Multiple-chamber cooling device particularly useful in a dilutio

Refrigeration – Refrigeration producer – Evaporator – e.g. – heat exchanger

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165111, F25B 1900

Patent

active

044598289

ABSTRACT:
A multiple-chamber cooling device particularly useful in a dilution refrigerator in which a working liquid is passed successively through a plurality of chambers in each of which a fraction of the working liquid is allowed to evaporate to cool the remaining working liquid. The cooling device comprises a common body member of low thermal conductivity formed with a plurality of spaced bores each defining one of the chambers, the outlet end of each chamber bore being connected by a passageway to the inlet end of the adjacent bore for passing the working liquid from one to the next chamber bore as a fraction of the working liquid is evaporated to cool the remainder.

REFERENCES:
patent: 3835662 (1974-09-01), Staas et al.
patent: 4134037 (1979-01-01), Berthet

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