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:
Jul. 27, 2010
Filed:
Jun. 25, 2007
Applicants:
Koji Obata, Hitachi, JP;
Yutaka Matsunobu, Mito, JP;
Takashi Yasuhara, Yotsukaido, JP;
Takayuki Koizumi, Hitachinaka, JP;
Inventors:
Koji Obata, Hitachi, JP;
Yutaka Matsunobu, Mito, JP;
Takashi Yasuhara, Yotsukaido, JP;
Takayuki Koizumi, Hitachinaka, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 27/04 (2006.01); H02P 27/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
An inverter-driven rotating machine system is provided in which three-phase AC electric power of the inverter is supplied to a rear motor generator by using a cable. One end of an additional cable is connected to rotating machine terminals, namely motor input terminals of a motor case. The other end is connected to fixed voltage terminals, namely inverter additional terminals on an outer case of the inverter via resistors.