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:
Apr. 12, 2011
Filed:
Jun. 21, 2005
Applicant:
Hans Hermann Rottmerhusen, Tellingstedt, DE;
Inventor:
Hans Hermann Rottmerhusen, Tellingstedt, DE;
Assignee:
Audi AG, Ingolstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 3/18 (2006.01); H02P 3/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is an electromotive power steering for a motor vehicle, in which a special type of reluctance motor or series wound motor is used while such an electric motor is electronically commutated. In order to recognize an error condition in the electronic control device and the electric motor, adequate mechanisms are provided in the circuit arrangement (), the electric motor being cut from the power source by means of a relay () or by short-circuiting the power source downstream of a safety device () with the aid of a thyristor ().