Static structures (e.g. – buildings) – Enclosure or cover – with supplemental fluid-guiding port... – Attic vent
Patent
1982-08-17
1984-11-27
Kelly, Donald G.
Static structures (e.g., buildings)
Enclosure or cover, with supplemental fluid-guiding port...
Attic vent
52302, F24F 702, E04F 1704
Patent
active
044844247
ABSTRACT:
A roof vent includes a plate and a housing integrally formed together. An opening in the plate extends upwardly into the hollow interior of the housing. A partition located within the housing divides the interior of the housing into an upper and lower section. The partition includes a hole allowing for fluid flow between the upper and lower sections. A diaphragm lays on the upper surface of the partition over the hole in the partition. The diaphragm prevents fluid movement from the upper section of the interior into the lower section of the interior, but allows for reverse flow of fluid. A diaphragm positioning member is located in the upper section and maintains the diaphragm in its position on the partition over the hole in the partition. The diaphragm positioning member includes at least one opening in it allowing for fluid passage between the partition and the diaphragm and through the opening in the diaphragm positioning means. A cap is attached to the upper end of the housing and protects the upper section against the ingress of foreign material into the same. A passage between the ambient and the upper section of the interior is located in either the cap or the upper edge of the housing and allows for fluid movement between the ambient and the upper section of the interior.
REFERENCES:
patent: 1931066 (1933-10-01), Eckert
patent: 3797181 (1974-03-01), Nievelt
patent: 3984947 (1976-10-01), Patry
patent: 4015381 (1977-04-01), Schmidt
patent: 4080083 (1978-03-01), Malott
patent: 4206692 (1980-06-01), Johnston
patent: 4265058 (1981-05-01), Logsdon
patent: 4280305 (1981-07-01), Logsdon
Boswell K. H.
Kelly Donald G.
O'Brian Edward D.
Safavi Michael
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