ON-BOARD ELECTRICITY PRODUCTION SYSTEM USING A FUEL CELL
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United States of America Patent
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Jun 12, 2014
app pub date -
Dec 9, 2013
filing date -
Dec 10, 2012
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Abstract
The invention relates to an electricity production system for feeding electrical energy to a device of an aircraft. The system comprises a generator for generating gaseous hydrogen from hydrogen in non-gaseous form, a main tank connected upstream to the generator and for containing gaseous hydrogen under a pressure substantially higher than atmospheric pressure, the gaseous hydrogen being produced by the generator, at least one fuel cell, an expander connected upstream to the main tank and downstream to the fuel cell(s), where upstream and downstream are defined relative to the flow direction of the hydrogen under normal conditions of operation of the system, and a control device that regulates the flow rate and the pressure of the gaseous hydrogen from the main tank to the fuel cell(s) via the expander.
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