About 28 results
https://drivepatents.com/patents/998353 · 12 Sep 2012
A fuel system comprises a supply unit (10) operable to deliver a metered supply of fuel to a supply manifold (14), a staging valve (16) operable to control the supply of fuel from the supply manifold (14) to a pilot outlet (60a, 60b) and a main outlet (54)...
https://drivepatents.com/patents/1000948 · 27 Jun 2012
A fuel staging system is described which comprises a staging valve 28 operable to divide a metered fuel supply between a pilot delivery line 18 and a mains delivery line 16, and a recirculation valve 54 connected to the mains delivery line 16 and operable ...
https://drivepatents.com/patents/1001902 · 30 May 2012
An object of the invention is to provide a reliable gas turbine combustor that can satisfy lowered NOx and combustion stability. The gas turbine combustor includes a combustion chamber 8 to which fuel and air are supplied; a first burner 20 located on the ...
https://drivepatents.com/patents/1003906 · 28 Mar 2012
A fuel delivery system (10) for delivering fuel to a gas turbine engine includes a fixed critical flow nozzle (22), a variable critical flow nozzle (24), a first fuel nozzle (36) and a second fuel nozzle (38). The fixed critical flow nozzle (22) and the va...
https://drivepatents.com/patents/1004862 · 29 Feb 2012
Methods for controlling fuel splits to a combustor of a gas turbine are disclosed. The methods may include determining a combustion reference temperature of the gas turbine (202), measuring a biasing parameter of the gas turbine (204), determining at least...
https://drivepatents.com/patents/1006266 · 11 Jan 2012
A split flow valve arrangement comprising a first valve portion (38) having an inlet (60), a first outlet (64) and a second outlet (66); and a second valve portion (40) having a first inlet (80) coupled to the first outlet (64), a second inlet (82) coupled...
https://drivepatents.com/patents/1067572 · 10 May 2006
The valve has a flow piece (2) provided with a flow channel for the fuel, a channel cross-section determining the fuel flow through the channel, and a closing unit (61) reducing the cross-section. The unit is transferred from a position with minimum coveri...
https://drivepatents.com/patents/1075754 · 20 Jul 2005
The method involves providing a common oxidation supply for all burners (3), common fuel supplies (7,9) for each of first and second burner groups (4) and an additional fuel supply (11) for the second group, supplying lean fuel-oxidator mixtures to both gr...
https://drivepatents.com/patents/1075926 · 13 Jul 2005
A fuel control system for a staged combustion engine comprising, a fuel metering unit (11) including a fuel metering valve (16) having a fuel metering orifice the opening of which is varied to meter the flow of fuel through the metering valve (16) in use, ...
https://drivepatents.com/patents/1090367 · 14 Jan 2004
A fuel system of a staged combustion engine comprising primary and secondary burners (22, 24), the fuel system comprising; a metering valve arrangement (14) for regulating fuel flow from a pump to the engine, a pressure raising shut off valve arrangement (...