Patent ID: 8092950

Claim:
Fuel cell module composed: of a tubular stack of elementary cells ( 10 ), intercalated with interconnectors ( 12 ), the module comprising for each stage relative to a cell ( 10 ): an interconnector ( 12 ); an anodic chamber ( 14 ); an elementary cell ( 10 ), a cathodic chamber, two distribution and collection boxes ( 20 , 30 ) placed at the two ends of the stack, one box ( 30 ) of which is upper and one box ( 20 ) which is lower, and a sealing device formed of an upper seal ( 50 ), situated between the stack and the upper box ( 30 ), characterised in that the sealing device is completed by a lower surface of the upper box ( 30 ), which has, for each stage relative to a cell ( 10 ), two tubular concentric walls ( 38 ) that are immersed in the upper seal ( 50 ), the anodic ( 14 ) and cathodic ( 14 ) chambers being terminated by flared sections ( 43 ), each formed of an inner tubular ferrule ( 44 ) and an outer tubular ferrule ( 45 ), with each flared section containing the upper seal ( 50 ) and opening into a cavity ( 37 ) of the upper box ( 30 ).