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:
Oct. 14, 2003
Filed:
May. 31, 2002
Applicant:
Inventors:
John Erik Hershey, Ballston Lake, NY (US);
Brock Estel Osborn, Niskayuna, NY (US);
Deniz Senturk, Schenectady, NY (US);
Howard Daniel Koontz, Overland Park, KS (US);
Brian Joseph McManus, Helendale, CA (US);
Edward James Lewandowski, Chardon, OH (US);
Assignee:
General Electric Company, Niskayuna, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/300 ;
U.S. Cl.
CPC ...
H02K 1/300 ;
Abstract
An apparatus for estimating DC motor brush wear comprising: a wear element calculator adapted to calculate a plurality of wear elements from at least one environmental variable; a wear element multiplier adapted to multiply the wear elements by respective ones of a plurality of wear coefficients to yield a plurality of weighted wear elements; and a summer adapted to sum the weighted wear elements to yield a brush wear estimate.