Metal working – Method of mechanical manufacture – Electrical device making
Patent
1990-05-24
1991-09-03
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
29598, 310234, H02K 1506, H01R 4304
Patent
active
050440659
ABSTRACT:
A method of winding a motor armature includes providing a sub-assembly comprising a shaft having an armature core and a commutator mounted thereon, the commutator having commutator bars spaced apart about the shaft with each bar having leading and trailing wire connection devices angularly spaced apart with respect to said shaft. A first wire is connected to a leading wire connection device and a second wire is connected to a leading connection device on the other side of the commutator. The successive coils are separately wound on the armature core from the first and second wires with connection of each wire to a different leading connection device between successive coils. Thereafter further successive coils are separately wound on the core from the wires but now with connection of the wires between successive coils to trailing connection devices until the commutator bars have pairs of electrically parallel coils connected thereto. Armatures can be produced having parallel coils of 17 gauge copper wire by continuous winding with end termination only occurring after completion of winding.
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Dyke Colin
Gifford Carl
Bartlett Edward D. C.
Black & Decker Inc.
Dearing Dennis A.
Hall Carl E.
Yocum Charles E.
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