Portable unit for heating packaged food

Details Portable unit for heating packaged food Portable unit for heating packaged food

1981-11-17

1983-04-26

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

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

99447, 126 21A, 126110A, 219271, 219385, H05B 100

Patent

active

043814433

ABSTRACT:
A portable unit for heating packages containing pre-cooked cold food, the unit acting to rapidly heat up the food to a service temperature level and to thereafter maintain this level. The unit includes a case having a rack therein divided by shelves into a series of compartments, each adapted to receive a food package. Standing vertically behind the rack is an air modulator including a stationary outer tube having a series of longitudinally-aligned ports communicating with the respective compartments. Rotating within the outer tube is an inner tube having a series of angularly-displaced holes which successively register with the ports in the course of a rotary cycle. Air drawn from the free region in the front of the rack is conveyed through a heater station and from there blown into the inner tube to create a pressure differential between the free region and the inner tube. As a consequence, the heated air is projected successively through the ports into the compartments whereby the heated air flowing at high velocity through each compartment has a pulsatory waveform which acts to rapidly heat the food therein.

REFERENCES:
patent: 3221729 (1965-12-01), Beasley et al.
patent: 3439665 (1969-04-01), Stromgrist
patent: 4010341 (1977-03-01), Ishammar
patent: 4038968 (1977-08-01), Rowell
patent: 4089322 (1978-05-01), Guibert
patent: 4113977 (1978-09-01), Hochstrasser et al.
patent: 4307286 (1981-12-01), Guibert
patent: 4327279 (1982-04-01), Guibert

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