Lg Electronics Inc.

Lg Magna E-powertrain Co., Ltd.

Seoul National University

Junho Ahn

Hoonbong Lee

Yanghwan Kim

Koonseok Lee

Kyeonghwan Kim

Wonjung Sung

Gyeongjae Park

Hojun Shin

Yangsoo Lee

Dalho Cheong

Seogho Go

Jonghee Han

Donghyun Kim

Jangwon Lee

Junghyun Park

Hoyoung Kim

Bongmun Jang

Joongkeun Lee

Daegeun Seo

Seungje Park

Jaeyong Park

Jaemin Kim

Heon Ju Lee

Kangwoon Cheon

Jongsu Kim

Minchel Kim

Kuyoung Son

Jongwon Kim

Hyoungjun Park

Yongwoon Jang

Daeyong Kang

Shinjae Jeong

Dosun Kim

Seungsuk Oh

Woonghyun Lee

Wookjin Lee

Myungkeun Yoo

Seonghwan Kang

Jonggyu Lee

Hyounguk Nam

Daehwan Park

Jungdae Lee

Sangwook Seo

Jeongsang Seo

Jaehyeok Choi

Joonhwan Lee

Yongtae Kwon

Moonseok Seo

Kyungeun Jo

Sangil Hwang

Jungik Ha

Sunhee Kang

Sungho Jung

Jinseong Hwang

Sangmin Yeo

Hoseon Choi

Gilsup Jeong

Deagui Lee

Younghyo Son

Munseok Seo

Jeongwon Lee

Wonchul Jeong

Donghun Youn

Sangyub Kim

Chulkyu Park

Yeongjoo Cheon

Hyunjung Kwak

Sangseog Kang

Younghyun Kang

Youngtae Kwon

Jaekuk Kwon

Byeongho Min

Kicheol Shin

Dongchun Shin

Taeyun Lim

Juyoung Cha

Sungyong Heo

Yonghun Kim

Eunkyung Seo

Younghoon Joo

Munho Choi

Jimoon Jung

Kim Museung

Jeon Chansung

Kang Seonghwan

Choi Jongmi

Kang Daejong

Park Hyoungiun

The present disclosure provides a stator of an electric rotating machine, a hairpin of a stator of an electric rotating machine, and a manufacturing method thereof. The stator for the electric rotating machine comprises a stator core, and a stator coil comprising hairpins. Each hairpin comprises a conductor, a film surrounding the conductor, a pair of insertion parts configured to be inserted into different slots, and a connection part connecting the insertion parts. The connection part comprises first and second bending parts bent with a predetermined radius of curvature such that the pair of insertion parts are insertable into different layers. The hairpins include first and second hairpins, each of the first and second hairpins configured to protrude from one end of the stator core by different protrusion lengths. Each of the first and second hairpins comprises a region configured to cross each other.

Stator of electric rotating machine, hairpin of stator of electric rotating machine and manufacturing method thereof

The present disclosure provides a motor configured to receive driving power from a connector including power terminals. The motor comprises a housing, a terminal block disposed inside the housing, and at least one terminal located adjacent to the terminal block. The power terminals are configured to penetrate through the terminal block, and the at least one terminal is configured to be brought into contact with the power terminal according to a movement of the connector when hairpin coils are inserted in the connector, such that the driving power is applied to the hairpin coils via the power terminal.

Motor

A printed circuit board assembly is disclosed. The printed circuit board assembly includes a printed circuit board, a sensor mounted on one side of the printed circuit board to detect a magnetic field, and a bus bar disposed in contact with another side of the printed circuit board, wherein a thickness between a region of the another side of the printed circuit board, with which the bus bar is in contact, and the one side of the printed circuit board is smaller than a thickness between a remaining region of the another side of the printed circuit board and the one side of the printed circuit board.

Printed circuit board assembly

A motor includes a rotor assembly and a stator. The rotor assembly includes a rotatable shaft extending in an axial direction, a rotor core coupled to the rotatable shaft and having a plurality of holes penetrating through the rotor core in the axial direction, a first end ring coupled to one end of the rotor core and configured to guide oil supplied to the rotor assembly into the plurality of holes, and a second end ring coupled to the opposite end of the rotor core and configured to guide oil passing through the plurality of holes in a radial direction.

The embodiments of the present disclosure provide a shaft structure of a motor, comprising a housing, a stator disposed inside the housing, and a rotor rotatably disposed inside the stator. The stator may comprise a stator core and a coil wound around the stator core, and the rotor may comprise a rotor core and a rotational shaft coupled to the rotor core. The rotational shaft may comprise a plurality of adjusting portions formed on an outer circumferential surface of the rotational shaft to align a center of gravity of the rotor with a center of the rotational shaft.

