Thermal exchange apparatus, particularly for the application...

A - Human Necessities – 61 – F

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Details

A61F 7/00 (2006.01)

Patent

CA 2516008

Thermal exchange apparatus (1) comprising a primary circuit for circulating a primary thermal carrier fluid, said primary circuit being enclosed in a main body (2) and comprising at least one compressor, means for imposing a temperature change on said primary thermal carrier fluid, an expansion member for said primary thermal carrier fluid and a first heat exchanger, at which said primary thermal carrier fluid undergoes a temperature change opposite in sign. A secondary circuit for circulating a secondary thermal carrier fluid is thermally coupled with said primary circuit at said first heat exchanger, said secondary circuit comprising at least one second heat exchanger (4, 4') between said secondary thermal carrier fluid and an external body, said second heat exchanger (4, 4') being external to said main body (2). The thermal exchange apparatus (1) allows cold and/or heat generated in the main body of the apparatus to be transferred in a simple manner and with notable flexibility of use, to apply them to an external body even at a distance from said main body (2) . Such an apparatus has preferred use for the application of thermal treatments on animals or people.

L'invention concerne un appareil d'échange thermique (1) comprenant : un circuit primaire destiné à faire circuler un fluide porteur thermique primaire, ledit circuit étant contenu dans un corps principal (2) et comportant au moins un compresseur ; un moyen destiné à appliquer un changement de température au fluide porteur thermique primaire ; un élément d'expansion destiné audit fluide ; et un premier échangeur thermique dans lequel le fluide porteur thermique primaire subit un changement de température à signes opposés. Un circuit secondaire destiné à faire circuler un fluide porteur thermique secondaire est couplé thermiquement au circuit primaire au niveau du premier échangeur thermique. Ce circuit secondaire comprend au moins un deuxième échangeur thermique (4, 4') placé entre le fluide porteur thermique secondaire et un corps externe, ce deuxième échangeur thermique (4, 4') étant extérieur au corps principal (2). L'appareil d'échange thermique (1) selon l'invention permet de transférer simplement le froid et/ou le chaud généré dans le corps principal et de le/les appliquer sur un corps externe, même si ce dernier est éloigné du corps principal (2). Ledit appareil permet également une bonne souplesse d'utilisation. Cet appareil est utilisé de préférence dans l'application de traitements thermiques sur des animaux ou sur des personnes.

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