Food holding cabinet with stabilized air flow

Details Food holding cabinet with stabilized air flow Food holding cabinet with stabilized air flow

1982-08-26

1984-05-08

Zugel, Francis K.

Foods and beverages: apparatus

Subjecting food to an enclosed modified atmosphere

Including means to influence movement of gas within enclosure

99483, F26B 906

Patent

active

044467800

ABSTRACT:
A food holding cabinet having a heating and air circulating system overlying the interior of the cabinet, the system including a blower having its inlet side connected to an air mixing chamber and its outlet side connected to an air heating chamber. The air mixing chamber has a first air inlet orifice at the front-top-center of the interior of the cabinet for recirculating air from within the cabinet and a second air inlet orifice in communication with the outside of the cabinet to introduce fresh air, the recirculated air and fresh air being admixed in the air mixing chamber and discharged into the heating chamber. From the heating chamber the air flows downwardly through a duct at the rear of the cabinet, the duct having rows of perforations aligned with the undersurfaces of product containing trays or baskets in the cabinet, the air being drawn through the cabinet for return to the mixing chamber. Air vents are provided in the lower front wall of the cabinet to enhance the circulation of air throughout the lower frontal portion of the cabinet to stabilize the temperature of the air circulating through the interior of the cabinet and prevent the formation of cold spots. Mechanisms may be provided to vary the proportion of fresh air to recirculating air, and the vent ports in the front wall of the cabinet may be provided with mechanisms to control the quantity of air flowing through the vent ports.

REFERENCES:
patent: 354748 (1886-12-01), Sloan
patent: 1929881 (1933-10-01), Darrah
patent: 3958552 (1976-05-01), Lawler
patent: 4237623 (1980-12-01), Timm et al.

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