About 40 results
https://drivepatents.com/patents/965312 · 27 May 2026
A combustion device 10 includes: a liner 13b having an opening 13f at an end and a combustion chamber 13c formed inside the liner 13b; a first ammonia flow passage 24 inserted through the opening 13f of the liner 13b, the first ammonia flow passage 24 comm...
https://drivepatents.com/patents/1398351 · 1 Apr 2026
In accordance with at least one aspect of this disclosure, a system for active flow control includes one or more flow control devices (102) configured to control flow between a fluid source (104) and a fluid destination (106), and a control module (108) co...
https://drivepatents.com/patents/1399314 · 21 Jan 2026
A fuel control system (100) for a gas turbine engine (10) includes a fuel metering valve (140), a pressure raising and shut-off valve (PRSOV) (160), and a shutoff effector (200) including a first stage unit (210) that is electrically powered and a second s...
https://drivepatents.com/patents/1391676 · 10 Dec 2025
A system includes a variable displacement pump (VDP) (102) with a pump inlet (104) and a pump outlet (106). The VDP is configured to receive a flow at the pump inlet at a first pressure and to outlet a flow from the pump outlet at a second pressure elevate...
https://drivepatents.com/patents/1389063 · 29 Oct 2025
A turbine engine assembly includes an air swirler structure (66), an injector nozzle (108) and a nozzle guide (70). The air swirler structure (66) includes a swirler wall (82), an inner passage (134) and an air swirler passage (122). The swirler wall (82) ...
https://drivepatents.com/patents/1398304 · 3 Sep 2025
A metering valve for a fuel metering unit, comprising: a valve housing (20) defining a housing bore (50) that extends from a first valve housing end towards a second valve housing end along a first axis; and a valve body (22) disposed within the housing bo...
https://drivepatents.com/patents/1394388 · 14 May 2025
A fuel system (100) of an aircraft engine, having: a boost pump (130) having an input (1301) and an output (1302); one or more selector valves (171); a first component pump (141) having an input (1411) fluidly coupled to the output (1302) of the boost pump...
https://drivepatents.com/patents/1398684 · 9 Apr 2025
An engine (10) can utilize a combustor (14) to combust fuel to drive the engine (10). A fuel nozzle assembly (100) can supply fuel to the combustor (14) for combustion or ignition of the fuel. The fuel nozzle assembly (100) can include a swirler (104) and ...
https://drivepatents.com/patents/966137 · 17 Dec 2014
A valve includes a valve housing (102) having a fluid inlet (104) and a fluid outlet (106) with a longitudinal axis (A) defined through the valve housing. The valve also includes a toggle mechanism configured and adapted to cycle flow from the fluid inlet ...
https://drivepatents.com/patents/966124 · 17 Dec 2014
A method of metering fuel with a fuel valve (10) includes arranging a spool (12) within a sleeve (14) along an axis (A), wherein the spool (12) includes four seal lands (22A-22D). The sleeve includes a fuel inlet aperture (S34), a fuel outlet aperture (S36...