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:
May. 30, 2017
Filed:
Aug. 04, 2014
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Michael E. McGuire, Milford, MI (US);
Amy K. Luebke, Northville, MI (US);
Charles C. Weddle, Waterford, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 5/04 (2006.01); F16F 15/00 (2006.01);
U.S. Cl.
CPC ...
F16F 15/002 (2013.01); B62D 5/0421 (2013.01); F16F 15/005 (2013.01);
Abstract
Electric power steering systems and a method for controlling an electric power steering system are provided. The method, for example, includes, but is not limited to, determining, by a controller, a speed of a vehicle based upon data from a sensor, and adjusting, by the controller, a stiffness of an isolator in an electric power steering system via at least one piezoelectric device embedded in the isolator based upon the determined speed of the vehicle.