JP2005233421A - 静水圧システム内の動力損失減少用改良型チャージ・補助回路 - Google Patents

静水圧システム内の動力損失減少用改良型チャージ・補助回路 Download PDF

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Publication number
JP2005233421A
JP2005233421A JP2005032415A JP2005032415A JP2005233421A JP 2005233421 A JP2005233421 A JP 2005233421A JP 2005032415 A JP2005032415 A JP 2005032415A JP 2005032415 A JP2005032415 A JP 2005032415A JP 2005233421 A JP2005233421 A JP 2005233421A
Authority
JP
Japan
Prior art keywords
charge
pump
circuit
auxiliary circuit
outlets
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.)
Pending
Application number
JP2005032415A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005233421A5 (enExample
Inventor
Michael A Betz
エイ ベッツ マイケル
Jeff L Herrin
エル ヘリン ジェフ
Alan W Johnson
ダブリュ ジョンソン アラン
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 JP2005233421A publication Critical patent/JP2005233421A/ja
Publication of JP2005233421A5 publication Critical patent/JP2005233421A5/ja
Pending 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)
JP2005032415A 2004-02-18 2005-02-09 静水圧システム内の動力損失減少用改良型チャージ・補助回路 Pending JP2005233421A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
JP2005233421A true JP2005233421A (ja) 2005-09-02
JP2005233421A5 JP2005233421A5 (enExample) 2007-09-20

Family

ID=34838810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005032415A Pending JP2005233421A (ja) 2004-02-18 2005-02-09 静水圧システム内の動力損失減少用改良型チャージ・補助回路

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
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
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
US5165233A (en) * 1991-03-28 1992-11-24 Sauer, Inc. Charge pressure priority valve

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
US4183723A (en) * 1975-04-30 1980-01-15 Sundstrand Corporation Rotary vane pump having multi-independent outputs due to stator surfaces of different contour
JPS60259569A (ja) * 1984-06-06 1985-12-21 Nippon Soken Inc 可変容量制御装置
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
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
US5819535A (en) 1995-02-24 1998-10-13 Hydro-Gear Limited Partnership Charge pump and auxiliary pump for hydrostatic transmissions and integrated hydrostatic transaxles
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
US6641372B2 (en) 2000-01-21 2003-11-04 Delphi Technologies, Inc. Dual discharge hydraulic pump and system therefor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US5165233A (en) * 1991-03-28 1992-11-24 Sauer, Inc. Charge pressure priority valve

Also Published As

Publication number Publication date
CN100447430C (zh) 2008-12-31
DE102005004373A1 (de) 2005-09-08
CN1657791A (zh) 2005-08-24
US20050178117A1 (en) 2005-08-18
US7299629B2 (en) 2007-11-27

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