Lock-up clutch control device

Details Lock-up clutch control device Lock-up clutch control device

2007-05-22

2007-05-22

Ho, Ha (Department: 3681)

Interrelated power delivery controls, including engine control

Clutch control

With fluid drive

C477S175000

Reexamination Certificate

active

10972692

ABSTRACT:
A lock-up clutch control device for controlling a lock-up clutch mechanism provided to a torque converter is including an estimator means for estimating a contact timing of a friction material included in the lock-up clutch mechanism during a driven state based on an engine rotational speed change when condition of the lock-up clutch mechanism is changed from a disengaging state to an engaging state.

REFERENCES:
patent: 5112280 (1992-05-01), Sato
patent: 5480363 (1996-01-01), Matsubara et al.
patent: 5573473 (1996-11-01), Asayama et al.
patent: 5669848 (1997-09-01), Kondo et al.
patent: 5755638 (1998-05-01), Suzuki
patent: 6974009 (2005-12-01), Hoshiya et al.
patent: 7-239025 (1995-09-01), None
patent: 2827691 (1998-09-01), None
patent: 2003-269603 (2003-09-01), None

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