Hydraulic steering

Details Hydraulic steering Hydraulic steering

2011-08-16

2011-08-16

Silbermann, Joanne (Department: 3611)

Motor vehicles

Steering gear

With fluid power assist

C180S403000, C180S442000

Reexamination Certificate

active

07997379

ABSTRACT:
The invention concerns a hydraulic steering (1) with a steering valve (7) located between a supply connection arrangement (P, T) and a steering motor (2). It is endeavored to improve the safety of such a steering. For this purpose, the steering valve (7) has a hydraulic drive (9, 10) with a pilot valve arrangement (11) supplied by a pressure control valve (5), a stop valve (16) being located between the pressure control valve (5) and the pilot valve arrangement (11).

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Article “Reatronic” from website http://ognibene.com/eng/02/xidro—reatronic.htm dated Mar. 13, 2007; 2 pages.
Co-pending U.S. Appl. No. 11/714,364 entitled “Hydraulic Steering” filed Mar. 6, 2007.
Co-pending U.S. Appl. No. 11/714,419 entitled “Hydraulic Steering” filed Mar. 6, 2007.
Co-pending U.S. Appl. No. 11/714,424 entitled “Hydraulic Steering” filed Mar. 6, 2007.

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