Eutectic beams for use in refrigeration

Refrigeration – Intermediate fluid container transferring heat to heat... – Flow line connected transfer fluid supply and heat exchanger

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Details

62430, 62439, 62272, 165 10, F25D 1702, F25D 1100, F25B 3902

Patent

active

051725673

ABSTRACT:
An eutectic beam which includes a plastic housing, an eutectic solution in the housing, and an evaporator tube in the eutectic solution having ends which extend outside the housing. The ends of the evaporator tube are adapted for connection to a refrigeration system. The evaporator tube is formed of copper having a thin protective coating on its outer surface formed of plastic, which is preferably a two component, filled epoxy resin system. The housing, in a preferred embodiment, is formed of a plastic, such as polyethylene, filled with a filler material selected to increase the thermal conductivity and thus the efficiency of the eutectic beam. In still another preferred embodiment, the filler material is also selected to increase both the electrical and thermal conductivity of the housing, with the housing including electrodes for electrically heating the housing to remove frost and ice build-up.

REFERENCES:
patent: 3744272 (1973-07-01), Oldberg
patent: 4103510 (1978-08-01), Hall
patent: 4367633 (1983-01-01), Strathnan
patent: 4403645 (1983-09-01), MacCracken
patent: 4412429 (1983-11-01), Kohl
patent: 4422305 (1983-12-01), Grosskopf
patent: 4459826 (1984-07-01), Hirano et al.
patent: 4928501 (1990-05-01), Negeshi
patent: 5033272 (1991-07-01), Yoshikawa et al.
Thermal Conductivity of a Polymer Filled with Particles in the Wide Range from Low to Super-High Volume Content, Journal of Applied Power Science, vol. 40, 929-941 (1990).

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