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.

Date of Patent:
May. 09, 2017

Filed:

Nov. 07, 2012
Applicants:

Toru Fukasawa, Tokyo, JP;

Takashi Ito, Tokyo, JP;

Hiroaki Miyashita, Tokyo, JP;

Inventors:

Toru Fukasawa, Tokyo, JP;

Takashi Ito, Tokyo, JP;

Hiroaki Miyashita, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/16 (2006.01); G01R 31/12 (2006.01);
U.S. Cl.
CPC ...
G01R 31/16 (2013.01); G01R 31/1254 (2013.01); G01R 31/1272 (2013.01);
Abstract

A partial discharge sensor includes: a first ground () that constitutes a closed space () to surround a high-voltage wire (); and a cylindrical branch pipe () disposed at the first ground () to protrude to an outer space to house with a lid () a first metal container () having at least one hole through which gas can pass, and having a slit () formed on the side to the space (); at one end of a coaxial wire () disposed in the container (), an outer conductor () of the coaxial wire () is connected to the first metal container () at a portion near the center of the slit (), and an inner conductor () of the coaxial wire () is connected to the first metal container () at an opposite portion to a position where the outer conductor () is connected across the slit ().


Find Patent Forward Citations

Loading…