Soffit mount air ventilator

Details Soffit mount air ventilator Soffit mount air ventilator

1991-12-02

1992-12-01

Nilson, Robert G.

Ventilation

Having outlet airway

With air pump

454354, F24F 700

Patent

active

051675781

ABSTRACT:
A vent hood mountable on the soffit of a building for exhausting a room ventilating system to atmosphere and a building having a room ventilating system connected to such soffit mounted vent. The ventilating system is a conventional power driven forced air unit with an air inlet communicating with the room to be ventilated and an exhaust outlet. The exhaust outlet is connected to the soffit mounted vent hood by a flexible conduit. The vent hood has a pivotally mounted flap valve normally closed and remains closed, when not in use, by the force of gravity. The flap valve is upstream from the discharge opening from the vent hood and preferably slopes, when in a closed position, relative to the vertical when the vent hood is mounted in situ.

REFERENCES:
patent: 2739521 (1956-03-01), Spear
patent: 2780981 (1957-02-01), Miller
patent: 2785622 (1957-03-01), Carrick
patent: 2790377 (1957-04-01), Pyrne
patent: 3000293 (1961-09-01), Grace
patent: 4498373 (1985-02-01), Dittmer
patent: 4667581 (1987-05-01), Hovland
patent: 4872398 (1989-10-01), Shen

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