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:
Jan. 18, 2022
Filed:
Dec. 01, 2017
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Energy Systems & Solutions Corporation, Kawasaki, JP;
Toshiyuki Uchii, Yokohama Kanagawa, JP;
Tomoyuki Yoshino, Yokohama Kanagawa, JP;
Takato Ishii, Kawasaki Kanagawa, JP;
Akira Shimamura, Yokohama Kanagawa, JP;
Tsutomu Tanaka, Yokohama Kanagawa, JP;
KABUSHIKI KAISHATOSHIBA, Tokyo, JP;
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, Kawasaki, JP;
Abstract
A gas circuit breaker comprises: a first arc contactor; a cylindrical second arc contactor; a rod-shaped trigger electrode 31 that is disposed to be movable between the first arc contactorand the second arc contactor, and moves inside the cylindrical second arc contactorto ignite an arc at the second arc contactorin the latter half of the current break interval; and a guide portionthat has an inner diameter larger than the outer diameter of the trigger electrode, has an inner diameter smaller than the inner diameter of a portion of the second arc contactorwhich is close to the trigger electrode, and is disposed in the cylinder of the second arc contactorso as to go around the trigger electrodewhen the trigger electrodeis in a closed state with the first arc contactor