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, 2008
Filed:
Aug. 30, 2006
Applicant:
Bruce M. Cook, Pittsburgh, PA (US);
Inventor:
Bruce M. Cook, Pittsburgh, PA (US);
Assignee:
Westinghouse Electric Co LLC, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 3/00 (2006.01); H02P 9/06 (2006.01); H02P 11/00 (2006.01); H02P 15/00 (2006.01); H02H 5/04 (2006.01); H02H 7/08 (2006.01); G01R 31/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A solid state reversing DC motor starter that is testable on-line and satisfies the requirements for nuclear safety grade equipment. The motor starter employs a bridge of solid state switches which connect the polarity of the motor winding to conform to the desired direction of travel. The reversing switch bridge is in series with the main switch that is coupled in parallel with a reduced current by-pass flow path.