Closed slot rotor construction

Details Closed slot rotor construction Closed slot rotor construction

1987-02-27

1988-11-01

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310261, H02K 100

Patent

active

047822600

ABSTRACT:
A rotor lamination for use in a dynamo-electric machine of the kind having a stacked laminated rotor, is formed of a flat circular plate of ferromagnetic material having a number of equally circumferentially spaced closed slots. Each of the slots is substantially V shaped at an upper slot region near the circumference of the plate, and is symmetrical about a radial center line. Each leg of the V forms an angle of about 30 degrees with respect to a line drawn perpendicular to the radial center line of the slot.

REFERENCES:
patent: 1695946 (1928-12-01), Bergman
patent: 1695947 (1928-12-01), Bergman
patent: 2794138 (1957-05-01), Dunn, Jr.
patent: 3401280 (1968-09-01), Lackey et al.
patent: 4301386 (1981-11-01), Schweder et al.
patent: 4499660 (1985-02-01), Lenz

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