GB2257482B - Automatic selector device of an epicyclic change-speed gearbox of a motor vehicle - Google Patents

Automatic selector device of an epicyclic change-speed gearbox of a motor vehicle

Info

Publication number
GB2257482B
GB2257482B GB9213314A GB9213314A GB2257482B GB 2257482 B GB2257482 B GB 2257482B GB 9213314 A GB9213314 A GB 9213314A GB 9213314 A GB9213314 A GB 9213314A GB 2257482 B GB2257482 B GB 2257482B
Authority
GB
United Kingdom
Prior art keywords
motor vehicle
selector device
speed gearbox
automatic selector
epicyclic change
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
GB9213314A
Other versions
GB2257482A (en
GB9213314D0 (en
Inventor
Lutz Paulsen
Alfons Muller
Claus Bormann
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
Mercedes Benz AG
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 Daimler Benz AG, Mercedes Benz AG filed Critical Daimler Benz AG
Publication of GB9213314D0 publication Critical patent/GB9213314D0/en
Publication of GB2257482A publication Critical patent/GB2257482A/en
Application granted granted Critical
Publication of GB2257482B publication Critical patent/GB2257482B/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
    • F16H61/04—Smoothing ratio shift
    • F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
    • F16H61/065—Smoothing ratio shift by controlling rate of change of fluid pressure using fluid control means
    • F16H61/067—Smoothing ratio shift by controlling rate of change of fluid pressure using fluid control means using an accumulator
    • 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
    • F16H61/20—Preventing gear creeping ; Transmission control during standstill, e.g. hill hold control
    • 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
    • F16H2061/0488—Smoothing ratio shift during range shift from neutral (N) to drive (D)
    • 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
    • F16H2312/00—Driving activities
    • F16H2312/02—Driving off

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Transmission Device (AREA)
  • Structure Of Transmissions (AREA)
GB9213314A 1991-07-05 1992-06-23 Automatic selector device of an epicyclic change-speed gearbox of a motor vehicle Expired - Fee Related GB2257482B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4122257A DE4122257C1 (en) 1991-07-05 1991-07-05

Publications (3)

Publication Number Publication Date
GB9213314D0 GB9213314D0 (en) 1992-08-05
GB2257482A GB2257482A (en) 1993-01-13
GB2257482B true GB2257482B (en) 1995-05-17

Family

ID=6435488

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9213314A Expired - Fee Related GB2257482B (en) 1991-07-05 1992-06-23 Automatic selector device of an epicyclic change-speed gearbox of a motor vehicle

Country Status (5)

Country Link
JP (1) JP2811616B2 (en)
DE (1) DE4122257C1 (en)
FR (1) FR2678699B1 (en)
GB (1) GB2257482B (en)
IT (1) IT1254414B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69510882T2 (en) * 1994-09-30 2000-03-30 Mazda Motor Corp., Hiroshima Automatic transmission control

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1427113A (en) * 1973-07-30 1976-03-10 Gen Motors Corp Transmission controls
GB2106602A (en) * 1981-09-14 1983-04-13 Ford Motor Co Control system for an automatic transmission

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2321352A1 (en) * 1973-04-27 1974-11-07 Volkswagenwerk Ag HYDRAULIC SHIFTING ARRANGEMENT FOR SELF-ACTING CHANGE-OVER OF AN AUTOMATIC MOTOR VEHICLE TRANSMISSION
WO1990005858A1 (en) * 1984-07-31 1990-05-31 Koji Sumiya Hydraulic servo mechanism for automatic vehicular transmissions
US4840092A (en) * 1986-06-30 1989-06-20 Aisin-Warner Kabushiki Kaisha Hydraulic control device for automatic transmissions

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1427113A (en) * 1973-07-30 1976-03-10 Gen Motors Corp Transmission controls
GB2106602A (en) * 1981-09-14 1983-04-13 Ford Motor Co Control system for an automatic transmission

Also Published As

Publication number Publication date
DE4122257C1 (en) 1992-12-03
GB2257482A (en) 1993-01-13
JPH05209675A (en) 1993-08-20
IT1254414B (en) 1995-09-14
GB9213314D0 (en) 1992-08-05
ITRM920494A0 (en) 1992-06-30
FR2678699A1 (en) 1993-01-08
FR2678699B1 (en) 1995-10-13
ITRM920494A1 (en) 1993-12-30
JP2811616B2 (en) 1998-10-15

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010623