GB2117462B - Transmission control method and transmission control device providing snappy downshifting - Google Patents

Transmission control method and transmission control device providing snappy downshifting

Info

Publication number
GB2117462B
GB2117462B GB08305298A GB8305298A GB2117462B GB 2117462 B GB2117462 B GB 2117462B GB 08305298 A GB08305298 A GB 08305298A GB 8305298 A GB8305298 A GB 8305298A GB 2117462 B GB2117462 B GB 2117462B
Authority
GB
United Kingdom
Prior art keywords
transmission control
snappy
downshifting
device providing
control device
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
GB08305298A
Other versions
GB2117462A (en
GB8305298D0 (en
Inventor
Hiroshi Ito
Shigemichi Yamada
Teruo Akashi
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 JP57031608A external-priority patent/JPS58149448A/en
Priority claimed from JP57033298A external-priority patent/JPS58149449A/en
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of GB8305298D0 publication Critical patent/GB8305298D0/en
Publication of GB2117462A publication Critical patent/GB2117462A/en
Application granted granted Critical
Publication of GB2117462B publication Critical patent/GB2117462B/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
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/10—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with one or more one-way clutches as an essential feature
    • 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
    • F16H2306/00—Shifting
    • 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
    • F16H2306/00—Shifting
    • F16H2306/40—Shifting activities
    • F16H2306/44—Removing torque from current gears
    • 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
    • F16H2306/00—Shifting
    • F16H2306/40—Shifting activities
    • F16H2306/52—Applying torque to new gears
    • 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
    • F16H61/68—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 specially adapted for stepped gearings
    • F16H61/684—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 specially adapted for stepped gearings without interruption of drive
    • F16H61/688—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 specially adapted for stepped gearings without interruption of drive with two inputs, e.g. selection of one of two torque-flow paths by clutches

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)
  • Control Of Transmission Device (AREA)
GB08305298A 1982-02-27 1983-02-25 Transmission control method and transmission control device providing snappy downshifting Expired GB2117462B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57031608A JPS58149448A (en) 1982-02-27 1982-02-27 Speed change controlling method of vehicular automatic transmission
JP57033298A JPS58149449A (en) 1982-03-02 1982-03-02 Speed change controlling method of vehicular automatic transmission

Publications (3)

Publication Number Publication Date
GB8305298D0 GB8305298D0 (en) 1983-03-30
GB2117462A GB2117462A (en) 1983-10-12
GB2117462B true GB2117462B (en) 1985-09-25

Family

ID=26370106

Family Applications (2)

Application Number Title Priority Date Filing Date
GB08305298A Expired GB2117462B (en) 1982-02-27 1983-02-25 Transmission control method and transmission control device providing snappy downshifting
GB08305297A Expired GB2117068B (en) 1982-02-27 1983-02-25 Transmission control method and transmission control device providing overlapped engagement of power transmission systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB08305297A Expired GB2117068B (en) 1982-02-27 1983-02-25 Transmission control method and transmission control device providing overlapped engagement of power transmission systems

Country Status (1)

Country Link
GB (2) GB2117462B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4558612A (en) * 1981-11-30 1985-12-17 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Vehicular automatic speed change gear assembly
GB8406969D0 (en) * 1984-03-16 1984-04-18 Automotive Prod Plc Change speed transmission
USRE33336E (en) * 1984-03-16 1990-09-18 Automotive Products Plc Change speed transmission
JPH0665907B2 (en) * 1984-04-18 1994-08-24 株式会社日立製作所 Transmission control device
JPS6145163A (en) * 1984-08-10 1986-03-05 Hitachi Ltd Automatic speed change system
US4790418A (en) * 1987-04-30 1988-12-13 Ford Motor Company Transmission clutch loop transfer control
DE8902056U1 (en) * 1989-02-22 1990-06-21 Carl Hurth Maschinen- und Zahnradfabrik GmbH & Co, 8000 München Device for testing synchronization units
JP3161853B2 (en) * 1993-01-20 2001-04-25 株式会社クボタ Work vehicle traveling speed change structure
DE19859458B4 (en) * 1997-12-23 2007-11-22 Luk Gs Verwaltungs Kg transmission
JP3823728B2 (en) 1998-12-03 2006-09-20 株式会社日立製作所 Automatic transmission system
DE10101861A1 (en) 2001-01-17 2002-07-18 Zahnradfabrik Friedrichshafen Controlling/regulating vehicle drive train involves setting transmission clutch capability if upshift command present so applied drive is transferred, suddenly connecting idler, gear wheel pair
DE10101863A1 (en) 2001-01-17 2002-07-18 Zahnradfabrik Friedrichshafen Controlling/regulating drive train involves rapidly reducing torque if upshift signal arises so first drive train oscillation stimulated, abruptly engaging new gear by connecting idler, gear pair

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB602319A (en) * 1944-11-07 1948-05-25 Howard Frederick Hobbs Improvements in or relating to variable-ratio power transmission mechanism
US2466318A (en) * 1945-08-22 1949-04-05 Ford Motor Co Automatic transmission and overdrive
GB699039A (en) * 1950-05-23 1953-10-28 Daimler Benz Ag Improvements relating to change-speed gears comprising fluid clutches
GB863651A (en) * 1957-06-26 1961-03-22 Daimler Benz Ag Improvements relating to disengageable clutch arrangements
DE1097827B (en) * 1959-04-20 1961-01-19 Hugo Rambausek Gear change transmission, especially for motor vehicles
DE1293043B (en) * 1960-09-12 1969-04-17 Sira S R L Friction clutch for motor vehicles
GB1114167A (en) * 1965-11-26 1968-05-15 Voith Getriebe Kg Hydro-mechanical compound transmission
US3362245A (en) * 1965-12-23 1968-01-09 Massey Ferguson Inc Powershift transmission
US3709068A (en) * 1969-12-29 1973-01-09 Y Mohri Power transmission
GB1349936A (en) * 1970-09-23 1974-04-10 Brown Gear Ind Change-speed gear-boxes
US4033200A (en) * 1975-04-24 1977-07-05 Ford Motor Company Five speed overdrive transmission

Also Published As

Publication number Publication date
GB2117068A (en) 1983-10-05
GB2117462A (en) 1983-10-12
GB2117068B (en) 1985-09-25
GB8305297D0 (en) 1983-03-30
GB8305298D0 (en) 1983-03-30

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Legal Events

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

Effective date: 19950225