US PATENT SUBCLASS 62 / 910
.~ Expander

Current as of: June, 1999
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62 /   HD   REFRIGERATION

902  DF  Apparatus {6}
910.~ Expander

DEFINITION

Classification: 62/910

Expander:

Subject matter under 902 with specific details to structure wherein the gas or gas mixture undergoes expansion in the cryogenic treatment system (e.g. Pelton wheels, Laval nozzles, vortex tubes, ejectors, or devices where separation occurs by centrifugal force).