Axial gap electric motors

Details Axial gap electric motors Axial gap electric motors

1977-11-25

1982-01-19

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 62, 310 90, 417420, H02K 122

Patent

active

043119379

ABSTRACT:
An axial gap induction motor has a rotor with conductive and ferromagnetic components. The conductive component comprises a thin interstator web and axially thickened hub and rim portions, the ferromagnetic component being located in the annular channel formed thereby. A ceramic bearing pack for the rotor shaft has two parts, one rotating with the shaft and the other mounted to a fixed support. The two bearing parts provide cylindrical bearing surfaces and opposite end thrust bearing surfaces.
A preferred application of the motor is in a liquid pump where the rotor rotates in the liquid and is carried at one end of the shaft, a centrifugal impeller, having a closed face and a sleeved eye, being carried at the other end of the shaft.

REFERENCES:
patent: 3476054 (1969-11-01), Gangloff
patent: 3767330 (1973-10-01), Signorile
patent: 3870907 (1973-10-01), Hoffman

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