Annular dome assembly for a combustor
Granted: July 2, 2024
Patent Number:
12025315
An annular dome assembly for a combustor. The annular dome assembly includes an annular dome including one or more dome panels defining the annular dome. A first dome panel includes a dome upstream surface and a dome downstream surface opposite the dome upstream surface. One or more dome arms extend from the dome upstream surface. One or more apertures extend from the dome upstream surface to the dome downstream surface. The annular dome assembly also includes a deflector assembly…
Self-cleaning conduits for hydrocarbon fluids
Granted: July 2, 2024
Patent Number:
12025266
A self-cleaning conduit for a hydrocarbon fluid. The conduit includes a tube having an interior surface defining a flow passage for the hydrocarbon fluid. The tube is formed of (i) a shape memory alloy or (ii) a first metal and a second metal having a coefficient of thermal expansion different from the first metal. At least one of a plurality of recesses and a plurality of protrusions are formed on the interior surface of the tube within the flow passage. The tube is characterized by a…
Wind turbine nacelles
Granted: July 2, 2024
Patent Number:
12025105
The present disclosure relates to wind turbine nacelles (16), comprising a housing including a front side (270), and a rear side (250) separated from the front side along an axial direction (x), first and second sidewalls (260) extending from the front side to the rear side and a roof. The roof comprises one or more roof panels (210, 220, 230, 240), and at least one of the roof panels is a displaceable roof panel configured to be displaced relative along the axial direction (x) to…
Gas turbine engine with fuel cell assembly
Granted: July 2, 2024
Patent Number:
12025061
A method of operating a gas turbine engine is provided. The method includes: providing a flow of a primary fuel to a combustor of a turbomachine, the turbomachine including a compressor, a turbine, and a spool rotatable with the compressor and the turbine; receiving data indicative of a spool parameter of the spool; and modifying a flow of a secondary fuel to the combustor in response to the received data indicative of the spool parameter of the spool.
Variable geometry inlet for turbopropeller inlet pressure recovery optimization
Granted: July 2, 2024
Patent Number:
12025055
A turboprop engine includes a main nacelle body, a rotatable hub provided on the main nacelle body, a plurality of propellers connected to the rotatable hub, and a nacelle extension coupled to the main nacelle body, the nacelle extension including at least one wall defining an air intake inlet. The air intake inlet is movable in an airflow axis with respect to a trailing edge of a propeller in the plurality of propellers to vary a distance between the air intake inlet and the trailing…
Pump mixer separator unit
Granted: July 2, 2024
Patent Number:
12025054
A pump mixer separator unit is provided in communication with a stripping gas line that provides an inlet stripping gas flow and a fuel line that provides an inlet fuel flow. The pump mixer separator unit includes a first pump in fluid communication with the stripping gas line and the fuel line to form a fuel/gas mixture flow and generate a first pressure rise from the inlet fuel flow to the fuel/gas mixture flow; and a second pump in fluid communication with the first pump, wherein the…
Actuation assembly for a fan of a gas turbine engine
Granted: July 2, 2024
Patent Number:
12025031
A fan assembly is provided for a gas turbine engine including: a plurality of fan blades, the plurality of fan blades including a first fan blade; and an actuation assembly including: a first linkage connected to the first fan blade; a first pivot point rotatable with the first fan blade, the first linkage further connected to the first pivot point; a control point moveable relative to the first pivot point and connected to the first linkage for changing a relative position of the first…
Blade tip clearance control using material with negative thermal expansion coefficients
Granted: July 2, 2024
Patent Number:
12025011
Clearance control systems with thermal actuators are disclosed. An example thermally-actuated clearance control system for a gas turbine engine includes a compliant material; a high-conductive material coupled to a first surface of the compliant material, the high-conductive material thermally coupling the compliant material to a heated substance, the compliant material to expand radially-inward toward a fan blade when the high-conductive material provides heat; and an abradable material…
Adhesion of a substrate onto a CMC component
Granted: July 2, 2024
Patent Number:
12023904
Methods for adhering a substrate onto a surface of a ceramic component are provided. The method may include applying a first bond coating onto an attachment surface of the substrate, applying a first alumina coating onto the first bond coating on the attachment surface of the substrate, applying a second bond coating onto an outer surface of the ceramic component, applying a second alumina coating onto the second bond coating on the attachment surface of the substrate, applying a cement…
Gas turbine engine combustor with dilution passages
Granted: June 25, 2024
Patent Number:
12018839
A combustor including an annular liner, a dome wall, a combustion chamber, at least one fuel cup and at least one dilution passage. The fuel cup being provided on the dome wall and being fluidly coupled to the combustion chamber. The fuel cup defining a fuel cup centerline. The at least on dilution passage terminating in at least on slot opening onto the dome wall, with the at least one slot having a longitudinal body axis.
