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. 20, 2015
Filed:
Aug. 30, 2011
Hirokazu Otani, Chiyoda-ku, JP;
Toru Yamashita, Chiyoda-ku, JP;
Daisuke Yoshida, Chiyoda-ku, JP;
Haruhiko Koyama, Chiyoda-ku, JP;
Hirokazu Otani, Chiyoda-ku, JP;
Toru Yamashita, Chiyoda-ku, JP;
Daisuke Yoshida, Chiyoda-ku, JP;
Haruhiko Koyama, Chiyoda-ku, JP;
MITSUBISHI ELECTRIC CORPORATION, Chiyoda-Ku, Tokyo, JP;
Abstract
A gas circuit breaker includes a sealed tank that includes first and second conductor containers with an insulating tube therebetween and is filled with insulating gas; a fixed arcing contact on the first conductor container side; a movable arcing contact that is provided on the second conductor container side and moves to be able to contact and separate from the fixed arcing contact; a fixed conductive contact on the first conductor container side; a movable conductive contact that moves in accordance with contact and separation of the movable arcing contact and contacts and separates from the fixed conductive contact; and a puffer unit that is provided on the second conductor container side and has a mechanical puffer chamber accommodating the movable conductive contact formed therein, wherein the puffer unit is arranged between the insulating tube and the second conductor container and is exposed to the periphery of the sealed tank.