GB1469484A - Electro-hydraulic actuating device for a motor vehicle gear box - Google Patents

Electro-hydraulic actuating device for a motor vehicle gear box

Info

Publication number
GB1469484A
GB1469484A GB1692574A GB1692574A GB1469484A GB 1469484 A GB1469484 A GB 1469484A GB 1692574 A GB1692574 A GB 1692574A GB 1692574 A GB1692574 A GB 1692574A GB 1469484 A GB1469484 A GB 1469484A
Authority
GB
United Kingdom
Prior art keywords
pressure
spool
outlet
valve
plunger
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
GB1692574A
Other languages
English (en)
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1469484A publication Critical patent/GB1469484A/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
    • F16H61/02—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 characterised by the signals used
    • F16H61/0202—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 characterised by the signals used the signals being electric
    • F16H61/0251—Elements specially adapted for electric control units, e.g. valves for converting electrical signals to fluid signals
    • 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
    • F16H61/0021—Generation or control of line pressure
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive
    • Y10T137/264—Electrical control

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Control Of Fluid Gearings (AREA)
  • Multiple-Way Valves (AREA)
  • Gear-Shifting Mechanisms (AREA)
GB1692574A 1973-04-19 1974-04-18 Electro-hydraulic actuating device for a motor vehicle gear box Expired GB1469484A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2319961A DE2319961A1 (de) 1973-04-19 1973-04-19 Elektrohydraulische schaltvorrichtung fuer fahrzeuggetriebe

Publications (1)

Publication Number Publication Date
GB1469484A true GB1469484A (en) 1977-04-06

Family

ID=5878675

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1692574A Expired GB1469484A (en) 1973-04-19 1974-04-18 Electro-hydraulic actuating device for a motor vehicle gear box

Country Status (8)

Country Link
US (1) US3958466A (enExample)
JP (1) JPS5012470A (enExample)
DE (1) DE2319961A1 (enExample)
FR (1) FR2226836A5 (enExample)
GB (1) GB1469484A (enExample)
IT (1) IT1006492B (enExample)
NL (1) NL7405269A (enExample)
SE (1) SE7405230L (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008099005A1 (en) * 2007-02-15 2008-08-21 Gm Global Technology Operations, Inc. Device for actuating a clutch in an automatic transmission

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5281468A (en) * 1975-12-27 1977-07-07 Nissan Motor Co Ltd Automatic transmission
JPS5944536B2 (ja) * 1977-08-10 1984-10-30 アイシン精機株式会社 自動車の無段変速機の速度比自動制御装置
DE2738914C2 (de) * 1977-08-29 1982-05-06 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zum Schalten von Stufengetrieben in Kraftfahrzeugen
DE2744286A1 (de) * 1977-10-01 1979-04-12 Bosch Gmbh Robert Vorrichtung zum schalten von stufengetrieben in kraftfahrzeugen
JPS56160454A (en) * 1980-05-14 1981-12-10 Aisin Seiki Co Ltd Velocity ratio control unit for a stepless transmission
DE3121160A1 (de) * 1980-05-27 1982-03-18 Aisin Seiki K.K., Kariya, Aichi "steuervorrichtung zur steuerung des uebersetzungsverhaeltnisses eines getriebes fuer ein kraftfahrzeug"
US4463628A (en) * 1982-04-01 1984-08-07 Deere & Company Transmission control interface mechanism
US4567909A (en) * 1983-03-10 1986-02-04 Litton Systems, Inc. Oxygen partial pressure controller for a pressure swing adsorption system
US4589436A (en) * 1983-03-10 1986-05-20 Litton Systems, Inc. Oxygen partial pressure controller for a pressure swing adsorption system
US4643049A (en) * 1983-09-20 1987-02-17 Honda Giken Kogyo Kabushiki Kaisha Control system for a hydraulic transmission to prevent vehicle creep
AT383315B (de) * 1984-10-12 1987-06-25 Steyr Daimler Puch Ag Antriebsanordnung fuer kraftfahrzeuge mit zwei getriebenen achsen
USD481403S1 (en) 2002-02-19 2003-10-28 Japan Storage Battery Co., Ltd. Gear case for an electro-hydraulic apparatus
USD481745S1 (en) 2002-08-14 2003-11-04 Japan Storage Battery Co., Ltd. Gear case for an electro-hydraulic apparatus
JP4987729B2 (ja) * 2005-01-10 2012-07-25 イナジー・オートモーティブ・システムズ・リサーチ・（ソシエテ・アノニム） 電子制御式の電気機械バルブ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225619A (en) * 1962-12-03 1965-12-28 Gen Motors Corp Transmission control system
DE1917291A1 (de) * 1969-04-03 1970-10-15 Daimler Benz Ag Druckregelvorrichtung fuer hydraulisch geschaltete automatische Getriebe,insbesondere fuer Kraftfahrzeuge
JPS4833304B1 (enExample) * 1969-08-06 1973-10-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008099005A1 (en) * 2007-02-15 2008-08-21 Gm Global Technology Operations, Inc. Device for actuating a clutch in an automatic transmission

Also Published As

Publication number Publication date
NL7405269A (enExample) 1974-10-22
JPS5012470A (enExample) 1975-02-08
SE7405230L (enExample) 1974-10-21
FR2226836A5 (enExample) 1974-11-15
IT1006492B (it) 1976-09-30
DE2319961A1 (de) 1974-11-07
US3958466A (en) 1976-05-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee