Ventilating apparatus

Details Ventilating apparatus Ventilating apparatus

1992-05-18

1993-11-09

Joyce, Harold

Ventilation

Having both inlet and outlet airways

Including unitary inlet and outlet housing

F24F 316, F24F 7007

Patent

active

052598160

ABSTRACT:
A ventilating apparatus which includes a housing divided by a rib into an inlet passage, an outlet passage, and a chamber. A controlling system having a motor, a drawing fan, and an exhaust fan. A filter net inserted in a slot between the air inlet of the housing and the drawing fan. A cover having a flange is fixedly mounted on the top of the housing and a louver provided with a plurality of air outlets and a plurality of air inlets is mounted on the bottom side of the housing.

REFERENCES:
patent: 2152614 (1939-03-01), Younger
patent: 2209054 (1940-07-01), Doud et al.
patent: 2856836 (1958-10-01), Spear

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