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FR2433138A1 - Dispositif de controle des chocs dans un systeme de commande hydraulique d'une transmission automatique - Google Patents

Dispositif de controle des chocs dans un systeme de commande hydraulique d'une transmission automatique

Info

Publication number
FR2433138A1
FR2433138A1 FR7920099A FR7920099A FR2433138A1 FR 2433138 A1 FR2433138 A1 FR 2433138A1 FR 7920099 A FR7920099 A FR 7920099A FR 7920099 A FR7920099 A FR 7920099A FR 2433138 A1 FR2433138 A1 FR 2433138A1
Authority
FR
France
Prior art keywords
automatic transmission
control device
control system
impact
hydraulic control
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.)
Granted
Application number
FR7920099A
Other languages
English (en)
Other versions
FR2433138B1 (fr
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor 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
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of FR2433138A1 publication Critical patent/FR2433138A1/fr
Application granted granted Critical
Publication of FR2433138B1 publication Critical patent/FR2433138B1/fr
Granted 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
    • F16H61/065—Smoothing ratio shift by controlling rate of change of fluid pressure using fluid control means
    • F16H61/067—Smoothing ratio shift by controlling rate of change of fluid pressure using fluid control means using an accumulator

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)

Abstract

L'invention concerne un dispositif de réduction des chocs à la sélection et au passage des vitesses dans une transmission automatique de véhicule automobile. Le dispositif comprend un accumulateur de pression 20 comprenant un piston étagé 23 relié à un embrayage avant 1, un embrayage arrière 2, un servo-mécanisme 3 d'actionnement du second frein et un frein bas et arrière 4 faisant partie de la transmission automatique. L'accumulateur 20 permet de réduire la pression de commande ce ces éléments. L'invention concerne les transmissions automatiques de véhicule automobile.
FR7920099A 1978-08-07 1979-08-06 Dispositif de controle des chocs dans un systeme de commande hydraulique d'une transmission automatique Granted FR2433138A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9591978A JPS5945862B2 (ja) 1978-08-07 1978-08-07 自動変速機のシヨツク軽減装置

Publications (2)

Publication Number Publication Date
FR2433138A1 true FR2433138A1 (fr) 1980-03-07
FR2433138B1 FR2433138B1 (fr) 1984-04-06

Family

ID=14150677

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7920099A Granted FR2433138A1 (fr) 1978-08-07 1979-08-06 Dispositif de controle des chocs dans un systeme de commande hydraulique d'une transmission automatique

Country Status (4)

