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:
Jun. 16, 1981
Filed:
Mar. 08, 1979
Applicant:
Inventors:
Hiroyuki Kamiya, Hitachi, JP;
Seiji Watanabe, Hitachi, JP;
Masatosi Taniguchi, Hitachi, JP;
Tomokichi Okawara, Hitachi, JP;
Fumitake Aki, Hitachi, JP;
Yasuyuki Wachi, Takahagi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 54 ; 310260 ;
Abstract
A liquid cooled stator winding of a rotary electric machine comprising a stator bar which is composed of a plurality of hollow conductive elements and disposed within a slot of a stator core, and a liquid coolant header fixedly mounted on one end of the stator bar by heat welding. The stator bar is bent adjacent its end in a direction generally normal with respect to its longitudinal direction so as to serve trouble-free over long years of machine operation.