Winding patterns for armatures

Details Winding patterns for armatures Winding patterns for armatures

H - Electricity

02

K

310/96

H02K 3/28 (2006.01) H02K 13/00 (2006.01) H02K 23/26 (2006.01)

Patent

CA 1308771

ABSTRACT OF THE DISCLOSURE A winding pattern for a motor rotor comprising an armature mounted on a rotary shaft and provided with a plurality of longitudinal slots defined a plurality of core teeth; a commutator mounted on the rotary shaft at a longitudinally spaced relationship to the armature and provided with circumferentially divided segments; and one or more sets of coils wound around the core teeth through the core slots. the very first starting lead wire of the set of coils comprises a first span which extends from a first commutator segment into a first core slot, a second span which extends out of the first core slot and is wrapped around the rotary shaft at a part opposite to the commutator with respect to the armature, a third span which is passed through a second core slot from the second span towards the commutator, a fourth span which extends out of the second core slot and is wrapped around a part of the rotary shaft intermediate between the armature and the commutator over a certain angle. The first span of the first starting lead extends obliquely between the commutator and the armature while other starting leads and ending leads of the coil extend obliquely however in opposite sense. Thus, the leads are not subjected to undue pressure from subsequently wound coils and the starting lead is properly anchored for winding the first coil at the same time.

560660

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