PROPORTIONAL FUEL PRESSURE AMPLITUDE CONTROL IN GAS TURBINE ENGINES
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United States of America Patent
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Issued Date -
Nov 12, 2009
app pub date -
May 7, 2008
filing date -
May 7, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Valve systems for controlling a flow of fuel in a gas turbine engine and related methods are provided. In one embodiment, the valve system includes a supply conduit, a proportional valve portion, and a pulsating valve portion. The supply conduit is adapted and configured for receiving and carrying a flow of fuel. The proportional valve portion is in fluid connection with the supply conduit adapted and configured to gradually adjust a pressure drop thereacross and thus a flow rate of fuel flowing therethrough. The pulsating valve portion is in fluid connection with the supply conduit, in parallel with the proportional valve portion, and is adapted and configured to rapidly adjust a pressure drop thereacross and thus a flow rate of fuel flowing therethrough.
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