Metal working – Method of mechanical manufacture – Electrical device making
Patent
1977-05-11
1978-09-26
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
29625, 310DIG6, H02K 1506
Patent
active
041159152
ABSTRACT:
A method for fabricating an electric machine stator core and winding assembly characterized by insulated sectionalized coils suitable for automatic fabrication and assembly. Bundles of straight coil side wires are externally insulated and inserted longitudinally into the stator slots, and the coil end turns are manufactured separately as planar arrays of printed circuit conductors or discrete wires adhered to end cap insulating boards. Upon stacking the boards against each stator core end face, the aligned coil end turns and sides are selectively joined to form a continuous winding. The objective is lower cost wound stators for small and medium ac and dc motors.
REFERENCES:
patent: 3781980 (1974-01-01), Possis
Campbell Donald R.
Cohen Joseph T.
General Electric Company
Hall Carl E.
Snyder Marvin
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