Automatic transmission control device and method of...

Details Automatic transmission control device and method of... Automatic transmission control device and method of...

2011-08-02

2011-08-02

Bonck, Rodney H (Department: 3655)

192 clutches and power-stop control

Transmission control and clutch control

Common control

C192S1030FA, C475S127000, C477S080000

Reexamination Certificate

active

07987956

ABSTRACT:
A transmission ECU calculates a differential rotation, which is the rotational speed difference between a friction plate and a separator plate, when it is determined that a second brake is not engaged. If it is determined that the differential rotation is equal to or above a predetermined value, the transmission ECU narrows the pack clearance of the second brake. If it is determined that the differential rotation is less than the predetermined value, the transmission ECU widens the pack clearance of the second brake.

REFERENCES:
patent: 4719998 (1988-01-01), Hiramatsu et al.
patent: 4997071 (1991-03-01), Villata et al.
patent: 7010405 (2006-03-01), Furuichi et al.
patent: 05-240344 (1993-09-01), None
patent: 2003-240068 (2003-08-01), None
patent: 2005-265063 (2005-09-01), None
Machine translation of JP 2005-265063 A , pub date: Sep. 5, 2005, Jatco Ltd.

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