Air intake apparatus

Details Air intake apparatus Air intake apparatus

1988-07-01

1989-07-25

Joyce, Harold

98 64, 98119, F24F 702

Patent

active

048502650

ABSTRACT:
A cupola having a set of upper and lower elongate openings. A pair of baffles are disposed in the cupola so as to capture rain driven in through the upper opening and subsequently divert the rain out through the lower openings. A pair of flanges are affixed to the cupola to deflect wind driven articles away from the lower openings. Air flowing into the cupola, which is mounted on a roof of a building, is directed by a duct to a counterweight valve, which is affixed in the building. The counterweight valve includes a flap which is counterbalanced by a counterweight. The flap opens and closes in response to static pressure in the building.

REFERENCES:
patent: 1613897 (1927-01-01), Lighty et al.
patent: 2057627 (1936-10-01), Ferris
patent: 2502736 (1950-04-01), Marcoe
patent: 3174423 (1965-03-01), Rigterink et al.
patent: 3299798 (1967-01-01), Nabben
patent: 3919927 (1975-11-01), Bernard, Jr.
patent: 4334577 (1982-06-01), George

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