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GB2103734B - Shift control device for an automatic transmission - Google Patents

Shift control device for an automatic transmission

Info

Publication number
GB2103734B
GB2103734B GB08200457A GB8200457A GB2103734B GB 2103734 B GB2103734 B GB 2103734B GB 08200457 A GB08200457 A GB 08200457A GB 8200457 A GB8200457 A GB 8200457A GB 2103734 B GB2103734 B GB 2103734B
Authority
GB
United Kingdom
Prior art keywords
control device
automatic transmission
shift control
shift
automatic
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
GB08200457A
Other versions
GB2103734A (en
Inventor
Nobuaki Miki
Mutsumi Kawamoto
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.)
Aisin AW Co Ltd
Original Assignee
Aisin AW Co Ltd
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
Priority claimed from JP10465678A external-priority patent/JPS5533911A/en
Priority claimed from JP12110278A external-priority patent/JPS5547041A/en
Priority claimed from JP13296278A external-priority patent/JPS5560749A/en
Application filed by Aisin AW Co Ltd filed Critical Aisin AW Co Ltd
Publication of GB2103734A publication Critical patent/GB2103734A/en
Application granted granted Critical
Publication of GB2103734B publication Critical patent/GB2103734B/en
Expired 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
    • F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means
    • 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
    • F16H2061/0255—Solenoid valve using PWM or duty-cycle 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
    • F16H61/02—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
    • F16H2061/026—On-off solenoid valve
    • 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
    • F16H2061/044—Smoothing ratio shift when a freewheel device is disengaged or bridged
    • 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
    • F16H2061/0485—Smoothing ratio shift during range shift from neutral (N) to reverse (R)
    • 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)

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
GB08200457A 1978-08-28 1979-08-24 Shift control device for an automatic transmission Expired GB2103734B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10465678A JPS5533911A (en) 1978-08-28 1978-08-28 Shock preventive device at speed change in automatic transmission
JP12110278A JPS5547041A (en) 1978-09-30 1978-09-30 Controller for automatic speed change gear
JP13296278A JPS5560749A (en) 1978-10-28 1978-10-28 Timing gear at the time of speed change in automatic speed change gear

Publications (2)

Publication Number Publication Date
GB2103734A GB2103734A (en) 1983-02-23
GB2103734B true GB2103734B (en) 1983-07-06

Family

ID=27310279

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08200457A Expired GB2103734B (en) 1978-08-28 1979-08-24 Shift control device for an automatic transmission

Country Status (1)

Country Link
GB (1) GB2103734B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4615421A (en) * 1985-03-21 1986-10-07 Eaton Corporation Electro-mechanical shifter for hydraulic transmission
JP3616979B2 (en) * 1997-03-06 2005-02-02 ジヤトコ株式会社 Shift control hydraulic circuit for automatic transmission
CN115076360A (en) * 2022-05-13 2022-09-20 哈尔滨东安汽车发动机制造有限公司 Control method for preventing VBS valve from being clamped and blocked

Also Published As

Publication number Publication date
GB2103734A (en) 1983-02-23

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Legal Events

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

Effective date: 19980824