Shift control method and system for automatic transmission

Details Shift control method and system for automatic transmission Shift control method and system for automatic transmission

1993-08-31

1995-03-14

Wright, Dirk

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

475129, F16H 6106

Patent

active

053972848

ABSTRACT:
An automobile automatic transmission shift control system, for causing a specific gear shift by unlocking a first frictional element with a simultaneously with locking a second frictional element, discharges locking pressure from the first frictional element in such a way that the locking pressure is throttled after it has dropped below a specified level of pressure.

REFERENCES:
patent: 3951011 (1976-04-01), Lemon
patent: 4311068 (1982-01-01), Chatterjea
patent: 5182970 (1993-02-01), Goto et al.
patent: 5293789 (1994-03-01), Goto et al.

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