The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 25, 2026
Filed:
Apr. 22, 2022
Applicant:
Ls Electric Co., Ltd., Anyang-si, KR;
Inventor:
Seung Pil Yang, Anyang-si, KR;
Assignee:
LS ELECTRIC CO., LTD., Anyang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 33/10 (2006.01); H01H 73/04 (2006.01); H01H 73/18 (2006.01);
U.S. Cl.
CPC ...
H01H 33/10 (2013.01); H01H 73/04 (2013.01); H01H 73/18 (2013.01);
Abstract
Disclosed are an arc extinguishing unit and an air circuit breaker comprising the same. An arc extinguishing unit according to an embodiment of the present disclosure includes a gassing material that generates molecules that extinguish an arc when heat generated by the arc is applied. Accordingly, the arc can be extinguished quickly. In addition, the arc extinguishing unit includes an outer support plate made of glass fiber and has a mechanically and thermally strong side plate part, so that burnout due to arc heat can be prevented.