Counter-top reheating unit for packaged pre-cooked meals

Details Counter-top reheating unit for packaged pre-cooked meals Counter-top reheating unit for packaged pre-cooked meals

1980-12-30

1982-04-27

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

126 21A, 126110A, 99447, 99355, 219371, 219385, 312236, A21B 122, F27D 1102

Patent

active

043272797

ABSTRACT:
A counter-top reheating unit for packages containing pre-cooked meals which are initially in a frozen state, the unit acting to quickly raise the temperature of the meals to a service temperature level and to maintain the meals at this level for an indefinite period. The unit includes a box-like case having telescoped therein an open-fronted inner box whose walls are spaced from those of the case to define rear and side air spaces therebetween. Mounted within the inner box is a compartment to receive a stack of packages with spacings therebetween. The perforated wall of the compartment is spaced from the rear of the inner box to define a rear plenum. In the heat-up phase, air in the rear space heated by both a high wattage and a low wattage heater element to a temperature well above the service level is blown into the plenum, the resultant pressure differential between the plenum and the rear space causing the air to flow at high velocity through the package spacings in the compartment and via the side spaces back to the rear space to create a continuous flow loop. The operation of the high wattage element is interrupted periodically whereby the meals are subjected to pulses of very hot air separated by lower-temperature intervals during which heat from the outer layer of the food is transferred into the body thereof to prevent the meals from being heated above the service temperature. In the subsequent service phase, the high-wattage element is cut off, and the temperature of the heated air is held at about the service level by the low-wattage element.

REFERENCES:
patent: 3526752 (1970-09-01), Bell
patent: 3836220 (1974-09-01), Ishammar
patent: 3861378 (1975-01-01), Rhoadas et al.
patent: 4030476 (1977-06-01), Hock
patent: 4089322 (1978-05-01), Guibert
patent: 4112916 (1978-09-01), Guibert
patent: 4132216 (1979-01-01), Guibert

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