GB1463498A - Motor vehicle automatic gearboxes - Google Patents

Motor vehicle automatic gearboxes

Info

Publication number
GB1463498A
GB1463498A GB349674A GB349674A GB1463498A GB 1463498 A GB1463498 A GB 1463498A GB 349674 A GB349674 A GB 349674A GB 349674 A GB349674 A GB 349674A GB 1463498 A GB1463498 A GB 1463498A
Authority
GB
United Kingdom
Prior art keywords
pressure
valve
solenoid
energizing
shift
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
Application number
GB349674A
Other languages
English (en)
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.)
Automotive Products PLC
Original Assignee
Automotive Products PLC
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 Automotive Products PLC filed Critical Automotive Products PLC
Priority to GB349674A priority Critical patent/GB1463498A/en
Priority to FR7415718A priority patent/FR2228986B1/fr
Priority to JP49049864A priority patent/JPS5026952A/ja
Priority to IT5082474A priority patent/IT1016101B/it
Priority to DE19742422296 priority patent/DE2422296A1/de
Publication of GB1463498A publication Critical patent/GB1463498A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/02Control 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
    • F16H61/0202Control 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
    • F16H61/0204Control 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 for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0206Layout of electro-hydraulic control circuits, e.g. arrangement of valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/04Smoothing ratio shift
    • F16H61/06Smoothing ratio shift by controlling rate of change of fluid pressure
    • F16H61/061Smoothing 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)
GB349674A 1973-05-08 1974-01-25 Motor vehicle automatic gearboxes Expired GB1463498A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB349674A GB1463498A (en) 1973-05-08 1974-01-25 Motor vehicle automatic gearboxes
FR7415718A FR2228986B1 (enrdf_load_stackoverflow) 1973-05-08 1974-05-07
JP49049864A JPS5026952A (enrdf_load_stackoverflow) 1973-05-08 1974-05-07
IT5082474A IT1016101B (it) 1973-05-08 1974-05-07 Perfezionamento nei cambi automati ci per autoveicoli
DE19742422296 DE2422296A1 (de) 1973-05-08 1974-05-08 Automatisches getriebe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2190873 1973-05-08
GB349674A GB1463498A (en) 1973-05-08 1974-01-25 Motor vehicle automatic gearboxes

Publications (1)

Publication Number Publication Date
GB1463498A true GB1463498A (en) 1977-02-02

Family

ID=26238355

Family Applications (1)

Application Number Title Priority Date Filing Date
GB349674A Expired GB1463498A (en) 1973-05-08 1974-01-25 Motor vehicle automatic gearboxes

Country Status (5)

Country Link
JP (1) JPS5026952A (enrdf_load_stackoverflow)
DE (1) DE2422296A1 (enrdf_load_stackoverflow)
FR (1) FR2228986B1 (enrdf_load_stackoverflow)
GB (1) GB1463498A (enrdf_load_stackoverflow)
IT (1) IT1016101B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2901051A1 (de) * 1979-01-12 1980-07-24 Bosch Gmbh Robert Hydraulische regeleinrichtung fuer die schaltelemente von lastschaltgetrieben
JPS5694945U (enrdf_load_stackoverflow) * 1979-12-21 1981-07-28
JPS6086947U (ja) * 1983-11-17 1985-06-14 三菱化学株式会社 プロセス用分析装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2209447C2 (de) * 1972-02-29 1974-03-14 Voith Getriebe Kg, 7920 Heidenheim Hydraulische Schalteinrichtung mit Schaltdruckregelung für ein Lastschaltgetriebe

Also Published As

Publication number Publication date
FR2228986B1 (enrdf_load_stackoverflow) 1978-11-17
JPS5026952A (enrdf_load_stackoverflow) 1975-03-20
FR2228986A1 (enrdf_load_stackoverflow) 1974-12-06
DE2422296A1 (de) 1974-11-28
IT1016101B (it) 1977-05-30

Similar Documents

Publication Publication Date Title
US4346627A (en) Shift control device for an automatic transmission
US3656373A (en) Control system for an automatic transmission
JPS6240572B2 (enrdf_load_stackoverflow)
US3321056A (en) Transmission and control system
FR1561833A (enrdf_load_stackoverflow)
US3651714A (en) Hydraulic control system for an automatic transmission
US2903910A (en) Transmission and control system
US3656372A (en) Transmission control
GB1489353A (en) Transmission assemblies
US4052930A (en) Electric and hydraulic servomechanism controlling device
US3703110A (en) Hydraulic control system for an automatic transmission
US3670599A (en) Automatic transmission controls
GB1236040A (en) Hydraulic control system for automatic transmission
US3110198A (en) Transmission control system
US3523597A (en) Automatic power transmission control system whereby application of vehicle brakes downshifts the transmission
US3847179A (en) Transmission control with pressure boost system
GB1463498A (en) Motor vehicle automatic gearboxes
US5144866A (en) Shift control system for automatic transmission
US4867014A (en) Accumulator/friction element arrangement for automatic transmission
US3968707A (en) Hydraulic speed-changing system
US3701294A (en) Hydraulic control system for automatic transmission
US3572177A (en) Automatic transmission
US3543611A (en) Hydraulic control system of an automatic transmission
GB1191388A (en) Automatic Control Valve System for a Multiple Ratio Power Transmission Mechanism.
US3543610A (en) Hydraulic control system in an automatic transmission

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee