Apparatus for cooling food

F - Mech Eng,Light,Heat,Weapons – 25 – D

Patent

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Details

F25D 31/00 (2006.01) B67D 1/08 (2006.01) C09K 5/06 (2006.01) F25D 3/00 (2006.01) F28D 20/02 (2006.01)

Patent

CA 2585464

Disclosed is an apparatus for cooling food, particularly water-based beverages, comprising a cold accumulator (6) that contains a phase transition material. A conduit (8) for a water-based liquid that is to be chilled is guided through the cold accumulator (6). Also provided is a device (2) for dissipating heat from the cold accumulator (6). In order to make such an apparatus less expensive, easier to produce, and more effective, the cold accumulator (6) is made from a composite material containing expanded graphite and a phase transition material which undergoes a solid-liquid phase transition at or above 273 K.

L'invention concerne un dispositif de refroidissement de produits alimentaires, en particulier de boissons à base d'eau, comprenant un accumulateur de froid (6) contenant un matériau à changement de phase. Un conduit (8) pour un liquide à base d'eau à refroidir traverse l'accumulateur de froid (6). En outre, il est prévu un dispositif (2) produisant une dissipation de chaleur de l'accumulateur de froid (6). L'invention a pour but d'obtenir un dispositif du type précité, d'un coût avantageux, simple à fabriquer et d'un rendement amélioré. A cet effet, l'invention est caractérisée en ce que l'accumulateur de froid (6) est réalisé en un matériau composite formé de graphite expansé et d'un matériau à changement de phase pouvant être soumis à un changement de phase solide-liquide à une température égale ou supérieure à 273 K.

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