Global patent index - EP 0913652 A3

EP 0913652 A3 2000-12-13 - Refrigerating and / or freezing method for water containing products

Title (en)

Refrigerating and / or freezing method for water containing products

Title (de)

Verfahren zum Kühlen und/oder gefrieren wasserhaltiger Produkte

Title (fr)

Procédé pour réfrigérer et / ou congeler des produits contenant de l'eau

Publication

EP 0913652 A3 (DE)

Application

EP 98120341 A

Priority

DE 19748362 A

Abstract (en)

[origin: EP0913652A2] The product is placed in a vacuum chamber in which the pressure is reduced by a vacuum pump until water vapor leaves the product. It is then cooled by direct evaporation cooling and absorbed in a zeolite bed before the vacuum pump. Evacuation of the vacuum chamber is matched to the absorption characteristics of the zeolite bed so that the product achieves the desired state e.g. temperature, water content etc. No water vapor flows through the zeolite to the vacuum pump.

IPC 1-7 (main, further and additional classification)

F25C 1/16; F25B 17/08

IPC 8 full level (invention and additional information)

F25B 17/08 (2006.01); F25D 31/00 (2006.01)

CPC (invention and additional information)

F25B 17/08 (2013.01); F25D 31/00 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0913652 A2 19990506; EP 0913652 A3 20001213; EP 0913652 B1 20041103; AT 281638 T 20041115; DE 19748362 A1 19990506

INPADOC legal status

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