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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 10958130 B1

PDFFull Text
Date of Patent:
Mar. 23, 2021

Filed:

Mar. 30, 2017

Motor and electric power steering device

Applicant:

Nidec Corporation, Kyoto, JP;

Inventors:

Takahiro Kizu, Kyoto, JP;

Takashi Hattori, Kyoto, JP;

Toshiya Okamoto, Kyoto, JP;

Yuichi Nishikawa, Kyoto, JP;

Assignee:

NIDEC CORPORATION, Kyoto, JP;

Attorney:

Keating & Bennett

Primary Examiner:

Thomas Truong

Int. Cl.
CPC ...
H02K 5/04 (2006.01); H02K 5/26 (2006.01); B62D 5/04 (2006.01); H02K 3/50 (2006.01); H02K 5/16 (2006.01); H02K 5/22 (2006.01); H02K 7/08 (2006.01); H02K 9/22 (2006.01); H02K 11/33 (2016.01); H02K 3/12 (2006.01); H02K 15/14 (2006.01); H02K 3/38 (2006.01); H02K 11/30 (2016.01); H02K 3/04 (2006.01); H02K 15/085 (2006.01); H01R 13/52 (2006.01);
U.S. Cl.
CPC ...
H02K 5/26 (2013.01); B62D 5/04 (2013.01); B62D 5/0403 (2013.01); B62D 5/0409 (2013.01); H02K 3/04 (2013.01); H02K 3/12 (2013.01); H02K 3/38 (2013.01); H02K 3/50 (2013.01); H02K 5/04 (2013.01); H02K 5/161 (2013.01); H02K 5/22 (2013.01); H02K 5/225 (2013.01); H02K 7/08 (2013.01); H02K 7/083 (2013.01); H02K 9/22 (2013.01); H02K 11/30 (2016.01); H02K 11/33 (2016.01); H02K 15/085 (2013.01); H02K 15/14 (2013.01); H01R 13/52 (2013.01); H02K 2203/09 (2013.01); H02K 2211/03 (2013.01);
Abstract

A motor includes a rotor, a stator, a housing, and a flange. The housing includes a first cylindrical portion, a contact portion extending radially inward from an axial lower end of the first cylindrical portion, a second cylindrical portion that extends axially downward from a radial inner edge of the contact portion and has a smaller outer diameter than the first cylindrical portion, and a bottom portion extending radially inward from an axial lower end of the second cylindrical portion. The flange includes a flange cylindrical portion, and a flange flat portion extending radially outward from an axial lower end of the flange cylindrical portion. The flange cylindrical portion is fixed to an outer surface of the second cylindrical portion and an upper end of the flange cylindrical portion contacts with an outside lower surface of the contact portion.

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