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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 9660502 B1

PDFFull Text
Expired
Date of Patent:
May. 23, 2017

Filed:

Oct. 19, 2012

Cooling system for electric motor with internal shaft passage and cooling medium reservoir

Applicant:

Komatsu Ltd., Tokyo, JP;

Inventors:

Yasuhiko Matsuki, Fujisawa, JP;

Akira Minamiura, Hiratsuka, JP;

Assignee:

Komatsu Ltd., Tokyo, JP;

Attorney:

Locke Lord LLP

Primary Examiner:

Terrance Kenerly

Assistant Examiner:

Alexander Moraza

Int. Cl.
CPC ...
H02K 9/19 (2006.01); H02K 9/00 (2006.01); H02K 1/32 (2006.01); H02K 9/193 (2006.01); H02K 11/225 (2016.01); H02K 11/21 (2016.01);
U.S. Cl.
CPC ...
H02K 9/00 (2013.01); H02K 1/32 (2013.01); H02K 9/19 (2013.01); H02K 9/193 (2013.01); H02K 11/225 (2016.01); H02K 11/21 (2016.01);
Abstract

A motor includes: a shaft to which a rotor is attached and having an internal cooling medium passage in an inside of the shaft, a cooling medium passing through the internal cooling medium passage; a housing including the shaft disposed therein and configured to rotatably support the shaft; and a cooling medium reservoir provided in the housing and provided on an upstream side of an inlet of the internal cooling medium passage in a flowing direction of the cooling medium, the cooling medium reservoir being configured to store the cooling medium and then flow the cooling medium to the internal cooling medium passage.

Find Patent Forward Citations

Matsuki, Yasuhiko. (2017). Cooling system for electric motor with internal shaft passage and cooling medium reservoir (U.S. Patent No. 9660502). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9660502

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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