Fuel cell

Details Fuel cell Fuel cell

2008-05-27

2008-05-27

Alejandro, Raymond (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000

Reexamination Certificate

active

07378171

ABSTRACT:
A fuel cell includes a membrane electrode assembly, a fuel storage reservoir, an air supply unit, a temperature regulator, and a particulates blocking device. The particulates blocking device includes an multi-layer air filtering unit communicated with the air supply unit for blocking unwanted particulates from the air supplied by the air supply unit. The air filtering unit includes a particle filter layer having a plurality of porous gratings formed thereon for allowing molecules which are smaller than a size of the gratings to pass therethrough, and a molecular filler layer having a plurality of filler grains chemically bound together for absorbing a predetermined kinds of molecules so as to block the molecules from entering into the membrane electrode assembly.

REFERENCES:
patent: 4145280 (1979-03-01), Middelbeek et al.
patent: 2007/0003800 (2007-01-01), Dallas et al.

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