Narrow gap collector with integral electromagnetic pump

Details Narrow gap collector with integral electromagnetic pump Narrow gap collector with integral electromagnetic pump

1980-02-29

1982-02-02

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310178, 310112, 310114, 310268, H02K 1300

Patent

active

043141714

ABSTRACT:
A constant supply of liquid metal for a current collector of an acyclic machine is provided by passing armature current radially through a quantity of liquid metal disposed in an annular pumping channel formed between a compliant braided metal filament brush and the stator ring collector surface. A flow restricting plug causes pressure to develop in the circumferentially flowing liquid metal to maintain a constant film of liquid metal in contact with the rotor collector ring and the brush to complete electrical connection therebetween.

REFERENCES:
patent: 3211936 (1965-10-01), Harvey
patent: 3546508 (1970-12-01), Harvey
patent: 3585398 (1971-06-01), Harvey
patent: 3989968 (1976-11-01), Hatch
patent: 4027183 (1977-05-01), Hatch
patent: 4027184 (1977-05-01), Hurley
patent: 4146807 (1979-03-01), Hatch
patent: 4168446 (1979-09-01), Hatch
patent: 4186321 (1979-02-01), Marshall
patent: 4207486 (1980-06-01), Hatch
patent: 4241272 (1980-12-01), Marshall
Stevens et al., "Superconducting Machinery for Naval Strip Propulsion," IEEE, vol. MAG-13, No. 1, Jan. 1977.

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