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. 19, 2009
Filed:
Feb. 17, 2006
Akihito Nakahara, Hitachi, JP;
Kazumasa Ide, Hitachiota, JP;
Mamoru Kimura, Hitachi, JP;
Kazuhiko Takahashi, Hitachi, JP;
Akihito Nakahara, Hitachi, JP;
Kazumasa Ide, Hitachiota, JP;
Mamoru Kimura, Hitachi, JP;
Kazuhiko Takahashi, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The object of the invention is to provide a generator easy to assemble even if there is an obstacle such as a turbine in the axial direction of the rotor of the generator. A generator comprising: a rotor having a permanent magnet placed therein and supported to be rotatable, and a stator having a field coil wound thereon, characterized in that, the rotor is provided with a seating made of a magnetic material for supporting the permanent magnet and a pole shoe made of a magnetic material placed in the outward radial direction of the permanent magnet.