Gearshift control system

Details Gearshift control system Gearshift control system

1995-12-20

1998-01-20

Marmor, Charles A.

Machine element or mechanism

Gearing

Interchangeably locked

192 358, 192 363, F16H 5956, F16H 6116

Patent

active

057091293

ABSTRACT:
A gearshift control system comprises an electrical control unit which operates hydraulic valves controlling a hydraulic gearshift actuator. The vehicle in which the system operates has a dashboard control to preselect a gear change, which is actuated by depressing the clutch pedal operating a switch, both the switch and control being connected to the unit. The system includes means for updating the electronic stored values representative of the position of the gearshift actuator. The system also includes means for aborting a gearshift if, after given time periods, either the shift has not been completed, or the clutch pedal is released. In any event the gearshift will be aborted if the clutch is released during a change. The system will not initiate a gearshift unless the clutch pedal is held down for a given period of time.

REFERENCES:
patent: 4625841 (1986-12-01), Klatt
patent: 5099711 (1992-03-01), Langbo et al.
patent: 5117710 (1992-06-01), Asano et al.
patent: 5408895 (1995-04-01), Chan et al.
patent: 5416698 (1995-05-01), Hutchison
patent: 5416700 (1995-05-01), Bates et al.
patent: 5436833 (1995-07-01), Janecke

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