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:
Sep. 12, 2006
Filed:
Aug. 28, 2002
Taizo Miyazaki, Hitachi, JP;
Yasuo Morooka, Hitachi, JP;
Kiyoji Minegishi, Higashiura, JP;
Jun Tamenaga, Oobu, JP;
Taizo Miyazaki, Hitachi, JP;
Yasuo Morooka, Hitachi, JP;
Kiyoji Minegishi, Higashiura, JP;
Jun Tamenaga, Oobu, JP;
Hitachi, Ltd., Tokyo, JP;
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Abstract
An electric rotating machine has a rotor, a stator and a casing. A planetary roller mechanism constituted by a sun roller, a planet roller, a ring roller and a carrier is provided within the rotor so as to transmit the driving force of the rotor to the outside from a power shaft. Oil is sealed within the rotor or the casing. The planetary roller mechanism may be provided within the casing or at the outside of the rotor and, in this case, oil is sealed within the casing.