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:
Jul. 19, 1983
Filed:
Jul. 29, 1981
Applicant:
Inventor:
Yoshitsugu Gocho, Fujisawa, JP;
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 54 ; 310 61 ; 310 64 ; 277 59 ;
Abstract
In liquid cooled dynamoelectric machine having a hollow rotor shaft, and cooling water supplying and exhausting tube assembly of a concentric construction extended in the rotor shaft, there are provided a stationary frame provided around a portion of the tube assembly extending outwardly from one end of the rotor shaft, the stationary frame defining therein a liquid-tight chamber communicated with a cooling water exhaust portion of the tube assembly, pipes for supplying and exhausting cooling water provided through the stationary frame, and sealing means for sealing gaps between the stationary frame and the tube assembly.