Refrigerating plate for a refrigerator or freezer

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

Patent

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Details

F25B 39/02 (2006.01)

Patent

CA 2560670

The invention relates to a vertical evaporating plate for refrigerating a refrigerator or freezer comprising a roll bond circuit which consists of refrigerant flow channels and comprises a descending and ascending sections, wherein at least a part of channels of the descending section comprises a liquid refrigerant accumulating area of a maximum height (h¿i?), the totality of the heights (h¿i?) is adjustable in such a way that the total volume of the accumulating areas is equal to or greater than half the volume of the liquid refrigerant and each height (h¿i?) is less than 70 % of the entire height of a channel (H¿i?). The inventive plate makes it possible to improve the thermal efficiency and reduce the sound level of a refrigerator or freezer.

L'invention a pour objet un panneau évaporateur vertical pour le refroidissement d'un réfrigérateur ou d'un congélateur, comportant un circuit de type roll bond constitué de canaux pour la circulation du fluide frigorigène avec une partie descendante et une partie remontante, dans lequel une partie au moins des canaux de la partie descendante du circuit comporte une zone d'accumulation à l'état liquide du fluide frigorigène de hauteur maximale h;, l'ensemble des hauteurs h; étant ajusté de sorte que le volume total des zones d'accumulation soit supérieur ou égal à la moitié du volume total de liquide frigorigène, et que chacune des hauteurs h; soit inférieure à 70% de la hauteur totale du canal Hi. Le panneau selon l'invention permet d'améliorer l'efficacité thermique et de réduire le niveau sonore du réfrigérateur ou du congélateur.

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