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. 20, 2015
Filed:
Nov. 01, 2012
Black & Decker Inc., Newark, DE (US);
Hung T. Du, Reisterstown, MD (US);
Brandon L. Verbrugge, Brookfield, WI (US);
Joshua F. West, Towson, MD (US);
Michael R. Sell, Bel Air, MD (US);
Richard T. Walter, Baldwin, MD (US);
David J. Smith, Columbia, MD (US);
Earl M. Ortt, Towson, MD (US);
John C. Stone, Cordova, MD (US);
Howard T. White, Cedar Grove, TN (US);
Black & Decker Inc., Newark, DE (US);
Abstract
An electric motor for a power tool includes a stator and an armature disposed in the stator. The armature includes a lamination stack having slots therein; an armature shaft extending coaxially through the lamination stack; a plurality of magnet wires wound in the slots of the lamination stack; a commutator disposed on the armature shaft to which ends of the magnet wires are electrically coupled; and thermally conductive plastic at least partially encasing the magnet wires, the thermally conductive plastic having a base polymer that is a blend of at least two polymers.