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:
Apr. 04, 1989
Filed:
Dec. 13, 1985
Applicant:
Inventor:
Robert J Lender, Weston, CT (US);
Assignee:
EDO Corporation, College Point, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; H02K / ;
U.S. Cl.
CPC ...
310 42 ; 29736 ; 310208 ; 310254 ;
Abstract
Slotless and toothless wound stators for electrical machines, in particular brushless DC motors, include removable temporary teeth at opposite ends of an iron cylinder with smooth inner wall end-to-end, an electrical winding without sypporting form against the inner wall and between and around the teeth, an expandable cylinder for retaining the winding against the smooth inner wall. The completed stators lack teeth and slots from end-to-end of the iron cylinder, have the winding placed against the smooth inner wall of the iron cylinder, and have the reformed plastic cylinder pressing and retaining the winding against the smooth inner wall.