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    • 30. 发明申请
    • VENTILATION SYSTEM AND METHOD
    • WO2019234303A1
    • 2019-12-12
    • PCT/FI2019/050436
    • 2019-06-06
    • FRAMERY OY
    • HÄLLFORS, MiikaTAMMINEN, Mikko
    • F24F13/24F24F13/02F24F7/06F24F7/013E04B1/82F24F7/10
    • A ventilation system (100), comprising at least one fan (40) positioned at at least one air inlet aperture (20) for sucking air through the air inlet aperture (20) and providing an air flow; at least one air outlet aperture (30); at least one ventilation inlet aperture (90a) for guiding air into the space to be ventilated and at least one ventilation outlet aperture (90b) for guiding air away from the space to be ventilated; at least one first (50) and at least one second (70) air channel connected with each air inlet or outlet aperture; wherein the first (50) and the second (70) air channel are formed respectively into a single layer of a sandwich-type roof structure of the space to be ventilated; wherein the first (50) and the second (70) air channel, are joined at one end thereof to form an indirect air path from an air inlet or outlet aperture to the ventilation inlet aperture (90a) or ventilation outlet aperture (90b); and wherein the at least one first (50) air channel comprises at least a first (50a) and a second (50b) sub-channel in the plane of the single layer with at least one first sound dampening element (60) therebetween. Also a soundproof space and a method of ventilating a soundproof space.