Adaptive self-adjustment of automatic transmission to input torq

Details Adaptive self-adjustment of automatic transmission to input torq Adaptive self-adjustment of automatic transmission to input torq

1993-02-02

1993-10-12

Herrmann, Allan D.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74856, F16H 1102

Patent

active

052515133

ABSTRACT:
An engine driven auxiliary device consumes engine power and thus reduces the amount of torque supplied to an automatic transmission. In the automatic transmission, a line pressure control and/or a shift control is performed on a predetermined parameter that is employed as reflecting an instantaneous amount of engine torque supplied to the automatic transmission. There occurs a deviation of this predetermined parameter from the actual amount of torque supplied to the automatic transmission when the auxiliary device is in operation. Thus, a sensor output of a throttle opening degree sensor is corrected when the auxiliary device is in operation and then set as the predetermined parameter although the sensor output unaltered is set as the predetermined parameter when the auxiliary device is not in operation.

REFERENCES:
patent: 3709066 (1973-01-01), Burcz
patent: 4559850 (1985-12-01), Sakakibara
patent: 4730521 (1988-03-01), Hayasaki et al.
patent: 4807496 (1989-02-01), Hayasaki et al.
patent: 4845618 (1989-07-01), Narita
patent: 4846021 (1989-07-01), Hamano et al.
patent: 4850935 (1989-07-01), Morimoto

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