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:
Sep. 20, 2005
Filed:
Jul. 10, 2003
Hung T. Du, Reisterstown, MD (US);
Brandon L. Verbrugge, Towson, MD (US);
Joshua F. West, Towson, MD (US);
Michael R. Sell, Bel Air, MD (US);
Richard T. Walter, Baldwin, MD (US);
Earl M. Ortt, Bel Air, MD (US);
John C. Stone, Dallastown, PA (US);
Hung T. Du, Reisterstown, MD (US);
Brandon L. Verbrugge, Towson, MD (US);
Joshua F. West, Towson, MD (US);
Michael R. Sell, Bel Air, MD (US);
Richard T. Walter, Baldwin, MD (US);
Earl M. Ortt, Bel Air, MD (US);
John C. Stone, Dallastown, PA (US);
Black & Decker Inc., Newark, DE (US);
Abstract
Magnet wires wound in slots in a lamination stack of a dynamoelectric machine are encapsulated, in whole or in part, with thermally conductive plastic. Pre-formed features having a thermal conductivity higher than the thermally conductive plastic are insert molded when the plastic is molded. The pre-formed features may include a finned end cap and a fan. Alternatively, end domes of the plastic over end coils of the wound magnet wires have a metallic layer on them, such as by being metallized. The end domes can be formed with features which are also metallized. The thermally conductive plastic can have a phase change additive in it. The magnet wires can have a layer of heat activated adhesive that is activated when the plastic is molded. Slots in the lamination stack can include slot liners formed of thermally conductive plastic. A fan can be formed when the thermally conductive plastic is molded to encapsulate the magnet wires.