Thermal management system
Granted: March 25, 2025
Patent Number:
12259194
A gas turbine engine is provided. The gas turbine engine includes: a thermal management system having a thermal fluid member having a flow of thermal fluid therethrough during operation of the gas turbine engine and a heat exchanger assembly, the heat exchanger assembly including: a core section comprising a plurality of heat exchange members; and a heat exchange manifold including a first direction pressure vessel in fluid communication with the thermal fluid member and a second…
System and method for monitoring damage of a bearing for a wind turbine
Granted: March 25, 2025
Patent Number:
12258939
A method for monitoring damage of a slewing ring bearing of a wind turbine includes arranging at least one optical fiber sensor adjacent to or at least partially on at least one of an inner race or an outer race of the slewing ring bearing. Further, the method includes receiving, via a controller, signals from the at least one optical fiber sensor indicative of one or more changes associated with the slewing ring bearing. The method also includes comparing, via the controller, the one or…
Cowl assembly for a propulsor
Granted: March 25, 2025
Patent Number:
12258923
A propulsor is provided having a power source; a fan section coupled to the power source and configured to provide thrust opposite a downstream direction; and a cowl assembly at least partially enclosing the power source and the fan section, the cowl assembly including: a forward cowl component; a first aft cowl component disposed in the downstream direction relative to the forward cowl component and movable to vary a first aft cowl displacement from the forward cowl component in the…
Vehicle and propulsion system with hydrogen fuel system
Granted: March 25, 2025
Patent Number:
12258907
An aircraft propulsion system in includes a compressor section, a heat addition system, and an expansion section in serial flow arrangement, wherein the heat addition system is configured to receive a flow of gaseous fuel from a fuel system, and wherein the flow of gaseous fuel is provided to the heat addition system to generate combustion gases. A lubricant system is configured to provide a flow of lubricant through the propulsion system. A hydraulic system is configured to provide a…
Passive auxiliary lubrication system
Granted: March 25, 2025
Patent Number:
12258904
A passive auxiliary lubrication system for supplying lubricant to a gearbox assembly of an engine. The passive auxiliary lubrication system includes an auxiliary tank for storing lubricant. The auxiliary tank is passively pressurized. The passive auxiliary lubrication system also includes an auxiliary tank feed line fluidly coupled with the auxiliary tank and a primary lubrication system. The lubricant is supplied to the auxiliary tank from the primary lubrication system through the…
Gearbox assembly
Granted: March 18, 2025
Patent Number:
12253155
A gearbox assembly includes a first gear and a second gear. The first gear includes a plurality of first gear teeth. The second gear includes a plurality of second gear teeth. The plurality of first gear teeth and the plurality of second gear teeth mesh with each other as the first gear and the second gear rotate. A profile shape of at least one first gear tooth of the first gear is characterized by a total profile modification between 66 micrometers and 120 micrometers.
Integrated fuel cell and combustor assembly
Granted: March 18, 2025
Patent Number:
12255363
An integrated fuel cell and combustor assembly includes a combustor that is fluidly coupled with at least one upstream compressor that generates compressed air. A fuel cell stack having a cathode and an anode is fluidly coupled to the combustor. The fuel cell stack is configured to receive intake fuel and a portion of the compressed air as intake air, to generate a fuel cell power output using the intake fuel and the intake air, and to direct a fuel and air exhaust from the fuel cell…
Devices and method for a healthcare collaboration space
Granted: March 18, 2025
Patent Number:
12254965
Various systems and devices are provided for facilitating communication in a healthcare setting. In one example, a system for providing medical information can include a processor that, in response to executing machine-readable instructions, can generate a patient dashboard comprising the medical information for a patient and a patient communication thread. The processor can also output the patient dashboard to a display, wherein the patient dashboard further comprises a first link…
Aircraft conflict detection and resolution
Granted: March 18, 2025
Patent Number:
12254778
Methods, apparatus and systems for generating verifiable conflict-free flight plans for aircraft are disclosed. In an embodiment, a server computer receives a set of air traffic flight plans for an airspace that includes elements, and receives at least two of aerodynamic constraint data, business constraint data and operational constraint data for an aircraft. The server computer then generates using a first constraint satisfaction solver, a plurality of candidate flight plans for the…
System to track hot-section flowpath components in assembled condition using high temperature material markers
Granted: March 18, 2025
Patent Number:
12254366
There is provided markers, systems, and methods for creating and utilizing a marker containing identification information. The embodiments include an identifying marker comprised of high temperature material for tracking a component in a high temperature environment. The marker may be disposed on the component such that the marker is subject to high temperatures while affixed to the component. The marker may provide the ability to track a history of the component the marker is attached…