Country Link
JP (1) JPS5945862B2 (fr)
DE (1) DE2931828C2 (fr)
FR (1) FR2433138A1 (fr)
GB (1) GB2028937B (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5948902B2 (ja) * 1978-08-30 1984-11-29 日産自動車株式会社 自動変速機のシヨツク軽減装置
JPH0625594B2 (ja) * 1982-08-20 1994-04-06 日産自動車株式会社 自動変速機の油圧制御装置
JPS59140946A (ja) * 1983-02-02 1984-08-13 Nissan Motor Co Ltd 自動変速機の油圧制御装置
JPS59166750A (ja) * 1983-03-11 1984-09-20 Honda Motor Co Ltd 車両用油圧作動式変速機の制御装置
US4539870A (en) * 1983-07-29 1985-09-10 Nissan Motor Co., Ltd. Hydraulic control system for automatic transmission
EP0133184A1 (fr) * 1983-07-29 1985-02-20 Nissan Motor Co., Ltd. Système de commande hydraulique pour une transmission automatique
JPS60143253A (ja) * 1983-12-30 1985-07-29 Aisin Warner Ltd 車両用自動変速機の制御装置
JPS60146950A (ja) * 1983-12-30 1985-08-02 Aisin Warner Ltd 車両用自動変速機の制御装置
JPS60143259A (ja) * 1983-12-30 1985-07-29 Aisin Warner Ltd 車両用自動変速機の制御装置
JPS60146947A (ja) * 1983-12-30 1985-08-02 Aisin Warner Ltd 車両用自動変速機の制御装置
JPS60146946A (ja) * 1983-12-30 1985-08-02 Aisin Warner Ltd 車両用自動変速機の制御装置
JPS60143261A (ja) * 1983-12-30 1985-07-29 Aisin Warner Ltd 車両用自動変速機の制御装置
JPS60143262A (ja) * 1983-12-30 1985-07-29 Aisin Warner Ltd 車両用自動変速機の制御装置
JPH0674846B2 (ja) * 1983-12-30 1994-09-21 アイシン・エィ・ダブリュ株式会社 車両用自動変速機の制御装置
JPS60143254A (ja) * 1983-12-30 1985-07-29 Aisin Warner Ltd 車両用自動変速機の制御装置
US4729265A (en) * 1985-01-09 1988-03-08 Nissan Motor Co., Ltd. Shift shock suppression arrangement for automotive automatic transmission
DE3712547A1 (de) * 1986-04-22 1987-10-29 Volkswagen Ag Hydraulische steuereinrichtung
JP2759945B2 (ja) * 1987-10-16 1998-05-28 日産自動車株式会社 自動変速機のセレクトショック軽減装置
FR2689595B1 (fr) * 1992-04-03 1994-05-13 Renault Regie Nale Usines Dispositif de pilotage universel de recepteur de boite automatique.
US5393273A (en) * 1993-06-21 1995-02-28 General Motors Corporation Powertrain and control having a plurality of accumulators
JP2767366B2 (ja) * 1993-08-30 1998-06-18 本田技研工業株式会社 車両用油圧作動式変速機の制御装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB937699A (en) * 1961-02-20 1963-09-25 Gen Motors Corp Control system for a motor vehicle change-speed transmission
GB1308112A (en) * 1970-02-12 1973-02-21 Toyota Motor Co Ltd Hydraulic control system
GB1315408A (en) * 1969-12-22 1973-05-02 Chrysler Corp Variable ratio transmission
GB1363308A (en) * 1970-12-21 1974-08-14 Borg Warner Automotove transmission
GB1437585A (en) * 1973-07-05 1976-05-26 Claas Maschf Gmbh Geb Drive for propelling automotive power machines especially combine harvesters
GB1439245A (en) * 1972-10-20 1976-06-16 Int Harvester Co Reversible power shift transmissions hydrometallurgical leaching
GB1473254A (en) * 1974-08-26 1977-05-11 Automobilwerk Eisenach Veb Control valve for an automobile transmission system of an automobile
GB1489353A (en) * 1975-03-12 1977-10-19 Gen Motors Corp Transmission assemblies
GB1501304A (en) * 1975-07-14 1978-02-15 Borg Warner Automatic lubricant flow increase valve

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5174168A (en) * 1974-12-23 1976-06-26 Toyota Motor Co Ltd Jidohensokukino yuatsuseigyosochi

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB937699A (en) * 1961-02-20 1963-09-25 Gen Motors Corp Control system for a motor vehicle change-speed transmission
GB1315408A (en) * 1969-12-22 1973-05-02 Chrysler Corp Variable ratio transmission
GB1308112A (en) * 1970-02-12 1973-02-21 Toyota Motor Co Ltd Hydraulic control system
GB1363308A (en) * 1970-12-21 1974-08-14 Borg Warner Automotove transmission
GB1439245A (en) * 1972-10-20 1976-06-16 Int Harvester Co Reversible power shift transmissions hydrometallurgical leaching
GB1437585A (en) * 1973-07-05 1976-05-26 Claas Maschf Gmbh Geb Drive for propelling automotive power machines especially combine harvesters
GB1473254A (en) * 1974-08-26 1977-05-11 Automobilwerk Eisenach Veb Control valve for an automobile transmission system of an automobile
GB1489353A (en) * 1975-03-12 1977-10-19 Gen Motors Corp Transmission assemblies
GB1501304A (en) * 1975-07-14 1978-02-15 Borg Warner Automatic lubricant flow increase valve

Also Published As

Publication number Publication date
FR2433138B1 (fr) 1984-04-06
JPS5945862B2 (ja) 1984-11-09
DE2931828C2 (de) 1985-08-14
DE2931828A1 (de) 1980-03-06
GB2028937B (en) 1983-02-16
JPS5524222A (en) 1980-02-21
GB2028937A (en) 1980-03-12

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Legal Events

Date Code Title Description
ST Notification of lapse