Method of making an electric motor

Details Method of making an electric motor Method of making an electric motor

1987-03-19

1989-09-26

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

2642722, 310 43, 310154, H02K 1506

Patent

active

048689700

ABSTRACT:
A method of making an electric motor with the stator winding inside a slotless cylindrical stator shell.

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Exhibit 1, May 8, 1984, Crumax Seminar, p. 3; Rare Earth Magnets(NdBFs), p. 44, Cross-Sect. View, "Surface Wound Type Motor".
Exhibit 4, "Slotless Construction for Small Synchronous Motors Using Samarium Cobalt Magnets" by Mesmondhalgh and Tipping, IEE Proc., Sep. 1982.
Exhibit 5, "Prospects for Slotless DC Motors in Railroad Propulsion" by Spooner, International Conference on Electrical Machines, Design Applications, Jul. 1982, Machines are in 1,000 horsepower range.
Exhibit 10, "Airgap Winding for Large Turbo Generators" by Davies IEE, 1984.
Exhibit 11, "Fully Slotless Turbo Generators" by Spooner, Proc. IEE, 1973.
Exhibit 12, "High-Speed Solid-Rotor Induction Motors" by Lakerveld, Phillips Technical Review, 1984.
Exhibit 13, Elcom 1984 Brochures, 3 bulletins by Pittman Corp., Jan. and May 1984, "A Novel Stator Winding Technique . . . ".
Exhibit 14, Technical Bulletin on Stycast 2762, Emerson & Cuming, 1981, describes Resin Material, pp. 10-11.

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