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. 14, 2009
Filed:
Dec. 28, 2006
John Charles Hill, Georgetown, MA (US);
Marcelo Esteban Valdes, Burlington, CT (US);
Ajit Wasant Kane, Bangalore, IN;
John Charles Hill, Georgetown, MA (US);
Marcelo Esteban Valdes, Burlington, CT (US);
Ajit Wasant Kane, Bangalore, IN;
General Electric Company, Schenectady, NY (US);
Abstract
A method of protecting a circuit having power switching devices that includes communicating a current in at least one secondary switching device to at least one master switching device and determining a presence of a fault condition within at least a first zone based at least in part upon characteristics of the current in the at least one secondary switching device communicated to the at least one master switching device to perform differential protection.