Permeable mesh current collector for DC machines

Details Permeable mesh current collector for DC machines Permeable mesh current collector for DC machines

1979-04-19

1981-05-05

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310178, H02K 1300

Patent

active

042661544

ABSTRACT:
A current collector for an electrical machine employs a rotor collector ring encircled by a stator collector ring to which a compliant brush fabricated of an electrically-conductive, liquid metal-permeable material is attached. Liquid metal saturates said liquid metal-permeable material and forms a thin liquid metal film which makes sliding contact with the rotor collector ring, completing contact between the rotor and stator collector rings through the compliant brush. Adequate liquid metal is maintained in the collector by pumping means supplying liquid metal through the stator collector ring.

REFERENCES:
patent: 3211936 (1965-10-01), Harvey
patent: 3646394 (1972-02-01), Swartz
patent: 3944865 (1976-03-01), Jewitt
patent: 4024422 (1977-05-01), Gill
patent: 4027184 (1977-05-01), Hurley
patent: 4146807 (1979-03-01), Hatch
patent: 4168446 (1979-09-01), Hatch
patent: 4186321 (1980-01-01), Marshall

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