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1. (WO2018141624) METHOD AND DEVICE FOR CRYOGENIC FREEZING OF PRODUCTS USING A POROUS CONVEYOR BELT AND ALLOWING THE CONSUMPTION OF CRYOGEN TO BE MINIMIZED
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Pub. No.: WO/2018/141624 International Application No.: PCT/EP2018/051840
Publication Date: 09.08.2018 International Filing Date: 25.01.2018
IPC:
F25D 3/11 (2006.01) ,A23L 3/37 (2006.01) ,B65G 15/32 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25
REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
D
REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
3
Devices using other cold materials; Devices using cold-storage bodies
10
using liquefied gases, e.g. liquid air
11
with conveyers carrying articles to be cooled through the cooling space
A HUMAN NECESSITIES
23
FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
L
FOODS, 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
3
Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
36
Freezing; Subsequent thawing; Cooling
37
with addition of chemicals
B PERFORMING OPERATIONS; TRANSPORTING
65
CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
G
TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
15
Conveyers having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
30
Belts or like endless load-carriers
32
made of rubber or plastics
Applicants:
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE [FR/FR]; 75, Quai d'Orsay 75007 PARIS, FR
Inventors:
BRUGGEMAN, Beny; BE
Agent:
MELLUL-BENDELAC, Sylvie; FR
Priority Data:
17305120.202.02.2017EP
Title (EN) METHOD AND DEVICE FOR CRYOGENIC FREEZING OF PRODUCTS USING A POROUS CONVEYOR BELT AND ALLOWING THE CONSUMPTION OF CRYOGEN TO BE MINIMIZED
(FR) PROCÉDÉ ET DISPOSITIF DE SURGÉLATION CRYOGÉNIQUE DE PRODUITS UTILISANT UN TAPIS CONVOYEUR POREUX ET PERMETTANT DE MINIMISER LA CONSOMMATION DE CRYOGÈNE
Abstract:
(EN) A device for the total or partial freezing of items, comprising a conveyor made of a porous material isolated by an enclosure, and means of impregnating the conveyor with a cryogenic liquid, and means enabling items that are to be frozen to be deposited on the porous conveyor, characterized by the implementation of the following measures: - it comprises one or more successive containers capable of containing the cryogenic liquid, for example liquid nitrogen, positioned under the porous conveyor, and downstream from the area of the means for depositing the items to be frozen on the conveyor. - it comprises means of regulating the level of liquid in the container(s) to allow the conveyor, where the items to be processed are arranged, to be able to pass above the successive container(s) and to be flush with the surface of the cryogenic liquid.
(FR) Un dispositif pour la congélation totale ou partielle d'articles, comportant un convoyeur en un matériau poreux isolé par une enceinte, ainsi que des moyens d'imprégnation en un liquide cryogénique dudit convoyeur, et des moyens permettant de disposer des articles à congeler sur le convoyeur poreux, se caractérisant par la mise en œuvre des mesures suivantes: - il comporte un ou plusieurs containers successifs, apte(s) à contenir le liquide cryogénique, par exemple de l'azote liquide, positionné(s) sous le convoyeur poreux, et en aval de la zone des moyens de dépose des articles à congeler sur le convoyeur. - il comporte des moyens de régulation du niveau de liquide dans le ou les containers, pour permettre que le convoyeur, où sont disposés les articles à traiter, puisse passer au dessus du ou des containers successifs, et affleurer la surface de liquide cryogénique.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: French (FR)
Filing Language: French (FR)