Control device and control method for automatic transmission for

Details Control device and control method for automatic transmission for Control device and control method for automatic transmission for

1992-10-02

1994-07-05

Braun, Leslie A.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

192 329, 192103F, 477 65, 477168, F16D 3300

Patent

active

053259467

ABSTRACT:
In a driving zone where a torque converter is to be locked up, a lockup force of a lockup clutch is weakened in the deceleration driving state compared with that in the non-deceleration driving state. Moreover, during transition from the deceleration driving state to the non-deceleration driving state, increase control of the lockup force is forcedly delayed for a predetermined time. By this, during acceleration from the deceleration driving state, the clutch is made to slip with a rapid increase in engine output torque and a rise in the engine output torque is buffered by the lockup clutch.

REFERENCES:
patent: 4640394 (1987-02-01), Higashi et al.
patent: 5010990 (1991-04-01), Yoshimura et al.
patent: 5115896 (1992-05-01), Noguchi et al.
patent: 5152386 (1992-10-01), Imamura
patent: 5219055 (1993-06-01), Imamura

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