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. 27, 1983
Filed:
May. 07, 1981
Applicant:
Inventors:
Assignee:
Fujitsu Fanuc Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 58 ; 310 61 ; 310 62 ; 310 89 ; 16510425 ; 16510433 ;
Abstract
A rotary electric motor of a sealed type comprising a heat pipe in a rotor shaft and a plurality of air vents in a stator. In the operation of this motor, a rotor mounted on the rotor shaft is cooled by the heat pipe and simultaneously, the stator is cooled directly by the air flowing therethrough.