Road vehicle power assisted steering system

Details Road vehicle power assisted steering system Road vehicle power assisted steering system

1987-02-09

1989-01-03

Pekar, John A.

Motor vehicles

Compensating devices

74388PS, 318376, B62D 504

Patent

active

047949970

ABSTRACT:
A road vehicle power assisted steering system comprises a power assisted steering gear assembly (1) in which power assistance to the displacement of an output member of the steering gear (1) is provided by an electric motor in response to a steering gear torque applied to the input member (2). Motorcon also of the electric motor are capable of being switched from a power supply (10), to a resistive load and are controlled by control means (11) in response to the steering torque so that any kinetic energy of the displaceable components of the steering gear (1) may be dissipated by the resistive load to which the coils are switched by the control means when the steering torque falls below a predetermined value.

REFERENCES:
patent: 4201935 (1980-05-01), Fukuma et al.
patent: 4415054 (1983-11-01), Drutchas
patent: 4580648 (1986-04-01), Murakami et al.

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