Cryogenic storage of thermolabile products

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

Patent

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Details

F25D 25/00 (2006.01) F25D 3/10 (2006.01) G01N 35/00 (2006.01)

Patent

CA 2214975

A device for cryoprotecting thermolabile products. A container (20) receives an annular rack (40) which is sealed by an enclosure (60). The enclosure (60) includes an outer stationary toroid (70) and a rotatable core (90). A robotic arm (160) is adapted to move and is supported by the core (90). The robotic arm (160) accesses an interior of the enclosure (60). An access portal (80) allows removal and placement of thermolabile products constrained by a holder (150). The robotic arm (160) accesses product and holder (150) and embarks upon controlled freezing of the product and its location in the rack (40) until subsequent retrieval. A computer controls the rate of freezing and stores in memory the location of all of the stored products. The robotic arm (160) reads the product in storage to assure the correct product is being accessed.

Cette invention se rapporte à un dispositif pour la cryprotection de produits thermolabiles. A cet effet, un conteneur (20) abrite une armoire annulaire (40), laquelle est enfermée hermétiquement dans une enceinte (60). L'enceinte (60) comprend un tore fixe externe (70) et un noyau rotatif (90). Un bras de robot (160) est conçu mobile, tout en étant soutenu par le noyau (90). Ce bras de robot (160) a accès à l'intérieur de l'enceinte (60). Une porte d'accès (90) permet au robot de retirer et de placer dans l'enceinte les produits thermolabiles retenus par un support (150). Le bras de robot (160) a accès au produit et à son support (150) et il prend en charge le produit tout en contrôlant sa congélation et sa position dans l'armoire (40), jusqu'à la prochaine opération de prélèvement. Un ordinateur commande la vitesse de congélation et mémorise la position de tous les produits entreposés. Le bras de robot (160) lit le produit entreposé, pour s'assurer que c'est le bon produit qui est prélevé.

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