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Patent Searching and Data


Title:
CONTACTOR DEVICE FOR CIRCUIT BREAKER AND CIRCUIT BREAKER USING SAME CONTACTOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/183679
Kind Code:
A1
Abstract:
[Problem] To obtain a configuration having an effect of increasing the external force working on an arc to achieve a shortening of commutation time through a simple configuration and without increasing the size of the device. [Solution] An arc-generation chamber is configured from main contactors provided on a stationary side and a mobile side, arc contactors provided on the stationary side and the mobile side, and side walls of an arc-extinction chamber. At least the side surface and the bottom surface of the arc-generation chamber are surrounded by insulation walls, leaving an opening in the direction of the arc-extinguishing chamber.

Inventors:
SASAKI Hiroshi (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
TOBA Shinji (1-13-5 Kudankita, Chiyoda-k, Tokyo 73, 〒1020073, JP)
TANAKA Sho (1-13-5 Kudankita, Chiyoda-k, Tokyo 73, 〒1020073, JP)
Application Number:
JP2017/015829
Publication Date:
October 26, 2017
Filing Date:
April 20, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H01H33/08; H01H33/12; H01H33/18; H01H33/20; H01H73/02; H01H73/18
Foreign References:
JPS523464B11977-01-28
JP2015130277A2015-07-16
JPS6282536U1987-05-26
EP0955659A21999-11-10
JPH10269923A1998-10-09
JPH07320624A1995-12-08
JP2015170537A2015-09-28
JP2014216078A2014-11-17
JP2015130277A2015-07-16
JPH0218237U1990-02-06
Other References:
See also references of EP 3447782A4
Attorney, Agent or Firm:
OIWA Masuo et al. (35-8, Minamimukonoso 3-chomeAmagasaki-sh, Hyogo 33, 〒6610033, JP)
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