Long term vent structure

Details Long term vent structure Long term vent structure

1974-01-28

1976-01-13

Mautz, George F.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

138109, F15D 102

Patent

active

039318354

ABSTRACT:
A vent structure for reliable long term operation at high temperatures is fabricated by annealing a tubing of predetermined length and size, filling the tubing with fine alumina particles, flattening and coiling and pressing an upper portion of the tubing at predetermined pressures, annealing the formed tubing, and installing a particulate filter in the undeformed lower portion of the tubing. For use in venting helium generating reactor control pins located under hot molten sodium, a vent assembly including the vent structure and providing an air lock between the outer molten sodium and the vent is affixed to the upper end of each control pin.

REFERENCES:
patent: 2150439 (1939-03-01), Hamilton
patent: 2170612 (1939-08-01), Sullivan
patent: 3677300 (1972-07-01), King

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