Compact thermoelectric refrigeration drive assembly

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

Patent

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F25B 21/02 (2006.01) H01L 35/30 (2006.01)

Patent

CA 2206745

A compact thermoelectric refrigeration drive assembly comprises at least one thermoelectric heat transfer device (Peltier Effect device) whose active surfaces are in contact with a respective one of a collector member and a transfer member. When operating, a dc current is applied to the heat transfer device to transfer heat from the collector member to the transfer member. This results in the collector member, which is intended to be located in an insulated chamber, being cooled and the transfer member, which is spaced away from the collector member, being heated. Waste heat is removed from the transfer member via a closed looped fluid cooling system, the transfer member forming at least a portion of one side of a vessel for the cooling fluid and thereby transferring heat to the fluid. The construction and design of the assembly advantageously results in a compact refrigerator drive assembly which can be employed in a variety of environments.

Machine de réfrigération thermoélectrique compacte comprenant au moins un dispositif thermoélectrique de transfert thermique (dispositif à effet Peltier) dont les surfaces actives sont en contact avec un élément collecteur respectif et un élément de transfert respectif. Lorsque la machine est en marche, un courant continu est appliqué au dispositif de transfert thermique afin de transférer la chaleur de l'élément collecteur à l'élément de transfert. Par conséquent, l'élément collecteur, qui doit être placé dans une chambre isolée, est refroidi, et l'élément de transfert, qui est espacé du collecteur, est réchauffé. La chaleur résiduelle est extraite de l'élément de transfert au moyen d'un système de refroidissement de fluide en boucle fermée, l'élément de transfert formant au moins une partie d'un côté d'un récipient pour le fluide de refroidissement et communiquant ainsi la chaleur au fluide. La construction et la conception de l'ensemble donnent une machine de réfrigération compacte qui peut être utilisée dans une variété d'environnements.

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