Adjustable exhaust hood with air curtain

Details Adjustable exhaust hood with air curtain Adjustable exhaust hood with air curtain

1995-03-03

2000-05-09

Yeung, James C.

Stoves and furnaces

Stove hoods

126299D, 55DIG36, F24C 1520

Patent

active

060589299

ABSTRACT:
An exhaust hood is disclosed which comprises an open underside and a grease filter defining an exhaust plenum between the hood and the grease filter and a flow path through the grease filter. A shutter-like panel is slidable into the flow path adjacent to the grease filter for blocking a portion of the flow path to adjust the distribution of air across the face of the hood without altering the volume of air flowing through the exhaust hood. Multiple side-by-side panels may be provided and each panel preferably tapers in height across its width. An intake fan is provided at a front portion of the hood to direct room air from adjacent the hood through an intake plenum and downwardly at a front portion of the space beneath the hood to create a partial air curtain which is then exhausted through the hood.

REFERENCES:
patent: 3513766 (1970-05-01), Ahlrich
patent: 4556046 (1985-12-01), Rifflel et al.
patent: 4811724 (1989-03-01), Aalto et al.
patent: 5522377 (1996-06-01), Fritz

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