公开(公告)号：US20250149274A1

公开(公告)日：2025-05-08

申请号：US18835126

申请日：2023-01-12

Applicant: LS ELECTRIC CO., LTD.

Inventor： Hanbaek CHUNG

IPC: H01H33/08

Abstract: An air circuit breaker is disclosed. The air circuit breaker, according to an aspect of the present disclosure, may comprise: an operation unit in which an arc is generated by operating a mover with respect to a stator; an arc extinguishing unit installed on an upper portion of the operation unit and primarily extinguishing the arc; and an insulation member installed on one side of the arc extinguishing unit and blocking a moving space of high temperature gas between the arc extinguishing unit and a terminal to prevent the high temperature gas generated in the arc extinguishing unit from moving toward the terminal. According to this configuration, the insulation member may insulate an arc moving from the arc extinguishing unit to the terminal.

公开(公告)号：USD1073631S1

公开(公告)日：2025-05-06

申请号：US29900889

申请日：2023-08-25

Applicant: LS ELECTRIC CO., LTD. ,  LS ELECTRIC (Lishui) CO., LTD.

Designer： Minho Choi

公开(公告)号：US20250130658A1

公开(公告)日：2025-04-24

申请号：US18725941

申请日：2023-04-24

Applicant: LS ELECTRIC CO., LTD.

Inventor： Sang Oh JOO

IPC: G06F3/041

Abstract: The present disclosure relates to a display device which may comprise: a main frame for fixing a touchscreen panel and a display part; a cover part coupled to the rear side of the main frame so as to seal the rear side of the touchscreen panel and the display part, and enabling cable of the touchscreen panel and the display part to be exposed to the outside while maintaining the sealed state; and a controller coupled to a portion of the rear of the cover part and connected to the cable.

公开(公告)号：US20250130114A1

公开(公告)日：2025-04-24

申请号：US18682385

申请日：2022-09-28

Applicant: LS ELECTRIC CO., LTD.

Inventor： Hyun Wook LEE ,  Min Kyu SEO ,  Ki Hyeon KIM

IPC: G01K1/08

Abstract: A sensor device is disclosed. The sensor device according to an aspect of the present disclosure may comprise: a housing within which a space is formed; a sensor module which is movably coupled to the housing and is exposed at one end thereof to the outside and configured to sense information on the state of an external member; and an electrically conducting part which is accommodated in the space of the housing and is in electrical communication with the sensor module to receive the detected information transferred from the sensor module and supply power to the sensor module therethrough, wherein the sensor module includes: a body part which is exposed to the outside; and an elastic member which is coupled to the body part and presses the body part toward the external member.

公开(公告)号：US20250128273A1

公开(公告)日：2025-04-24

申请号：US18682371

申请日：2022-09-28

Applicant: LS ELECTRIC CO., LTD.

Inventor： Min Soo SON ,  Seung Pil YANG

IPC: B04C3/04 ,  B04C9/00 ,  H05K7/20

Abstract: Disclosed are a fluid purification apparatus and a power device comprising the same. The fluid purification apparatus comprises a frame portion having a space formed therein; a cover portion covering the space and coupled to the frame portion; and purification modules each of which passes through the frame and cover portion, and communicates with the outside and the space, wherein each purification module comprises a body portion forming a part of the exterior and having an inner portion that communicates with the outside and the space to form a flow path through which a fluid from the outside flows; and a vortex formation member accommodated in the body portion and provided to turn the fluid flow from the outside into the body portion into a vortex. Thus, dust mixed in the fluid from the outside can be centrifuged from the fluid while flowing in the vortex in the body portion.

公开(公告)号：US12283879B2

公开(公告)日：2025-04-22

申请号：US18035474

申请日：2021-11-03

Applicant: LS ELECTRIC CO., LTD.

Inventor： Paul Han

IPC: H02M1/34 ,  H01R4/64 ,  H01R4/66 ,  H02M7/00

Abstract: A short circuit regulating device and a modular multi-level converter comprising the same are disclosed. The short circuit regulating device according to each embodiment of the present disclosure includes an energization block energizably connected to the capacitor assembly and a shorting block contacting or spaced apart from the energization block. Each face of the energization block and the shorting block facing each other is in contact with each other or separated from each other.
The shorting block is coupled to the support portion. A cam member is rotatably coupled to the support portion, and an elastic member elastically supports the energization block and the shorting block. Therefore, contact and separation between the energization block and the shorting block can be performed by rotation of the cam member.

