Title:
回路遮断器
Document Type and Number:
Japanese Patent JP5682450
Kind Code:
B2
Abstract:
A magnetic flux (17a) is generated between pairs of grid leg portions (13b and 13b) of a plurality of magnetic grids (13) configuring an arc extinguishing device (11) in a direction perpendicular to an arc (16a) generated between a fixed contact point (7) of a fixed contact (4) and a movable contact point (8) of a movable contact (6), and permanent magnets (14a and 14b) causing an electromagnetic force (18) to act so that the arc moves to a grid base portion (13a) side, and a permanent magnet holding member (15) that holds the permanent magnets and encloses the movement trajectory of the movable contact point, are disposed.
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| JPS5818830 | CIRCUIT BREAKER |
| JPS56118237 | DEVICE FOR EXTINGUISHING CIRCUIT BREAKER |
| WO/2014/155443 | CIRCUIT BREAKER |
Inventors:
浜田 佳伸
君島 芳幸
米満 和哲
恩地 俊行
山内 芳准
君島 芳幸
米満 和哲
恩地 俊行
山内 芳准
Application Number:
JP2011114368A
Publication Date:
March 11, 2015
Filing Date:
May 23, 2011
Export Citation:
Assignee:
富士電機機器制御株式会社
International Classes:
H01H73/18; H01H9/34; H01H9/36; H01H9/44
Attorney, Agent or Firm:
Hirose 1
Tanaka 秀てつ
Tanaka 秀てつ