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:
Jan. 24, 1984
Filed:
Nov. 23, 1981
Applicant:
Inventors:
Carl Flick, Pittsburgh, PA (US);
Richard D Nathenson, Pittsburgh, PA (US);
Assignee:
Electric Power Research Institute, Inc., Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 52 ; 310 54 ; 310 64 ;
Abstract
A pancake armature winding in which the turns of each phase coil are insulated to withstand turn-to-turn voltage potential has phase-to-phase insulation provided by inner and outer insulative skins which act cooperatively with insulative filler pieces which also provide mechanical support for the phase coil. The reduced amount of insulation on each turn of the phase coil permits the overall size of the pancake coil to be reduced. The armature winding is supported mechanically by inner and outer insulative cylinders.