Kitchen ventilator having a downwardly directed air curtain

Details Kitchen ventilator having a downwardly directed air curtain Kitchen ventilator having a downwardly directed air curtain

1976-10-29

1978-04-11

Capossela, Ronald C.

Stoves and furnaces

Stove hoods

55DIG36, 98 36, F24C 1508, F23J 1100

Patent

active

040833623

ABSTRACT:
A kitchen ventilator has a first outlet for connection to an evacuation duct and a second outlet for recirculation air. The pressure side of the fan is connected to these outlets by means of a valve. A duct from the valve to a odor removal filter adjacent the second outlet forms a plenum chamber, the bottom of which is the bottom wall of the ventilator housing. In this bottom wall openings are provided for producing a downwards flowing air curtain only when the valve is set for recirculation.

REFERENCES:
patent: 2664808 (1954-01-01), Peterson
patent: 2886124 (1959-05-01), Scharmer
patent: 3589266 (1971-06-01), Hike et al.
patent: 3719137 (1973-03-01), Gould

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