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:
Feb. 18, 2014
Filed:
Feb. 17, 2011
Daisuke Kori, Hitachinaka, JP;
Shogo Serita, Hitachi, JP;
Tetsuo Fujigaki, Hitachi, JP;
Masaaki Endo, Hitachi, JP;
Yoshihiro Yasui, Hitachi, JP;
Ai Nagano, Hitachi, JP;
Mamoru Kimura, Hitachi, JP;
Motonobu Iizuka, Hitachi, JP;
Akiyoshi Komura, Hitachi, JP;
Daisuke Kori, Hitachinaka, JP;
Shogo Serita, Hitachi, JP;
Tetsuo Fujigaki, Hitachi, JP;
Masaaki Endo, Hitachi, JP;
Yoshihiro Yasui, Hitachi, JP;
Ai Nagano, Hitachi, JP;
Mamoru Kimura, Hitachi, JP;
Motonobu Iizuka, Hitachi, JP;
Akiyoshi Komura, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The permanent magnet rotating electric machine comprising a stator with a stator coil wound on a stator iron core, a rotor with a plurality of permanent magnets disposed in the circumferential direction in a rotor iron core, which is disposed opposite to the stator iron core of the stator with a predetermined spacing therebetween and is fixed to a shaft, a water-cooling unit disposed around the outer circumference of the stator iron core, and a fan fixed to the shaft on the same side as at least one axial end of the rotor iron core to circulate cooling air in the permanent magnet rotating electric machine;