Method and apparatus for making carbon dioxide snow

Details Method and apparatus for making carbon dioxide snow Method and apparatus for making carbon dioxide snow

1997-12-24

1999-10-05

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Processes

Of weather control or modification

239 142, 239499, F25C 304

Patent

active

059610417

ABSTRACT:
Disclosed are a method of making CO.sub.2 snow by injecting liquefied CO.sub.2 into a snow horn from the ceiling of the snow horn having an opening at the lower end to effect adiabatic expansion and an apparatus therefor. Liquefied CO.sub.2 is injected radially outward so that it may flow along the curved internal surface of the ceiling and continuously along the internal surface of the snow horn and that effusive flows of liquefied CO.sub.2 may flow independently at the inner upper part of the snow horn and may be combined partly with one another at the inner lower part of the snow horn.

REFERENCES:
patent: 3667242 (1972-06-01), Kilburn
patent: 4111362 (1978-09-01), Carter, Jr.

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