VENTILATING APPARATUS WITH PRESSURE-DEPENDENTLY REGULATING VALVE

摘要

A ventilating apparatus provided with a substantially block-shaped housing (1) with a ventilating channel (2) extending in it, while at least one valve body is present for pressure-dependently regulating the free passage of the ventilating channel, for which purpose the valve body is designed as a body arranged to be substantially freely rotatable about a pivot (9) and provided with at least two closing legs (12, 13) and an initiating leg (14), while one of the closing legs in the initial position extends in and opposite to the flow direction of the ventilating air through the ventilating channel, with respect to which leg a further closing leg and an initiating leg are arranged so as to diverge in a V-shape. The pivot for the valve body, viewed in the flow direction of the air in the ventilating channel, is preferably placed in the outflow mouth area or just behind it.