Title:
ARC-EXTINGUISHING DEVICE AND MANUFACTURING METHOD FOR ARC-EXTINGUISHING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/124360
Kind Code:
A1
Abstract:
This arc-extinguishing device (100) eliminates an arc generated when a circuit breaker blocks an electric current. The arc-extinguishing device (100) comprises: a lower lid (1) that has a first sidewall and a second sidewall that face each other, and that constitutes an outer shell of the arc-extinguishing device (100); a plurality of grids that are held by the lower lid (1), and that separate an arc in the interior of the arc-extinguishing device (100); and an upper lid (4) that is attached to the lower lid (1) and that covers the plurality of grids. The lower lid (1), the plurality of grids, and the upper lid (4) constitute a unit structure wherein said components can be detached from the circuit breaker in a state of being integrated with each other, and can be mounted to the circuit breaker in a state of being integrated with each other. The first sidewall and the second sidewall each have a plurality of holding grooves. Each of the plurality of grids is held by a holding groove of the first sidewall and a holding groove of the second sidewall.
More Like This:
| WO/1995/008832 | POWER SWITCH WITH AN ARC QUENCHING DEVICE |
| WO/2022/181980 | ARC CHUTE AND LOAD BREAK SWITCH INCLUDING SAME |
Inventors:
HARA NORIYOSHI (JP)
EGO KENICHI (JP)
HARUNA KENICHI (JP)
EGO KENICHI (JP)
HARUNA KENICHI (JP)
Application Number:
PCT/JP2021/045269
Publication Date:
June 16, 2022
Filing Date:
December 09, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01H9/34; H01H73/18
Foreign References:
| JPH09171760A | 1997-06-30 | |||
| US20100258531A1 | 2010-10-14 | |||
| JPS6341845U | 1988-03-18 | |||
| JPH0170226U | 1989-05-10 | |||
| JPS5099461U | 1975-08-18 | |||
| JPH08227648A | 1996-09-03 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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