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.

Date of Patent:
Mar. 27, 2001

Filed:

Dec. 28, 1998
Applicant:
Inventors:

Roy David Schultz, Dearborn, MI (US);

Shawn Swales, Canton, MI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/928 ; H02K 3/16 ;
U.S. Cl.
CPC ...
H02K 1/928 ; H02K 3/16 ;
Abstract

An electrical machine includes one or more multiple-phase electrical power windings and an auxiliary winding. The auxiliary winding when closed generates electromagnetic fields which partially cancel fields generated during the operation of the electrical machine. The result is reduced audible noise from the electrical machine.


Find Patent Forward Citations

Loading…