ZA751840B - Automatic transmission control - Google Patents

Automatic transmission control

Info

Publication number
ZA751840B
ZA751840B ZA00751840A ZA751840A ZA751840B ZA 751840 B ZA751840 B ZA 751840B ZA 00751840 A ZA00751840 A ZA 00751840A ZA 751840 A ZA751840 A ZA 751840A ZA 751840 B ZA751840 B ZA 751840B
Authority
ZA
South Africa
Prior art keywords
automatic transmission
transmission control
automatic
control
transmission
Prior art date
Application number
ZA00751840A
Other languages
English (en)
Inventor
K Golan
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 ZA751840B publication Critical patent/ZA751840B/xx

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)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
  • Control Of Transmission Device (AREA)
ZA00751840A 1974-08-02 1975-03-24 Automatic transmission control ZA751840B (en)

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
ZA751840B true ZA751840B (en) 1976-02-25

Family

ID=23963916

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00751840A ZA751840B (en) 1974-08-02 1975-03-24 Automatic transmission control

Country Status (5)

Country Link
US (1) US3913416A (en, 2012)
JP (1) JPS5911052B2 (en, 2012)
CA (1) CA1004504A (en, 2012)
GB (1) GB1472352A (en, 2012)
ZA (1) ZA751840B (en, 2012)

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 (en, 2012) * 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
JPS5139355A (en, 2012) 1976-04-01
CA1004504A (en) 1977-02-01
JPS5911052B2 (ja) 1984-03-13
US3913416A (en) 1975-10-21
GB1472352A (en) 1977-05-04

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