Rotator element for electric motor

Details Rotator element for electric motor Rotator element for electric motor

1993-02-04

1994-11-08

Skudy, Robert

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 89, 310216, 310261, H02K 2112

Patent

active

053630041

ABSTRACT:
A rotator element for an electric motor is formed with a cylindrical core body which is to be rotated by a rotary filed produced by a winding of the electric mortor and a plurality of magnets. The core body is substantially made of stacked disc-shaped plates, each of which has cutout portions arranged on the circumference areas so that the cylindrical core body is provided with holes when the disc-shaped plates are stacked. The magnets are inserted in the holes. For smooth insertion in the hole, each of magnets has a cutaway portion. The cutaway portion is projected or extended from the hole. A ring body is placed on the outermost side of stacked disc plates so that the outer surface of said ring body is substantially conform to the surface of said core body and the inner surface of said ring body is opposed to said cutaway portions of the magnets.

REFERENCES:
patent: 4625392 (1986-12-01), Stokes
patent: 4683393 (1987-07-01), Stokes
patent: 4746827 (1988-05-01), Ochai
patent: 5040286 (1991-08-01), Stark
patent: 5140210 (1992-08-01), Shirakawa
patent: 5175461 (1992-12-01), Zigler
patent: 5258678 (1993-11-01), Futami

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