Liquid metal circulation in an acyclic generator collector

Details Liquid metal circulation in an acyclic generator collector Liquid metal circulation in an acyclic generator collector

1986-12-08

1987-12-08

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310219, H02K 3100

Patent

active

047120320

ABSTRACT:
To minimize the effects of magnetohydrodynamic surge forces acting on the liquid metal in the collector gap of an acyclic generator, fluid flow impedance members in the form of annular, axially spaced compliant brushes are disposed in the outboard liquid metal containment gap defined between closely spaced, stator and rotor stepped surface formations. These brushes impede the communication to the liquid metal in this containment gap of pressure fluctuations generated in the liquid metal in the collector gap resulting from variations in the generator current transiting the collector gap. A hydrostatic pressure head may thus be maintained consistently at a location intermediate the collector and containment gaps for pumping the liquid metal in a recirculating path.

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