Motor driven power steering system

Details Motor driven power steering system Motor driven power steering system

1987-03-09

1988-11-15

Mitchell, David M.

Motor vehicles

Compensating devices

74409, 74410, B62D 504

Patent

active

047842342

ABSTRACT:
A power steering system uses an electric motor to produce an auxiliary torque which is added to the torque applied to the steering wheel of a vehicle by the driver. The system includes a couple mechanism for coupling the motor to the steering shaft. The system further includes a converting mechanism for converting a part of rotating force in the motor in an axial force and installed in the coupling mechanism and an elastic member for absorbing the axial force and installed in the coupling mechanism. This permits the elastic member to absorb the momentary shock occurred at starting condition of motor due to backlash of gears in the coupling mechanism.

REFERENCES:
patent: 4147071 (1979-04-01), Scribner et al.
patent: 4574903 (1986-03-01), Hashimoto et al.
patent: 4580648 (1986-04-01), Murakami et al.
patent: 4621701 (1986-11-01), Takabayashi et al.
patent: 4645024 (1987-02-01), Takabayashi
patent: 4667759 (1987-05-01), Hashimoto et al.
patent: 4676331 (1987-06-01), Iwaki et al.
patent: 4708220 (1987-11-01), Noto et al.

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