Capacitative apparatus for thawing frozen food in a refrigeratio

Details Capacitative apparatus for thawing frozen food in a refrigeratio Capacitative apparatus for thawing frozen food in a refrigeratio

1979-12-31

1981-12-01

Mayewsky, Volodymyr Y.

Electric heating

Metal heating

Of cylinders

99358, 62 80, 219 1055A, 219 1055F, H05B 646

Patent

active

043038204

ABSTRACT:
Food thawing apparatus is disclosed specially adapted for used in a refrigeration appliance. An enclosure having good thermal communication with surrounding environment is provided with a pair of planar electrodes defining a food thawing zone. One of the electrodes is movable to allow insertion of a frozen food load. A high frequency, relatively low wattage power supply provides uniform energy distribution throughout the food load for gentle heating (thawing). Frequencies of 27.12 MHz or 43 MHz are suggested along with a power level of 100 watts or below, preferably 35-80 watts.
A low cost, semi-automatic embodiment is also disclosed employing a compartment built into a refrigerator with a removable drawer. A drawer latch simultaneously operates to lock the drawer into place and to lower the movable electrode into contact with the food load.

REFERENCES:
patent: 2787891 (1957-04-01), Hengehold
patent: 3056877 (1962-10-01), Schmidt et al.
patent: 3383218 (1968-05-01), Jason et al.
patent: 3394007 (1968-07-01), Campbell
patent: 3465124 (1969-09-01), Sauer
patent: 3474221 (1969-10-01), Jason
patent: 3536129 (1970-10-01), White
patent: 3943332 (1976-03-01), Marsh
patent: 3974355 (1976-08-01), Bach
patent: 4013798 (1977-03-01), Goetsos
patent: 4027132 (1977-05-01), Levinson

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