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:
Jun. 01, 2004
Filed:
Nov. 20, 2002
Applicant:
Inventors:
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 6/104 ; H01H 7/116 ;
U.S. Cl.
CPC ...
H01H 6/104 ; H01H 7/116 ;
Abstract
A disconnect switch for the load circuit of a vehicle battery, includes a movable contact element ( ) and a stationary contact element ( ) that are linked with a locking mechanism. For releasing the locking mechanism a shape-memory alloy release element ( ) is used that contracts when heated. For closing the locking mechanism a shape-memory alloy spring element ( ) is provided that induces closure of the mechanism by expansion.