About 13 results
https://drivepatents.com/patents/1066983 · 31 May 2006
A fuel supply system for a gas turbine engine comprises a first positive displacement pump (16), a second positive displacement pump (27), said first and second positive displacement pumps (16, 27) being operable simultaneously for the supply of fuel from ...
https://drivepatents.com/patents/1070367 · 1 Feb 2006
A pressure regulator comprises a housing (12), a metering spool (13) movable within the housing (12) to control the degree of opening of a metering orifice (23, 24) of the regulator, a first inlet (23) through which hydraulic fluid at high pressure is supp...
https://drivepatents.com/patents/1075552 · 27 Jul 2005
A fuel supply system for a gas turbine engine including first and second positive displacement pumps (11, 12) operated simultaneously to supply fuel under pressure from a low pressure source (13), and a combining spill valve (16) controlling the output flo...
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/1078542 · 13 Apr 2005
A method of monitoring the health of a positive displacement hydraulic pump characterised by comprising the steps of: establishing a flow path (24, 21a, 26, 39, 38, 17a, 33, 41, 42, 36) having a known flow number between a high pressure outlet line of the ...
https://drivepatents.com/patents/1080126 · 9 Feb 2005
An aircraft gas turbine engine fuel metering unit incorporating a memory device (18) for storing data relevant to that unit, and an electrical connection arrangement whereby data can be read from and/or written to said memory device by an associated electr...
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 (...
https://drivepatents.com/patents/1092423 · 22 Oct 2003
A fuel control system for a gas turbine engine including a main metering valve (15) for controlling fuel flow to a line (18) which in use supplies fuel to a burner manifold (19) of a gas turbine engine, said line including an overthrust valve (21) downstre...
https://drivepatents.com/patents/1093232 · 17 Sep 2003
A fuel system for a gas turbine engine having a main burner fuel supply line (32a) and a pilot burner fuel supply line (23, 24, 26, 25), a high pressure pump (15) supplying fuel to the main and pilot burner supply lines in use, a throttle valve (32) contro...
https://drivepatents.com/patents/1093217 · 17 Sep 2003
A fuel control system for a combustion engine, the system being characterised by comprising: an electrically driven centrifugal pump (220; 429; 620) operable at a pump speed, wherein the pump is arranged to supply pressurised fuel to the engine, and a pres...