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:
Mar. 17, 2015
Filed:
Aug. 23, 2010
Rotating electric machine for electric vehicle, drive control device and insulation diagnosis method
Applicants:
Koji Obata, Hitachi, JP;
Yutaka Matsunobu, Mito, JP;
Inventors:
Koji Obata, Hitachi, JP;
Yutaka Matsunobu, Mito, JP;
Assignee:
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/02 (2006.01); G01R 31/12 (2006.01); H02K 11/00 (2006.01); B60L 3/00 (2006.01); G01R 31/34 (2006.01);
U.S. Cl.
CPC ...
G01R 31/1227 (2013.01); H02K 11/001 (2013.01); B60L 3/0069 (2013.01); G01R 31/343 (2013.01); G01R 31/346 (2013.01); Y02T 10/641 (2013.01); B60L 2200/26 (2013.01);
Abstract
A rotating electric machine for an electric vehicle, installed in a vehicle and driven by an inverter power source, includes: a partial discharge measuring device that measures partial discharges occurring in insulated areas between windings, between phases and between the rotating electric machine and a ground.