Method for operating a wind turbine and a wind turbine
Granted: February 18, 2025
Patent Number:
12228109
A method (1000, 2000, 3000) for operating a wind turbine (100-100d) is disclosed. The wind turbine includes a power conversion system (114, 118, 210, 234, 410, 420, 430) configured to provide electrical output power (P) to a grid (242), and an air-cooling system (450) configured, in a cooling mode, to cool an ambient air (28a) and provide the cooled ambient air as a cooling air (28c) to the power conversion system (114, 118, 210, 234, 410, 420, 430). The method (1000, 2000, 3000)…
Methods for controlling actuating components of turbine engines using an adaptive damping filter
Granted: February 18, 2025
Patent Number:
12228084
Methods for controlling actuating components of turbine engines using an adaptive damping lag filter are provided. The adaptive filter includes features that filter out insignificant changes in actuator demand, respond to fast transient conditions to follow demanded positon of the actuating component more closely, and adapts the gain of the output position to avoid stall conditions.
Integral engine inlet frame air-cooled oil cooling apparatus
Granted: February 18, 2025
Patent Number:
12228075
Example systems and methods for integrating an air-cooled oil cooler into an inlet frame of an engine are provided. An example gas turbine engine comprises an inlet frame including an inlet plenum at a first end of an inlet frame flow path, the inlet frame defining an airflow entrance to a compressor; the compressor to provide an airflow through the inlet frame; a pump to circulate a fluid; a plurality of struts supporting the inlet frame flow path; and a fluid core connected to the pump…
Lubrication system for a turbine engine
Granted: February 18, 2025
Patent Number:
12228042
A lubrication system for a turbine engine having a longitudinal centerline axis and one or more rotating components. The lubrication system includes a primary lubrication system that supplies lubricant to the one or more rotating components during normal operation of the turbine engine. The lubrication system also includes an auxiliary lubrication system. The auxiliary lubrication system includes an auxiliary reservoir and a lubricant dispersion device. The auxiliary reservoir stores the…
Turbomachinery engines with high-speed low-pressure turbines
Granted: February 11, 2025
Patent Number:
12221930
A turbomachinery engine includes a fan assembly, a low-pressure turbine, and a gearbox. The fan assembly includes a plurality of fan blades. The low-pressure turbine includes 3-5 rotating stages. The low-pressure turbine includes an area ratio equal to the annular exit area of an aft-most rotating stage of the low-pressure turbine divided by the annular exit area of a forward-most rotating stage of the low-pressure turbine. In some instances, the area ratio is within a range of 3.1-5.1.
Electric arc-blast nozzle with improved mechanical strength and a circuit breaker including such a nozzle
Granted: February 11, 2025
Patent Number:
12224137
Provided herein is an electric arc-blast nozzle for a circuit breaker comprising a median part internally defining an axial electric arc cut-off passage and formed with a first dielectric material, first and second end parts formed with the first dielectric material and extending on either side of the median part and being intended to receive first and second arc contacts being axially moveable in relation to each other. The nozzle further comprises a sheath that is disposed on the…
Monitoring, predicting and alerting for census periods in medical inpatient units
Granted: February 11, 2025
Patent Number:
12224058
Systems and techniques for monitoring, predicting and/or alerting for census periods in medical inpatient units are presented. A system can include a grouping component that defines a group of beds at a medical facility based on at least one grouping factor, and a group stability component that determines a measure of occupancy variability for the group based on historical census data for respective beds in the group. The system can further include a model selection component that…
System and methods for generating fault indications for an additive manufacturing process based on a probabilistic comparison of the outputs of multiple process models to measured sensor data
Granted: February 11, 2025
Patent Number:
12222838
Generating fault indications for an additive manufacturing machine based on a comparison of the outputs of multiple process models to measured sensor data. The method receiving sensor data from the additive manufacturing machine during manufacture of at least one part. Models are selected from a model database, each model generating expected sensor values for a defined condition. Difference values are computed between the received sensor data and an output of each of the models. A…
Turbine engine combustor and combustor liner
Granted: February 11, 2025
Patent Number:
12222104
A turbine engine can include a compressor section, a combustion section, and a turbine section in serial flow arrangement. A combustor in the combustion section can include a combustor liner at least partially defining a combustion chamber. The combustor liner can include at least one aperture fluidly coupled to the combustion chamber.
