Method and apparatus for controlling upshift on an automatic tra

Details Method and apparatus for controlling upshift on an automatic tra Method and apparatus for controlling upshift on an automatic tra

1999-04-01

2000-07-18

Wright, Dirk

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

B60K 4106

Patent

active

060900121

ABSTRACT:
The present invention provides a device for prohibiting upshift on an automatic transmission which has a controller adapted to select a gear ratio of the automatic transmission. The controller receives an output speed signal representative of a speed of the vehicle and throttle signal representative of a throttle position. Based on this information, the controller prohibits the automatic transmission from upshifting when the throttle position changes from a substantially open position to a substantially closed position at a rapid rate.

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patent: 5685801 (1997-11-01), Benford et al.
patent: 5722292 (1998-03-01), Anderson et al.
patent: 5778311 (1998-07-01), Nakanishi

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