ES486901A1 - Procedimiento de mando de una transmision automatica - Google Patents

Procedimiento de mando de una transmision automatica

Info

Publication number
ES486901A1
ES486901A1 ES486901A ES486901A ES486901A1 ES 486901 A1 ES486901 A1 ES 486901A1 ES 486901 A ES486901 A ES 486901A ES 486901 A ES486901 A ES 486901A ES 486901 A1 ES486901 A1 ES 486901A1
Authority
ES
Spain
Prior art keywords
forward drive
drive ratios
clutches
brakes
controlling
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
ES486901A
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.)
Renault SA
Original Assignee
Renault SA
Regie Nationale des Usines Renault
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9213353&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES486901(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Renault SA, Regie Nationale des Usines Renault filed Critical Renault SA
Publication of ES486901A1 publication Critical patent/ES486901A1/es
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
    • F16H61/02—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
    • F16H61/0204—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 for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0206—Layout of electro-hydraulic control circuits, e.g. arrangement of valves
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)

Abstract

Procedimiento de mando de una transmisión automática escalonada con tres relaciones de marcha hacia (delante de paso bajo par para vehículo automóvil, que incluye una caja de velocidades susceptible de definir una segunda relación de marcha hacia delante cuando un freno de mando hidráulico es apretado y una tercera relación de marcha hacia delante cuando dicho freno es desapretado, caracterizado por el hecho de que, cuando el conductor tiene el pie sobre el pedal del acelerador, el paso de la tercera a la segunda relación se hace, en primer lugar, por un estado transistorio durante el cual el freno es alimentado a gran velocidad, siendo la duración de este estado transitorio inversamente proporcional a la velocidad del vehículo, luego por un estado permanente correspondiente a la segunda relación de marcha hacia delante durante el cual el freno es alimentado a poca velocidad; cuando el conductor tiene el pie levantado, el paso de la tercera a la segunda relación se hace, en primer lugar, por un estado transitorio durante el cual el freno es alimentado a gran velocidad, siendo la duración de este estado reducida, y luego por un estado permanente que corresponde a la segunda relación de marcha hacia delante, durante el cual el freno es alimentado a poca velocidad.
ES486901A 1978-10-04 1979-12-14 Procedimiento de mando de una transmision automatica Expired ES486901A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7828437A FR2438209A1 (fr) 1978-10-04 1978-10-04 Dispositif de commande d'une transmission automatique et procede de mise en oeuvre

Publications (1)

Publication Number Publication Date
ES486901A1 true ES486901A1 (es) 1980-05-16

Family

ID=9213353

Family Applications (2)

Application Number Title Priority Date Filing Date
ES484307A Expired ES484307A1 (es) 1978-10-04 1979-09-20 Dispositivo de mando de una transmision automatica escalona-da.
ES486901A Expired ES486901A1 (es) 1978-10-04 1979-12-14 Procedimiento de mando de una transmision automatica

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES484307A Expired ES484307A1 (es) 1978-10-04 1979-09-20 Dispositivo de mando de una transmision automatica escalona-da.

Country Status (8)

Country Link
EP (1) EP0009758B1 (es)
BR (1) BR7906366A (es)
CA (1) CA1133725A (es)
DE (1) DE2962205D1 (es)
ES (2) ES484307A1 (es)
FR (1) FR2438209A1 (es)
PT (1) PT70111A (es)
RO (1) RO80235A (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053216B2 (ja) * 1980-05-19 1985-11-25 アイシン精機株式会社 車輛用変速装置
US4442727A (en) * 1980-10-29 1984-04-17 Alastair John Young Control means for rotary power transmission
FR2570520B1 (fr) * 1984-09-18 1986-12-26 Renault Dispositif de regulation de pression a deux niveaux
FR2570521B1 (fr) * 1984-09-18 1987-12-11 Renault Dispositif de regulation a deux domaines de pression
DE68926910T2 (de) * 1988-10-27 1997-02-06 Komatsu Mfg Co Ltd Steuerungsverfahren für den gangwechsel von hydraulisch betätigten vielganggetrieben

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4922482B1 (es) * 1970-05-29 1974-06-08
GB1361220A (en) * 1970-12-27 1974-07-24 Toyota Motor Co Ltd Vehicle automatic transmission control systems
GB1437942A (en) * 1972-05-25 1976-06-03 Automotive Prod Co Ltd Liquid pressure control systems for variable speed transmission mechanisms
DE2352939C2 (de) * 1973-10-23 1984-07-05 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische Steuervorrichtung, insbesondere für eine Gangwechseleinrichtung in automatischen Kraftfahrzeuggetrieben

Also Published As

Publication number Publication date
EP0009758A1 (fr) 1980-04-16
RO80235A (ro) 1982-12-06
FR2438209B1 (es) 1981-03-27
CA1133725A (fr) 1982-10-19
ES484307A1 (es) 1980-05-16
PT70111A (fr) 1979-09-01
EP0009758B1 (fr) 1982-02-24
BR7906366A (pt) 1980-06-03
FR2438209A1 (fr) 1980-04-30
DE2962205D1 (en) 1982-03-25

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