F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 13/14 (2006.01) F24F 11/047 (2006.01)
Patent
CA 2096614
The invention concerns a device for regulating the ventilation of rooms, comprising a flat, flexible membrane (11) clamped by one of its edges to the inside of the box (12) on its upper wall between the two opposite openings (18) and (19) which it incorporates, the said membrane flexing under the effect of the air current passing through the said box, to block off one of the openings (18) or (19) to a greater or lesser extent, its resistance to flexing being varied depending on the direction in which it is blown by the presence of the stops (13) and (15), which are of different lengths, on each side of its clamped edge, it being possible to increase this difference by means of perforations in the said membrane in the area of the stop closest to the clamped edge.
L'invention concerne un dispositif de régulation de l'aération des locaux comportant une membrane plane flexible (11) encastrée sur l'un de ses côtés à l'intérieur du coffre (12) sur sa paroi supérieure entre les deux ouvertures opposées (18) et (19) qu'il comporte, ladite membrane s'infléchissant sous l'effet du courant d'air traversant ledit coffre, pour obturer plus ou moins l'une des ouvertures (18) ou (19), sa résistance à la flexion étant rendue différente selon son sens de sollicitation par la présence des butées (13) et (15) de longueur différente de part et d'autre de son encastrement, cette différence pouvant être accrue par la présence de perforations de ladite membrane au niveau de la butée la plus proche de l'encastrement.
Robic
Zaniewski Michel Henri
LandOfFree
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