Rotator element for electric motor

Details Rotator element for electric motor Rotator element for electric motor

1992-07-02

1993-11-02

Voeltz, Emanuel T.

Electrical generator or motor structure

Dynamoelectric

Rotary

29598, H02K 2112

Patent

active

052586782

ABSTRACT:
A rotator element for an electric motor is formed with a cylindrical core body which is to be rotated by a rotary field produced by a winding of the electric motor and plurality of magnets. The core body is made of stacked disc-shaped plates, each of which has a cutout portion arranged on its circumference areas so as to form a hole through said core body when the plates are stacked. The core body has a thin wall portion provided on its circumferential surface facing said winding, wherein a part of the wall portion is projected to said hole. The permanent magnets inserted in the holes are firmly fixed by the projected portion.

REFERENCES:
patent: 4137884 (1979-02-01), Odazima et al.
patent: 4855630 (1989-08-01), Cole
patent: 4973872 (1990-11-01), Dohogne

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