Connecting structure for connecting a fluid circuit section...

Details Connecting structure for connecting a fluid circuit section... Connecting structure for connecting a fluid circuit section...

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 41/08 (2006.01)

Patent

CA 2503707

The invention concerns a connecting structure comprising a metal tubular element (9) including one end (10) crimped in an orifice (7) of the plate (4) and press-fitted in a channel (15) of a plastic connecting member (12) including a chamber (13) emerging outwards through an orifice (14) enabling connection to a fluid circuit section. The invention is useful in particular for producing fuel cells wherein the plate (4), forming parallel channels, constitute a current collector with gas circulating channels in contact with a proton-exchanging membrane.

La structure de raccordement comprend un élément tubulaire métallique (9) ayant une extrémité (10) sertie dans un orifice (7) de la tôle (4) et emmanché à force dans un canal (15) d'un organe de raccordement (12) en matériau plastique comportant une chambre (13) débouchant vers l'extérieur par un orifice (14) permettant le raccordement a un tronçon de circuit de fluide. Application notamment à la réalisation de cellules de pile à combustible où la tôle (4), formant des canaux parallèles, constituent un collecteur de courant avec des chenaux de circulation de gaz en contact avec une membrane échangeuse de protons.

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