Fuel staging system
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United States of America Patent
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Nov 18, 2014
Issued Date -
N/A
app pub date -
Nov 18, 2008
filing date -
Nov 20, 2007
priority date (Note) -
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Abstract
A fuel staging system comprises a splitter valve arranged to split an input fuel stream into a pilot fuel stream and a main fuel stream, the splitter valve comprising a spool slidable within a bore, the spool and bore together defining first and second control chambers, the fluid pressures in which determine the position occupied by the spool, the system further comprising a control line which, in use, controls fuel delivery through a plurality of main burners, the fluid pressure in the control line being a combination of the fluid pressures in the first and second control chambers.
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