System and method for controlling a valve of a portable medical device
Granted: June 25, 2024
Patent Number:
12016664
A non-invasive blood pressure monitoring device includes an inflatable blood pressure cuff, a pump device for pressurizing the cuff, a pressure sensor to monitor blood pressure as physiological parameter, and an electrically actuated, normally-open solenoid valve configured to maintain a cuff pressure. A control unit configured to regulate a valve hold value for holding the normally-open solenoid valve at a desired closed position, wherein the valve hold value is at least one of a…
Cowl assembly for a gas turbine engine
Granted: June 25, 2024
Patent Number:
12018838
An aerodynamic device defining a thickness direction is provided. The aerodynamic device configured to produce lift or thrust or configured to be a part of an aerodynamic system that produces lift or thrust. The aerodynamic device includes a cowl assembly that defines at least in part an airflow stream. The cowl assembly includes a first cowl and a second cowl moveable relative to the first cowl. The first cowl includes a plurality of first cowl indentations at an end of the first cowl.…
Pericritical fluid systems for turbine engines
Granted: June 25, 2024
Patent Number:
12018594
A pericritical fluid system for a thermal management system associated with a turbine engine may include one or more sensors configured to generate sensor outputs corresponding to one or more phase properties of a pericritical fluid flowing through a cooling circuit of the thermal management system, and a controller configured to generate control commands configured to control one or more controllable components of the thermal management system based at least in part on the sensor…
Outlet guide vane assembly for a turbofan engine
Granted: June 25, 2024
Patent Number:
12018592
A turbofan engine defining a circumferential direction is provided. The turbofan engine includes: a turbomachine, the turbomachine defining a pylon attachment location along the circumferential direction; an unducted rotor assembly drivingly coupled to the turbomachine, the unducted rotor assembly including a plurality of unducted rotor blades; and a plurality of outlet guide vanes positioned downstream of the plurality of unducted rotor blades, the plurality of outlet guide vanes…
Turbine engine with a cowl door
Granted: June 25, 2024
Patent Number:
12018575
A turbine engine including an engine core, a nacelle, and a cowl door. The engine core including in serial, axial flow arrangement a compressor section, a combustor section, and a turbine section and defining a first airflow axially through the engine core. The nacelle circumscribing at least a portion of the engine core and having an exterior surface defining a second airflow along the exterior surface and an internal passage located between the exterior surface and the engine core and…
Seal coats to prevent silicon loss during re-melt infiltration of Si containing composites
Granted: June 25, 2024
Patent Number:
12017962
Provided is a method including obtaining ceramic matrix composite (CMC) with a first matrix portion including a silicon carbide and silicon phase dispersed therewithin, disposing a coating thereupon to form a sealed part, and forming thereupon another segment comprising a CMC, which may be another matrix portion including a silicon carbide and a silicon phase dispersed within therewithin. Also provided is a gas turbine component with a CMC segment including a matrix portion including a…
Onboard liquid hydrogen storage for a hydrogen aircraft
Granted: June 25, 2024
Patent Number:
12017789
An aircraft including a fuselage, a power generator configured to provide power to the aircraft, and at least one fuel tank for holding fuel for the power generator, and a fuel delivery assembly. The fuel tank is positioned in the fuselage and is configured to hold hydrogen fuel in a liquid phase. The fuel tank has a chamber for holding the hydrogen fuel and a fuel extraction line fluidly coupled to the chamber. The fuel extraction line extends from the fuel tank in a forward direction…
Inlet for unducted propulsion system
Granted: June 25, 2024
Patent Number:
12017751
A propulsion system is provided including an unducted rotating fan defining a fan axis; and a turbomachine disposed downstream from the unducted rotating fan, wherein the turbomachine defines a working gas flowpath flowing therethrough; wherein the propulsion system defines a third stream flowpath and an inlet passage having an inlet that is offset from the fan axis, wherein the inlet passage is configured to provide an inlet airflow to the working gas flowpath, and wherein the third…
Systems and methods for compression, management, and analysis of downbeam camera data for an additive machine
Granted: June 25, 2024
Patent Number:
12017301
An example additive manufacturing apparatus includes an energy source to melt material to form a component in an additive manufacturing process, a camera aligned with the energy source to obtain image data of the melted material during the additive manufacturing process, and a controller to control the energy source during the additive manufacturing process in response to processing of the image data. The controller adjusts control of the energy source based on a correction determined…
Irradiation devices with optical modulators for additively manufacturing three-dimensional objects
Granted: June 25, 2024
Patent Number:
12017298
An irradiation device for additively manufacturing three-dimensional objects may include a beam generation device configured to generate an energy beam, an optical modulator including a micromirror array disposed downstream from the beam generation device, and a focusing lens assembly disposed downstream from the optical modulator. The micromirror array may include a plurality of micromirror elements configured to reflect a corresponding plurality of beam segment of the energy beam along…
