Method for reducing driveline disturbances by controlling torque

Details Method for reducing driveline disturbances by controlling torque Method for reducing driveline disturbances by controlling torque

1994-02-14

1996-01-16

Bonck, Rodney H.

Interrelated power delivery controls, including engine control

Clutch control

With fluid drive

477175, F16H 6114, B60K 4102

Patent

active

054843537

ABSTRACT:
A torque converter clutch control reduces or eliminates undesirable driveline disturbances through throttle position or load based criteria. A region of vehicle operation delineated by vehicle speed prone to driveline disturbances during certain vehicle operating conditions is used to predict such disturbances and disengage the torque converter clutch. Disturbances are cumulated and upon reaching a predetermined number of events the control substitutes certain torque converter clutch apply/release patterns to further reduce such disturbances.

REFERENCES:
patent: 4056177 (1977-11-01), Ahlen et al.
patent: 4596322 (1986-06-01), Nishimura et al.
patent: 4640396 (1987-02-01), Nishimura
patent: 5277287 (1994-01-01), Ishii et al.
patent: 5323320 (1994-06-01), Hathaway et al.

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