CO.sub.2 cleaning system and method

Details CO.sub.2 cleaning system and method CO.sub.2 cleaning system and method

1993-11-08

1995-04-11

Kisliuk, Bruce M.

Abrading

Abrading process

Utilizing fluent abradant

451 36, 451 40, 451 91, 451 90, 451102, B24B 100

Patent

active

054052831

ABSTRACT:
A nozzle expels liquid CO.sub.2 through an orifice for converting the liquid into CO.sub.2 snow. The nozzle is contained within an elongated cavity within a body which in turn is coupled to an exhaust nozzle for directing the CO.sub.2 snow toward a workpiece. A mixing device is provided for receiving and mixing pressurized air at ambient temperature with liquid nitrogen for precooling the air and then directing the resulting mixture of gases into the cavity and toward the nozzle. In this manner, the precooled shop air will enhance the efficiency of the conversion of the liquid CO.sub.2 into CO.sub.2 snow particles.

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patent: 5111984 (1992-05-01), Niedbala

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