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:
Dec. 16, 1997
Filed:
Jun. 13, 1996
Applicant:
Inventors:
Assignees:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Railway Technical Research Institute, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; H02K / ;
U.S. Cl.
CPC ...
310 58 ; 310 59 ; 310 / ; 310 61 ; 310 64 ; 310 52 ; 105 53 ; 105 59 ;
Abstract
An outer-rotor type electric rotary machine comprises a shaft fixed to a stationary unit, a motor stator, a motor rotor, a cylindrical rotor frame, and first and second brackets attached to rotary members, respectively. At least one of the first and second brackets includes a plurality of heat-radiating fins mounted on its outer peripheral surface, and a plurality of heat-absorbing fins mounted on its inner peripheral surface.