Method for defrosting a laboratory freezer door

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

Patent

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Details

F25D 21/10 (2006.01) F25D 21/06 (2006.01) F25D 23/02 (2006.01)

Patent

CA 2164312

The disclosure involves a method for defrosting an inner door (10) of a laboratory freezer (11) having (a) a plurality of inner doors (10), each closing a separate compartment (19), and (b) an outer door (21) covering the inner doors (10). The method includes the steps of opening the outer door (21), removing at least one inner door (10), closing the outer door (21) and defrosting the removed inner door (10). In that way, an inner door (10) is defrosted without disturbing the contents of the freezer (11) and, particularly, the contents of the compartment (19) from which the door (10) is removed. Optionally, the freezer user may keep a spare inner compartment door (10) on hand and use it to immediately replace the removed door (10) before closing the outer door (21). Door defrosting steps and a new hinge mechanism (43) facilitating quick door removal are also disclosed.

L'invention concerne un procédé pour dégriver une porte interne (10) d'un congélateur de laboratoire (11) ayant (a) une pluralité de portes internes (10) qui ferment chacune un compartiment séparé (19) et (b) une porte externe (21) couvrant les portes internes (10). Le procédé consiste à ouvrir la porte externe (21), à enlever au moins une porte interne (10), à fermer la porte externe (21) et à dégrivrer la porte interne enlevée (10). De cette manière, la porte interne (10) est dégivrée sensiblement sans perturber le contenu du congélateur (11) et en particulier le contenu du compartiment (19) dont la porte a été enlevée. L'utilisateur du congélateur peut éventuellement avoir à disposition une porte interne supplémentaire (10) de compartiment et l'utiliser pour remplacer immédiatement la porte enlevée (10) avant de fermer la porte externe (21). On décrit également des procédés de dégivrage de la porte et un nouveau mécanisme de charnière (43) facilitant le remplacement rapide de la porte.

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