Gear shift system and method with optional gas pedal controlled

Details Gear shift system and method with optional gas pedal controlled Gear shift system and method with optional gas pedal controlled

1978-03-06

1980-10-07

Silverstrim, John P.

Motor vehicles

Manually actuated controlling devices

With fuel or air throttle control

74866, 180271, 180336, B60K 2016

Patent

active

042262950

ABSTRACT:
Rapid movement of the gas pedal initiates a shifting operation to the next higher or next lower gear depending upon whether the speed of the gearing lies above or below a predetermined speed range. The speed range extends from a first to a second predetermined speed. Both the width of the range and the actual values of the first and second predetermined speed are automatically adjusted as a function of the throttle valve position and the then-present gear. If the gas pedal is not activated but the gear speed is less than a predetermined first threshold speed, an automatic down-shift takes place. Up-shifting can only occur when the speed of the gearing exceeds a minimum up-shift speed. Engagement and disengagement of the clutch is controlled and may include jolt limiting. The engine speed is limited during gear shifting.

REFERENCES:
patent: 3433101 (1969-03-01), Scholl
patent: 3460406 (1969-08-01), Strohm

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