Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2005-12-09
2008-10-28
Ryan, Patrick (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S006000, C429S047000
Reexamination Certificate
active
07442462
ABSTRACT:
A fuel cell apparatus includes tandem storage tanks containing activation devices that release the oxidant gas and fuel gas to the fuel cell membrane when needed. The membrane assemblies surround the storage tanks, overlapping one another in a configuration more suited to use in environments with limited space than the traditional, stacked membrane assemblies. The activation devices are triggered by inertia to puncture membrane valves so that the oxidant gas and fuel gas is kept from the fuel cell membrane prior to inertial triggering and is supplied to the membrane after inertial triggering. The activation devices include spring loaded pivoting arms on supports that swing downward and outward upon subjecting the device to inertial forces.
REFERENCES:
patent: 6969563 (2005-11-01), McLean
Lewis Ben
Pemery Corporation
Ryan Patrick
Schiff & Hardin LLP
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