Shaft structure with adjustment portions for alignment with rotor center of gravity

The present disclosure relates to a switching semiconductor device and a cooling apparatus thereof. The cooling apparatus of the switching semiconductor device of the present disclosure comprises a first heat dissipation plate configured to facilitate heat dissipation of a surface of the semiconductor device at an installation space, and a second heat dissipation plate disposed inside the installation space along a thickness direction of the first heat dissipation plate. The installation space is formed in a predetermined size at the surface of the semiconductor device, and the second heat dissipation plate is configured to contact the first heat dissipation plate so as to allow heat exchange. Accordingly, a heat dissipation area may be increased without increasing a size of the installation space.

Switching semiconductor device and cooling apparatus thereof

The present disclosure relates to a stator for an electric rotating machine, the stator comprising a stator core comprising teeth and slots, and a stator coil comprising a plurality of hairpins configured to be inserted into the slots of the stator core in a predetermined pattern. Each of the plurality of hairpins comprises a conductor and a coating layer surrounding an outer surface of the conductor. The plurality of hairpins comprise a first hairpin configured to be placed in a first section of the stator coil predetermined from an end to which power is to be input, and a second hairpin placed in a section after the first section. The first hairpin provides better insulation performance than the second hairpin, and the first section has a higher voltage distribution ratio than the section including the second hairpin.

Stator for electric rotating machine

The present invention relates to a motor driving apparatus and a home appliance comprising the same. The motor driving apparatus according to an embodiment of the present invention comprises: an inverter which converts a direct current power source of a DC stage capacitor to an alternating current power source and outputs the converted alternating power source to a motor by a switching operation; a DC stage resistance device arranged between the DC stage capacitor and the inverter; and a control unit which controls the inverter on the basis of phase current sampled by means of the DC stage resistance device, wherein the control unit controls the frequency of voltage applied to the motor or the rotation frequency of the motor to be synchronized with the sampling frequency of the phase current sampled via the DC stage resistance device. Accordingly, it is possible to accurately calculate the phase current flowing through the motor by means of the DC stage resistance device.

Motor driving apparatus and home appliance comprising same

Disclosed are a rotor that is capable of more efficiently using magnetic flux from magnets and a motor including the same. The rotor includes a plurality of rotor cores, a plurality of magnets magnetized such that magnetic flux is formed in the circumferential direction, the magnets and the rotor cores being alternately arranged in the circumferential direction, a coupler connected to a shaft, and a rotor frame including a coupler base connected to the coupler, an extension base extending from the coupler base in the radial direction, and a rotary base extending from the extension base in the axial direction of the shaft for supporting the rotor cores and the magnets while surrounding the rotor cores and the magnets, wherein the coupler base, the extension base, and the rotary base are integrally formed by injection molding, and the rotor frame is coupled to the coupler, the rotor cores, and the magnets, and wherein the extension base is provided with crossing ribs that cross in the radial direction.

Rotor and motor including the same

Provided is a network system. The network system includes: at least one unit selected from an energy receiving unit receiving energy and an energy management unit managing the energy receiving unit. An energy usage amount or energy usage rate of the energy receiving unit is adjusted; an energy usage amount or usage rate when the unit is controlled based on information relating to at least an energy rate is less than that when the unit is controlled without the base of information relating to at least an energy rate; the energy receiving unit comprises a plurality of components; and an operation of one component among the plurality of components is controlled based on the energy rate related information.

Network system

Provided is a component for a network system. The component for a network system which is communicable with the other component includes a communication unit for communicating with the other component, an input part for inputting a command related to an operation of the component, and a control part for controlling the operation of the component. The component includes a power saving function in which the component is operable on the basis of energy information.

Component for a network system including a power saving function

A network system is provided. The network system includes: at least one component selected from an energy receiving unit receiving energy and an energy management unit managing the energy receiving unit. The energy receiving unit or the energy management unit receives energy rate related information; an energy usage amount or a usage rate of when the component is controlled on the basis of at least the energy rate related information is less than that of when the component is controlled without the basis of at least energy rate related information; if the energy rate related information is high cost information, a function of one component constituting the energy receiving unit is limited; and an operating time or an output of the energy receiving unit is adjusted in correspondence to the limited function of one component.

Consumption unit for effectively managing energy sources

A component for a network system is provided. The component includes an information notification part capable of notifying of one or more pieces of certain information among energy information, additional information except the energy information, and new information based on one or more the energy information and the additional information and a control unit controlling the information notification part. The information notification part notifies of the certain information when satisfying conditions for notifying of the certain information.

Component for network system

Provided is a network system for a component capable of effectively managing an energy source.

Network system for a component

Growing community of inventors

Seoul, South Korea

Junho Ahn