Hydrogen storage installation for feeding fuel cell and...

F - Mech Eng,Light,Heat,Weapons – 17 – C

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F17C 3/06 (2006.01)

Patent

CA 2551937

The invention concerns a hydrogen storage installation for feeding fuel cell (11) in particular for motor vehicles, comprising a liquid hydrogen tank including a light insulation shell made of foam (2) incorporating at least one metal screen (3, 4), and a gaseous hydrogen discharge circuit (8) connected to the hydrogen input of the fuel cell (11) and having at least one portion (14; 13) in thermal exchange relationship with the screen (3, 4), the latter being likewise placed in thermal exchange relationship with the cold part (16) of an electrical refrigerating machine (15) supplied with electric current by the fuel cell (11). The invention is applicable to motor vehicles powered by electric power of a fuel cell.

L'installation de stockage d'hydrogène pour l'alimentation d'une pile à combustible (11), notamment pour véhicules automobiles, comprend un réservoir d'hydrogène liquide comportant une enveloppe isolante légère en mousse (2) incorporant au moins un écran métallique (3, 4), et un circuit (8) d'évacuation d'hydrogène gazeux relié à l'entrée d'hydrogène de la pile à combustible (11) et ayant au moins une portion (14 ; 13) en relation d'échange thermique avec l'écran (3; 4), ce dernier étant également placé en relation d'échange thermique avec la partie froide (16) d'une machine frigorifique électrique (15) alimentée en courant électrique par la pile à combustible (11). Application notamment aux véhicules mus par l'énergie électrique d'une pile à combustible.

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