GB1365036A - Hydraulic ratio changing system for an automatic transmission - Google Patents

Hydraulic ratio changing system for an automatic transmission

Info

Publication number
GB1365036A
GB1365036A GB955873A GB955873A GB1365036A GB 1365036 A GB1365036 A GB 1365036A GB 955873 A GB955873 A GB 955873A GB 955873 A GB955873 A GB 955873A GB 1365036 A GB1365036 A GB 1365036A
Authority
GB
United Kingdom
Prior art keywords
vibrators
pressure
shifts
electromagnet
hydraulic
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
GB955873A
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.)
Voith Getriebe KG
Original Assignee
Voith Getriebe KG
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 Voith Getriebe KG filed Critical Voith Getriebe KG
Publication of GB1365036A publication Critical patent/GB1365036A/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
    • F16H61/04—Smoothing ratio shift
    • F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
    • F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric 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
    • F16H61/04—Smoothing ratio shift
    • F16H61/08—Timing control

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Gear-Shifting Mechanisms (AREA)
GB955873A 1972-02-29 1973-02-27 Hydraulic ratio changing system for an automatic transmission Expired GB1365036A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722209447 DE2209447C2 (de) 1972-02-29 1972-02-29 Hydraulische Schalteinrichtung mit Schaltdruckregelung für ein Lastschaltgetriebe

Publications (1)

Publication Number Publication Date
GB1365036A true GB1365036A (en) 1974-08-29

Family

ID=5837376

Family Applications (1)

Application Number Title Priority Date Filing Date
GB955873A Expired GB1365036A (en) 1972-02-29 1973-02-27 Hydraulic ratio changing system for an automatic transmission

Country Status (5)

Country Link
JP (1) JPS4899561A (enrdf_load_stackoverflow)
DE (1) DE2209447C2 (enrdf_load_stackoverflow)
FR (1) FR2174627A5 (enrdf_load_stackoverflow)
GB (1) GB1365036A (enrdf_load_stackoverflow)
IT (1) IT977916B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518064A (en) * 1981-01-30 1985-05-21 Automotive Products Limited Clutch control means

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1463498A (en) * 1973-05-08 1977-02-02 Automotive Prod Co Ltd Motor vehicle automatic gearboxes
DE2947897A1 (de) * 1979-11-28 1981-07-23 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische regeleinrichtung fuer lastschaltgetriebe
JPS5712152A (en) * 1980-06-25 1982-01-22 Aisin Warner Ltd Oil pressure regulator for automatic transmission
EP0058477B1 (en) * 1981-02-12 1986-08-13 Automotive Products Public Limited Company Improvements in or relating to automatic transmissions
JPS6159049A (ja) * 1985-06-07 1986-03-26 Yanmar Agricult Equip Co Ltd 走行型作業機の変速制御方法
JPS6159052A (ja) * 1985-06-07 1986-03-26 Yanmar Agricult Equip Co Ltd 走行型作業機の変速制御方法
DE3607329A1 (de) * 1986-03-06 1987-09-17 Voith Gmbh J M Steuereinrichtung fuer ein schaltgetriebe
DE3835295A1 (de) * 1988-10-17 1990-04-19 Rexroth Mannesmann Gmbh Ventilanordnung fuer die steuerung eines getriebes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518064A (en) * 1981-01-30 1985-05-21 Automotive Products Limited Clutch control means

Also Published As

Publication number Publication date
JPS4899561A (enrdf_load_stackoverflow) 1973-12-17
DE2209447C2 (de) 1974-03-14
FR2174627A5 (enrdf_load_stackoverflow) 1973-10-12
IT977916B (it) 1974-09-20
DE2209447B1 (de) 1973-08-16

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee