GASEOUS FUEL SUPPLY SYSTEM FOR A FUEL CELL
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United States of America Patent
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Issued Date -
Oct 13, 2011
app pub date -
May 26, 2010
filing date -
Apr 9, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention discloses a gaseous fuel supply system for a fuel cell. The gaseous fuel supply system includes a first valve, a filter element, at least one pressure adjusting element, a first pipeline, a second valve, a flow rate detector, and a check valve. The first valve makes connection to a gaseous fuel supply source, and the filter element makes connection to the outlet of the first valve. The pressure adjusting element controls the gas pressure of fuel gas. The first pipeline makes connection between the pressure adjusting element and the second valve. The flow rate detector and the check valve are made connection sequentially after the second valve. In virtue of the plural detectors used in the gaseous fuel supply source, once an abnormal phenomenon is detected, the first valve and the second valve will be turned off by a control unit to enhance the safety of the fuel cell.
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