CO.sub.2 Snow cooler with snow splitting bottom

Details CO.sub.2 Snow cooler with snow splitting bottom CO.sub.2 Snow cooler with snow splitting bottom

1982-09-14

1983-09-20

Capossela, Ronald C.

Refrigeration

Cooler utilizing solidified gas

62 35, F25D 302

Patent

active

044048181

ABSTRACT:
A vertically elongated hollow housing including opposite generally parallel side and end walls is provided and closed at its top by a top wall. CO.sub.2 snow forming structure is disposed in a upper portion of the interior of the housing and a bottom wall structure closes the lower portion of the housing. The bottom wall structure includes an elongated horizontally disposed inverted V-shaped wedge of sharply tapered configuration extending between the end walls of the housing and the wedge is functional to split the lower portion of a quantity of snow disposed within the housing above the wedge and to force the lower portions of the quantity of snow into full surface-to-surface heat transfer relation with the inner surfaces of the lower portions of the side walls of the housing horizontally aligned with and opposing the wedge as the quantity of snow sublimes. Further, the side walls of the housing include vertically extending corrugations functioning to at least substantially double the exposed inner and outer surface area of the side walls. The corrugations themselves are trapizoidal in cross section whereby substantially full surface to surface contact between the lower portions of a quantity of CO.sub.2 snow disposed within the housing and the inner surfaces of the corrugated side walls thereof is assured.

REFERENCES:
patent: 2305740 (1942-12-01), Shively
patent: 2738654 (1956-03-01), Elston et al.
patent: 3783633 (1974-01-01), Glynn et al.

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