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IT1067976B - AUTOMATIC SPEED CHANGE FOR MOTOR VEHICLES - Google Patents

AUTOMATIC SPEED CHANGE FOR MOTOR VEHICLES

Info

Publication number
IT1067976B
IT1067976B IT19270/76A IT1927076A IT1067976B IT 1067976 B IT1067976 B IT 1067976B IT 19270/76 A IT19270/76 A IT 19270/76A IT 1927076 A IT1927076 A IT 1927076A IT 1067976 B IT1067976 B IT 1067976B
Authority
IT
Italy
Prior art keywords
speed change
motor vehicles
automatic speed
automatic
vehicles
Prior art date
Application number
IT19270/76A
Other languages
Italian (it)
Original Assignee
Renk Ag Zahnraeder
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 Renk Ag Zahnraeder filed Critical Renk Ag Zahnraeder
Application granted granted Critical
Publication of IT1067976B publication Critical patent/IT1067976B/en

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
    • F16H61/20—Preventing gear creeping ; Transmission control during standstill, e.g. hill hold control

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
IT19270/76A 1975-10-13 1976-01-15 AUTOMATIC SPEED CHANGE FOR MOTOR VEHICLES IT1067976B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752545798 DE2545798A1 (en) 1975-10-13 1975-10-13 Idling control for automatic transmission - with drive disconnected at idling speed and with vehicle stopped

Publications (1)

Publication Number Publication Date
IT1067976B true IT1067976B (en) 1985-03-21

Family

ID=5959029

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19270/76A IT1067976B (en) 1975-10-13 1976-01-15 AUTOMATIC SPEED CHANGE FOR MOTOR VEHICLES

Country Status (3)

Country Link
DE (1) DE2545798A1 (en)
IT (1) IT1067976B (en)
SE (1) SE7600272L (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2833641C2 (en) * 1978-08-01 1983-03-10 Volkswagenwerk Ag, 3180 Wolfsburg HYDRAULIC CONTROL DEVICE FOR AN AUTOMATIC MOTOR VEHICLE TRANSMISSION
DE2843615A1 (en) 1978-10-06 1980-04-10 Volkswagenwerk Ag HYDRAULIC CONTROL DEVICE FOR AN AUTOMATIC TRANSMISSION FOR MOTOR VEHICLES
FR2432401A1 (en) * 1978-08-01 1980-02-29 Volkswagenwerk Ag HYDRAULIC DEVICE FOR CONTROLLING AN AUTOMATIC TRANSMISSION OF A MOTOR VEHICLE
DE2933075C2 (en) * 1979-08-16 1984-04-19 Zahnraederfabrik Renk Ag, 8900 Augsburg Drive and brake systems for motor vehicles
DE3016620A1 (en) * 1980-04-30 1981-11-05 Volkswagenwerk Ag, 3180 Wolfsburg DRIVE UNIT
DE3019274A1 (en) * 1980-05-21 1981-11-26 Volkswagenwerk Ag, 3180 Wolfsburg Automatic transmission control for motor vehicle - prevents creep and permits drive disconnection when engine power is off
US4526065A (en) * 1982-09-20 1985-07-02 Ford Motor Company Automatic transmission brake-neutral control circuit
US4643049A (en) * 1983-09-20 1987-02-17 Honda Giken Kogyo Kabushiki Kaisha Control system for a hydraulic transmission to prevent vehicle creep
DE3446373A1 (en) * 1983-12-20 1985-07-04 Nissan Motor Co., Ltd., Yokohama, Kanagawa ARRANGEMENT IN AUTOMATIC GEARBOXES TO PREVENT CRACKING
DE10033202A1 (en) * 2000-07-07 2002-01-17 Zahnradfabrik Friedrichshafen Reversing gear for switching under load has electric valve always breaking connecting line to forward-gear and reverse gear clutches when pedal is not being used

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR948772A (en) * 1947-06-14 1949-08-10 Advanced freewheel system for vehicles with an electromagnetic gearbox
US2605872A (en) * 1949-12-16 1952-08-05 Bendix Aviat Corp Clutch control mechanism
DE1123569B (en) * 1958-07-23 1962-02-08 Fichtel & Sachs Ag Control device for an auxiliary motor vehicle clutch
US3017974A (en) * 1959-05-11 1962-01-23 Gen Motors Corp Transmission clutch control
JPS4938047A (en) * 1972-08-24 1974-04-09

Also Published As

Publication number Publication date
SE7600272L (en) 1977-04-14
DE2545798A1 (en) 1977-04-21
DE2545798C2 (en) 1988-03-17

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