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:
Dec. 14, 1999
Filed:
Dec. 19, 1997
Applicant:
Inventor:
Roy A McCann, Kettering, OH (US);
Assignee:
ITT Manufacturing Enterprises, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P / ; H02K / ; H02K / ;
U.S. Cl.
CPC ...
318701 ; 318138 ; 318700 ; 310156 ;
Abstract
An system for minimizing the output torque ripple effect in a switched reluctance electric motor operating in phase overlap mode positions at least one compensating coil such that, when energized, the magnetic flux of the field created by current flowing through the compensation coil couples and opposes the magnetic flux created in the main winding of compensation coil.