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:
Sep. 01, 2015
Filed:
May. 06, 2013
Applicant:
Technology Research Corporation, Clearwater, FL (US);
Inventor:
David L Sykes, Pinellas Park, FL (US);
Assignee:
Technology Research Corporation, Clearwater, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 9/30 (2006.01); H02H 9/04 (2006.01); H02H 7/22 (2006.01);
U.S. Cl.
CPC ...
H02H 9/04 (2013.01); H02H 7/222 (2013.01);
Abstract
An improved arc suppression circuit is disclosed for a switch having switch comprising a shunt circuit connected across the switch. A trigger circuit senses the voltage across the switch for actuating the shunt circuit when voltage across the switch contacts exceeds a predetermined level to reduce arcing current at the switch.