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:
Jul. 08, 2014
Filed:
Mar. 15, 2012
Nancy L. Johnson, Northville, MI (US);
Alan L. Browne, Grosse Pointe, MI (US);
Xiujie Gao, Troy, MI (US);
Nilesh D. Mankame, Ann Arbor, MI (US);
Paul W. Alexander, Ypsilanti, MI (US);
Pablo D. Zavattieri, West Lafayette, IN (US);
Nancy L. Johnson, Northville, MI (US);
Alan L. Browne, Grosse Pointe, MI (US);
Xiujie Gao, Troy, MI (US);
Nilesh D. Mankame, Ann Arbor, MI (US);
Paul W. Alexander, Ypsilanti, MI (US);
Pablo D. Zavattieri, West Lafayette, IN (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A system for and method of providing overload protection for an active material actuator, includes a magnetically functioning mechanism comprising, for example, one or more permanent or electromagnets, and/or magnetorheological fluid, and configured to produce a holding force less than the capacity of the actuator, and more preferably, a modifiable holding force responsive to load influencing conditions.