DE10354193B4 - Kavitationsverhinderungssystem eines Hydraulikfahrzeuges - Google Patents

Kavitationsverhinderungssystem eines Hydraulikfahrzeuges Download PDF

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Publication number
DE10354193B4
DE10354193B4 DE10354193A DE10354193A DE10354193B4 DE 10354193 B4 DE10354193 B4 DE 10354193B4 DE 10354193 A DE10354193 A DE 10354193A DE 10354193 A DE10354193 A DE 10354193A DE 10354193 B4 DE10354193 B4 DE 10354193B4
Authority
DE
Germany
Prior art keywords
drive
hydraulic
hydraulic pump
reverse
fluid
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
DE10354193A
Other languages
German (de)
English (en)
Other versions
DE10354193A1 (de
Inventor
Masaaki Komatsu Genji
Eric Jacques
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.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 Komatsu Ltd filed Critical Komatsu Ltd
Publication of DE10354193A1 publication Critical patent/DE10354193A1/de
Application granted granted Critical
Publication of DE10354193B4 publication Critical patent/DE10354193B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4183—Preventing or reducing vibrations or noise, e.g. avoiding cavitations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/44—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4061—Control related to directional control valves, e.g. change-over valves, for crossing the feeding conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/44—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation
    • F16H61/448—Control circuits for tandem pumps or motors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Gearings (AREA)
  • Motor Power Transmission Devices (AREA)
  • Operation Control Of Excavators (AREA)
DE10354193A 2002-11-27 2003-11-20 Kavitationsverhinderungssystem eines Hydraulikfahrzeuges Expired - Fee Related DE10354193B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0227637A GB2395769C (en) 2002-11-27 2002-11-27 Cavitation prevention system of hydraulic travelling vehicle
GB02276376 2002-11-27

Publications (2)

Publication Number Publication Date
DE10354193A1 DE10354193A1 (de) 2004-06-17
DE10354193B4 true DE10354193B4 (de) 2007-06-06

Family

ID=9948591

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10354193A Expired - Fee Related DE10354193B4 (de) 2002-11-27 2003-11-20 Kavitationsverhinderungssystem eines Hydraulikfahrzeuges

Country Status (4)

Country Link
JP (1) JP4190397B2 (enExample)
CN (1) CN100562677C (enExample)
DE (1) DE10354193B4 (enExample)
GB (1) GB2395769C (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100419311C (zh) * 2002-12-27 2008-09-17 日立建机株式会社 液压驱动的车辆
EP1967745A4 (en) * 2005-12-27 2016-04-20 Hitachi Construction Machinery PUMP CONTROL DEVICE FOR HYDRAULIC WORK MACHINE, PUMP CONTROL METHOD AND CONSTRUCTION MACHINE
JP2011075045A (ja) * 2009-09-30 2011-04-14 Hitachi Constr Mach Co Ltd 油圧作業機械の油圧制御装置
EP2466017A1 (en) * 2010-12-14 2012-06-20 Caterpillar, Inc. Closed loop drive circuit with open circuit pump assist for high speed travel
CN104141643B (zh) * 2013-05-10 2018-10-30 林德液压两合公司 带有用于驱动变速器的静液压传动机构的驱动系

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2261627A1 (de) * 1971-12-13 1973-06-28 Caterpillar Tractor Co Hydraulisches schaltsystem fuer einen bagger oder dergleichen
DE4407282C2 (de) * 1994-03-04 1996-04-18 Hydromatik Gmbh Hydrostatischer Antrieb

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11218102A (ja) * 1997-11-11 1999-08-10 Komatsu Ltd 圧油供給装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2261627A1 (de) * 1971-12-13 1973-06-28 Caterpillar Tractor Co Hydraulisches schaltsystem fuer einen bagger oder dergleichen
DE4407282C2 (de) * 1994-03-04 1996-04-18 Hydromatik Gmbh Hydrostatischer Antrieb

Also Published As

Publication number Publication date
DE10354193A1 (de) 2004-06-17
CN1509916A (zh) 2004-07-07
JP4190397B2 (ja) 2008-12-03
CN100562677C (zh) 2009-11-25
JP2004176920A (ja) 2004-06-24
GB2395769B (en) 2006-02-08
GB0227637D0 (en) 2003-01-08
GB2395769A (en) 2004-06-02
GB2395769C (en) 2006-02-08

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8364 No opposition during term of opposition
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee