Metal working – Method of mechanical manufacture – Electrical device making
Patent
1992-08-25
1993-11-30
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
29598, 310 42, 310174, H02K 1506
Patent
active
052653234
ABSTRACT:
A stator assembly for a non-static cogging brushless DC motor includes a hollow coil forming member fabricated on 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
Hall Carl E.
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