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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 11286956 B1

PDFFull Text
Date of Patent:
Mar. 29, 2022

Filed:

Aug. 04, 2017

Motor with rotor including angled cooling outlet and a bracket including cooling inlet

Applicant:

Nidec Corporation, Kyoto, JP;

Inventors:

Satoshi Kajikawa, Kyoto, JP;

Tomoya Ueda, Kyoto, JP;

Yusuke Makino, Kyoto, JP;

Assignee:

NIDEC CORPORATION, Kyoto, JP;

Attorney:

Keating & Bennett, LLP

Primary Examiner:

Maged M Almawri

Int. Cl.
CPC ...
H02K 9/00 (2006.01); F04D 29/58 (2006.01); H02K 9/06 (2006.01); H02K 5/20 (2006.01); H02K 11/33 (2016.01); H02K 21/14 (2006.01); F04D 25/06 (2006.01); F04D 25/08 (2006.01); H02K 11/215 (2016.01); F04D 29/70 (2006.01); H02K 5/22 (2006.01); H02K 7/08 (2006.01); H02K 7/14 (2006.01); H02K 21/22 (2006.01);
U.S. Cl.
CPC ...
F04D 29/5806 (2013.01); F04D 25/0613 (2013.01); F04D 25/082 (2013.01); F04D 29/703 (2013.01); H02K 5/20 (2013.01); H02K 5/225 (2013.01); H02K 7/085 (2013.01); H02K 7/14 (2013.01); H02K 9/06 (2013.01); H02K 11/215 (2016.01); H02K 11/33 (2016.01); H02K 21/14 (2013.01); H02K 21/22 (2013.01); H02K 2211/03 (2013.01);
Abstract

A motor includes a shaft centered on a center axis oriented in a vertical direction, a bearing supporting the shaft, an armature disposed radially outward of the bearing, a bracket to which the bearing and the armature are fixed, and a covered cylindrical rotor connected to the shaft. The rotor includes a rotor lid portion connected to the shaft, a rotor side wall portion extending downward from an outer edge of the rotor lid portion, a blower plate portion connected to a lower surface of the rotor lid portion and extending radially outward from a center portion of the rotor lid portion, an inlet disposed radially outward of the cylindrical portion and penetrating the bracket, and an outlet disposed radially outward of the blower plate portion and radially penetrating the rotor.

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