Sodium turbine pump

Details Sodium turbine pump Sodium turbine pump

1977-03-16

1980-02-26

Husar, C.

Rotary kinetic fluid motors or pumps

With lubricating, sealing, packing or bearing means having...

417424, 415170R, F01D 1100

Patent

active

041903960

ABSTRACT:
An impeller secured to a shaft in a vertical type sodium turbine pump is interposed between a suction tube and an impeller casing. A mouth ring in an impeller is positioned in the close proximity of a lower ring secured to the suction tube, while an impeller ring protruding from a crown ring is positioned in the close proximity of an upper ring secured to an impeller casing, with a given clearance maintained therebetween.
Pockets are provided in the surface of the mouth ring positioned close to the lower ring as well as in the surface of the impeller ring positioned close to the upper ring, so that there may be produced a static bearing action by molten sodium between the mouth ring and the lower ring, as well as between the impeller ring and the upper ring.

REFERENCES:
patent: 1337659 (1920-04-01), Kerr
patent: 1374664 (1921-04-01), Kerr
patent: 2921533 (1960-01-01), Williams
patent: 3671137 (1972-06-01), Ball
patent: 3871789 (1975-03-01), Lameris
patent: 3910714 (1975-10-01), Allen et al.

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