Fuel injector for a gas turbine engine
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United States of America Patent
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Apr 15, 2014
Grant Date -
Dec 9, 2010
app pub date -
May 24, 2010
filing date -
Jun 3, 2009
priority date (Note) -
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Abstract
An improved fuel spray nozzle for a gas turbine engine is proposed, in order to address problems associated with the nozzles being wetted with fuel purged from fuel lines upon engine shutdown. The nozzle has a heat shield provided around a fuel discharge orifice, the heat shield incorporating a sliding expansion joint and having a drip collar arranged to cover the expansion joint so as to protect it from being wetted by fuel ejected through the fuel discharge orifice and falling on the heat shield. The fuel spray nozzle is particularly suited to marine or industrial gas turbine engines having a plurality of radially oriented combustion chambers with respective fuel spray nozzles.
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