Power steering apparatus

Details Power steering apparatus Power steering apparatus

1996-03-07

1998-06-09

DePumpo, Daniel G.

Motor vehicles

Steering gear

With fluid power assist

180417, 180421, B26D 506

Patent

active

057621594

ABSTRACT:
A power steering apparatus comprising structure for smoothing a load detection signal obtained by detecting the load of a hydraulic pump and structure for controlling the rotational speed of an electric motor for driving the hydraulic pump, wherein the control valve controls a working oil pressure by a hydraulic pump on the basis of manipulation of steering wheel, whereby the steering operation is assisted.

REFERENCES:
patent: 4392540 (1983-07-01), Michio et al.
patent: 5029660 (1991-07-01), Raad et al.
patent: 5289894 (1994-03-01), Yoshiyuki
patent: 5372214 (1994-12-01), Haga et al.
patent: 5467281 (1995-11-01), Iwashita et al.

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