CA1039832A - Electrical hydrostatic transmission control system - Google Patents

Electrical hydrostatic transmission control system

Info

Publication number
CA1039832A
CA1039832A CA233,651A CA233651A CA1039832A CA 1039832 A CA1039832 A CA 1039832A CA 233651 A CA233651 A CA 233651A CA 1039832 A CA1039832 A CA 1039832A
Authority
CA
Canada
Prior art keywords
speed
command signal
signal
hydrostatic
electrical
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
Application number
CA233,651A
Other languages
English (en)
French (fr)
Other versions
CA233651S (en
Inventor
Charles R. Cornell
Gerald F. O'callaghan
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.)
Eaton Corp
Original Assignee
Eaton Corp
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 Eaton Corp filed Critical Eaton Corp
Application granted granted Critical
Publication of CA1039832A publication Critical patent/CA1039832A/en
Expired 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
    • F16H61/478—Automatic regulation in accordance with output requirements for preventing overload, e.g. high pressure limitation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
    • B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
    • B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
    • B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
    • B62D11/18—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied hydraulically
    • B62D11/183—Control systems therefor
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S60/00—Power plants
    • Y10S60/911—Fluid motor system incorporating electrical system

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Control Of Fluid Gearings (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
  • Motor Power Transmission Devices (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
CA233,651A 1974-08-20 1975-08-18 Electrical hydrostatic transmission control system Expired CA1039832A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US499002A US3914938A (en) 1974-08-20 1974-08-20 Electrical hydrostatic transmission control system

Publications (1)

Publication Number Publication Date
CA1039832A true CA1039832A (en) 1978-10-03

Family

ID=23983390

Family Applications (1)

Application Number Title Priority Date Filing Date
CA233,651A Expired CA1039832A (en) 1974-08-20 1975-08-18 Electrical hydrostatic transmission control system

Country Status (8)

Country Link
US (1) US3914938A (OSRAM)
JP (2) JPS598699B2 (OSRAM)
BR (1) BR7505349A (OSRAM)
CA (1) CA1039832A (OSRAM)
DE (1) DE2537073A1 (OSRAM)
FR (1) FR2282582A1 (OSRAM)
GB (2) GB1524197A (OSRAM)
IT (1) IT1041859B (OSRAM)

