Electricity: motive power systems – Automatic and/or with time-delay means – Responsive to direction – inclination or angular position of...
Patent
1987-07-29
1989-10-10
Ro, Bentsu
Electricity: motive power systems
Automatic and/or with time-delay means
Responsive to direction, inclination or angular position of...
318 2, 318488, B62D 504
Patent
active
048734756
ABSTRACT:
In order to prevent a sudden kickback through the steering wheel which tends to occur when an electrically powered steering motor is de-energized and the vehicle tires are distorted by steering a low speeds and act as springs which cause the steering shaft to suddenly rotate in the reverse direction to that induced by the motor immediately before the de-energization, a circuit is provided which upon a manually operable switch which controls the power supply being moved to an open position, continues to supply a gradually decreasing level of power to the motor control circuit so that in the event that the driver is still applying a torque to the steering wheel, the motor produces a gradually reducing torque which allows the tire distortion to be relieved slowly and obviate any shock to the driver via the steering wheel.
REFERENCES:
patent: 2754465 (1956-07-01), Brier
patent: 3344328 (1967-09-01), Morris
patent: 3681671 (1972-08-01), Elliott
patent: 3949284 (1976-04-01), Wright
patent: 4008779 (1977-02-01), Shinoda et al.
patent: 4350219 (1982-09-01), Olbrich et al.
patent: 4481449 (1984-11-01), Rodal
Miyazaki Hiroya
Okuma Genji
Saito Yoichi
Tateyama Masayuki
Togo Sigeru
Nissan Motor Co,. Ltd.
Ro Bentsu
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