Panel made of a highly insulated electrothermal fabric

Details Panel made of a highly insulated electrothermal fabric Panel made of a highly insulated electrothermal fabric

F - Mech Eng,Light,Heat,Weapons

24

D

F24D 13/02 (2006.01)

Patent

CA 2373181

Panel (10) for generating and diffusing heat obtained from a heat-radiating board (30) comprising one or more pieces of electrothermal fabric with strips of fibreglass laid side by side to form the warp, the weft (50) consisting of a continuous copper wire (51), small in diameter and of considerable length, coated with insulating material, that extends serpentinewise passing alternatively above and below the strips of fibreglass, said board (30) being completed by intermediate and external layers (35, 36) of epoxidic thermoadhesive material and clad on both surfaces with sheets of micanite (31, 32), so that on connecting the ends of the wire (51) forming the weft (50) to a source of electric current, boring holes (65, 66) using means, that may be a laser beam, on the thermoadhesive layer (35, 36) covering the weft (50), this latter converts electric energy into thermal energy.

L'invention concerne une structure (10) conçue pour générer et diffuser de la chaleur obtenue d'un panneau (30) constitué d'au moins une pièce de toile électrothermique, des bandes de fibres de verre étant disposées côte à côte de façon à former la chaîne. La trame (50) est constituée d'un long fil de cuivre continu (51) au diamètre réduit, revêtu d'une matière isolante, qui s'étend en ligne sinueuse alternativement au-dessus et au-dessous des bandes de fibres de verre. Le panneau (30) est complété de couches intermédiaire et externe (35, 36) d'une matière époxyde thermoadhésive, les deux surfaces du panneau étant recouvertes de feuilles de micanite (31, 32), de façon qu'en reliant les extrémités du fil (51) formant la trame (50) à une source électrique, et en perçant des orifices (65, 66), au moyen d'un faisceau laser par exemple, dans les couches thermoadhésives (35, 36) recouvrant la trame (50), cette dernière transforme l'énergie électrique en énergie thermique.

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