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.

Date of Patent:
Jul. 13, 2021

Filed:

Mar. 12, 2019
Applicant:

Nidec Corporation, Kyoto, JP;

Inventors:

Shinji Takemoto, Kyoto, JP;

Tomoya Ueda, Kyoto, JP;

Kosuke Mizuike, Kyoto, JP;

Assignee:

NIDEC CORPORATION, Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 1/18 (2006.01); H02K 7/16 (2006.01); H02K 9/19 (2006.01); H02K 11/33 (2016.01); H02K 7/116 (2006.01); H02K 7/18 (2006.01); B62M 6/65 (2010.01);
U.S. Cl.
CPC ...
H02K 11/33 (2016.01); H02K 1/185 (2013.01); H02K 7/116 (2013.01); H02K 7/1846 (2013.01); H02K 9/19 (2013.01); B62M 6/65 (2013.01);
Abstract

A drive device includes a hollow hub rotatable about hub shafts extending parallel to a center axis, a motor housed in the hub and fixed to the hub shafts, and a speed reducer connected to the motor and the hub. The motor includes a rotor including a motor shaft extending parallel to the hub shafts, a stator disposed outside the rotor in a radial direction, and a motor housing holding the stator therein. The drive device includes thermal grease thermally connecting the hub and the motor housing to each other.


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