Metal working – Method of mechanical manufacture – Electrical device making
Patent
1988-10-07
1990-03-27
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
2642722, 310 43, 310156, H07K 1502
Patent
active
049108611
ABSTRACT:
An improved shaft mounted rotor assembly for an electric motor and method of manufacturing the same wherein a plurality of arcuate permanent magnets are positioned in angularly related adjacent positions to surround the outer periphery of a shaft mountable rotor core and a plastic molded sleeve encapsulates the exposed outer peripheral surfaces of the magnets to secure them in fast position on the core.
REFERENCES:
patent: 2488729 (1949-11-01), Kooyman
patent: 2749456 (1956-06-01), Luenberger
patent: 4173822 (1979-11-01), Futterer et al.
patent: 4633113 (1986-12-01), Patel
patent: 4792712 (1988-12-01), Stokes
Emerson Electric Co.
Hall Carl E.
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