DE2633920A1 - Steuerung fuer ein hydrostatisches getriebe - Google Patents

Steuerung fuer ein hydrostatisches getriebe

Info

Publication number
DE2633920A1
DE2633920A1 DE19762633920 DE2633920A DE2633920A1 DE 2633920 A1 DE2633920 A1 DE 2633920A1 DE 19762633920 DE19762633920 DE 19762633920 DE 2633920 A DE2633920 A DE 2633920A DE 2633920 A1 DE2633920 A1 DE 2633920A1
Authority
DE
Germany
Prior art keywords
speed
transmission
drive
signal
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.)
Withdrawn
Application number
DE19762633920
Other languages
German (de)
English (en)
Inventor
Thomas Joseph Bubula
Maurice Flavian Franz
Gordon Wilford Johnson
James Domonic Rinaldo
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 Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of DE2633920A1 publication Critical patent/DE2633920A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/38Control of exclusively fluid gearing
    • F16H61/40Control of exclusively fluid gearing hydrostatic
    • F16H61/46Automatic regulation in accordance with output requirements
    • F16H61/465Automatic regulation in accordance with output requirements for achieving a target input speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/38Control of exclusively fluid gearing
    • F16H61/40Control of exclusively fluid gearing hydrostatic
    • F16H61/46Automatic regulation in accordance with output requirements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/38Control of exclusively fluid gearing
    • F16H61/40Control of exclusively fluid gearing hydrostatic
    • F16H61/42Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/423Motor capacity control by fluid pressure control means
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/19Gearing
    • Y10T74/19149Gearing with fluid drive
    • Y10T74/19153Condition responsive control

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Transmission Device (AREA)
  • Motor Power Transmission Devices (AREA)
  • Arrangement Of Transmissions (AREA)
  • General Details Of Gearings (AREA)
DE19762633920 1975-09-02 1976-07-28 Steuerung fuer ein hydrostatisches getriebe Withdrawn DE2633920A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/609,637 US4080850A (en) 1975-09-02 1975-09-02 Controls for combined hydrostatic and multiple speed range transmission units with automatic speed control and braking functions

Publications (1)

Publication Number Publication Date
DE2633920A1 true DE2633920A1 (de) 1977-03-10

Family

ID=24441650

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762633920 Withdrawn DE2633920A1 (de) 1975-09-02 1976-07-28 Steuerung fuer ein hydrostatisches getriebe

Country Status (5)

Country Link
US (1) US4080850A (enExample)
JP (2) JPS5231426A (enExample)
CA (1) CA1057084A (enExample)
DE (1) DE2633920A1 (enExample)
GB (4) GB1536578A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009631A1 (en) * 1978-09-25 1980-04-16 Caterpillar Tractor Co. Control circuit for variable displacement pump with venturi bypass control
DE102024108900A1 (de) * 2024-03-28 2025-10-02 Kässbohrer Geländefahrzeug Aktiengesellschaft Pistenraupe mit einem Kettenlaufwerk

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4246806A (en) * 1978-01-16 1981-01-27 Sundstrand Corporation Multi-mode hydromechanical transmission shift system
JPS6215915Y2 (enExample) * 1979-10-12 1987-04-22
WO1982000617A1 (en) * 1980-08-20 1982-03-04 Schexnayder L Hydrostatic transmission having an overspeed control
US4399653A (en) * 1980-03-14 1983-08-23 Pylat Jr John A Automatic adjusting deceleration control for a hydrostatically powered device
US4365473A (en) * 1980-08-20 1982-12-28 Caterpillar Tractor Co. Hydrostatic transmission having an overspeed control
US4401182A (en) * 1980-12-10 1983-08-30 Sundstrand Corporation Variable displacement hydraulic drive with disconnect
GB2161553B (en) * 1983-01-13 1989-01-25 Osa Ab Synchronised mechanical hydrostatic transmission
JPS6018647A (ja) * 1983-07-08 1985-01-30 Toyota Motor Corp 車両用無段変速機の制御方法
US4766779A (en) * 1984-03-05 1988-08-30 Fabco Automotive Corporation Hydrostatic transmission assembly and method of increasing the torque and speed range thereof
EP0270190B1 (en) * 1986-12-01 1992-09-02 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system
DE3871824T2 (de) * 1987-03-09 1993-01-07 Hitachi Construction Machinery Kreislauf fuer einen hydraulischen antrieb.
US5435131A (en) * 1994-04-11 1995-07-25 Caterpillar Inc. Adaptive overspeed control for a hydrostatic transmission
US5787374A (en) * 1995-10-25 1998-07-28 Caterpillar Paving Products, Inc. Propulsion control apparatus and method for a paver
USRE38632E1 (en) * 1995-10-25 2004-10-19 Caterpillar Paving Products Inc Propulsion control apparatus and method for a paver
US7146263B2 (en) * 2003-09-30 2006-12-05 Caterpillar Inc Predictive load management system
CN101689056B (zh) * 2007-05-31 2014-03-05 卡特彼勒公司 具有主动卸载的发电机组控制系统
EP2150886B1 (en) * 2007-05-31 2015-07-22 Caterpillar, Inc. System and method for engine load management
US20150101322A1 (en) 2013-10-14 2015-04-16 Brian Riskas System architecture for mobile hydraulic equipment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1045278A (en) * 1962-09-26 1966-10-12 Dowty Hydraulic Units Ltd Power transmission
GB1062253A (en) * 1962-12-06 1967-03-22 Dowty Hydraulic Units Ltd A hydrostatic power transmission and step change mechanical gear box arranged in series
US3477225A (en) * 1967-06-14 1969-11-11 Caterpillar Tractor Co Hydrostatic transmission control system
US3463034A (en) * 1967-10-23 1969-08-26 Cessna Aircraft Co Acceleration control for variable speed transmissions
DE2015945A1 (de) * 1970-04-03 1971-10-21 Daimler-Benz AG, 7000 Stuttgart-Untertürkheim Getriebe, insbesondere für Kraftfahrzeuge
US3877224A (en) * 1973-12-21 1975-04-15 Caterpillar Tractor Co Single pump hydrostatic transmission control and supply system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009631A1 (en) * 1978-09-25 1980-04-16 Caterpillar Tractor Co. Control circuit for variable displacement pump with venturi bypass control
DE102024108900A1 (de) * 2024-03-28 2025-10-02 Kässbohrer Geländefahrzeug Aktiengesellschaft Pistenraupe mit einem Kettenlaufwerk

Also Published As

Publication number Publication date
GB1536579A (en) 1978-12-20
JPS5231426A (en) 1977-03-09
CA1057084A (en) 1979-06-26
US4080850A (en) 1978-03-28
GB1536577A (en) 1978-12-20
GB1536580A (en) 1978-12-20
JPS5647428B2 (enExample) 1981-11-10
JPS5297520A (en) 1977-08-16
JPS5647429B2 (enExample) 1981-11-10
GB1536578A (en) 1978-12-20

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8139 Disposal/non-payment of the annual fee