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. 22, 1976
Filed:
May. 23, 1974
Applicant:
Inventors:
Wolfgang Liebe, Berlin, DT;
Werner Leistner, Berlin, DT;
Assignee:
Siemens Aktiengesellschaft, Munich, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 65 ; 165185 ; 336 61 ;
Abstract
A pole coil wherein improved heat transfer at cooling fins thereof is achieved and includes cooling fins which are subdivided in the longitudinal direction into short portions which are bent out so that they are disaligned with each other. The pole coil is suitable for electrical machines and apparatus and especially for the revolving excitation windings of synchronous electric machines.