公开(公告)号：US20250125735A1

公开(公告)日：2025-04-17

申请号：US18726032

申请日：2023-02-16

Applicant: LS ELECTRIC CO., LTD.

Inventor： Sun Ho BAE ,  Jae Ho LEE

IPC: H02M3/335 ,  H02M1/00

Abstract: A DC-DC converter according to an embodiment of the present disclosure comprises: a first stage converter for stepping up or stepping down an input voltage and outputting same; and a second stage converter connected to an output of the first stage converter. The first stage converter may comprise: first to fourth switches connected in series; fifth to eighth switches connected in series; a first capacitor connected in parallel with the series connection of the first and second switches; a second capacitor connected in parallel with the series connection of the third and fourth switches; a third capacitor connected in parallel with the series connection of the fifth and sixth switches; a fourth capacitor connected in parallel with the series connection of the seventh and eighth switches; a first inductor electrically connected to a first node between the first and second switches and a second node between the fifth and sixth switches; and a second inductor electrically connected to a third node between the third and fourth switches and a fourth node between the seventh and eighth switches.

公开(公告)号：US20250118516A1

公开(公告)日：2025-04-10

申请号：US18835134

申请日：2023-03-16

Applicant: LS ELECTRIC CO., LTD.

Inventor： Hyungeun CHO

IPC: H01H71/02 ,  H01H71/16 ,  H01H83/20

Abstract: The present disclosure relates to a manual motor starter and, more specifically, to a trip device for a manual motor starter. A trip device for a manual motor starter according to an embodiment of the present disclosure comprises: a trip unit body forming the base of a trip unit; a fixed contact coupled to the lower portion of the trip unit body; a heater assembly inserted and coupled to the trip unit body and detecting the heat variation; a coil coupled to the upper portion of the trip unit body; a core unit inserted into the coil; a terminal rod coupled to the core unit and the trip unit body, and having one end portion forming a terminal unit; and an instant trip lever which is rotatably coupled to the trip unit body and is operated by the core unit, wherein a coil attachment portion in which the coil is inserted and installed protrudes from the trip unit body.

公开(公告)号：US20250104952A1

公开(公告)日：2025-03-27

申请号：US18727790

申请日：2023-01-02

Applicant: LS ELECTRIC CO., LTD.

Inventor： Younghwan KIM ,  Kihwan OH ,  Insu SEO ,  Kyunghwan OH ,  Jihyoung KIM ,  Jaesung LEE

IPC: H01H73/18

Abstract: The present disclosure relates to an arc extinguishing unit of a molded case circuit breaker and, more specifically to an arc extinguishing unit of a molded case circuit breaker, having improved arc elongation performance. The arc extinguishing unit of a molded case circuit breaker, according to one embodiment of the present disclosure, comprises: a first side plate and a second side plate arranged to be spaced a predetermined distance apart from each other; a plurality of grids arranged by predetermined intervals between the first side plate and the second side plate; and an insulation member arranged to adjoin each of the plurality of grids.

公开(公告)号：US20250096757A1

公开(公告)日：2025-03-20

申请号：US18292100

申请日：2022-09-07

Applicant: LS ELECTRIC CO., LTD.

Inventor： Ju Beom SON

IPC: H03F3/45 ,  H02M7/537

Abstract: The present disclosure relates to an analog output circuit and an inverter including the same. An analog output circuit according to an embodiment of the present invention is an analog output circuit of an electronic device, comprising an operational amplifier (Op-Amp) that amplifies the difference between a first input node connected to a line of an output voltage and a second input node connected to a line of an offset voltage, and outputs a bi-directional analog signal from an output node. The analog output circuit comprises: a first switch unit having one end connected to the first and second input nodes and the other end connected to the ground to switch between the one end and the other end; and a control unit that generates a control signal for controlling switching of the first switch unit.