Liquid metal current collector with compliant brush having flood

Details Liquid metal current collector with compliant brush having flood Liquid metal current collector with compliant brush having flood

1978-02-10

1979-09-18

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310178, H02K 1300

Patent

active

041684460

ABSTRACT:
An electrical current collector for an acyclic machine employs a rotor collector ring encircled by a stator collector ring to which a compliant brush of electrically conductive filaments is attached. The gap between rotor collector ring and stator collector ring, including brush interstices, is flooded with liquid metal which is drawn around the rotor collector ring periphery when rotation begins. A thin film of liquid metal on the brush makes sliding contact with the rotor collector ring, enhancing conductivity between the rotor and stator collector rings through the brush filaments.

REFERENCES:
patent: 3989968 (1976-11-01), Hatch
patent: 4024422 (1977-05-01), Gill
patent: 4027183 (1977-05-01), Hatch
patent: 4027184 (1977-05-01), Hurley

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