公开(公告)号：US20230154711A1

公开(公告)日：2023-05-18

申请号：US17916710

申请日：2021-03-29

Applicant: LS ELECTRIC CO., LTD.

Inventor： Sang-Chul LEE ,  Young KIM ,  Han-Baek CHUNG

IPC: H01H71/04 ,  H01H71/52 ,  H01H9/16

CPC classification number: H01H71/04 ,  H01H71/522 ,  H01H9/161 ,  H01H2071/046

Abstract: The present disclosure provides an entrance and exit position detection device for a power device. The entrance and exit position detection device for a power device comprises: a cradle which is open on one side and has an arrangement space formed therein; a power device body which may be in the arrangement space and has a guide plate formed on one side portion thereof; and a position detection part which linearly detects the displaced position of the power device body while the cradle enters and exits the arrangement space. Also, the present disclosure provides an entrance and exit monitoring system which has the above-described entrance and exit position detection device for the power device.

公开(公告)号：US20220189724A1

公开(公告)日：2022-06-16

申请号：US17600859

申请日：2020-03-11

Applicant: LS ELECTRIC CO., LTD.

Inventor： Sang-Chul LEE ,  Kyu-Ho LEE ,  Seung-Pil YANG

IPC: H01H73/18 ,  H01H9/34

Abstract: An arc extinction apparatus according to an embodiment of the present disclosure 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 faces 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.