Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Means for distributing – storing – or preventing fluid movement
Reexamination Certificate
2010-09-09
2011-11-08
Crepeau, Jonathan (Department: 1725)
Chemistry: electrical current producing apparatus, product, and
Fuel cell, subcombination thereof, or method of making or...
Means for distributing, storing, or preventing fluid movement
C429S434000, C429S457000, C429S463000
Reexamination Certificate
active
08053140
ABSTRACT:
Provided is a fuel cell comprising a membrane electrode assembly, a pair of separators that sandwich the membrane electrode assembly therebetween, and a gas inlet distribution part that connects a reactive gas supply manifold hole and a reactive gas flow channel, wherein the gas inlet distribution part comprises n (n is an integer of 2 or more) distribution ribs that divide the gas inlet distribution part into a plurality of spaces, and each have a long axis perpendicular to the long axis of the linear gas flow channel and have two or more slits parallel to the long axis of the linear gas flow channel, when among the ribs, a distribution rib closest to the reactive gas supply manifold hole is defined as a first distribution rib, a distribution rib closest to the reactive gas flow channel is defined as an n-th distribution rib, and among the spaces, a space on the reactive gas supply manifold hole side from the first distribution rib is defined as a diffusion space, the cross-sectional area of the diffusion space is larger than the cross-sectional area of the slit of the first distribution rib.
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Arai Kenji
Matsumoto Toshihiro
Nakagawa Takashi
Yoshimoto Miyuki
Crepeau Jonathan
Greenblum & Bernstein P.L.C.
Panasonic Corporation
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