Roof vent

Details Roof vent Roof vent

1999-04-23

2000-10-10

Joyce, Harold

Ventilation

Having outlet airway

Slant roof ventilator

454367, F24F 702

Patent

active

061296287

ABSTRACT:
A roof vent comprises a base defining an air outlet/inlet portion, a cover having at least one exterior louvre for air flow, a side wall connecting the base and cover, and an interior louver between the exterior louvre and the air inlet/outlet portion with at least one and preferably two strips having slats configured such that matter passing through the vent must substantially traverse the interior louvre. The interior louvre is preferably perpendicular to the exterior louvre. The interior louvre contacts the base and the cover to provide support along with the side wall. A supporting rib may be added for additional support. The cover preferably has a second exterior louvre. A second interior louvre is located between the second exterior louvre and the air inlet/outlet portion such that matter must substantially traverse the second interior louvre if it is to pass through the vent via the second exterior louvre. The side wall preferably has an opening, and a third interior louvre is located between this opening in the side wall and the air inlet/outlet portion such that matter must substantially traverse the third interior louvre to flow through the vent via the opening in the side wall. Air flow is enabled between the air outlet/inlet portion and the outer atmosphere, or vice-versa, via any of the first and second interior louvres and the first and second exterior louvres, respectively, and the third interior louvre and the opening in the side wall. Water and other solid, liquid and particle contaminants are substantially prevented by the louvres from passing through the vent while air flow and mechanical support are facilitated by the multiple interior/exterior louvre pair design.

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International Search Report, PCT/US99/18529.

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