Portable insulated container with refrigeration

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

Patent

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Details

F25D 11/00 (2006.01) F25B 9/14 (2006.01) F25B 25/00 (2006.01) F25B 27/00 (2006.01) F25D 17/06 (2006.01) F25D 23/06 (2006.01)

Patent

CA 2498394

An insulated container (60) utilizing Stirling cooler technology. The insulated container (60) and the Stirling cooler (20) include a portable power source (72, 110), such as a battery (72), a fuel cell, or a solar panel (114). The Stirling cooler (20) may provide cooling to the inside of the insulated container (60), for example by a heat sink (50) and a fan, direct connection to a liner (94, 100) in the insulated container (60), or a thermosyphon (82) or heat pipe connected to the heat acceptor (28) for the Stirling cooler (20) and routed through the insulated container (60). Controls may be provided that regulate the cycling of the Stirling cooler (20) so that the internal temperature of the insulated container (60) may be controlled. An embodiment includes both a freezer portion (80, 102) and a refrigeration portion (88, 104).

L'invention concerne un contenant isolé (60) utilisant la technologie du refroidisseur à cycle sterling. Le contenant (60) et le refroidisseur (20) comportent une source d'énergie portative (72, 110), du type batterie (72), pile à combustible, ou panneau solaire (114). Le refroidisseur (20) peut refroidir l'intérieur du contenant (60), par exemple au moyen d'un puits de chaleur (50) et d'une soufflante, d'une liaison directe avec une garniture (94, 100) dans le contenant isolé (60), un d'un thermosiphon (82) ou d'un caloduc relié à l'accepteur thermique (28) pour le refroidisseur (20), avec acheminement via le contenant isolé (60). Il est possible d'établir des commandes qui régulent le cycle du refroidisseur (20) de manière à pouvoir contrôler la température interne du contenant isolé (60). Selon une variante, on décrit un étage de congélation (80, 102) et un étage de réfrigération (88, 104).

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