H - Electricity – 02 – K
Patent
H - Electricity
02
K
310/96
H02K 3/18 (2006.01) H02K 3/28 (2006.01) H02K 3/32 (2006.01) H02K 3/51 (2006.01) H02K 13/04 (2006.01) H02K 15/09 (2006.01) H02K 23/26 (2006.01)
Patent
CA 2040609
A method of winding a motor armature (162) includes providing a sub-assembly comprising a shaft (170) having an armature core (164) and a commutator (168) mounted thereon, the commutator having commutator bars (172) spaced apart about the shaft (170) with each bar having leading and trailing wire connection devices (178) angularly spaced apart with respect to said shaft (170). A first wire (80) is connected to a leading wire connec- tion device (91) and a second wire (82) is connected to a leading connection device (95) on the other side of the commutator. Successive coils (60, 62; 64, 66) are separately wound on the armature core from the first and second wires (80, 82) with connection of each wire to a different leading connection device between successive coils. Thereafter further successive coils (74, 76; 70, 72) are separately wound on the core from the wires (80, 82) but now with connection of the wires between successive coils to trailing connection devices until the commutator bars (B1, B2, B3, B4) have pairs of electrically parallel coils (60, 70; 62, 72; 64, 74; and 66, 76) connected thereto. Armatures can be produced having parallel coils of 17 gauge copper wire by con- tinuous winding with end termination only occurring after completion of winding.
Dyke Colin
Gifford Carl
Black & Decker Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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