Overhead ventilation system for use with a cooking appliance

Details Overhead ventilation system for use with a cooking appliance Overhead ventilation system for use with a cooking appliance

1998-11-13

2000-03-28

Lazarus, Ira S.

Stoves and furnaces

Stove hoods

126299R, F24C 1520

Patent

active

060417749

ABSTRACT:
An overhead ventilation hood for a ventilation system of a conventional cooking appliance. The hood includes a housing with a planar base surface and a recessed interior arrayed in a downwardly facing manner which is defined by a first side, a second spaced apart side, a first interconnecting end and a second interconnecting end. Intake and exhaust openings are formed through the housing proximite the first and second sides. The ventilation system includes a first blower mounted in communication with a first length of ductwork extending to the intake opening to provide a stream of pressurized intake air and a second blower mounted in communication with a second length of ductwork extending from the exhaust opening to provide a stream of pressurized exhaust air. A supply plenum chamber is established along the first side of the housing interior and includes elongate and planar shaped channeling walls and a planar shaped diffuser for regulating a flow of the stream of pressurized air into a central open interior of the housing. An exhaust plenum chamber is established along the second side of the housing interior and includes an elongate planar shaped and angularly mounted filter. Combinations of heat, airborne grease and smoke are issued upwardly from the cooking appliance within the open interior of the hood and are discharged through the filter and within the stream of exhaust air concurrent with intermixing with the regulated flow of the stream of intake air. An elongate and planar shaped deflector extends in proximity to a bottom edge of the angularly disposed filter at a further specified angular orientation and causes a deflected stream of exhaust air to be redirected towards the filter for evacuation from the housing.

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