Apparatus for thawing and reheating a deep-frozen food preparation by microwave and infrared radiation, and heating process related thereto

Apparatus for thawing and reheating a deep-frozen food preparation by microwave and infrared radiation comprises a housing enclosing a heating chamber which is delimited by a tubular wall. The chamber is subjected to microwave radiation from two inlets as well as infrared radiation. The inlets of mi...

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Bibliographische Detailangaben
Hauptverfasser:	CHARTRAIN, PIERRE, GUILGUE, JEAN-LOUIS M. R
Format:	Patent
Sprache:	eng
Schlagworte:	BAKERS' OVENS BAKING BLASTING DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION EDIBLE DOUGHS ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HEATING HUMAN NECESSITIES LIGHTING MACHINES OR EQUIPMENT FOR BAKING MECHANICAL ENGINEERING OTHER DOMESTIC STOVES OR RANGES PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL RANGES THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	Apparatus for thawing and reheating a deep-frozen food preparation by microwave and infrared radiation comprises a housing enclosing a heating chamber which is delimited by a tubular wall. The chamber is subjected to microwave radiation from two inlets as well as infrared radiation. The inlets of microwave radiation are arranged in two opposed regions of the tubular wall situated on either side of the central region where the food product is positioned, and the infrared heating elements comprise at least two lamps extending axially of the tubular wall and arranged on either side of the central region in two opposed regions distinct from those of the wave guide openings. A heating process performed using this apparatus involves simultaneously producing continuous microwave radiation by alternately feeding two generators branched in anti-parallel, and continuous infrared radiation, throughout a thawing and reheating cycle.