Title:
アーク消弧部、及びこれを含む気中遮断器
Document Type and Number:
Japanese Patent JP7432761
Kind Code:
B2
Abstract:
Disclosed are an arc extinguishing unit and an air circuit breaker comprising same. An arc extinguishing unit, according to an embodiment of the present invention, comprises an extinguishing magnet unit that forms a magnetic field inside the arc extinguishing unit. Accordingly, a generated arc receives an electromagnetic force in the direction facing the exterior of the air circuit breaker, and thus can be rapidly moved and extinguished. The extinguishing magnet unit is accommodated in a magnet case. The magnet case can seal the extinguishing magnet unit. Therefore, the extinguishing magnet unit is not damaged by the generated arc.
Inventors:
Kim, Ilhyun
Application Number:
JP2022554438A
Publication Date:
February 16, 2024
Filing Date:
March 03, 2021
Export Citation:
Assignee:
LS ELECTRIC CO., LTD.
International Classes:
H01H9/44; H01H9/34; H01H73/18
Foreign References:
| CN101986415A | ||||
| KR1020180048151A |
Attorney, Agent or Firm:
Hidehiko Ichikawa
Nobuyoshi Wada
Nobuyoshi Wada