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:
May. 24, 1977
Filed:
Mar. 10, 1976
Applicant:
Inventor:
Walter W Lang, Beaver Falls, PA (US);
Assignee:
Westinghouse Electric Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361111 ; 323 / ; 361 93 ;
Abstract
A circuit breaker comprises a stored energy mechanism and a solid state overcurrent sensing trip circuit. The circuit breaker also includes a remotely operable shunt trip device having a zener diode for operation from high voltage control circuits without the necessity for a stepdown transformer.