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:
Oct. 18, 1988
Filed:
Mar. 16, 1987
Applicant:
Inventors:
David W Beitz, Waukesha, WI (US);
John P DuPont, Waukesha, WI (US);
Assignee:
RTE Corporation, Brookfield, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361127 ; 361117 ; 361130 ; 361 40 ; 338 21 ;
Abstract
An arrester for use under oil in an electrical apparatus, the arrester comprising a first contact assembly, a plurality of valve blocks, a second contact assembly, and a conductive cement serially electrically connecting the first contact assembly, each of the plurality of valve blocks, and the second contact assembly. The arrester also includes a thin insulative inert to oil coating completely covering the plurality of valve blocks, the coating and the cement permitting electrical separation of the valve blocks in the event of electrical destruction of the valve blocks.