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 JP7432760
Kind Code:
B2
Abstract:
An arc extinguishing unit and an air circuit breaker comprising same are disclosed. The arc extinguishing unit according to an embodiment of the present invention comprises an arc extinguishing magnet located above a grid. The arc extinguishing magnet forms a magnetic field in the arc extinguishing part and in a fixed contact and a movable contact that are located adjacent to the arc extinguishing part. An arc generated as the fixed contact and the movable contact are separated from each other receives an electromagnetic force in the formed magnetic field. The electromagnetic force passes through the grid and is formed in a direction facing the exterior of the arc extinguishing part. Thus, the generated arc may be quickly extinguished and moved.
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Inventors:
Lee Sang Chul
Application Number:
JP2022554437A
Publication Date:
February 16, 2024
Filing Date:
March 03, 2021
Export Citation:
Assignee:
LS ELECTRIC CO., LTD.
International Classes:
H01H9/44; H01H9/34
Domestic Patent References:
| JP2016538692A |
Foreign References:
| WO2013108291A1 | ||||
| CN101986415A |
Attorney, Agent or Firm:
Hidehiko Ichikawa
Nobuyoshi Wada
Nobuyoshi Wada