Title:
ARC EXTINCTION APPARATUS OF AIR CIRCUIT BREAKER
Document Type and Number:
WIPO Patent Application WO/2020/204387
Kind Code:
A1
Abstract:
An arc extinction apparatus according to an embodiment of the present invention comprises a chamber unit, a division unit, a filter unit, and a cover unit. A discharge port is formed in the chamber unit such that a fluid in the chamber unit is discharged to the outside. An insertion groove is provided on inner surfaces of the chamber unit that face each other. The division unit is coupled to the inside of the chamber unit. In addition, the division unit divides a path of the fluid discharged through the discharge port into multiple paths. The filter unit is disposed in the discharge port and filters out at least one predetermined material from the fluid passing through the discharge port. The cover unit comprises a plurality of exhaust pipes and is coupled to the discharge port from the outside of the filter unit. Furthermore, the division unit comprises a grid and an insulation cap. Side portions of each of a plurality of grids at either side thereof are inserted into the insertion groove. The insulation cap is coupled to upper ends of the plurality of grids and comprises a vent pipe which is open between the plurality of grids.
Inventors:
LEE SANG-CHUL (KR)
LEE KYU-HO (KR)
YANG SEUNG-PIL (KR)
LEE KYU-HO (KR)
YANG SEUNG-PIL (KR)
Application Number:
PCT/KR2020/003412
Publication Date:
October 08, 2020
Filing Date:
March 11, 2020
Export Citation:
Assignee:
LS ELECTRIC CO LTD (KR)
International Classes:
H01H73/18; H01H31/02
Foreign References:
| KR100945346B1 | 2010-03-08 | |||
| KR101659861B1 | 2016-09-26 | |||
| US20080067042A1 | 2008-03-20 | |||
| CN2765313Y | 2006-03-15 | |||
| JP2003346635A | 2003-12-05 |
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)
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