System and method for evaluating blood flow in a vessel
Granted: March 18, 2025
Patent Number:
12251202
A system and method for evaluating blood flow in a vessel of a patient includes a catheter containing a first pressure sensor and a second pressure sensor and configured to simultaneously measure pressure data within a vessel on either side of a stenosis. Pressure data generated by the catheter includes a first series of pressure measurements from the first pressure sensor a second series of pressure measurements from the second pressure sensor. The system and method further includes a…
Method for operating a wind turbine to reduce blade icing
Granted: March 18, 2025
Patent Number:
12253066
A method for operating a wind turbine is disclosed, wherein said wind turbine comprises a rotor having at least one rotor blade with a rotor blade surface and an icing detection device for detecting an icing condition for the rotor blade and/or for detecting the presence of icing on the rotor blade. Further, a controller configured for controlling a rotational speed of the rotor can be provided. The method comprises the steps of monitoring, via the controller and/or via the icing…
Combined cycle propulsion system for hypersonic flight
Granted: March 18, 2025
Patent Number:
12253050
A combined cycle propulsion system for a flight vehicle includes a compressor-fed combustion engine, and a multi-mode supersonic engine. The multi-mode supersonic engine includes an adjustable inlet section, a combustion section arranged downstream of the adjustable inlet section and including a first combustor portion having at least one rotating detonation combustor and a second combustor portion having a supersonic combustion type combustor, and an adjustable exhaust nozzle section…
Hydrogen fuel leak detection system for a vehicle
Granted: March 18, 2025
Patent Number:
12253033
A system for detecting hydrogen leaks within a vehicle includes a hydrogen sensor for generating data indicative of a level of hydrogen present within a compartment of the vehicle and a computing system. The computing system determines at least one of the level of hydrogen present within the compartment or a rate of change of the level of hydrogen present within the compartment and compares the determined at least one of the level of hydrogen present within the compartment or the rate of…
De-ice system and apparatus for turbine engines
Granted: March 18, 2025
Patent Number:
12253025
A turbine engine includes a turbomachine having a compressor section, a combustion section, and a turbine section in serial flow order and together defining a working gas flow path; a thermal system operable with the turbomachine; a heat exchanger in fluid communication with the thermal system; and a plurality of elongated delivery devices in fluid communication with the compressor section of the turbomachine. The plurality of elongated delivery devices are configured to deliver a fluid…
Turbine engine including a gas path component having a hydrophobic coating
Granted: March 18, 2025
Patent Number:
12253023
A turbine engine for an aircraft. The turbine engine includes a combustor and a steam system. Fuel and steam are injected into the combustor to mix with compressed air to generate a fuel and air mixture. The fuel and air mixture is combusted in the combustor to generate combustion gases. The steam system is fluidly coupled to the combustor as the steam source to provide steam to the combustor. The steam system includes a hot gas path and a steam hot gas path component. The hot gas path…
Composite airfoil assembly having a dovetail portion
Granted: March 18, 2025
Patent Number:
12253006
A composite blade assembly for a turbine engine. The composite blade assembly having a core, a first skin and a second skin. The core having a composite structure. The first skin having at least one composite ply. The second skin having at least one composite ply. The first skin having a first radius. The second skin having a second radius.
Rotating airfoil with a spring damper system
Granted: March 18, 2025
Patent Number:
12253005
An airfoil structure including an airfoil and a spring and damper system. The airfoil including a longitudinal axis. The spring and damper system is connected to the airfoil to rotate the airfoil about the longitudinal axis to change airfoil pitch in response to a load applied to the airfoil.
Passive control of gas turbine clearances using ceramic matrix composites inserts
Granted: March 18, 2025
Patent Number:
12252992
A passive clearance control limits thermal expansion between stator components relative to rotor components. A control ring controls clearance in a passive manner and is located on or adjacent to stationary components which thermally expand during engine operation. The control ring is formed of material having low coefficient of thermal expansion such as CMCs (Ceramic Matrix Composites) and therefore limits, inhibits or restrains expansion of the adjacent stator components as…
Systems and methods for thermally processing CMC components
Granted: March 18, 2025
Patent Number:
12252446
Systems and methods for thermally processing composite components are provided. In one exemplary aspect, a system includes a thermal system, a mover device, and a control system. The system also includes a plurality of vessels in which one or more components may be placed. The vessels are similarly shaped and configured. A vessel containing the one or more components therein may be mounted into a chamber defined by the thermal system during thermal processing. The thermal system and…
