Hybrid measurement and simulation based distortion compensation system for additive manufacturing processes
Granted: July 23, 2024
Patent Number:
12045549
A compensation field indicating an amount of distortion compensation to be applied across at least a portion of a component is determined, and a nominal computer-aided design (CAD) model of a component is modified based on the compensation field. The amount of distortion compensation corresponds to a multiplication product of: (i) a deviation between the nominal CAD model and a physical representation of the component having been produced based on the nominal CAD model, and (ii) a…
System and method for controlling wind farm operation during a weak grid condition
Granted: July 23, 2024
Patent Number:
12044213
A method for controlling wind farm operation during a weak grid condition includes determining when a threshold number of the plurality of wind turbines have tripped based on the received one or more inputs. Furthermore, the method includes determining a sampled power output of the wind farm based on received sensor data after it is determined that the threshold number of the plurality of wind turbines have tripped. Additionally, the method includes controlling the operation of the one…
Methods and systems for determining roughness of wind turbine blades and wind turbine control
Granted: July 23, 2024
Patent Number:
12044207
The present disclosure relates to methods (100, 200) for controlling and operating wind turbines (10). More particularly, the present disclosure relates to methods and systems for determining a surface condition of one or more wind turbine blades (22) of a wind turbine (10). a method comprises rotating the wind turbine rotor (18) under the influence of a wind in predetermined rotation conditions, wherein the predetermined rotation conditions include at least a predetermined pitch angle…
Wind turbine and a method for locating an event corresponding to a failure of a heating element at a wind turbine blade
Granted: July 23, 2024
Patent Number:
12044206
A wind turbine and a method for locating an event corresponding to a failure of a heating element at a wind turbine blade, the heating element comprising an electric resistive material configured to generate heat using electrical power, the method comprising: —providing a location of an event corresponding to a failure of a heating element, wherein the heating element is in an Ohmic contact with a reference potential; —applying a voltage impulse to the heating element relative to the…
Propulsion system architecture
Granted: July 23, 2024
Patent Number:
12044194
A propulsion system, the propulsion system comprising a rotating element, a stationary element, and an inlet between the rotating element and the stationary element, wherein the inlet passes radially inward of the stationary element; wherein the inlet passes radially inward of the stationary element; wherein the inlet leads to an inlet duct containing a ducted fan having an axis of rotation and a plurality of blades; and wherein the inlet duct divides into a first duct and a second duct,…
Shaft power transfer for a multi spool gas turbine engine
Granted: July 23, 2024
Patent Number:
12044182
A shaft power transfer system includes a first mechanical clutch mechanism operably coupling a high-pressure shaft to a low-pressure shaft. The first mechanical clutch mechanism transfers power from the high-pressure shaft to the low-pressure shaft at a predefined first speed transient condition. The system further includes a second mechanical clutch mechanism that operably couples the low-pressure shaft to the high-pressure shaft. The second mechanical clutch mechanism transfers power…
Air guide for a gas turbine engine
Granted: July 23, 2024
Patent Number:
12044172
A gas turbine engine that defines a radial direction and axial direction. The gas turbine engine includes a compressor section that includes a high pressure compressor. The high pressure compressor includes an aft-most compressor stage. The aft-most compressor stage includes a rotor, a low pressure shaft, a high pressure shaft drivingly coupled to the high pressure compressor. The high pressure shaft includes a central spool member and a forward spool member. The forward spool member…
Closed-loop cooling system for a gas turbine engine
Granted: July 23, 2024
Patent Number:
12044170
A closed-loop cooling system for a gas turbine engine, comprising: a pump having a pump inlet and a pump outlet; a first plurality of stator vanes defining first cooling cavities therein; and a second plurality of stator vanes, defining second cooling cavities therein, wherein the pump drives a working fluid from the pump outlet, through the first cooling cavities of the first plurality of stator vanes, through the cooling cavities of the second plurality of stator vanes and back to the…
Hybrid renewable power generation control
Granted: July 16, 2024
Patent Number:
12040623
The example embodiments are directed to a system and method for dynamically controlling classes of assets in a hybrid generation power plant. In one example, the system may include a plurality of classes of power assets with at least one class comprising a non-renewable power source and at least one class comprising a renewable power source, and a power controller configured to manage a class of power assets from among the plurality of classes, the power controller including a…
Cooling a stator housing of an electric machine
Granted: July 16, 2024
Patent Number:
12040690
