CA1004504A - Automatic transmission control - Google Patents

Automatic transmission control

Info

Publication number
CA1004504A
CA1004504A CA222,696A CA222696A CA1004504A CA 1004504 A CA1004504 A CA 1004504A CA 222696 A CA222696 A CA 222696A CA 1004504 A CA1004504 A CA 1004504A
Authority
CA
Canada
Prior art keywords
automatic transmission
transmission control
automatic
control
transmission
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
CA222,696A
Other languages
English (en)
Inventor
Kenneth F. Golan
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
Priority to CA251,808A priority Critical patent/CA1009058A/en
Application granted granted Critical
Publication of CA1004504A publication Critical patent/CA1004504A/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
    • F16H61/16—Inhibiting  or initiating  shift during unfavourable conditions , e.g. preventing forward-reverse shift at high vehicle speed, preventing engine overspeed  
    • 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
    • F16H61/0262—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 hydraulic
    • F16H61/0274—Control units where shifting is directly initiated by the driver, e.g. semi-automatic transmissions

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
CA222,696A 1974-08-02 1975-03-20 Automatic transmission control Expired CA1004504A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA251,808A CA1009058A (en) 1974-08-02 1976-05-04 Automatic transmission control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US494301A US3913416A (en) 1974-08-02 1974-08-02 Downshift inhibitor system for automatic transmission control

Publications (1)

Publication Number Publication Date
CA1004504A true CA1004504A (en) 1977-02-01

Family

ID=23963916

Family Applications (1)

Application Number Title Priority Date Filing Date
CA222,696A Expired CA1004504A (en) 1974-08-02 1975-03-20 Automatic transmission control

Country Status (5)

Country Link
US (1) US3913416A (enExample)
JP (1) JPS5911052B2 (enExample)
CA (1) CA1004504A (enExample)
GB (1) GB1472352A (enExample)
ZA (1) ZA751840B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56103832A (en) * 1980-01-22 1981-08-19 Meidensha Electric Mfg Co Ltd Vacuum breaker
JPS61137150U (enExample) * 1985-02-14 1986-08-26

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3313183A (en) * 1964-05-04 1967-04-11 Gen Motors Corp Transmission
US3578007A (en) * 1969-12-10 1971-05-11 Caterpillar Tractor Co Delayed governor cutoff valve
US3709064A (en) * 1971-02-10 1973-01-09 Gen Motors Corp Multi-ratio transmission and control with downshift inhibitors
US3691872A (en) * 1971-04-29 1972-09-19 Gen Motors Corp Transmission and controls
US3738198A (en) * 1971-08-19 1973-06-12 Gen Motors Corp Shift inhibitors for power transmission
US3789698A (en) * 1972-05-12 1974-02-05 Gen Motors Corp Automatic shift for a transmission
US3818783A (en) * 1972-12-04 1974-06-25 Gen Motors Corp Manual and automatic shift controls for transmissions

Also Published As

Publication number Publication date
AU7961575A (en) 1976-10-28
US3913416A (en) 1975-10-21
ZA751840B (en) 1976-02-25
JPS5911052B2 (ja) 1984-03-13
JPS5139355A (enExample) 1976-04-01
GB1472352A (en) 1977-05-04

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