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:
Aug. 30, 1983
Filed:
Jun. 29, 1981
Applicant:
Inventors:
Roy E Wootton, Murrysville, PA (US);
Roy E Voshall, Monroeville, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
2001 / ;
Abstract
A vacuum circuit interrupter including axial magnetic field generating means, and arc contact structure comprising means for spacially modulating the axial magnetic field over the area of the contact. This contact structure produces adjacent regions of different magnetic field strength over the contact area, whereby a plurality of spaced apart low arc voltage, stable parallel arc current paths are established over the contact area.