Gas turbine engine with variable pitch inlet pre-swirl features
Granted: February 11, 2025
Patent Number:
12221980
A gas turbine engine includes a fan having a plurality of fan blades, a turbomachine operably coupled to the fan for driving the fan, the turbomachine including a compressor section, a combustion section, and a turbine section in serial flow order and together defining a core air flowpath, a nacelle surrounding and at least partially enclosing the fan, the nacelle defining a longitudinal axis, and an inlet pre-swirl feature located upstream of the plurality of fan blades, the inlet…
Multi-temperature fuel injectors for a gas turbine engine
Granted: February 11, 2025
Patent Number:
12221926
A gas turbine engine including a combustor, a plurality of fuel nozzles, and at least one fuel manifold. The combustor includes a combustion chamber. The plurality of fuel injects fuel into the combustion chamber of the combustor. The gas turbine engine may include a first fuel circuit and a second fuel circuit. The first fuel circuit includes a first fuel manifold fluidly connected to at least one fuel nozzle of the plurality of fuel nozzles to distribute the fuel to the at least one…
Turbine engine including a steam system
Granted: February 11, 2025
Patent Number:
12221905
A turbine engine for an aircraft. The turbine engine includes a fan, a combustor in a core air flowpath that generates combustion gases, a core shaft, a turbine that receives the combustion gases to rotate the turbine, and a steam system. The steam system extracts water from the combustion gases, vaporizes the water to generate steam, and injects the steam into the core air flowpath. The steam system includes one or more water storage devices that store the water therein. The one or more…
Methods and apparatuses for blade locking
Granted: February 11, 2025
Patent Number:
12221899
A lock lug for inhibiting movement of a plurality of rotor blades includes a body and an engagement mechanism. The body is sized and configured to be received within the rim slot of the rotor disk and defines a dovetail receiving aperture. The engagement mechanism extends from the body and has a retracted configuration configured to allow entry and exit of a dovetail of at least one or more of the plurality of rotor blades into and out of the dovetail receiving aperture and an extended…
Turbine incorporating splitters
Granted: February 11, 2025
Patent Number:
12221898
A turbomachinery apparatus (10) includes: a turbine (22), including: a turbine component (36) defining at least one arcuate flowpath surface (40); an array of axial-flow turbine airfoils (46) extending from the flowpath surface, the turbine airfoils defining spaces therebetween; and a plurality of splitter airfoils (146) extending from the at least one flowpath surface, in the spaces between the turbine airfoils, each splitter airfoil having opposed pressure and suction sides extending…
Compressor with anti-ice inlet
Granted: February 11, 2025
Patent Number:
12221894
A compressor comprises a rotor shaft including a forward end portion. The forward end portion defines an outer surface. A first row of compressor rotor blades is coupled to the rotor shaft downstream from the forward end portion. An outer casing at least partially surrounds the first row of compressor rotor blades and the outer surface of the forward end portion of the rotor shaft. The outer casing at least partially defines an inlet to the compressor. An inlet guide vane comprises a…
Compliant shroud designs with variable stiffness
Granted: February 11, 2025
Patent Number:
12221892
Methods, apparatus, systems and articles of manufacture are disclosed. A shroud assembly of a gas turbine engine includes: a first shroud arm having a first end and a second end, the first end to couple to an outer wall and the second end to couple to a first shroud pad, and a second shroud arm having a first end and a second end, the first end to couple to the outer wall and the second end to couple to a second shroud pad, at least one of the first shroud pad or the second shroud pad to…
Water-based binder solutions for use in additive manufacturing processes
Granted: February 11, 2025
Patent Number:
12221553
A water-based binder solution comprises a thermoplastic binder, greater than or equal to 4 wt % to less than or equal to 20 wt % of a non-aqueous solvent having a boiling point greater than or equal to 100° C. and less than or equal to 175° C., and water. The thermoplastic binder comprises a first polymer strand having a weight average molecular weight (Mw) of from 5,000 g/mol to 15,000 g/mol; and at least one of a second polymer strand having a weight average molecular weight (Mw) of…
Systems and methods for controlling motion of detectors having moving detector heads
Granted: February 11, 2025
Patent Number:
12220271
Systems and methods for controlling motion of detectors having moving detector heads are provided. One system includes a gantry and a plurality of detector units mounted to the gantry, wherein the plurality of detector units are individually movable including translational movement and rotational movement. The system further includes a controller configured to control movement of the plurality of detector units to acquire Single Photon Emission Computed Tomography (SPECT) data, wherein…
Coating systems including infiltration coatings and reactive phase spray formulation coatings
Granted: February 4, 2025
Patent Number:
12215428
A coating system configured to be applied to a thermal barrier coating of an article includes an infiltration coating configured to be applied to the thermal barrier coating. The infiltration coating infiltrates at least some pores of the thermal barrier coating. The infiltration coating decomposes within at least some pores of the thermal barrier coating to coat a portion of the at least some pores of the thermal barrier coating. The infiltration coating reduces a porosity of the…
Seal support assembly for a turbine engine
Granted: February 4, 2025
Patent Number:
12215587
A turbine engine is provided. The turbine engine defines a radial direction and includes: a rotor; a stator comprising a carrier; a seal assembly disposed between the rotor and the stator, the seal assembly comprising a first seal segment, the seal segment having a seal face configured to form a fluid bearing with the rotor; and a seal support assembly, the seal support assembly comprising a prestressed spring assembly extending from the seal segment for biasing the seal segment along…
