Metal working – Method of mechanical manufacture – Electrical device making
Patent
1985-03-13
1987-03-17
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
336182, 336219, 336223, 336229, 336233, H01F 706
Patent
active
046496394
ABSTRACT:
An electromagnetic apparatus is provided with a magnetic core and a segmented electrical winding. The core has an enclosed trunk defining a central opening. At least three coil sections of the electrical winding encircle the trunk and are circumferentially spaced about the periphery of the core.
REFERENCES:
patent: 1548388 (1925-08-01), Shackelton
patent: 2907968 (1959-10-01), Thurk
patent: 2947960 (1960-08-01), Frederickson
patent: 3032729 (1962-05-01), Fluegel
Allied Corporation
Buff Ernest D.
Fuchs Gerhard H,.
Hall Carl E.
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