Gas levitator having fixed levitation node for containerless pro

Details Gas levitator having fixed levitation node for containerless pro Gas levitator having fixed levitation node for containerless pro

1981-08-28

1983-03-29

Camby, John J.

Heating

With heating gas conveying, agitating, scattering or...

34 57A, 156DIG62, 432227, F27B 1500, F24J 300

Patent

active

043782094

ABSTRACT:
A method and apparatus is disclosed for levitating a specimen of material in a containerless environment at a stable nodal position independent of gravity which includes providing an elongated levitation tube 10 having contoured interior in the form of convergent section 12, constriction 15 and divergent section 14 wherein the levitation node 16 is created. Gas flow control means 30, 54 controls flow to prevent separation of flow from the interior walls in the region of specimen 18. Apparatus 64, 66, provides for levitating and heating the specimen 18 simultaneously by combustion of a suitable gas mixture combined with an inert gas 74.

REFERENCES:
patent: 246690 (1881-09-01), Robinson
patent: 2538833 (1951-01-01), De Rycke
patent: 2619776 (1952-12-01), Potters
patent: 2749109 (1956-06-01), Maud
patent: 3241520 (1966-03-01), Wurster et al.
patent: 4284403 (1981-08-01), Rey

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