Motor vehicles – Compensating devices
Patent
1990-08-24
1992-10-20
Marmor, Charles A.
Motor vehicles
Compensating devices
180141, 180142, 36442405, B62D 504, B62D 506
Patent
active
051562278
ABSTRACT:
In a clutch control method of a motor-driven power steering apparatus, a clutch is disconnected when a change width of a steering angle detected by a steering angle sensor is a predetermined angle or less and a steering torque detected by a torque sensor is a predetermined torque or more in both the steering directions. A clutch controller of a motor-driven power steering apparatus includes a first transistor arranged between one terminal of the clutch coil and a power source, a second transistor arranged between the other terminal of the clutch coil and an earth, and a current sensor connected in series with the first and second transistor.
REFERENCES:
patent: Re33140 (1990-01-01), Booth
patent: 4581565 (1986-04-01), Van Pelt et al.
patent: 4736810 (1988-04-01), Morishita et al.
patent: 4802543 (1989-02-01), Ishikura et al.
patent: 4842087 (1989-06-01), Morishita et al.
patent: 4913249 (1990-04-01), Lang
patent: 5020617 (1991-06-01), Oshita et al.
patent: 5065325 (1991-11-01), Takahashi
Iizawa Ryuji
Taniguchi Yoshiaki
Watanabe Masaki
Dickson Paul
Fujitsu Limited
Jidosha Kiki Co. Ltd.
Marmor Charles A.
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