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US4180979A (en) * 1978-06-22 1980-01-01 Eaton Corporation Anti-stall control for electrical hydrostatic transmission control system
US4175628A (en) * 1978-07-10 1979-11-27 Eaton Corporation Steering control system for dual path hydrostatic vehicle
US4274257A (en) * 1979-01-08 1981-06-23 Eaton Corporation Anti-stall controller
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US4351152A (en) * 1979-09-24 1982-09-28 Sundstrand Corporation Electronic constant speed control for a hydrostatic transmission
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US4355509A (en) * 1979-12-31 1982-10-26 Sundstrand Corporation Split torque transmission control
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JPS57171042A (en) * 1981-04-15 1982-10-21 Hitachi Constr Mach Co Ltd Control system for series including internal-combustion engine and hydraulic pump
JPS5765822A (en) * 1980-10-09 1982-04-21 Hitachi Constr Mach Co Ltd Control of driving system containing internal combustion engine and hydraulic pump
JPS57173533A (en) * 1981-04-16 1982-10-25 Hitachi Constr Mach Co Ltd Controller of device containing internal combustion engine and oil hydraulic pump
KR870000168B1 (ko) * 1980-10-09 1987-02-13 히다찌겡끼 가부시기가이샤 액압동력계의 제어장치
JPS58101870A (ja) * 1981-12-14 1983-06-17 Komatsu Ltd 油圧駆動車の直進補償装置
JPS5897030U (ja) * 1981-12-24 1983-07-01 株式会社小松製作所 油圧駆動車の走行用油圧回路
US4448021A (en) * 1982-01-21 1984-05-15 Sundstrand Corporation Anti-stall control
JPS58142062A (ja) * 1982-02-17 1983-08-23 Komatsu Ltd 油圧機械式変速及び操向機の制御装置
JPS58145574A (ja) * 1982-02-23 1983-08-30 Komatsu Ltd 油圧機械式変速及び操向機の直進制御方法
US4594666A (en) * 1983-07-11 1986-06-10 J. I. Case Company Transmission monitor/control microprocessor for continuously variable power train
DE3469287D1 (en) * 1984-02-09 1988-03-17 Moog Gmbh Control circuit, in particular for a tracked vehicle
JPS60175864A (ja) * 1984-02-20 1985-09-10 Sekitan Rotenbori Kikai Gijutsu Kenkyu Kumiai 可変容量ポンプの制御方法
US4663713A (en) * 1984-02-21 1987-05-05 J. I. Case Company Automatic power control for variable power train
US4663714A (en) * 1984-10-18 1987-05-05 J. I. Case Company Synchronized mid-mounted clutch for variable power train
JPH06100261B2 (ja) * 1984-11-15 1994-12-12 石川島播磨重工業株式会社 主軸駆動発電装置
JPS6218887A (ja) * 1985-07-17 1987-01-27 Victor Co Of Japan Ltd カラ−撮像装置
JPS6211385A (ja) * 1985-07-09 1987-01-20 Victor Co Of Japan Ltd カラ−撮像装置
JPS6210986A (ja) * 1985-07-08 1987-01-19 Victor Co Of Japan Ltd カラ−撮像装置
JPS62149290A (ja) * 1985-12-23 1987-07-03 Victor Co Of Japan Ltd カラ−撮像装置
JPS62132066A (ja) * 1985-12-03 1987-06-15 Kubota Ltd 作業車の変速操作構造
US4739616A (en) * 1985-12-13 1988-04-26 Sundstrand Corporation Summing pressure compensation control
JPS62141884A (ja) * 1985-12-17 1987-06-25 Victor Co Of Japan Ltd カラ−撮像装置
JPS62141882A (ja) * 1985-12-17 1987-06-25 Victor Co Of Japan Ltd カラ−撮像装置
JPS63194077U (OSRAM) * 1987-06-02 1988-12-14
GB8821027D0 (en) * 1988-09-07 1988-10-05 Secr Defence Engine/transmission control system
JPH0477841U (OSRAM) * 1990-11-21 1992-07-07
DE4206833C1 (OSRAM) * 1992-03-04 1993-01-28 Hydromatik Gmbh, 7915 Elchingen, De
US5678462A (en) * 1992-03-04 1997-10-21 Hydromatik Gmbh Hydrostatic travelling drive
DE4224359C1 (OSRAM) * 1992-07-23 1993-05-27 Hydromatik Gmbh, 7915 Elchingen, De
DE4303243C2 (de) * 1993-02-04 1995-04-13 Linde Ag Verfahren zum Abgleich der Kennlinien von stufenlos verstellbaren Getrieben eines Fahrzeugs mit beidseitigem Fahrantrieb
US5468126A (en) * 1993-12-23 1995-11-21 Caterpillar Inc. Hydraulic power control system
US5525043A (en) * 1993-12-23 1996-06-11 Caterpillar Inc. Hydraulic power control system
US6170584B1 (en) * 1999-09-29 2001-01-09 Deere & Company Tracked vehicle steering system with steering pump monitoring
US7881844B2 (en) * 2005-07-15 2011-02-01 Cnh America Llc Apparatus and method to vary the sensitivity slope of the FNR control lever of an agricultural windrower
DE602007014209D1 (de) * 2006-07-07 2011-06-09 Hydro Gear Ltd Partnership Elektronisches lenkungssteuerungsgerät
US8950520B2 (en) 2006-07-07 2015-02-10 Hydro-Gear Limited Partnership Front steering module for a zero turn radius vehicle
US7860631B2 (en) * 2006-12-08 2010-12-28 Sauer-Danfoss, Inc. Engine speed control for a low power hydromechanical transmission
US7712555B2 (en) * 2007-06-04 2010-05-11 Clark Equipment Company Steerable series two speed motor configuration
EP2188145B1 (en) 2007-09-11 2014-06-25 Hydro-Gear Limited Partnership Control systems and methods for electric drive utility vehicles
US8207693B2 (en) 2007-09-11 2012-06-26 Hydro-Gear Limited Partnership Controller assemblies for electric drive utility vehicles
US8011678B1 (en) 2007-09-20 2011-09-06 Hydro-Gear Limited Partnership Steering system for a zero-turn radius vehicle
US7795752B2 (en) 2007-11-30 2010-09-14 Caterpillar Inc System and method for integrated power control
US8793002B2 (en) 2008-06-20 2014-07-29 Caterpillar Inc. Torque load control system and method
EP2346709B1 (en) 2008-10-23 2022-03-23 Hydro-Gear Limited Partnership Control systems and methods for electric motors of utility vehicles
US20100120578A1 (en) * 2008-11-07 2010-05-13 Hichem Bouguerra Drive and steering control system for an endless track vehicle
US8058829B2 (en) 2008-11-25 2011-11-15 Caterpillar Inc. Machine control system and method
US9073539B1 (en) 2010-06-22 2015-07-07 Hydro-Gear Limited Partnership Auxiliary battery powered brake release assembly
US8540048B2 (en) 2011-12-28 2013-09-24 Caterpillar Inc. System and method for controlling transmission based on variable pressure limit
US8880300B2 (en) 2012-09-08 2014-11-04 The Toro Company Outdoor power equipment unit with condition responsive electronic control of traction drive system
US9719586B2 (en) 2012-12-21 2017-08-01 Cnh Industrial America Llc Ramping subsystem for a machine with a dual path electronically controlled hydrostatic transmission
US10494019B1 (en) 2018-05-15 2019-12-03 Cnh Industrial America Llc System and method for executing straight tracking control of a work vehicle

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US3572959A (en) * 1969-05-01 1971-03-30 American Standard Inc Coupling controller
US3543654A (en) * 1969-06-19 1970-12-01 Long George Servo controlled hydraulic system
DE2049048C2 (de) * 1970-10-06 1983-03-31 Linde Ag, 6200 Wiesbaden Steuervorrichtung für ein stufenlos verstellbares Getriebe für den Antrieb einer Treibachse eines Fahrzeuges
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US3848690A (en) * 1971-08-02 1974-11-19 Honeywell Inc Vehicle steering control system
BE793095A (fr) * 1971-12-23 1973-06-20 Caterpillar Tractor Co Procede et mecanisme d'ajustement de gain pour systeme de commande hydrostatique
US3795109A (en) * 1972-04-28 1974-03-05 Eaton Corp Hydrostatic transmission drive system

Also Published As

Publication number Publication date
GB1524197A (en) 1978-09-06
DE2537073C2 (OSRAM) 1990-08-30
JPS618307B2 (OSRAM) 1986-03-13
JPS5842860A (ja) 1983-03-12
IT1041859B (it) 1980-01-10
US3914938A (en) 1975-10-28
GB1524196A (en) 1978-09-06
JPS598699B2 (ja) 1984-02-27
DE2537073A1 (de) 1976-03-04
FR2282582B1 (OSRAM) 1981-09-04
FR2282582A1 (fr) 1976-03-19
JPS5149368A (OSRAM) 1976-04-28
BR7505349A (pt) 1976-08-03

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