Steering force controller for power steering device

Details Steering force controller for power steering device Steering force controller for power steering device

1987-01-08

1988-11-01

Love, John J.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

36442405, B62D 506

Patent

active

047812630

ABSTRACT:
A steering force controller for an automobile power steering device includes a solenoid-operated valve openable and closable by a current applied to a solenoid thereof for controlling a fluid supplied under pressure to a power cylinder for operating steerable wheels, an automobile speed sensor for detecting a speed of travel of the automobile, a steering angle sensor for detecting a steering angle of the steering wheel and issuing a signal indicative of the detected steering angle, a discriminator for determining a running mode of the automobile from a variance of steering angle signals, and a control unit responsive to an output from the discriminator for controlling the current fed to the solenoid dependent on an input signal indicating the automobile speed, according to a respective one of different control patterns.

REFERENCES:
patent: 4437532 (1984-03-01), Nakamura et al.
patent: 4476529 (1984-10-01), Nakamura et al.
patent: 4574905 (1986-03-01), Asano et al.
patent: 4593358 (1986-06-01), Takeshima et al.
patent: 4602695 (1986-07-01), Takeshima et al.
patent: 4606423 (1986-08-01), Fujiwara
patent: 4651290 (1987-03-01), Masaki et al.

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