System for exhausting smoke and controlling fires within a build

Details System for exhausting smoke and controlling fires within a build System for exhausting smoke and controlling fires within a build

1997-08-12

1999-01-05

Joyce, Harold

Ventilation

Having outlet airway

With air pump

454239, 454 16, F24F 1100

Patent

active

058555102

ABSTRACT:
A system for exhausting smoke from a building. The building has a roof, exterior walls and at least one room therein where smoke has accumulated. The system comprises an actuable compressor arranged to draw smokeless air from the atmosphere outside the building and force the atmospheric air through a conduit that is in communication with the compressor. The conduit permits the passage of the forced air therethrough and has a length extending across the room adjacent the ceiling of the room. The conduit has an exit end that is open to the atmosphere. The exit end projects through and extends some distance beyond the overhanging roof of the building to prevent reentry of exhausted smoke and gases. A smoke exhaust valve is located on the length of the conduit extending across the room. The smoke exhaust valve is normally in a closed position. A smoke detection means is provided for opening the smoke exhaust valve and for actuating the actuable compressor in response to detecting an amount of smoke in the room that exceeds a predetermined level. Whenever such an amount of smoke is detected, the smoke detection means actuates the actuable compressor which forces air through the conduit means. Smoke is drawn from the room into the conduit through the open smoke exhaust valve. The system vents the smoke to the atmosphere outside.

REFERENCES:
patent: 863059 (1907-08-01), Elmer
patent: 1245851 (1917-11-01), Wright
patent: 1874573 (1932-08-01), Moore
patent: 4485730 (1984-12-01), Baus
patent: 4765231 (1988-08-01), Aniello
patent: 4805835 (1989-02-01), Schaus
patent: 4928583 (1990-05-01), Taylor et al.
patent: 4944216 (1990-07-01), McCutchen

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