Title:
STATIONARY CONTACTOR FOR DC CIRCUIT BREAKER AND DC CIRCUIT BREAKER COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2024/096279
Kind Code:
A1
Abstract:
Disclosed are a stationary contactor for a DC circuit breaker and a DC circuit breaker comprising same, which can rapidly guide an arc, generated when a movable contactor is spaced apart from the stationary contactor, to a grid of an arc-extinguishing unit, thereby preventing internal damage to the breaker due to the generation of the arc. The disclosed stationary contactor for a DC circuit breaker comprises: an upper tab; a lower tab formed below the upper tab; and a connection tab which connects the upper tab and the lower tab to each other, wherein the lower tab has an arc guide formed to rapidly guide an arc, generated when a movable contactor is spaced apart from the stationary contactor, to a grid of an arc-extinguishing unit.
More Like This:
| JPS56138846 | BREAKER MECHANISM |
| WO/2016/165402 | CIRCUIT BREAKER |
Inventors:
PARK JUNG SOO (KR)
CHOI WON KYU (KR)
KWON MIN SU (KR)
SON MYOUNG HUN (KR)
CHOI WON KYU (KR)
KWON MIN SU (KR)
SON MYOUNG HUN (KR)
Application Number:
PCT/KR2023/012204
Publication Date:
May 10, 2024
Filing Date:
August 17, 2023
Export Citation:
Assignee:
DAERYUK CO LTD (KR)
International Classes:
H01H73/04; H01H33/59; H01H71/12; H01H71/24; H01H71/74
Foreign References:
| US20100288732A1 | 2010-11-18 | |||
| JP2019212389A | 2019-12-12 | |||
| KR20200099389A | 2020-08-24 | |||
| KR20200114835A | 2020-10-07 | |||
| KR20190002232U | 2019-09-04 |
Attorney, Agent or Firm:
BAN, Jung Hyuk (KR)
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