Control system for automatic transmissions

Details Control system for automatic transmissions Control system for automatic transmissions

1996-12-10

1998-05-05

Wright, Dirk

Interrelated power delivery controls, including engine control

Transmission control

With brake control

477119, B60K 4110

Patent

active

057466807

ABSTRACT:
A control system for an automatic transmission of an internal combustion engine installed on an automotive vehicle measures a duration over which the automatic transmission continues to be in a speed position. Downshift of the speed position of the transmission to a lower speed position is inhibited if the measured duration does not exceed a predetermined time period, when it is determined that the automotive vehicle is in a predetermined decelerating condition.

REFERENCES:
patent: 4350234 (1982-09-01), Suga et al.
patent: 5022286 (1991-06-01), Takizawa
patent: 5054336 (1991-10-01), Takizawa
patent: 5105923 (1992-04-01), Iizuka
patent: 5637055 (1997-06-01), Lee

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