Title:
VACUUM VALVE AND VACUUM CIRCUIT BREAKER USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/189939
Kind Code:
A1
Abstract:
This vacuum valve (1) comprises: a vacuum container (2) formed by bringing together the openings of two insulation containers (9) that have an opening at one end; a pair of electrodes provided inside the vacuum container (2); and an arc shield (10) having a soiling prevention part (10a) covering the periphery of the electrodes, and protruding sections (10c) protruding in the direction following the outer peripheral surface of the soiling prevention part (10a), the arc shield (10) being positioned by engaging the protruding sections (10c) in the openings.
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Inventors:
TAKAI YUICHI (JP)
Application Number:
PCT/JP2017/038484
Publication Date:
October 18, 2018
Filing Date:
October 25, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01H33/662
Foreign References:
| JP2003317583A | 2003-11-07 | |||
| GB2341979A | 2000-03-29 | |||
| JPS4988082A | 1974-08-22 | |||
| JPH0348828U | 1991-05-10 | |||
| JPH11167849A | 1999-06-22 | |||
| JPS58169833A | 1983-10-06 | |||
| JPS58204432A | 1983-11-29 |
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
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