Power steering for motor vehicles

Details Power steering for motor vehicles Power steering for motor vehicles

1996-11-08

2000-09-05

Boehler, Anne Marie

Motor vehicles

Steering gear

No mechanical connection between steering shaft and steering...

180402, 180405, 180422, 180443, B62D 504

Patent

active

061128449

ABSTRACT:
In a hydraulic power steering for a motor vehicle including a steering control element, a position setting means connected to the steering control element to be operated thereby, a control motor connected to the position setting means by way of a control circuit and a servo valve having control parts interconnected by a torsion bar so as to be retained in a predetermined position relative to each other, a hydraulic servo motor is operatively connected to the steered wheels of the motor vehicle and in communication with the servo valve such that hydraulic fluid is supplied to the hydraulic servo motor depending on the relative position of the control parts of the servo valve.

REFERENCES:
patent: 4557342 (1985-12-01), Drutchas
patent: 4940105 (1990-07-01), Matsunaga et al.
patent: 5070956 (1991-12-01), Pawlak et al.
patent: 5080186 (1992-01-01), Elser et al.
patent: 5135069 (1992-08-01), Hattori et al.
patent: 5156229 (1992-10-01), Yasui et al.
patent: 5159553 (1992-10-01), Karnopp et al.
patent: 5172785 (1992-12-01), Takahashi
patent: 5253729 (1993-10-01), Suzuki
patent: 5269389 (1993-12-01), Tomiyoshi
patent: 5289894 (1994-03-01), Yoshiyuki Yasui

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