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. 11, 1976
Filed:
May. 20, 1974
Applicant:
Inventors:
Robert M Roidt, Pittsburgh, PA (US);
Bruce W Swanson, Pittsburgh, PA (US);
Assignee:
Westinghouse Electric Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
2001 / ;
Abstract
A fluid blast circuit interrupter is provided having a pair of compact toroidal-shaped nozzles, steady-state current-carrying contacts, arc-establishing contacts, and a blast valve. A rotatable cam plate provides independent actuation of the steady-state contacts, the arc-establishing contacts, and the blast valve mechanism in a variable and predetermined manner.