An electric motor may include a stator assembly comprising a stator housing, and one or more rotors coupled to the stator by a rotor shaft assembly. The stator housing may include a cooling structure that has a plurality of cooling body portions and a plurality of cooling conduits defined by the plurality of cooling body portions. A method of forming a stator housing for an electric machine may include additively manufacturing a stator housing that includes a cooling structure defining a…
Systems and method of operating a fuel cell assembly
Granted: July 16, 2024
Patent Number:
12037124
A method for operating a propulsion system for an aircraft, the propulsion system including a gas turbine engine and a fuel cell assembly, the fuel cell assembly comprising a fuel cell stack having a fuel cell defining an outlet positioned to remove output products from the fuel cell during operation, the method including: executing a startup sequence for the gas turbine engine, wherein executing the startup sequence comprises initiating the startup sequence for the gas turbine engine;…
Noise tolerant electrical discharge detection
Granted: July 16, 2024
Patent Number:
12038467
Partial discharge detection techniques are provided. In one aspect, a method of detecting partial discharge in an electrical power system having a power electronics converter is provided. A first current signal is captured in response to a first applied voltage. A second current signal is captured in response to a second applied voltage, the second applied voltage being different than the first applied voltage. The first current signal is set as a reference signal. A difference signal is…
Coupling a fuel nozzle purge flow directly to a swirler
Granted: July 16, 2024
Patent Number:
12038176
A swirler assembly includes a swirler having a primary swirler with a primary swirler venturi, a swirler ferrule plate connected upstream to the primary swirler, and a fuel nozzle disposed in the swirler ferrule plate. The swirler ferrule plate has an annular pressure drop cavity with oxidizer inlet orifices in fluid communication with the swirler, and at least one outlet orifice in fluid communication with the primary swirler venturi. A second flow of oxidizer to the swirler incurs a…
Airbreathing propulsion engines including rotating detonation and bluff body systems
Granted: July 16, 2024
Patent Number:
12037962
A high-speed, air-breathing propulsion engine includes an inlet configured to compress incoming air, a fuel injector configured to supply a fuel for mixing with the compressed incoming air to form a fuel-air mixture, and a combustor configured to burn the fuel-air mixture. The combustor includes a rotation detonation combustor system and a bluff body system that cooperate to generate thrust.
Waste heat recovery system
Granted: July 16, 2024
Patent Number:
12037943
A gas turbine engine includes a compressor section, a combustion section, a turbine section, and an exhaust section in serial flow order and together defining a core air flowpath. The gas turbine engine also includes a turbine rear frame extending through the core air flowpath at a location downstream of the turbine section and defining a leading edge within the core air flowpath. The gas turbine engine also includes a waste heat recovery system operable to separate, at or upstream of…
Composite airfoil assembly for a turbine engine
Granted: July 16, 2024
Patent Number:
12037938
A composite airfoil assembly for a turbine engine. The composite airfoil assembly has an airfoil outer surface defining opposing pressure and suction sides, which extend between a leading edge and a trailing edge. The composite airfoil assembly includes a composite airfoil having a woven core and a skin applied to at least a portion of a core exterior. The composite airfoil assembly also includes a cladding coupled to a skin outer surface where at least one edge or portion of the…
Fan for a turbine engine
Granted: July 16, 2024
Patent Number:
12037921
A fan for a turbine engine having a core air flowpath and a bypass air flowpath. The fan includes a disk, a plurality of fan blades, and a plurality of splitter blades. The disk rotates about a centerline axis. The plurality of fan blades are coupled to the disk. The plurality of splitter blades are coupled to the disk and positioned between the plurality of fan blades. The plurality of splitter blades are axially aligned on the disk at a splitter blade axial distance from an annular…
Electric machine assembly for a turbine engine
Granted: July 16, 2024
Patent Number:
12037913
A turbine engine with a turbine core that includes a compressor section having a compressor coupled to a high speed shaft, a combustion section, a turbine section having a high pressure turbine coupled to the high speed shaft and a low pressure turbine coupled to a low speed shaft, and a nozzle section. The turbine engine also includes an electric machine that can operate in a first starting mode and a second generating mode.
Helicopter hoisting platform
Granted: July 16, 2024
Patent Number:
12037134
The present invention discloses a helicopter hoisting platform for a wind turbine nacelle cover, the helicopter hoisting platform comprising a composite layer and a plurality of metal plates arranged on the outer surface of the composite layer, wherein the plurality of metal plates forms a conductive network electrically connected to a ground connection.
Safety markers for a hydrogen fuel system
Granted: July 16, 2024
Patent Number:
12037128
A hydrogen fuel including a safety marker and a method and apparatus for adding the safety marker to the hydrogen fuel. The hydrogen fuel may be stored in a tank in a liquid phase and then heated to at least one of a gaseous phase and a supercritical phase. The safety marker may be added to the hydrogen fuel when the hydrogen fuel is in the at least one of the gaseous phase and the supercritical phase after heating the hydrogen fuel. The hydrogen fuel may be delivered in the at least one…
