Solid rotor for asynchronous electrical machines

Details Solid rotor for asynchronous electrical machines Solid rotor for asynchronous electrical machines

1979-04-10

1981-08-04

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310261, 310 64, H02K 122

Patent

active

042824516

ABSTRACT:
A solid rotor made from steel for use in an asynchronous electrical machine wherein, for the purpose of increasing its otherwise poor electrical conductivity and thereby to reduce its electrical losses, the end faces of the rotor are provided with concentric annular rings separated by intervening grooves.

REFERENCES:
patent: 911081 (1909-02-01), Smoot et al.
patent: 920846 (1909-05-01), Erben
patent: 1136942 (1915-04-01), Cutten
patent: 3504153 (1970-03-01), Beyersdorf
patent: 3582696 (1971-06-01), Rosenberry, Jr.
IBM Technical Disclosure Bulletin, Grooved Rotor for Hysteresis Motor, by J. M. Ratajski, vol. 14, No. 11, Apr. 1972, p. 3288.

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