Heat generator comprising a magneto-caloric material and...

Details Heat generator comprising a magneto-caloric material and... Heat generator comprising a magneto-caloric material and...

F - Mech Eng,Light,Heat,Weapons

25

B

F25B 21/00 (2006.01)

Patent

CA 2556333

The invention relates to a heat generator comprising a magneto-caloric material and a method for generating efficient and reliable thermies enabling of substentially limiting displaceable inert masses in order to produce a magnetic field variation required for obtaining a magnetocaloric effect and usable by individuals and/or industries. The inventive generator (10) comprises magnetocaloric thermal elements (Ti) which are circularly arranged and crossed by conduits containing coolant flowing therethrough and magnetic elements (Gi) exposing said thermal elements (Ti) to a magnetic field action. The generator (10) also comprises magnetic convergence (Mj) and magnetic divergence (mj) elements arranged between the thermal elements (Ti) and the magnetic elements (Gi) and coupled to displacement means (not represented) for moving from one thermal element (Ti) to another thermal element (Ti+1) and initiating the magnetic flux variation in said thermal elements (Ti), thereby promoting the calorie and/or frigorie generation. The invention can be used for tempering, cooling, heating, conserving, drying and air-conditioning.

La présente invention concerne un générateur thermique à matériau magnéto­calorique et un procédé de génération de thermies efficaces, fiables, permettant de limiter considérablement les masses inertes à déplacer pour réaliser la variation de champ magnétique nécessaire à l'obtention de l'effet magnéto-calorique et utilisables par des particuliers et/ou des industriels. Le générateur (10) comporte des éléments thermiques (Ti) magnéto-calorique disposés en anneau et traversés par des conduits dans lesquels circule un fluide caloporteur ainsi que des éléments magnétiques (Gi) soumettant ces éléments thermiques (Ti) à un champ magnétique. Le générateur (10) comporte également des éléments de convergence magnétique (Mj) et de divergence magnétique (mj) disposés entre les éléments thermiques (Ti) et les éléments magnétiques (Gi) et couplés à des moyens de déplacement (non représentés) pour être mobile d'un élément thermique (Ti) à un autre (Ti+l) et provoquer une variation de flux magnétique au sein desdits éléments thermiques (Ti) favorisant la génération de calories et/ou de frigories. Application : tempérage, refroidissement, chauffage, conservation, séchage, climatisation

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