Method and system for upshifting an automatic transmission

Details Method and system for upshifting an automatic transmission Method and system for upshifting an automatic transmission

1978-02-28

1981-03-10

Bonck, Rodney H.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74752D, B60K 4110

Patent

active

042546710

ABSTRACT:
For automotive vehicles having an engine which has a speed governor which is activated when the engine reaches the maximum permissible engine speed, an AND-gate is supplied which furnishes an upshift signal when the engine speed has reached the maximum permissible speed and when, simultaneously, the pedal is at the full load position or the kickdown switch is activated. The upshift signal is applied to the control circuit for the automatic transmission. It may be combined with a signal signifying vehicle speed in a direction so as to increase the apparent vehicle speed or with a signal indicative of throttle position to indicate an actual lower engine load than present.

REFERENCES:
patent: 3640156 (1972-02-01), Mori et al.
patent: 3702572 (1972-11-01), Wakamatsu et al.
patent: 3739661 (1973-06-01), Harrison
patent: 3826158 (1974-07-01), Flaig
patent: 3835733 (1974-09-01), Wurst
patent: 4073203 (1978-02-01), Wurst et al.

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