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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11569704 B1

PDFFull Text
Date of Patent:
Jan. 31, 2023

Filed:

May. 22, 2020

In-wheel motor

Applicant:

Lg Electronics, Inc., Seoul, KR;

Inventors:

Jaekwang Nam, Seoul, KR;

Hyoung Uk Nam, Seoul, KR;

Jin Hong, Seong, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:

Dentons US LLP

Primary Examiner:

Naishadh N Desai

Int. Cl.
CPC ...
H02K 5/10 (2006.01); B60B 7/00 (2006.01); B60B 7/14 (2006.01); B60B 21/00 (2006.01); B60B 21/10 (2006.01); B60K 7/00 (2006.01); H02K 3/50 (2006.01); H02K 7/00 (2006.01); H02K 21/22 (2006.01);
U.S. Cl.
CPC ...
H02K 5/10 (2013.01); B60B 7/00 (2013.01); B60B 7/14 (2013.01); B60B 21/00 (2013.01); B60B 21/10 (2013.01); B60K 7/0007 (2013.01); H02K 3/50 (2013.01); H02K 7/003 (2013.01); H02K 7/006 (2013.01); H02K 21/22 (2013.01); B60B 2900/112 (2013.01); B60B 2900/212 (2013.01); B60B 2900/325 (2013.01); B60B 2900/511 (2013.01); B60K 2007/0092 (2013.01); H02K 2203/06 (2013.01);
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.

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