FR2678699B1 - DEVICE FOR AUTOMATICALLY TURNING ON AND OFF AN EPICYCLOUIDAL SPEED CHANGE GEAR OF A MOTOR VEHICLE. - Google Patents

DEVICE FOR AUTOMATICALLY TURNING ON AND OFF AN EPICYCLOUIDAL SPEED CHANGE GEAR OF A MOTOR VEHICLE.

Info

Publication number
FR2678699B1
FR2678699B1 FR9208247A FR9208247A FR2678699B1 FR 2678699 B1 FR2678699 B1 FR 2678699B1 FR 9208247 A FR9208247 A FR 9208247A FR 9208247 A FR9208247 A FR 9208247A FR 2678699 B1 FR2678699 B1 FR 2678699B1
Authority
FR
France
Prior art keywords
epicyclouidal
motor vehicle
speed change
change gear
automatically turning
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
FR9208247A
Other languages
French (fr)
Other versions
FR2678699A1 (en
Inventor
Paulsen Dr Lutz
Muller Alfons
Bormann Claus
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 FR2678699A1 publication Critical patent/FR2678699A1/en
Application granted granted Critical
Publication of FR2678699B1 publication Critical patent/FR2678699B1/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
FR9208247A 1991-07-05 1992-07-03 DEVICE FOR AUTOMATICALLY TURNING ON AND OFF AN EPICYCLOUIDAL SPEED CHANGE GEAR OF A MOTOR VEHICLE. Expired - Fee Related FR2678699B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2678699A1 FR2678699A1 (en) 1993-01-08
FR2678699B1 true FR2678699B1 (en) 1995-10-13

Family

ID=6435488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9208247A Expired - Fee Related FR2678699B1 (en) 1991-07-05 1992-07-03 DEVICE FOR AUTOMATICALLY TURNING ON AND OFF AN EPICYCLOUIDAL SPEED CHANGE GEAR 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
EP0704642B1 (en) * 1994-09-30 1999-07-21 Mazda Motor Corporation Automatic transmission control system

Family Cites Families (5)

* 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
CA1004502A (en) * 1973-07-30 1977-02-01 General Motors Corporation Transmission and control
US4476745A (en) * 1981-09-14 1984-10-16 Ford Motor Company Control system for an automatic transmission having a neutral coast and idle feature
US4748809A (en) * 1984-07-31 1988-06-07 Aisin-Warner Limited Hydraulic servo mechanism of automatic transmission for vehicle
US4840092A (en) * 1986-06-30 1989-06-20 Aisin-Warner Kabushiki Kaisha Hydraulic control device for automatic transmissions

Also Published As

Publication number Publication date
ITRM920494A1 (en) 1993-12-30
FR2678699A1 (en) 1993-01-08
DE4122257C1 (en) 1992-12-03
JP2811616B2 (en) 1998-10-15
GB2257482A (en) 1993-01-13
IT1254414B (en) 1995-09-14
JPH05209675A (en) 1993-08-20
ITRM920494A0 (en) 1992-06-30
GB2257482B (en) 1995-05-17
GB9213314D0 (en) 1992-08-05

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse