Active stability control of compression systems utilizing electric machines
Granted: December 17, 2024
Patent Number:
12170500
The present disclosure is directed to turbine engines and systems for active stability control of rotating compression systems utilizing an electric machine operatively coupled thereto. In one exemplary aspect, an electric machine operatively coupled with a compression system, e.g., via a shaft system, is controlled to provide shaft damping for instability fluctuations of the pressurized fluid stream within the compression system. Based on control data indicative of a system state of the…
Systems and methods for efficient detection of hazardous fuel gas leakage within a gas turbine compartment
Granted: December 17, 2024
Patent Number:
12169168
The present application provides a hazardous gas detection system to determine hazardous gas concentrations and/or temperatures within a flow of exhaust air in an exhaust duct of a gas turbine compartment. The hazardous gas detection system may include one or more sensors positioned within or in communication with the exhaust duct and a static mixer positioned upstream of the one or more sensors to promote mixing of the flow of exhaust air.
Combustor for a turbine engine
Granted: December 17, 2024
Patent Number:
12169068
A combustor for a turbine engine. The combustor includes a fuel injector and a fluid injection system in fluid communication with the combustor. The fuel injector includes a mixer assembly with a pilot mixer and a main mixer. The pilot mixer and the main mixer operate during high power operation of the turbine engine. The fluid injection system injects a fluid into the combustor during high power operation of the turbine engine. The fluid is shut off during low power operation of the…
Methods for casting a component via a unitary core-shell mold
Granted: December 17, 2024
Patent Number:
12168309
A method is provided for casting a component. Accordingly, data indicative of at least one location of a unitary core-shell mold which is susceptible to a stress concentration is received. An additive manufacturing process is employed to form the unitary core-shell mold defining a casting cavity. The unitary core-shell mold includes a shell wall defining an outer component shape and a core wall positioned inward of the shell wall. The core wall defines an inner component shape. The core…
Ceramic matrix composite fastener
Granted: December 10, 2024
Patent Number:
12163547
A method of forming a ceramic matrix composite (CMC) fastener, the method comprising: shaping a preform to form a green fastener; applying one or more layers to an outer surface of the green fastener to form a layered green fastener; and finishing the layered green fastener to form the CMC fastener.
Cooling of active elements of electrical machines
Granted: December 10, 2024
Patent Number:
12166403
The present disclosure relates to electrical machines and methods for cooling active elements of electrical machines. More in particular, the present disclosure relates to generators and methods for cooling adjacent active rotor elements and/or adjacent active stator elements of a generator of a wind turbine, e.g. of a direct drive wind turbine. An electrical machine comprises a rotor including a plurality of active rotor elements, a stator including a plurality of active stator…
Assembly methods for armature assemblies and generators
Granted: December 10, 2024
Patent Number:
12166387
A method for assembling a generator rotor carrying permanent magnets defining a magnetic field and a generator stator defining an armature having a plurality of coils includes moving one or both of the generator rotor and the generator stator towards the other of the generator stator and the generator rotor to generate relative movement between the generator rotor and the generator stator. Simultaneously with the relative movement, the coils of the armature are electrically feed such…
Machine learning model training corpus apparatus and method
Granted: December 10, 2024
Patent Number:
12165389
A control circuit accesses three-dimensional image information for a given three-dimensional object. The control circuit accesses a selection corresponding to a feature of the three-dimensional object, and then automatically generates a plurality of synthetic images of the three-dimensional object as a function of the three-dimensional and the selection of the aforementioned feature. By one approach, these synthetic images include supplemental visual emphasis corresponding to the…
Premixer for a combustor
Granted: December 10, 2024
Patent Number:
12163664
A premixer for a combustor includes: a centerbody having a hollow interior cavity; a swirler assembly radially outward of the centerbody; a peripheral wall disposed radially outward of the centerbody and the swirler assembly such that a mixing duct is defined between the peripheral wall and the centerbody, downstream from the swirler assembly; an annular splitter radially inward of the swirler assembly and radially outward of the centerbody such that a radial gap is defined between the…
Varying dilution hole design for combustor liners
Granted: December 10, 2024
Patent Number:
12163660
A combustor for a turbomachine engine includes a combustion chamber, a liner forming a boundary of the combustion chamber, and multiple dilution holes through the liner to permit airflow into the combustion chamber. The dilution holes include converging dilution holes and diverging dilution holes, the converging dilution holes having a converging cross-sectional profile and the diverging dilution holes having a diverging cross-sectional profile.
Ultrasonic beam path determination and targeting
Granted: December 10, 2024
Patent Number:
12161888
The present discussion relates to the delivery of ultrasonic therapy energy to a target region in conjunction with a clear path determination that may assess one or more of: (1) presence of non-soft tissue regions within the therapy beam path (e.g., bone or bone-like structures, gas-filled cavities, and so forth), (2) partial “lift-off” of the probe head; or (3) sufficiency of acoustic coupling. Upon determination or confirmation of at least a partial clear path with respect to some…
Pitch systems for blades of wind turbines and associated methods
Granted: December 10, 2024
Patent Number:
12163505
The present disclosure is related to pitch systems for blades of wind turbines. The pitch system comprises a pitch bearing having a first bearing ring connected to a hub of the wind turbine, and a second bearing ring connected to a blade. The pitch system also includes an annular gear and a pitch drive having a motor, a gearbox, a main brake, and a pinion. In addition, the pitch system includes an auxiliary brake system comprising an auxiliary brake and an auxiliary pinion to engage with…
Leading edge protection for a wind turbine blade
Granted: December 10, 2024
Patent Number:
12163502
A wind turbine blade includes a leading edge protection element attached to the leading edge of the wind turbine blade. The leading edge protection element extends in a longitudinal direction between an outboard end and an inboard end and includes an attachment surface mounted to an exterior surface of the blade, an exterior surface opposite the attachment surface, a first section extending from the leading edge and along a part of the pressure side of the wind turbine blade to a first…
Overall engine efficiency rating for turbomachine engines
Granted: December 10, 2024
Patent Number:
12163478
A turbomachine engine can include a fan assembly, a vane assembly, a core engine, a gearbox, and an overall engine efficiency rating. The fan assembly can include a plurality of fan blades. The vane assembly can include a plurality of vanes, and the vanes can, in some instances, be disposed aft of the fan blades. The core engine can include a low-pressure turbine. The gearbox includes an input and an output. The input of the gearbox is coupled to the low-pressure turbine of the core…
Contamination accumulation modeling
Granted: December 10, 2024
Patent Number:
12163473
A wash optimization system and related methods are provided that increase the efficiency and the effectiveness of engine washes. A system comprising at least one processor receives sensor data representing one or more measured parameters of a turbine engine and determines at least one performance parameter based on the sensor data. The at least one performance parameter represents one or more particulate values associated with the turbine engine. The system generates a health state for…
Composite airfoil assembly having a dovetail
Granted: December 10, 2024
Patent Number:
12163445
A composite airfoil assembly for a turbine engine including an airfoil extending in a radial direction between a root and a tip to define a span length. The airfoil including a composite core and a set of skins overlying the composite core. The set of skins include an outer skin defining at least a portion of an exterior surface of the airfoil. A dovetail extends radially below the root, the dovetail including the composite core and the set of skins, the dovetail further including a fan…
Shroud pin for gas turbine engine shroud
Granted: December 10, 2024
Patent Number:
12163442
A shroud assembly is provided for a gas turbine engine defining an axial direction, a radial direction, and a circumferential direction. The shroud assembly includes: a shroud segment extending substantially along the circumferential direction and including a shroud wall, the shroud wall defining a shroud attachment opening; a hanger assembly including a hanger wall defining a hanger attachment opening; and an attachment pin assembly including a first member defining an interference fit…
Additive manufacturing build units with process gas inertization systems
Granted: December 10, 2024
Patent Number:
12162221
A build unit for additively manufacturing three-dimensional objects may include an energy beam system having one or more irradiation devices respectively configured to direct one or more energy beams onto a region of a powder bed, and an inertization system including an irradiation chamber defining an irradiation plenum, one or more supply manifolds, and a return manifold. The one or more supply manifolds may include a downflow manifold configured to provide a downward flow of a process…
Detecting optical anomalies on optical elements used in an additive manufacturing machine
Granted: December 10, 2024
Patent Number:
12162073
An additive manufacturing machine includes an energy beam system configured to emit an energy beam utilized in an additive manufacturing process, and first and second optical elements utilized by, or defining a portion of, the energy beam system and/or an imaging system of the additive manufacturing machine. The imaging system monitors one or more operating parameters of the additive manufacturing process. A light source is configured to emit an assessment beam that follows an optical…
Additively manufactured interlocking casting core structure with ceramic shell
Granted: December 10, 2024
Patent Number:
12162063
A method of forming a cast component and a method of forming a casting mold. The method is performed by connecting at least one wax gate component to a ceramic core-shell mold. The ceramic core-shell mold includes at least a first core portion, a first shell portion, and a second shell portion, wherein the first shell portion is adapted to interface with at least the second shell portion to form at least one first cavity between the core portion and the first and second shell portions.…
