FIELD: ventilation.
SUBSTANCE: invention relates to ventilation, mainly ventilation of living quarters. Supply ventilation system consists of an inlet grid consisting of a hollow cylinder body, inclined blades located inside the housing from the outer edge, wherein at least two inclined blades in the housing lower part are made with elongation; air channel, inside which filter is installed; forced air supply device consisting of a housing made of a decorative panel and a bearing panel with a seat, a scroll comprising a main housing adjacent to the seat of the housing, and a cover, a radial fan locked inside the scroll, a gate, an electronics unit, at that canal is arranged inside main housing and scroll cover to gradually increase channel depth and cross-sectional width along air flow to form asymmetric diffuser.
EFFECT: efficient air supply due to reduction of aerodynamic resistance.
15 cl, 9 dwg
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