Heat exchange unit, in particular for ventilating a building

Details Heat exchange unit, in particular for ventilating a building Heat exchange unit, in particular for ventilating a building

F - Mech Eng,Light,Heat,Weapons

24

F

F24F 12/00 (2006.01) F28D 9/00 (2006.01) F24F 1/00 (2006.01)

Patent

CA 2344227

The invention concerns an independent heat exchange unit designed to be fixed inside a building comprising a box (12) provided with walls (14, 30) defining two fluid passages (34, 36) with an undulating cross-section and means for circulating air (26) capable of causing countercurrent circulation in the two fluid passages of a fresh air stream (AN) drawn from outside the building and a stale air stream (AV) drawn from inside the building. The walls defining the fluid passages comprise a flexible and thin foil (30) forming undulations (32) capable of being deformed depending on the respective pressure levels of the fresh air stream (AN) and the stale air stream (AV). The invention is useful for ventilating and/or air-conditioning the inside of buildings.

Une unité indépendante d'échange de chaleur prévue pour être placée à l'intérieur d'un bâtiment comprend un boîtier (12) muni de parois (14, 30) délimitant deux passages de fluide (34, 36) ayant une section de forme ondulée et des moyens de circulation d'air (26) propres à faire circuler à contre-courant dans les deux passages de fluide un flux d'air neuf (AN) prélevé à l'extérieur du bâtiment et un flux d'air vicié (AV) prélevé à l'intérieur du bâtiment. Les parois délimitant les passages de fluide comprennent une feuille souple et mince (30) formant des ondulations (32) susceptibles de se déformer en fonction des pressions respectives du flux d'air neuf (AN) et du flux d'air vicié (AV). Application à la ventilation et/ou la climatisation de l'intérieur de bâtiments.

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