IT1254414B - Dispositivo automatico di commutazione per cambi di velocita' ad ingranaggi epicicloidali per autoveicoli - Google Patents

Dispositivo automatico di commutazione per cambi di velocita' ad ingranaggi epicicloidali per autoveicoli

Info

Publication number
IT1254414B
IT1254414B ITRM920494A ITRM920494A IT1254414B IT 1254414 B IT1254414 B IT 1254414B IT RM920494 A ITRM920494 A IT RM920494A IT RM920494 A ITRM920494 A IT RM920494A IT 1254414 B IT1254414 B IT 1254414B
Authority
IT
Italy
Prior art keywords
switching device
motor vehicles
automatic switching
pressure
speed gearboxes
Prior art date
Application number
ITRM920494A
Other languages
English (en)
Italian (it)
Inventor
Lutz Paulsen
Alfons Muller
Claus Bormann
Original Assignee
Daimler 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 filed Critical Daimler Benz Ag
Publication of ITRM920494A0 publication Critical patent/ITRM920494A0/it
Publication of ITRM920494A1 publication Critical patent/ITRM920494A1/it
Application granted granted Critical
Publication of IT1254414B publication Critical patent/IT1254414B/it

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)
ITRM920494A 1991-07-05 1992-06-30 Dispositivo automatico di commutazione per cambi di velocita' ad ingranaggi epicicloidali per autoveicoli IT1254414B (it)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
ITRM920494A0 ITRM920494A0 (it) 1992-06-30
ITRM920494A1 ITRM920494A1 (it) 1993-12-30
IT1254414B true IT1254414B (it) 1995-09-14

Family

ID=6435488

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM920494A IT1254414B (it) 1991-07-05 1992-06-30 Dispositivo automatico di commutazione per cambi di velocita' ad ingranaggi epicicloidali per autoveicoli

Country Status (5)

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

Families Citing this family (1)

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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2321352A1 (de) * 1973-04-27 1974-11-07 Volkswagenwerk Ag Hydraulische schaltungsanordnung zum selbsttaetigen umschalten eines automatischen kraftfahrzeuggetriebes
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
JPH05209675A (ja) 1993-08-20
GB2257482A (en) 1993-01-13
FR2678699A1 (fr) 1993-01-08
ITRM920494A0 (it) 1992-06-30
DE4122257C1 (enExample) 1992-12-03
GB2257482B (en) 1995-05-17
JP2811616B2 (ja) 1998-10-15
FR2678699B1 (fr) 1995-10-13
ITRM920494A1 (it) 1993-12-30
GB9213314D0 (en) 1992-08-05

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