Automatic transmission with neutral coast down feature

Details Automatic transmission with neutral coast down feature Automatic transmission with neutral coast down feature

2006-03-22

2009-10-06

Le, David D. (Department: 3655)

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

C477S118000

Reexamination Certificate

active

07597650

ABSTRACT:
A system for controlling the engagement and disengagement of one or more clutches that are adapted to operatively connect an engine and an automatic transmission includes a control device for determining if a negative torque condition exists and for providing an output or signal to decrease the rotational speed of the engine in response to the determination of the existence of the negative torque condition.

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patent: 59025042 (1984-02-01), None

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