Title:
VACUUM CIRCUIT BREAKER
Document Type and Number:
WIPO Patent Application WO/2024/080769
Kind Code:
A1
Abstract:
The present invention is a vacuum circuit breaker (20). The vacuum circuit breaker (20) can be installed so as to pass through the inner space (12) of an enclosure (10) and the enclosure (10). The vacuum circuit breaker (20) includes a vacuum blocking part (210) and a linkage structure (230). The linkage structure (230) may be provided with a piston (246) providing a force capable of offsetting the magnetic force of the vacuum blocking part (210). The piston (246) has a larger diameter than a driving rod (254) passing through the enclosure (10) and can have a diameter equal to or similar to the effective size of a bellows (224) in the vacuum blocking part (210).
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Inventors:
YOON JUNG WON (KR)
JEONG KWANG HO (KR)
KIM NAM GU (KR)
JEONG KWANG HO (KR)
KIM NAM GU (KR)
Application Number:
PCT/KR2023/015690
Publication Date:
April 18, 2024
Filing Date:
October 12, 2023
Export Citation:
Assignee:
HYOSUNG HEAVY IND CORP (KR)
International Classes:
H01H33/662; H01H33/666
Foreign References:
| JP2005276839A | 2005-10-06 | |||
| KR20120073697A | 2012-07-05 | |||
| KR20180100242A | 2018-09-07 | |||
| KR101613812B1 | 2016-04-19 | |||
| KR20210047623A | 2021-04-30 |
Attorney, Agent or Firm:
NAMCHON PATENT AND LAW FIRM (KR)
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