Power steering system with vibration and noise suppression

Details Power steering system with vibration and noise suppression Power steering system with vibration and noise suppression

1995-03-27

1996-07-02

Hurley, Kevin T.

Motor vehicles

Steering gear

With fluid power assist

138 44, 180428, B62D 506

Patent

active

055312870

ABSTRACT:
A power steering system has a power assist for the steering gear of an automotive vehicle. The power assist comprises a piston reciprocable in a cylinder. Hydraulic fluid is delivered to opposite sides of the piston by a control valve. A pressure line delivers hydraulic fluid to the control valve from a pump. A return line returns hydraulic fluid to a pump reservoir. An anti-rattle device provides a restriction in the return line to suppress the transmission of noise and vibrations from the road travelled through the steering gear to the steering wheel.

REFERENCES:
patent: 4438827 (1984-03-01), Lang
patent: 4796715 (1989-01-01), Futaba et al.
patent: 5184693 (1993-02-01), Miller
patent: 5330024 (1994-07-01), Emori et al.

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