Refrigeration – Cooler utilizing solidified gas
Patent
1994-04-28
1995-03-21
Merritt, Karen B.
Refrigeration
Cooler utilizing solidified gas
62 10, 239 142, 239124, 239128, 239545, 239565, F25J 100, F25D 312
Patent
active
053985222
ABSTRACT:
An elongated CO.sub.2 snow forming header is provided for disposition within an elongated insulated container and includes removably closable liquid CO.sub.2 inlet structure at each of its opposite ends. The header includes a central longitudinal supply pipe into either end of which liquid CO.sub.2 may be admitted and a pair of oppositely laterally spaced header lines supporting snow forming nozzles at points spaced longitudinally therealong for discharging jets of CO.sub.2 snow onto opposite sides of the center supply line. Lateral communicating lines communicate each end of the supply line with corresponding ends of the header lines and the communicating lines open into the supply line in a manner such that rapid inflow of liquid CO.sub.2 past the communicating lines causes an appreciable portion of the liquid CO.sub.2 passing through the header lines to be recirculated through the center supply line.
REFERENCES:
patent: 2263913 (1941-11-01), Bargeboer
patent: 3815377 (1974-06-01), Tyree, Jr.
patent: 4376511 (1983-03-01), Franklin, Jr.
patent: 4462423 (1984-07-01), Franklin, Jr.
patent: 4640460 (1987-02-01), Franklin, Jr.
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