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.:
Date of Patent:
May. 23, 2017
Filed:
Oct. 19, 2012
Applicant:
Komatsu Ltd., Tokyo, JP;
Inventors:
Yasuhiko Matsuki, Fujisawa, JP;
Akira Minamiura, Hiratsuka, JP;
Assignee:
Komatsu Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
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.