F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
327/3
F25B 21/02 (2006.01) F25D 3/08 (2006.01) F25D 11/00 (2006.01) F28F 7/00 (2006.01)
Patent
CA 1102885
ABSTRACT OF THE DISCLOSURE A portable refrigerator unit is cooled by a thermoelectric element of the Peltier type, having hot and cold faces adapted to be energized by an external DC source, which can be disconnected from the unit to make the unit entirely portable. The thermo- electric unit has a cold face in contact with an internal thermal sink, which in turn is in contact with a heat conducting lining, and its hot face in contact with an external thermal sink, having heat dissipating means associated therewith. The internal thermal sink has a large portion imbedded in an insulated wall of the unit, and a relatively small portion having a face free of the insulat- ing material,which free face is in heat-transfer contact with the cold face of the thermoelectric unit. The external thermal sink with its heat dissipating means is spaced from said unit so that its surfaces are exposed to the ambient atmosphere. The external thermal sink and its associated heat dissipating-means is made of a single sheet having a flat central portion,laterally extending loops with the free ends thereof underlying the flat central portion with the three portions in heat-transfer contact with each other to form the thermal sink.
283421
Bipol Ltd.
Macrae & Co.
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