Passive building vents

Details Passive building vents Passive building vents

1985-09-03

1986-06-24

Joyce, Harold

98119, F24F 700

Patent

active

045961816

ABSTRACT:
A passive building vent is disposed in an opening provided in an outside vertical wall for communicating between the outside atmospheric air and the confined air space within the building and includes an inner vertical wall having a plurality of horizontally extending louvres with downwardly extending openings and a pair of side wall portions affixed to the inner vertical wall beyond the end of the louvres. A plurality of horizontally disposed vanes extend between the pair of side wall portions and are jounaled in apertures provided therein. The vanes extend downwardly in a vertical plane overlapping and are displaced inwardly providing a free air path therebetween. A coupling rod is provided to connect each of the vanes so that simultaneous movement thereof is obtained when atmospheric air flows in an upwardly direction between the side wall portions, a deflector vane, disposed proximate the lower edges of the side wall portions, closes the opening between the side wall portions and maintains the plurality of vanes in a generally open position.

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