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1. WO1996004805 - METHOD AND APPARATUS FOR HEATING PRODUCTS BY MEANS OF HIGH-FREQUENCY ELECTROMAGNETIC WAVES

Publication Number WO/1996/004805
Publication Date 22.02.1996
International Application No. PCT/DK1995/000334
International Filing Date 17.08.1995
Chapter 2 Demand Filed 14.03.1996
IPC
A23B 4/01 2006.01
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
4General methods for preserving meat, sausages, fish or fish products
005Preserving by heating
01by irradiation or electric treatment
A23L 1/01 2006.01
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D91; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
1Foods or foodstuffs; Their preparation or treatment
01General methods of cooking foods, e.g. by roasting or frying
A23L 3/01 2006.01
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D91; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
3Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
005by heating using irradiation or electric treatment
01using microwaves or dielectric heating
H05B 6/48 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
6Heating by electric, magnetic, or electromagnetic fields
46Dielectric heating
48Circuits
H05B 6/60 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
6Heating by electric, magnetic, or electromagnetic fields
46Dielectric heating
60Arrangements for continuous movement of material
H05B 6/62 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
6Heating by electric, magnetic, or electromagnetic fields
46Dielectric heating
62Apparatus for specific applications
CPC
A23B 4/01
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
4General methods for preserving meat, sausages, fish or fish products
005Preserving by heating
01by irradiation or electric treatment ; with or without shaping, e.g. in form of powder, granules or flakes
A23L 3/01
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A23B - A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT
3Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
005by heating using irradiation or electric treatment
01using microwaves or dielectric heating
A23L 5/15
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A23B - A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT
5Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
10General methods of cooking foods, e.g. by roasting or frying
15using wave energy, irradiation, electrical means or magnetic fields, e.g. oven cooking or roasting using radiant dry heat
H05B 6/48
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
6Heating by electric, magnetic, or electromagnetic fields
46Dielectric heating
48Circuits
H05B 6/60
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
6Heating by electric, magnetic, or electromagnetic fields
46Dielectric heating
60Arrangements for continuous movement of material
H05B 6/62
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
6Heating by electric, magnetic, or electromagnetic fields
46Dielectric heating
62Apparatus for specific applications
Applicants
  • TULIP INTERNATIONAL A/S [DK/DK]; Gunnar Clausensvej 13 DK-8260 Viby J, DK (AllExceptUS)
  • APV PASILAC A/S [DK/DK]; Pasteursvej DK-8600 Silkeborg, DK (AllExceptUS)
  • PEDERSEN, Henning [DK/DK]; DK (UsOnly)
  • PEDERSEN, Bo, Kjeld [DK/DK]; DK (UsOnly)
  • KJELLERUP, Boerge [DK/DK]; DK (UsOnly)
Inventors
  • PEDERSEN, Henning; DK
  • PEDERSEN, Bo, Kjeld; DK
  • KJELLERUP, Boerge; DK
Agents
  • LARSEN & BIRKEHOLM A/S; Skandinavisk Patentbureau Banegårdspladsen 1 P.O. Box 362 DK-1570 København V, DK
Priority Data
0955/9417.08.1994DK
1167/9407.10.1994DK
Publication Language English (EN)
Filing Language Danish (DA)
Designated States
Title
(EN) METHOD AND APPARATUS FOR HEATING PRODUCTS BY MEANS OF HIGH-FREQUENCY ELECTROMAGNETIC WAVES
(FR) PROCEDE ET APPAREIL DE CHAUFFAGE DE PRODUIT AU MOYEN D'ONDES ELECTROMAGNETIQUES A HAUTE FREQUENCE
Abstract
(EN)
The invention relates to a method for the heat treatment of products in a feeding element (4) by means of high-frequency electromagnetic waves, and an apparatus for the execution of the method. The object of the invention is to minimize or eliminate that power which is emitted by the generator (1) but which is not emitted between the electrodes (20, 22). The object of the invention is achieved by coupling the electrical path of conductivity between the electrodes (20, 22) and frame (11, 12) with reactances, so that between the electrode (20, 22) and frame or earth (11, 12) there exists a resonance circuit which can be adjusted by means of external reactances. By means of the resonance circuit, the possibility is provided of controlling or eliminating the frame current.
(FR)
L'invention concerne un procédé de traitement thermique de produit dans un élément d'alimentation (4) au moyen d'ondes électromagnétiques à haute fréquence, ainsi qu'un appareil de mise en ÷uvre du procédé. L'objet de l'invention est de réduire au minimum ou d'éliminer la puissance émise par le générateur (1) mais non émise entre les électrodes (20, 22). Pour ce faire, on couple le chemin électrique de conductivité entre les électrodes (20, 22) et le cadre (11, 12) à des réactances, de sorte qu'entre l'électrode (20, 22) et le cadre ou la terre (11, 12) existe un circuit de résonance pouvant être ajusté au moyen de réactances externes. Le circuit de résonance permet de réguler ou d'éliminer le courant de cadre.
Also published as
Latest bibliographic data on file with the International Bureau