Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1989-02-28
1991-05-07
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310216, 310179, 310194, H02K 112, H02K 346
Patent
active
050139533
ABSTRACT:
A stator assembly for a non-static cogging brushless DC motor includes a hollow coil forming member fabricated of a nonconductive and nonmagnetic material having an array of generally radially extending teeth. Each tooth has a pair of generally radially extending sidewalls that extend substantially the entire axial length of the coil forming member. A plurality of coils is wound on the teeth of the coil forming member so that the coils are disposed in surrounding relationship with respect to the radially extending sidewalls of the teeth. The teeth on the coil forming member may extend either radially inwardly or radially outwardly thereof.
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E. I. Du Pont de Nemours and Company
LaBalle C.
Stephan Steven L.
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