Patent ID: 8822098

Claim:
A fuel distributor assembly for a fuel cell stack, the fuel cell stack including a plurality of fuel cells, the fuel distributor comprising: an outer shell comprising a sheet, the sheet curved to define a central longitudinal chamber, a first longitudinal edge and a second longitudinal edge, the outer shell having an inner wall surface and an outer wall surface, the first longitudinal edge and the second longitudinal edge defining a longitudinal slot, the first longitudinal edge being bent inwardly towards the longitudinal chamber to form a longitudinal lip; and an inner shell positioned within the outer shell, the inner shell including a plurality of ribs extending outwardly and contacting the inner wall surface of the outer shell wherein the inner shell, the outer shell, the lip, and the ribs define a plurality of flow channels, the inner shell having a length along which a plurality of apertures are positioned in a partial helical pattern, the inner shell receiving fuel that is provided to the plurality of apertures such that fuel flows within the flow channels and emerges from the slot.