Small volume, fuel cell inlet fuel gas distributor having...

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Grouping of fuel cells into stack or module

Reexamination Certificate

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Details

C429S428000, C429S443000, C429S444000, C429S458000

Reexamination Certificate

active

08076039

ABSTRACT:
In a fuel cell stack, an inlet fuel distributor (15, 31, 31a,31b) comprises a plurality of fuel distributing passageways (17-23, 40-47, 64) of substantially equal length and equal flow cross section to uniformly distribute fuel cell inlet fuel from a fuel supply conduit (13, 14, 50) to a fuel inlet manifold (28). The conduits may be either channels (40-47; 64) formed within a plate (39) or tubes (17-23). The channels may have single exits (65) or double exits (52, 53) into the fuel inlet manifold.

REFERENCES:
patent: 4670361 (1987-06-01), Tsutsumi et al.
patent: 5622606 (1997-04-01), Kügler et al.
patent: 2003/0118878 (2003-06-01), Pinto
patent: 2003/0124410 (2003-07-01), Yi et al.
patent: 2004/0072056 (2004-04-01), Whiton et al.
patent: 2005/0069749 (2005-03-01), Frank et al.

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