Metal working – Method of mechanical manufacture – Electrical device making
Patent
1984-10-18
1986-01-28
Rosenbaum, Mark
Metal working
Method of mechanical manufacture
Electrical device making
310184, 310188, 310198, 310216, H02K 1500
Patent
active
045661790
ABSTRACT:
An improved magnetic core element for use in an electrodynamic rotary machine, and the method of making such a core element are disclosed. The core element, either a stator or rotor depending upon the design of the machine, is provided with a slot distribution such that when the rotor rotates with respect to the stator and a balanced energy field is provided therebetween, at least the lowest generated harmonics, will be substantially zero.
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"Semiconductor A-C Current Motor Drives & Energy Conservation"; by D. J. Ben Danial et al.; Science vol. 206; Nov. 16, 1979; pp. 773-776.
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"Study of Variable Slot Pitch in Electric Machinery", A Report to Energy Research & Development Adm., by J. L. Kirtley, Jr., Jul. 7, 1977.
"Standard Handbook for Electrical Engineers", by D. G. Fink et al. 1969, 10th Edition, pp. 18-17.
Masterman Hugh C.
Sawyer Carleton E.
Display Components, Inc.
Rosenbaum Mark
Selman Leonard S.
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