Hydraulic power steering system

Details Hydraulic power steering system Hydraulic power steering system

2011-05-17

2011-05-17

Silbermann, Joanne (Department: 3611)

Motor vehicles

Steering gear

With fluid power assist

C180S417000

Reexamination Certificate

active

07942231

ABSTRACT:
A hydraulic auxiliary power steering for motor vehicles having a source for a hydraulic medium, in particular an oil pump, which can be driven during operation by a drive device, in particular by an internal combustion engine of the vehicle or by an electric motor, having a steering transmission and having a line system for the hydraulic medium connecting the source to the steering transmission, wherein the line system has at least two line sections through which the hydraulic medium can flow.

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patent: 4570667 (1986-02-01), Masica et al.
patent: 4947951 (1990-08-01), Miller
patent: 5791141 (1998-08-01), Phillips
patent: 6931981 (2005-08-01), Urbach
patent: 2006/0225944 (2006-10-01), Abner et al.
patent: 2007/0137923 (2007-06-01), Dennis
patent: 2008/0135325 (2008-06-01), Stuhldreher et al.
patent: 2008/0202842 (2008-08-01), Shevket
patent: 2009/0173565 (2009-07-01), Dennis
patent: 10351089 (2005-05-01), None
Search Report from European Patent Application No. 08009402.2.

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