Device and method for generating thermal units with...

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

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F25B 21/00 (2006.01)

Patent

CA 2562496

The invention relates to a device for generating thermal units with magnetocaloric material that consumes low amounts of energy, is expandable, has a simple design, operates reliably, and enables the generation of thermal units in an economical manner while eliminating the risks of thermal liquid leaks and limiting the number of mechanical parts. The device (1a) for generating thermal units with magnetocaloric material comprises: a magnetic element (2a) coupled to an electrical power supply (3a); a magnetocaloric element (4a); a heat transfer fluid circuit (5) in which one or more heat transfer fluids are circulated by circulating means (6), and; two heat exchangers (7, 8). The electrical power supply (3a) is provided for generating electrical pulses in order to create a pulsed magnetic field that causes the heating and cooling of the magnetocaloric element (4a) and thus the heat transfer fluid. The invention is used as a heat exchanger for cooling, heating, air-conditioning and regulating temperature.

La présente invention concerne un dispositif de génération de thermies à matériau magnéto-calorique faible consommateur d'énergie, évolutif, de conception simple, de fonctionnement fiable, permettant la génération de thermies de manière économiquement rentable tout en supprimant les risques de fuite de liquide thermique et en limitant le nombre de pièces mécaniques. Le dispositif (1a) de génération de thermies à matériau magnéto-calorique comporte un élément magnétique (2a) couplé à une alimentation électrique (3a), un élément magnéto-calorique (4a), un circuit (5) de fluide caloporteur dans lequel un ou plusieurs fluides caloporteurs sont mis en circulation par des moyens de circulation (6), et deux échangeurs thermiques (7, 8). L'alimentation électrique (3a) est agencée pour générer des impulsions électriques de manière à créer un champ magnétique impulsionnel provoquant l'échauffement et le refroidissement de l'élément magnéto-calorique (4a) et donc du fluide caloporteur. Application : échangeur thermique pour refroidissement, chauffage, climatisation, tempérage.

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