Automatic transmission control system

Details Automatic transmission control system Automatic transmission control system

1996-03-28

1998-08-04

Marmor, Charles A.

Interrelated power delivery controls, including engine control

Transmission control

With clutch control

477 76, 477 72, 477 98, F16H 6100

Patent

active

057886016

ABSTRACT:
An automatic transmission control system in which a specific one of friction coupling elements is selectively locked and unlocked to provide a specific gear initiates locking the specific friction coupling element to execute a gear shift to the specific gear at a level of input torque to the automatic transmission from the torque converter higher when a friction-related parameter demonstrates a high friction coefficient of the coupling element than when demonstrating a low friction coefficient.

REFERENCES:
patent: 5014575 (1991-05-01), Fujiwara et al.
patent: 5270628 (1993-12-01), Noguchi et al.
patent: 5307269 (1994-04-01), Kohno
patent: 5309791 (1994-05-01), Takada et al.
patent: 5349885 (1994-09-01), Yoshimura et al.
patent: 5518468 (1996-05-01), Sametz et al.
patent: 5556349 (1996-09-01), Ishii et al.
patent: 5558597 (1996-09-01), Oba et al.

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