BR7407237D0 - Uma transmissao automatica aperfeicoada - Google Patents

Uma transmissao automatica aperfeicoada

Info

Publication number
BR7407237D0
BR7407237D0 BR7237/74A BR723774A BR7407237D0 BR 7407237 D0 BR7407237 D0 BR 7407237D0 BR 7237/74 A BR7237/74 A BR 7237/74A BR 723774 A BR723774 A BR 723774A BR 7407237 D0 BR7407237 D0 BR 7407237D0
Authority
BR
Brazil
Prior art keywords
automatic transmission
improved automatic
improved
transmission
automatic
Prior art date
Application number
BR7237/74A
Other languages
English (en)
Inventor
C Shellman
Original Assignee
Gen Motors 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
Application filed by Gen Motors Corp filed Critical Gen Motors Corp
Publication of BR7407237D0 publication Critical patent/BR7407237D0/pt

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
    • F16H61/0021—Generation or control of line pressure
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
BR7237/74A 1973-09-12 1974-08-30 Uma transmissao automatica aperfeicoada BR7407237D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00396555A US3847179A (en) 1973-09-12 1973-09-12 Transmission control with pressure boost system

Publications (1)

Publication Number Publication Date
BR7407237D0 true BR7407237D0 (pt) 1975-07-08

Family

ID=23567698

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7237/74A BR7407237D0 (pt) 1973-09-12 1974-08-30 Uma transmissao automatica aperfeicoada

Country Status (6)

Country Link
US (1) US3847179A (pt)
JP (1) JPS5340663B2 (pt)
BR (1) BR7407237D0 (pt)
CA (1) CA990618A (pt)
FR (1) FR2243376B1 (pt)
GB (1) GB1426989A (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53100363A (en) * 1977-02-15 1978-09-01 Toyota Motor Corp Oil pressure controlling system in automatic transmission
JPS5536611A (en) * 1978-09-05 1980-03-14 Nissan Motor Co Ltd Throttle fail safe valve for automatic speed change gear
JPS601501B2 (ja) * 1978-09-19 1985-01-16 日産自動車株式会社 自動変速機のライン圧ブ−スタ−弁
JPS5949452B2 (ja) * 1978-10-03 1984-12-03 日産自動車株式会社 自動変速機のライン圧制御装置
US6619323B1 (en) * 2001-08-27 2003-09-16 Sonnax Industries, Inc. Reverse boost valve assembly
US6899211B2 (en) * 2002-02-26 2005-05-31 Sonnax Industries, Inc. Pinless accumulator piston
US6591958B1 (en) * 2002-03-07 2003-07-15 General Motors Corporation Pressure control apparatus for a torque-transmitting mechanism
US7325885B2 (en) * 2004-07-09 2008-02-05 General Motors Corporation Regulator valve for a torque-transmitting mechanism and method of engaging a torque-transmitting mechanism

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3321056A (en) * 1963-12-12 1967-05-23 Gen Motors Corp Transmission and control system
US3659630A (en) * 1969-06-30 1972-05-02 Case Co J I Transmission control system
JPS4838578B1 (pt) * 1970-12-18 1973-11-19

Also Published As

Publication number Publication date
GB1426989A (en) 1976-03-03
CA990618A (en) 1976-06-08
DE2439175B2 (de) 1976-12-30
AU7216374A (en) 1976-02-12
DE2439175A1 (de) 1975-04-10
JPS5063365A (pt) 1975-05-29
US3847179A (en) 1974-11-12
JPS5340663B2 (pt) 1978-10-28
FR2243376A1 (pt) 1975-04-04
FR2243376B1 (pt) 1978-07-13

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