Invention Grant
- Patent Title: Gas circuit breaker
- Patent Title (中): 气体断路器
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Application No.: US13819848Application Date: 2010-10-12
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Publication No.: US09053883B2Publication Date: 2015-06-09
- Inventor: Toru Yamashita , Daisuke Yoshida , Katsuhiko Horinouchi , Manabu Kawakami
- Applicant: Toru Yamashita , Daisuke Yoshida , Katsuhiko Horinouchi , Manabu Kawakami
- Applicant Address: JP Chiyoda-Ku, Tokyo
- Assignee: MITSUBISHI ELECTRIC CORPORATION
- Current Assignee: MITSUBISHI ELECTRIC CORPORATION
- Current Assignee Address: JP Chiyoda-Ku, Tokyo
- Agency: Buchanan Ingersoll & Rooney PC
- International Application: PCT/JP2010/067874 WO 20101012
- International Announcement: WO2012/049730 WO 20120419
- Main IPC: H01H33/90
- IPC: H01H33/90 ; H01H33/70 ; H01H33/88
Abstract:
A gas circuit breaker includes: a sealed tank filled with insulation gas; a pair of arc contacts that are arranged to face each other in the sealed tank and connectable and disconnectable with each other; a thermal puffer chamber that is provided on an outer circumferential portion of the pair of arc contacts; a mechanical puffer chamber that is provided on an outer circumference of the thermal puffer chamber and constituted by a cylinder formed in a toric shape centering around an axial line of the arc contacts; and a piston that is formed in a toric shape centering around the axial line and accommodated in the cylinder, and configured to move according to connection and disconnection of the arc contacts.
Public/Granted literature
- US20130161288A1 GAS CIRCUIT BREAKER Public/Granted day:2013-06-27
Information query
