About 40 results
https://drivepatents.com/patents/991800 · 10 Apr 2013
A fuel system comprises a fuel pump (10) operable to deliver fuel through a supply line (14) to a pressure raising valve (18), the pressure raising valve (18) including a control chamber (32), the fuel pressure within the control chamber (32) controlling a...
https://drivepatents.com/patents/986017 · 20 Feb 2013
A flow balancing valve 44 for a multistage combustor 12 includes a first pressure feedback line 62A, a first burn line 56A, and a first metering port 60A fluidly connected to a first fuel injector 46A. The flow balancing valve 44 further includes a second ...
https://drivepatents.com/patents/994884 · 19 Dec 2012
The method involves closing a shut-off valve (4) and a control valve (5) in another closed shut-off valve (7), and opening the latter shut-off valve, where the fuel volume (V1) located in fuel line section (1') and in the discharge line (6') is removed. Th...
https://drivepatents.com/patents/998376 · 12 Sep 2012
A system includes a turbine fuel controller (14). The turbine fuel controller (14) includes a purge control logic (40) configured to control a purge sequence of mixing an inert purge gas (36) with a first fuel (18) during a first fuel shutdown, wherein the...
https://drivepatents.com/patents/1001922 · 30 May 2012
The method involves burning fuel (F) with combustion air in a combustion chamber (22) of the gas turbine (12), such that combustion air is supplied through an air supply line (28) and fuel is supplied through a fuel line (26). The compression air is additi...
https://drivepatents.com/patents/1004369 · 14 Mar 2012
A gas turbine engine fuel control system (100) is provided that includes a fuel metering valve (108) and a thrust control valve (114). The fuel metering valve (108) includes a metering valve inlet (107) and a metering valve outlet (109). The metering valve...
https://drivepatents.com/patents/1011421 · 29 Jun 2011
A fuel control system comprises a metering valve (10) operable to control the flow of fuel between a supply line (12) and a delivery line (14), a spill valve (16) operable to control fuel flow within the supply line (12), a pressure raising valve (24) conn...
https://drivepatents.com/patents/1014932 · 16 Mar 2011
A fuel metering unit (FMU) comprising a metering valve (28) operable to control the supply of fuel to a delivery chamber (58) of a pressure raising valve (PRV) (52), the PRV (52) including a valve member (54) movable under the influence of the pressure wit...
https://drivepatents.com/patents/1015444 · 23 Feb 2011
A pressure actuated valve assembly includes a valve body. The downstream end portion of a main spring (106) is engaged with a downstream end portion of the valve body and the main spring is axially aligned with the valve body. A main spring guide (110) is ...
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...