Structure and method for optimizing system efficiency when...

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Process or means for control of operation

Reexamination Certificate

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C429S450000

Reexamination Certificate

active

08071248

ABSTRACT:
A fuel cell system includes a fuel cell stack, a fuel inlet conduit, a water inlet conduit, and a hydrometer, such as an alcoholometer. The hydrometer is adapted to provide a measurement of a water-to-fuel ratio of a fuel inlet stream within the fuel inlet conduit. The water inlet conduit is adapted to provide a quantity of water to the fuel inlet conduit in order to achieve a desired water-to-ratio being provided to the fuel cell stack.

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