CA2037279C - Operating speed change-over device - Google Patents

Operating speed change-over device

Info

Publication number
CA2037279C
CA2037279C CA002037279A CA2037279A CA2037279C CA 2037279 C CA2037279 C CA 2037279C CA 002037279 A CA002037279 A CA 002037279A CA 2037279 A CA2037279 A CA 2037279A CA 2037279 C CA2037279 C CA 2037279C
Authority
CA
Canada
Prior art keywords
over
speed change
valve
change
over valve
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
CA002037279A
Other languages
English (en)
French (fr)
Other versions
CA2037279A1 (en
Inventor
Masanobu Kawanaka
Youichi Kondo
Junichi Tabata
Kimimasa Onda
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.)
Caterpillar Japan Ltd
Original Assignee
Shin Caterpillar Mitsubishi 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 Shin Caterpillar Mitsubishi Ltd filed Critical Shin Caterpillar Mitsubishi Ltd
Publication of CA2037279A1 publication Critical patent/CA2037279A1/en
Application granted granted Critical
Publication of CA2037279C publication Critical patent/CA2037279C/en
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
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/472—Automatic regulation in accordance with output requirements for achieving a target output torque
    • 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
    • F16H61/423—Motor capacity control by fluid pressure control means
    • 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
    • F16H61/456—Control of the balance of torque or speed between pumps or motors
    • 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
    • F16H61/46—Automatic regulation in accordance with output requirements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Motor Power Transmission Devices (AREA)
CA002037279A 1990-03-09 1991-02-28 Operating speed change-over device Expired - Fee Related CA2037279C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23261/90 1990-03-09
JP1990023261U JPH0745652Y2 (ja) 1990-03-09 1990-03-09 走行速度切換装置

Publications (2)

Publication Number Publication Date
CA2037279A1 CA2037279A1 (en) 1991-09-10
CA2037279C true CA2037279C (en) 1994-03-08

Family

ID=12105662

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002037279A Expired - Fee Related CA2037279C (en) 1990-03-09 1991-02-28 Operating speed change-over device

Country Status (5)

Country Link
US (1) US5085052A (US06826419-20041130-M00005.png)
EP (1) EP0445829B1 (US06826419-20041130-M00005.png)
JP (1) JPH0745652Y2 (US06826419-20041130-M00005.png)
CA (1) CA2037279C (US06826419-20041130-M00005.png)
DE (1) DE69105304T2 (US06826419-20041130-M00005.png)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5113935A (en) * 1991-05-01 1992-05-19 Mobil Oil Corporation Gravel packing of wells
DE4327667A1 (de) * 1993-08-17 1995-02-23 Sauer Sundstrand Gmbh & Co Steuerungsvorrichtung für verstellbare Hydromaschinen
WO1997010457A1 (de) * 1995-09-11 1997-03-20 O & K Mining Gmbh Verfahren und einrichtung zur lastabhängigen automatischen umschaltung von fahrmotoren
DE19723181C1 (de) * 1997-06-03 1999-02-04 Wessel Hydraulik Vorrichtung zum automatischen Umsteuern mindestens eines zweistufigen hydraulischen Fahrmotors einer mobilen Baumaschine, insbesondere eines Raupenbaggers
DE19859245A1 (de) * 1998-12-22 2000-07-06 Bosch Gmbh Robert Hydrauliksteuerung für ein stufenlos veränderliches Getriebe
DE10304665A1 (de) * 2003-02-05 2004-08-19 Liebherr-Machines Bulle S.A. Antrieb mit Hydromaschine
KR100559294B1 (ko) * 2003-02-12 2006-03-15 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 유압 액츄에이터의 속도 제어장치
KR101155718B1 (ko) * 2004-12-31 2012-06-12 두산인프라코어 주식회사 굴삭기의 주행제어장치
JP4127282B2 (ja) * 2005-10-04 2008-07-30 コベルコクレーン株式会社 可変容量型油圧モータの制御装置
US7571605B2 (en) * 2007-01-03 2009-08-11 Clark Equipment Company Synchronized speed shifting of multiple motors
JP4702379B2 (ja) * 2008-02-29 2011-06-15 コベルコクレーン株式会社 可変容量型油圧モータの制御装置
CN101520089B (zh) * 2009-03-26 2012-07-04 上海汽车变速器有限公司 变速器副箱气动换挡操纵系统
EP2530208A4 (en) * 2010-01-28 2017-08-09 Hitachi Construction Machinery Co., Ltd. Hydraulic work machine
JP5562272B2 (ja) * 2011-03-01 2014-07-30 日立建機株式会社 ハイブリッド式建設機械
CN102971467B (zh) * 2011-03-03 2017-01-18 克拉克设备公司 液压驱动系统的自动转换

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1476460A1 (de) * 1966-03-19 1969-02-13 Lucas Industries Ltd Hydraulische Maschine mit veraenderlichem Hub
DE1931790A1 (de) * 1968-08-30 1970-07-30 Leipzig Inst Foerdertech Hydrostatischer Antrieb
US4096694A (en) * 1977-07-05 1978-06-27 Caterpillar Tractor Co. Control system for a fluid drive
US4116002A (en) * 1977-08-22 1978-09-26 Eaton Corporation Control for a variable displacement pump or motor
DE2823559A1 (de) * 1978-05-30 1979-12-06 Linde Ag Steuer- und regeleinrichtung fuer ein hydrostatisches getriebe
US4212164A (en) * 1978-12-06 1980-07-15 General Signal Corporation Variable delivery pump control system
JPS55173750U (US06826419-20041130-M00005.png) * 1979-05-31 1980-12-12
JPS5872762A (ja) * 1980-08-06 1983-04-30 Hitachi Constr Mach Co Ltd 油圧駆動装置の制御装置
DE3042837C2 (de) * 1980-11-13 1982-12-09 Hydromatik Gmbh, 7900 Ulm Steuer- und Regeleinrichtung bei einem hydrostatischen Getriebe
US4480438A (en) * 1982-01-20 1984-11-06 Vickers, Incorporated Power transmission
DE3623066A1 (de) * 1986-07-09 1988-01-28 Rexroth Mannesmann Gmbh Schaltungsanordnung zur drehzahlregelung einer an eine leitung mit eingepraegtem druck angeschlossenen hydrostatischen maschine
JPS6343260A (ja) * 1986-08-07 1988-02-24 Toshiba Corp 燃料電池の製造方法
US4768340A (en) * 1987-04-24 1988-09-06 Allied-Signal Inc. Automatic displacement control for variable displacement motor
US4951462A (en) * 1989-06-05 1990-08-28 Eaton Corporation Hydrostatic transmission with motor start control system

Also Published As

Publication number Publication date
EP0445829A3 (en) 1992-01-22
DE69105304D1 (de) 1995-01-12
CA2037279A1 (en) 1991-09-10
DE69105304T2 (de) 1995-04-06
EP0445829A2 (en) 1991-09-11
JPH0745652Y2 (ja) 1995-10-18
JPH03115161U (US06826419-20041130-M00005.png) 1991-11-27
US5085052A (en) 1992-02-04
EP0445829B1 (en) 1994-11-30

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Legal Events

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