Control system

F - Mech Eng,Light,Heat,Weapons – 25 – D

Patent

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Details

F25D 29/00 (2006.01) F25D 17/02 (2006.01)

Patent

CA 2699863

The present invention provides a control system for controlling the ice volume fraction of a circulating ice-containing medium. The control system comprises a freezer apparatus (1) for generating an ice-containing medium, a pump (2) for circulating the ice-containing medium through a flow circuit comprising an outward line (3), a main line (14) and a return line (4), and a bypass line (5) connecting the outward line (3) and return line (4) to form a bypass circuit. In use, the time taken for circulating ice-containing medium to pass through the bypass circuit is less than the time taken for circulating ice-containing medium to pass through the flow circuit. The present invention also provides a method for controlling the ice volume fraction of a circulating ice-containing medium using such a control system.

La présente invention concerne un système de contrôle pour contrôler la fraction de volume de glace d'un milieu contenant de la glace en circulation. Le système de contrôle comprend un congélateur pour générer un milieu contenant de la glace, une pompe pour la circulation du milieu contenant de la glace à travers un circuit d'écoulement comprenant une canalisation allant vers l'extérieur, une canalisation principale et une canalisation de retour, une canalisation de dérivation raccordant la canalisation allant vers l'extérieur et la canalisation de retour pour former un circuit de dérivation. Pendant l'utilisation, le temps requis pour la circulation du milieu contenant de la glace pour traverser le circuit de dérivation est inférieur au temps requis pour la circulation du milieu contenant de la glace à travers le circuit d'écoulement. La présente invention concerne également un procédé pour contrôler la fraction de volume de glace d'un milieu contenant de la glace en circulation utilisant un tel système de contrôle.

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Profile ID: LFCA-PAI-O-1919473

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