The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 2002
Filed:
Nov. 16, 2000
Applicant:
Inventor:
Alexander Kleist, Düsseldorf, DE;
Assignee:
TRW Fahrwerksysteme GmbH & Co. KG, Dusseldorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
B62D 5/00 ;
U.S. Cl.
CPC ...
B62D 5/00 ;
Abstract
An electrohydraulic steering system comprises a servo cylinder which has two chambers, an electric motor and a servo pump connected to the electric motor and being adapted to be driven in two different directions. The servo pump is directly connected to the servo cylinder and, depending on the driving direction, is able of pressurizing one or the other of the chambers of the servo cylinder with a volume flow of a hydraulic fluid. The system further comprises a control unit controlling the electric motor.