公开(公告)号：US11569704B2

公开(公告)日：2023-01-31

申请号：US16881342

申请日：2020-05-22

Applicant: LG ELECTRONICS, INC.

Inventor： Jaekwang Nam ,  Hyoung Uk Nam ,  Jin Hong

IPC: H02K5/10 ,  B60B7/00 ,  B60B7/14 ,  B60B21/00 ,  B60B21/10 ,  B60K7/00 ,  H02K3/50 ,  H02K7/00 ,  H02K21/22

Abstract: The present invention relates to an in-wheel motor. The in-wheel motor according to an embodiment of the present invention includes: a circular rim to which a tire is coupled by being wrapped around an outer ring thereof and a shaft is connected by passing through a center thereof; a motor assembly which is disposed in an inner portion of the rim and includes a stator connected to the shaft and a rotor disposed to be wrapped around the stator and configured to rotate; a cover coupled to cover one open side surface of the rim and configured to seal the inner portion of the rim; and a lead-out wire entry/exit portion waterproof structure configured to seal an entry/exit portion for a lead-out wire connected to supply power from outside of the in-wheel motor to the inner portion of the rim via a hollow portion of the shaft, wherein the lead-out wire entry/exit portion waterproof structure includes an elastic stopper, to which the lead-out wire is connected to pass through a center thereof and which is configured to be elastically contracted after being inserted into the hollow portion of the shaft in an axial direction and seal between the hollow portion of the shaft and the lead-out wire, and a stopper fixing body fastened to the shaft and configured to press the elastic stopper in the axial direction so that the elastic stopper is inserted and fixed inside the hollow portion of the shaft.

公开(公告)号：US11855518B2

公开(公告)日：2023-12-26

申请号：US17390329

申请日：2021-07-30

Applicant: LG Electronics Inc.

Inventor： Joohang Kang ,  Junggu Lee ,  Yongdae Kim ,  Jin Hong

IPC: H02K5/24 ,  H02K7/08 ,  H02K9/06

CPC classification number: H02K5/24 ,  H02K7/083 ,  H02K9/06

Abstract: An electric motor assembly includes a housing, an impeller disposed inside the housing, a stator disposed at one side of the impeller in an axial direction of the impeller, the stator comprising a plurality of coil parts, a rotor that includes a rotation shaft connected to the impeller and that is configured to rotate relative to the stator, a bracket that is coupled to the housing and supports the rotation shaft, and a connection ring that electrically connects together end portions of the plurality of coil parts.

公开(公告)号：US20210028663A1

公开(公告)日：2021-01-28

申请号：US16815704

申请日：2020-03-11

Applicant: LG Electronics Inc.

Inventor： Jin Hong ,  Yongdae Kim ,  Kwangyong Jang

IPC: H02K3/34 ,  H02K1/14 ,  H02K3/18 ,  H02K3/32

Abstract: Various embodiments relate to a stator having an improved structure of an insulator coupled to teeth and to a motor having the stator. The stator includes an insulator. The insulator includes: a coil-wound portion surrounding an outer circumferential face of a tooth; and both side walls respectively extending from both sides of the coil-wound portion, wherein the both side walls and the coil-wound portion defines a space receiving the coil, wherein one of the both side walls includes a coupling portion, wherein the insulator are divided into two parts and the two parts are coupled to each other via the coupling portion such that the tooth is inserted into and coupled to the insulator.