公开(公告)号：US20230020170A1

公开(公告)日：2023-01-19

申请号：US17756943

申请日：2020-04-01

Applicant: LS ELECTRIC CO., LTD.

Inventor： Han-Joo LEE ,  Hong-Ik YANG

IPC: H02B1/14 ,  H02B1/04

Abstract: The present invention disclosure provides a switchboard having a rotating shutter structure. The switchboard having a rotating shutter structure comprises: a switchboard body that is provided with a circuit breaker chamber into which a circuit breaker is inserted, and an open hole formed in the rear surface to expose a conductor part of a bushing assembly to the circuit breaker chamber; a shutter part that is rotatably installed in the switchboard body and opens/closes the open hole by rotating; and an operation unit that is installed in the switchboard body and rotates the shutter part when the circuit breaker is inserted into the circuit breaker chamber.

公开(公告)号：US20240079860A1

公开(公告)日：2024-03-07

申请号：US18272145

申请日：2021-11-25

Applicant: LS ELECTRIC CO., LTD.

Inventor： Han-Joo LEE ,  Hong-Ik YANG

IPC: H02B11/173 ,  H01H71/52

CPC classification number: H02B11/173 ,  H01H71/522

Abstract: One embodiment of a bogie apparatus may comprise: a horizontal frame; vertical frames respectively coupled to both ends of the horizontal frame and provided in a pair; an end bar having both end parts respectively coupled to one end of the pair of horizontal frames; and a connector assembly coupled to the end bar so as to move in at least one direction among upward, downward, left, and right directions. The connector assembly may comprise: a socket portion having a plurality of wiring terminals; a socket mounting portion having the socket portion mounted thereon, and provided in a plate shape; and a guide bushing formed so as to protrude from the socket mounting portion and away from the socket portion, and having a hollow.

公开(公告)号：US20220384132A1

公开(公告)日：2022-12-01

申请号：US17755954

申请日：2020-03-27

Applicant: LS ELECTRIC CO.,LTD.

Inventor： Hong-Ik YANG

IPC: H01H71/10 ,  H01H71/02

Abstract: The present disclosure relates to a circuit breaker comprising: a circuit breaking part in which contact points of a fixed contact and a movable contact are in contact with each other; and an energy accumulation part for accumulating energy of a closing spring for controlling contact between the fixed contact and the movable contact, wherein the energy accumulation part comprises: an electromotive energy accumulation part; and a manual energy accumulation part separated from the electromotive energy accumulation part by a manual energy accumulation spring, and engaged with the electromotive energy accumulation part by unit of external pressure so as to transmit an inputted rotational force to the electromotive energy accumulation part, thereby accumulating the energy of the closing spring.