Electromagnetic coupling and cooling system therefor

Details Electromagnetic coupling and cooling system therefor Electromagnetic coupling and cooling system therefor

1975-04-28

1976-12-07

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 63, 310105, H02K 4904

Patent

active

039964850

ABSTRACT:
An electromagnetic coupling is provided of the type including a housing, a rotor member disposed in the housing, and an inductor drum means disposed in the housing and rotatable relative to the rotor member. A coil means electromagnetically couples the rotor member and the inductor drum means. The inductor drum means includes a generally cylindrical drum portion having a substantially uniform magnetic reluctance. The drum portion defines an outer, heat-dissipating surface which includes a plurality of circumferentially extending, heat-dissipating grooves spaced apart along the longitudinal axis of the drum portion. A means is included for directing cooling fluid into the housing to dissipate the heat generated in the inductor drum means, and a plurality of fluid-directing members are disposed on the cylindrical drum portion adjacent the heat-dissipating surface.

REFERENCES:
patent: 2345850 (1944-04-01), Winther
patent: 2745974 (1956-05-01), Oetzel
patent: 3641375 (1972-02-01), Moyer
patent: 3742270 (1973-06-01), Jaeschke

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