F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 3/16 (2006.01) B01D 46/18 (2006.01) F24F 13/00 (2006.01) F24F 13/26 (2006.01) F24F 13/28 (2006.01)
Patent
CA 2057869
Device comprising a filter (10) associated with a ventilation air intake. According to the invention, this device also comprises a blocking component (12) of impermeable material designed to press against the filter (10) to partly or completely cover it, said blocking device being associated with means for controlling its movement, said movement control means being connected to a computing device (18) which receives information consisting of the pressure or flow rate at the outlet of the ventilating unit (2) and which takes action depending on the information transmitted to it to maintain the pressure at a constant value by acting on the position of the blocking component in relation to the filter and/or on the advancement of the filter. Application to the ventilation of premises.
Dispositif comprenant un filtre associé à une prise d'air de ventilation. Selon l'invention, ce dispositif comporte en outre un élément obturateur réalisé en un matériau imperméable, destiné à venir se plaquer contre le filtre pour recouvrir celui-ci en tout ou partie, cet obturateur étant associé à des moyens de commande de son mouvement, les moyens de commande du mouvement étant reliés à un calculateur qui reçoit une information constituée par la valeur de la pression ou la valeur du débit à la sortie du groupe de ventilation, le calculateur intervenant, en fonction de l'information qui lui a été fournie pour assurer le maintien de la pression à une valeur constante, en agissant sur la position de l'obturateur vis-à-vis du filtre, et/ou sur l'avancement du filtre. Application à la ventilation de locaux.
Jardinier Pierre
Simonnot Jacques
Robic
Societe D'etude Et de Recherche En Ventilation Et Aeraulique (se
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