Stoves and furnaces – Stove hoods
Patent
1998-01-08
1999-05-25
Dority, Carroll B.
Stoves and furnaces
Stove hoods
126299R, F24C 1520
Patent
active
059061952
ABSTRACT:
A ventilation system having a hood located above cooking equipment which generates heat and fumes due to cooking. The hood has an inclined air filter at the back of the hood which rests on a flange extending along the length of the hood at the top thereof and the bottom of the inclined air filter rests on a grease collector extending along the length of the hood. The grease collector is located at a given distance downwardly from the top of the hood. The back of the inclined air filter defines an exhaust area, and the hood also includes an exhaust duct being in direct communication with the exhaust area and a fan for drawing the contaminated air out of the exhaust area. The hood also has a fresh air output that is connected to a fresh air duct including a fan and located along the length of the hood at the front thereof, this fresh air output being designed to inject fresh air into the hood. The invention is characterized in that the fresh air output of the hood is positioned to direct fresh air towards the inclined air filter at an upwards angle with respect to horizontal. The system further has a fresh air diffuser located behind the cooking equipment and near the floor, connected to the fresh air duct and being devised to diffuse air upwardly and downwardly. In use, the fresh air output forces the contaminated air to exit through the filter as it directs a steady stream of fresh air towards the filter. The fresh air diffuser feeds fresh air downwardly, which increases the burner efficiency of the cooking equipment and upwardly at the back of the cooking equipment, which creates air movement towards the hood, reducing the amount of stale air that is present near the floor and behind the cooking equipment.
REFERENCES:
patent: 3400649 (1968-09-01), Jensen
patent: 3952640 (1976-04-01), Kuechler
patent: 4043319 (1977-08-01), Jensen
patent: 4047519 (1977-09-01), Nett
patent: 4089327 (1978-05-01), Welsh
patent: 4153044 (1979-05-01), Nett
patent: 5467761 (1995-11-01), Kuechler
Dority Carroll B.
Ko-Nik Equipment Inc.
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