H - Electricity – 02 – K
Patent
H - Electricity
02
K
26/66
H02K 15/00 (2006.01) H02K 15/095 (2006.01)
Patent
CA 1235286
ABSTRACT OF THE DISCLOSURE A method and apparatus for winding field coils on internal poles of stator bodies, particularly for electric motors, have a magnet wire feeding needle or needles displaced eccentrically from the central armature axis of the stator body. The or each such feeding needle is disposed to reciprocate and partially rotate on an eccentric axis located between the central armature axis and the internal pole being wound. Due to this eccentricity, during the partial rotation of the feeding needle, the end turns of the coil are lifted above the end of the pole and laid more precisely in place. This enables the conventional winding forms to be eliminated allowing a reduction in the length of the reciprocating stroke of the feeding needle and faster winding with reduction in "snap back" effect. A further cost saving occurs from a shorter length of the end turns resulting in less wire being used.
484001
Black & Decker Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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