Homopolar motor with pressurized liquid metal contact

Details Homopolar motor with pressurized liquid metal contact Homopolar motor with pressurized liquid metal contact

1985-10-15

1986-12-09

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 90, H02K 3104

Patent

active

046282211

ABSTRACT:
A homopolar machine having a hollow cylindrical conductor integral with an iron magnetic coupler forms a rotor ring which encircles one end of a rotor. The rotor ring spins within a hermetically sealed volume formed by two current collector rings. The volume is filled with a liquid metal under pressure and void free. The liquid metal provides electrical contact between the cylindrical conductor and the current collector rings and also acts as a lubricant for cylindrical journal bearings at each end of the rotor ring. The rotor is fixedly mounted on a shaft and spins on conventional bearings receiving torque and thrust loads from the rotor ring by magnetic coupling.

REFERENCES:
patent: 3084269 (1963-04-01), Sayers
patent: 3846653 (1974-11-01), Korotenko et al.
patent: 4168446 (1979-09-01), Hatch
patent: 4207486 (1980-06-01), Hatch
patent: 4241272 (1980-12-01), Marshall
patent: 4241273 (1980-12-01), Hatch
patent: 4382199 (1983-05-01), Isaacson

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