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:
Dec. 09, 2014
Filed:
Mar. 26, 2012
Applicants:
Norihiko Satou, Hiratsuka, JP;
Yukihiko Sugimoto, Kamakura, JP;
Inventors:
Norihiko Satou, Hiratsuka, JP;
Yukihiko Sugimoto, Kamakura, JP;
Assignee:
Komatsu Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A generator motor cooling structure for cooling a generator motor, which includes a housing storing an input/output shaft to which a rotor is attached and a stator disposed at an outer periphery portion of the rotor, by a cooling medium, includes: a protrusion portion that protrudes toward a coil of the stator from an inner surface of the housing of one end side in a direction of a central rotation axis of the input/output shaft to form a passage of the cooling medium between the coil and the protrusion portion, and is disposed around the central rotation axis.