Fresh air flow modulation device

Details Fresh air flow modulation device Fresh air flow modulation device

F - Mech Eng,Light,Heat,Weapons

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F

F24F 11/04 (2006.01) F16K 1/22 (2006.01) F16K 31/06 (2006.01) F24F 13/14 (2006.01) F24F 13/15 (2006.01) G01D 5/12 (2006.01) H03M 1/20 (2006.01)

Patent

CA 2210757

A device for monitoring and modulating the admission of fresh air into a building. The device comprises a housing (52); a sensor (54) associated with the housing (52) and operable to measure airflow through the housing (52); and a damper (51) including at least two damper blades (56). Each damper blade (56) includes a shaft (58) rotatably attached to the housing (52) at least at a first shaft end. The shaft (58) is located on the surface of the damper blade (56) so as to divide the surface (70) into first and second substantially equal areas (71, 72).

L'invention porte sur un dispositif permettant de contrôler et de moduler l'admission d'air frais dans un bâtiment. Ce dispositif comprend un boîtier (52), un palpeur (54) associé au boîtier (52) et utilisable pour mesurer un flux d'air passant à travers le boîtier (52) ainsi qu'un modérateur (51) pourvu d'au moins deux ailettes (56), chacune d'elles comportant un arbre (58), fixé au boîtier (52), de manière à pouvoir tourner, par au moins l'une de ses extrémités. Cet arbre (58) est placé sur la face de l'ailette (56) de telle sorte qu'il en divise la surface (70) en deux parties pratiquement égales (71, 72).

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