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. 09, 1985
Filed:
Nov. 10, 1983
Applicant:
Inventor:
Mitsuhiro Kishida, Itami, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B / ; H01B / ; H01B / ;
U.S. Cl.
CPC ...
174143 ; 174 / ;
Abstract
A porcelain gas-filled bushing wherein a central conductor passes through a porcelain tube which is filled with an insulating gas, a fitting flange which is fastened to one end of the porcelain tube is grounded, and an electrode which encircles the central conductor at a predetermined spacing therefrom and which is covered with an insulating member is electrically connected with the fitting flange. Alternatively, several electrodes fitting within each other may be provided around the central conductor. In one embodiment the electrodes are conical and flare radially outwardly of said central conductor from a lower end toward an upper end thereof.