GB1447324A - Transmission assemblies - Google Patents

Transmission assemblies

Info

Publication number
GB1447324A
GB1447324A GB2817474A GB2817474A GB1447324A GB 1447324 A GB1447324 A GB 1447324A GB 2817474 A GB2817474 A GB 2817474A GB 2817474 A GB2817474 A GB 2817474A GB 1447324 A GB1447324 A GB 1447324A
Authority
GB
United Kingdom
Prior art keywords
clutch
pressure
lock
spool
piston
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
GB2817474A
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of GB1447324A publication Critical patent/GB1447324A/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
    • F16H61/14—Control of torque converter lock-up clutches

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Transmission Device (AREA)
  • Gear-Shifting Mechanisms (AREA)
GB2817474A 1973-06-25 1974-06-25 Transmission assemblies Expired GB1447324A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00373245A US3857302A (en) 1973-06-25 1973-06-25 Transmission and speed controlled lock-up clutch

Publications (1)

Publication Number Publication Date
GB1447324A true GB1447324A (en) 1976-08-25

Family

ID=23471580

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2817474A Expired GB1447324A (en) 1973-06-25 1974-06-25 Transmission assemblies

Country Status (3)

Country Link
US (1) US3857302A (enExample)
JP (1) JPS583144B2 (enExample)
GB (1) GB1447324A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367812A (en) 1979-08-18 1983-01-11 Aisin-Warner Kabushiki Kaisha Control apparatus for torque converter direct coupling clutch in automatic transmissions
US4369865A (en) 1978-04-04 1983-01-25 Nissan Motor Company, Limited Lock-up control system for a torque converter
US4561528A (en) * 1982-05-20 1985-12-31 Nissan Motor Co., Ltd. Lock-up clutch control valve assembly

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS589861B2 (ja) * 1975-04-17 1983-02-23 トヨタ自動車株式会社 ジドウヘンソクキノセイギヨソウチ
US3985046A (en) * 1975-06-23 1976-10-12 Caterpillar Tractor Co. Control valve for a torque converter lock-up clutch or the like
JPS5211366A (en) * 1975-07-16 1977-01-28 Toyota Motor Corp Oil pressure control device for fluid transmission mechanism with clut ch connected directly
JPS5211365A (en) * 1975-07-16 1977-01-28 Toyota Motor Corp Oil pressure control device for fluid transmission mechanism with clut ch connected directly
JPS5239066A (en) * 1975-09-22 1977-03-26 Toyota Motor Corp Oil control device used for a fluid transmision mechanism with a clutch unit
US4090417A (en) * 1976-01-07 1978-05-23 Ford Motor Company Control system for an automatic transmission with a hydrokinetic torque converter and an integral lockup clutch
JPS52101359A (en) * 1976-02-20 1977-08-25 Nissan Motor Co Ltd Automatic mission with direct clutch
JPS5852103B2 (ja) * 1978-09-04 1983-11-19 日産自動車株式会社 ロツクアツプトルクコンバ−タの制御回路
JPS5825182B2 (ja) * 1978-11-07 1983-05-26 アイシン・ワ−ナ−株式会社 直結クラツチ付トルクコンバ−タを有する自動変速機の直結クラツチ制御装置
US4347918A (en) * 1979-02-22 1982-09-07 Bbc Brown, Boveri & Co. Ltd. Drive device for a vehicle
FR2458725A1 (fr) * 1979-06-13 1981-01-02 Renault Dispositif electronique de commande du pontage d'un convertisseur de couple hydrodynamique et procede de mise en oeuvre
JPS602549B2 (ja) * 1980-03-12 1985-01-22 日産自動車株式会社 ロツクアツプ式自動変速機
EP0037050A3 (en) * 1980-03-27 1984-05-09 Nissan Motor Co., Ltd. Lock-up control system for lock-up type automatic transmission
JPS597863B2 (ja) * 1980-06-10 1984-02-21 日産自動車株式会社 ロツクアツプ式自動変速機
JPS5718852A (en) * 1980-07-07 1982-01-30 Nissan Motor Co Ltd Lock-up type automatic speed change gear
DE3176554D1 (en) * 1980-08-11 1988-01-14 Nissan Motor Control system for automatic transmission for automotive vehicle
US4416358A (en) * 1981-05-21 1983-11-22 General Motors Corporation Electro-hydraulic control for a transmission having a torque converter clutch
JPS5943228A (ja) * 1982-09-04 1984-03-10 Honda Motor Co Ltd 車両用変速機における流体トルクコンバ−タ用クラツチの作動制御装置
US4589537A (en) * 1982-11-12 1986-05-20 Honda Giken Kogyo Kabushiki Kaisha Lock-up control device for torque converter in automatic transmission for vehicle
JPS59151662A (ja) * 1983-02-17 1984-08-30 Honda Motor Co Ltd 車両用自動変速機におけるトルクコンバ−タの直結制御装置
JPS59208263A (ja) * 1983-05-10 1984-11-26 Honda Motor Co Ltd 車両用自動変速機におけるトルクコンバ−タの直結制御装置
GB2142391B (en) * 1983-07-01 1986-03-26 Honda Motor Co Ltd Control device for a direct clutch in automatic transmission
US4450941A (en) * 1983-08-15 1984-05-29 Caterpillar Tractor Co. Control system for converter lock-up and simultaneous pressure reduction
US4644968A (en) * 1983-08-29 1987-02-24 J. I. Case Company Master clutch pressure and lubrication valve
JPS6058954U (ja) * 1983-09-28 1985-04-24 本田技研工業株式会社 流体継手の直結機構制御装置
US4585102A (en) * 1983-10-03 1986-04-29 Nissan Motor Co., Ltd. Hydraulic control system for automatic transmission having torque converter with lock-up mechanism
US4936166A (en) * 1988-04-29 1990-06-26 Chrysler Corporation Fluid actuated switch valve in an automatic transmission
US6142272A (en) * 1997-08-26 2000-11-07 Luk Getriebe-Systeme Gmbh Hydrodynamic torque converter
CN105965108B (zh) * 2016-06-29 2018-01-16 天津第一机床总厂 数控机床伺服轴双限位回零装置
DE102017219971A1 (de) * 2017-11-09 2019-05-09 Zf Friedrichshafen Ag Verfahren zur Unterstützung des Anfahrens für ein durch einen Motor angetriebenes Fahrzeug

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126988A (en) * 1964-03-31 Power transmission device
US3262523A (en) * 1964-06-23 1966-07-26 Clark Equipment Co Transmission and valve actuated fluid clutch control means
US3621955A (en) * 1970-01-05 1971-11-23 Twin Disc Inc Torque limiting clutch for torque converter controlled by speed and transmission selector
US3682043A (en) * 1970-03-23 1972-08-08 Gen Motors Corp Flow control system
US3719093A (en) * 1971-08-05 1973-03-06 Gen Motors Corp Lock up clutch control

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4369865A (en) 1978-04-04 1983-01-25 Nissan Motor Company, Limited Lock-up control system for a torque converter
US4367812A (en) 1979-08-18 1983-01-11 Aisin-Warner Kabushiki Kaisha Control apparatus for torque converter direct coupling clutch in automatic transmissions
US4561528A (en) * 1982-05-20 1985-12-31 Nissan Motor Co., Ltd. Lock-up clutch control valve assembly

Also Published As

Publication number Publication date
JPS583144B2 (ja) 1983-01-20
JPS5036865A (enExample) 1975-04-07
US3857302A (en) 1974-12-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee