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:
Mar. 30, 1976
Filed:
Aug. 12, 1974
Applicant:
Inventors:
Donald E Donnelly, Edwardsville, IL (US);
Jerry W McElroy, St. Louis, MO (US);
Arlie H Ehlmann, Barnhart, MO (US);
Assignee:
Emerson Electric Co., St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
336184 ; 336 84 ; 336 96 ; 336192 ; 336198 ;
Abstract
A transformer winding having a very large number of turns of wire is divided into a plurality of connected portions each wound on a separate flanged bobbin with the start end and the finish end of each winding portion secured to radial tabs on the bobbin flanges. The wound bobbins are mounted end to end on an iron core and the winding portions thereon are connected in series. Alternate methods of connecting the winding portions in series are also disclosed.