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:
Nov. 16, 2021
Filed:
Dec. 01, 2017
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Energy Systems & Solutions Corporation, Kawasaki, JP;
Takanori Iijima, Yokohama Kanagawa, JP;
Toshiyuki Uchii, Yokohama Kanagawa, JP;
Amane Majima, Kawasaki Kanagawa, JP;
Norimitsu Kato, Yokohama Kanagawa, JP;
Akira Shimamura, Yokohama Kanagawa, JP;
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, Kawasaki, JP;
Abstract
A gas circuit breaker to reduce deterioration of insulation and current-breaking performance thereof includes a sealed container () filled with arc-extinguishing gas. A first fixed contactor portion () and a second fixed contactor portion () are fixed to the sealed container (). A movable contactor portion () moves between the first fixed contactor portion () and the second fixed contactor portion () and conducts and breaks current between the first fixed contactor portion () and the second fixed contactor portion (). An arc is generated between a fixed arc contactor () provided to the first fixed contactor portion () and a movable arc contactor () provided to the movable contactor portion () when current breaking action is extinguished by an arc-extinguishing gas being sprayed thereto. Unnecessary gas generated from the arc-extinguishing gas sprayed to the arc is accumulated in a gas chamber ().