Stoves and furnaces – Stove hoods
Patent
1977-02-24
1979-01-16
Capossela, Ronald C.
Stoves and furnaces
Stove hoods
55DIG36, 98 36, F24C 1508, F23J 1100
Patent
active
041343948
ABSTRACT:
An air ventilation system for use in conjunction with a cooking exhaust hood for exhausting cooking vapors, odors and the like from the air space above a commercial kitchen stove. The exhaust hood defines an air space above the stove and includes an exhaust fan which draws a predetermined amount of air from the air space between the hood and the stove. The hood includes a primary air passage along the internal front perimeter of the hood canopy for inducing air into the air space to replenish a substantial portion of the air exhausted through the hood. Air is supplied to the primary air passage by means of a motorized fan drawing outside air into the passage. A secondary air passage is also provided on the outer face of the hood canopy for directing conditioned air in front of the hood and stove to provide a curtain of air for preventing odors and cooking vapors from escaping from the stove while a portion of the secondary air supply is directed into the air space above the stove cooking surface and exhausted through the exhaust hood. In the preferred embodiment the conditioned air is obtained from a heat return duct such that in winter months warm air is directed through the secondary air passage providing warm air to the personnel within the kitchen, while in the summer months cool air is directed through the secondary air passage to again provide a comforting condition for the kitchen personnel.
REFERENCES:
patent: 3457850 (1969-07-01), Sweet et al.
patent: 3978777 (1976-09-01), Nett
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