IT1066871B - Cambio di velocita per veicoli a motore - Google Patents

Cambio di velocita per veicoli a motore

Info

Publication number
IT1066871B
IT1066871B IT26358/76A IT2635876A IT1066871B IT 1066871 B IT1066871 B IT 1066871B IT 26358/76 A IT26358/76 A IT 26358/76A IT 2635876 A IT2635876 A IT 2635876A IT 1066871 B IT1066871 B IT 1066871B
Authority
IT
Italy
Prior art keywords
speed change
motor vehicles
vehicles
motor
speed
Prior art date
Application number
IT26358/76A
Other languages
English (en)
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of IT1066871B publication Critical patent/IT1066871B/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
    • F16H61/02—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
IT26358/76A 1975-08-20 1976-08-19 Cambio di velocita per veicoli a motore IT1066871B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2537006A DE2537006C2 (de) 1975-08-20 1975-08-20 Wechselgetriebe für Kraftfahrzeuge

Publications (1)

Publication Number Publication Date
IT1066871B true IT1066871B (it) 1985-03-12

Family

ID=5954374

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26358/76A IT1066871B (it) 1975-08-20 1976-08-19 Cambio di velocita per veicoli a motore

Country Status (7)

Country Link
US (1) US4094211A (it)
JP (1) JPS5225975A (it)
DE (1) DE2537006C2 (it)
FR (1) FR2321640A1 (it)
GB (1) GB1547276A (it)
IT (1) IT1066871B (it)
SE (1) SE434489B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4262554A (en) * 1978-08-18 1981-04-21 S.R.M. Hydromekanik Aktiebolag Hydraulic valve system for controlling particularly a vehicle gearbox
DE2901051A1 (de) * 1979-01-12 1980-07-24 Bosch Gmbh Robert Hydraulische regeleinrichtung fuer die schaltelemente von lastschaltgetrieben
DE2931744A1 (de) * 1979-08-04 1981-02-26 Bosch Gmbh Robert Verfahren und vorrichtung zur steuerung eines kfz.-getriebes
US4338832A (en) * 1980-02-11 1982-07-13 Twin Disc, Incorporated System for shiftable multi-speed hydraulically operated power transmission and electronic controller therein
JPS56147948A (en) * 1980-04-15 1981-11-17 Aisin Warner Ltd Shift control mechanism in automatic speed changer for vehicle
US4373619A (en) * 1980-04-07 1983-02-15 Grad-Line, Inc. Transmission control system
JPS5868534A (ja) * 1981-10-16 1983-04-23 Mitsubishi Electric Corp 自動車用自動変速機の変速制御装置
WO1984000627A1 (en) * 1982-08-04 1984-02-16 Ford Werke Ag Solenoid operated pressure regulation
US4527448A (en) * 1982-12-27 1985-07-09 Ford Motor Company Hydraulic control system for electronic transmission control
US4541308A (en) * 1982-12-27 1985-09-17 Ford Motor Company Hydraulic control system for electronic transmission control
EP0128470B1 (en) * 1983-06-01 1988-04-20 Mazda Motor Corporation Control means for vehicle automatic transmissions
US4813307A (en) * 1984-04-10 1989-03-21 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Method of controlling hydraulic pressure for an automatic transmission gear system
FR2570521B1 (fr) * 1984-09-18 1987-12-11 Renault Dispositif de regulation a deux domaines de pression
US4678006A (en) * 1986-03-24 1987-07-07 Lectron Products, Inc. Electrically operated automatic transmission controller assembly
US4756213A (en) * 1987-06-01 1988-07-12 Saturn Corporation Transmission control with a clutch priority valve
US5228365A (en) * 1991-06-10 1993-07-20 General Motors Corporation Electronic range selection apparatus for a vehicular automatic transmission
US5577584A (en) * 1994-10-03 1996-11-26 Ford Motor Company Multiple pressure-to-current relations in a system having a solenoid-operated hydraulic valve
DE19735820B4 (de) * 1997-08-18 2005-08-18 Daimlerchrysler Ag Schaltvorrichtung eines Wechselgetriebes mit Druckregelventilen für den Arbeitsdruck und einen Versorgungsdruck
EP1312836B1 (de) * 2001-11-20 2005-06-29 Ford Global Technologies, LLC Hydraulisches Servo-System

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1907653A1 (de) * 1969-02-15 1970-09-03 Daimler Benz Ag Regelvorrichtung fuer automatische Getriebe von Kraftfahrzeugen mit stark wechselnder Last
US3724295A (en) * 1969-08-21 1973-04-03 Nippon Denso Co Automatic transmission control system for automotive transmission of vehicles
JPS4930051B1 (it) * 1969-12-22 1974-08-09
SE356936B (it) * 1970-03-19 1973-06-12 Zahnradfabrik Friedrichshafen
JPS5112777B1 (it) * 1970-04-04 1976-04-22
JPS5218345B2 (it) * 1971-12-08 1977-05-20
DE2250440A1 (de) * 1972-10-14 1974-04-18 Bosch Gmbh Robert Anordnung zum steuern des hauptdrucks in automatischen getriebesteuervorrichtungen
DE2352939C2 (de) * 1973-10-23 1984-07-05 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische Steuervorrichtung, insbesondere für eine Gangwechseleinrichtung in automatischen Kraftfahrzeuggetrieben

Also Published As

Publication number Publication date
FR2321640A1 (fr) 1977-03-18
FR2321640B1 (it) 1983-04-15
DE2537006A1 (de) 1977-03-03
DE2537006C2 (de) 1983-11-03
GB1547276A (en) 1979-06-06
SE434489B (sv) 1984-07-30
JPS5225975A (en) 1977-02-26
US4094211A (en) 1978-06-13
SE7609224L (sv) 1977-02-21

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