Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1975-11-10
1976-07-13
Duggan, Donovan E.
Electrical generator or motor structure
Dynamoelectric
Rotary
H02K 1710
Patent
active
039696456
ABSTRACT:
A shaded pole motor having a shading loop or band that fits with an interference fit adjacent the field plate stack of laminations at the location thereon adjacent the field winding, but having ample clearance space from the stack adjacent the ends of the stack; whereby an epoxy coating can be used to insulate the stack and shading loop from the windings. The shading loop adjacent the ends of the stack further projects well beyond the ends of the stack distances comparable to the breadth of the winding, whereby the winding is mechanically constrained on the stack in part by the shading loop.
REFERENCES:
patent: 1823979 (1931-09-01), Jordan
patent: 1838122 (1931-12-01), Walter
patent: 2886722 (1959-05-01), Moelenpah
patent: 3158769 (1964-11-01), Morrill
patent: 3780323 (1973-12-01), Swain
Brown Clifford
Spotts Willard
Duggan Donovan E.
Lind Charles F.
McGraw-Edison Company
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