B1 (en) * 1995-02-24 2001-02-27 Hydro-Gear Limited Partnership Charge pump and auxiliary pump for hydrostatic transmissions and integrated hydrostatic transaxles
US6641372B2 (en) * 2000-01-21 2003-11-04 Delphi Technologies, Inc. Dual discharge hydraulic pump and system therefor

Also Published As

Publication number Publication date
DE102005004373A1 (de) 2005-09-08
CN1657791A (zh) 2005-08-24
JP2005233421A (ja) 2005-09-02
US20050178117A1 (en) 2005-08-18
US7299629B2 (en) 2007-11-27

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081231

Termination date: 20100206