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Patent Searching and Data


Title:
DISTRIBUTED WINDING ARRANGEMENT FOR AN ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2014/028716
Kind Code:
A3
Abstract:
A distributed winding arrangement for an electric motor is provided that reduces brush arcing while reducing the size of the commutator. The electric motor is comprised generally of an armature having a plurality of spaced apart posts defining a plurality of spaced apart winding slots; a stator disposed coaxially with the armature; and a commutator having a plurality of commutator bars, where the number of commutator bars is an integer greater than the number of winding slots but less than twice the number of winding slots provided by the armature.

Inventors:
CHEN, Wei (Black & Decker Inc, 1207 Drummond PlazaNewark, Delaware, 19711, US)
FUJUN, Jin (Black & Decker Inc, 1207 Drummond PlazaNewark, Delaware, 19711, US)
SWADDLE, Steven (Black & Decker Inc, 1207 Drummond PlazaNewark, Delaware, 19711, US)
FRENCH, Timothy W. (Black & Decker Inc, 1207 Drummond PlazaNewark, Delaware, 19711, US)
Application Number:
US2013/055105
Publication Date:
December 04, 2014
Filing Date:
August 15, 2013
Export Citation:
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Assignee:
BLACK & DECKER INC. (1207 Drummond Plaza, Newark, Delaware, 19711, US)
International Classes:
H02K23/30; H02K23/38
Foreign References:
US20080016673A12008-01-24
US4857790A1989-08-15
US20110260573A12011-10-27
US20060244334A12006-11-02
Attorney, Agent or Firm:
BROCK, Christopher M. et al. (Harness, Dickey & Pierce P.L.C.,P.O. Box 82, Bloomfield Hills Michigan, 48303, US)
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