A passive ventilation stack

Details A passive ventilation stack A passive ventilation stack

F - Mech Eng,Light,Heat,Weapons

24

F

F24F 11/00 (2006.01) F24F 7/02 (2006.01) F24F 7/04 (2006.01)

Patent

CA 2608484

A passive ventilation stack for a room, building or the like comprises an interior space and first and second openings providing fluid communication between the interior space and a room to be ventilated, and the outside atmosphere. A control system is provided for varying the size of the openings, so as to cause natural heat exchange between relatively cool ventilation air entering the stack from outside and relatively warm air entering the stack from a room or building to be ventilated.

La présente invention concerne une colonne de ventilation passive pour une pièce, un bâtiment ou analogue. Ladite colonne de ventilation comprend un espace intérieur et des première et seconde ouvertures assurant une communication fluide entre l~espace intérieur et une pièce destinée à être ventilée, et l~atmosphère extérieur. Un système de commande est prévu pour modifier la taille des ouvertures, afin d~entraîner un échange thermique naturel entre un air de ventilation relativement froid entrant dans la colonne à partir de l~extérieur et un air relativement chaud entrant dans la colonne à partir d~une pièce ou d~un bâtiment destiné à être ventilé.

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