Preform for making a casing structure for turbine engines
Granted: February 4, 2025
Patent Number:
12215592
A preform for making a casing structure for turbine engines. The preform includes a plurality of reinforcing fiber tows arranged in a two-dimensional weave structure, a three-dimensional weave structure, or a braided structure. The plurality of reinforcing fiber tows include integrally woven or braided fiber tows having a diameter or a density greater than a respective diameter or density of other woven or braided fiber tows in the two-dimensional weave structure, the three-dimensional…
Method of operating a gas turbine combustor comprising injecting a diluent into the primary and secondary combustion zones
Granted: February 4, 2025
Patent Number:
12215870
A gas turbine engine including a compressor section, a combustor for combusting a fuel, and a turbine. Compressed air flows through a combustion liner of the combustor in a bulk airflow direction. The combustor includes a primary fuel nozzle and a secondary fuel nozzle. The secondary fuel nozzle is downstream of the primary fuel nozzle in the bulk airflow direction. The primary fuel nozzle is configured to inject a primary portion of the fuel into a primary combustion zone, and the…
Gas turbine combustor fuel nozzle assembly and combustor liner having dilution holes in arrangements
Granted: February 4, 2025
Patent Number:
12215869
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 combustion chamber, a fuel supply fluidly coupled to the combustion chamber, and a fuel nozzle assembly. The fuel nozzle assembly can include an air flow passage and a fuel flow passage.
System comprising a structure being prone to lightning strikes and icing, a method for operating the system and a wind turbine comprising the system
Granted: February 4, 2025
Patent Number:
12215673
The present disclosure is directed to a system comprising a structure being prone to lightning strikes and icing, wherein the structure comprises a shielding arrangement electrically connected to a lightning arrangement, an electric heating arrangement connected to a power source for mitigating icing of the structure, and an electrical insulation arrangement being effectively provided between the shielding arrangement and the electric heating arrangement. A power source is configured for…
System and method for adjusting reactive power response of one or more wind turbines of a wind farm during a communications fault
Granted: February 4, 2025
Patent Number:
12215670
A method includes receiving, via one or more turbine-level controllers, an indication of at least one of a communication loss between the one or more turbine-level controllers and a farm-level controller, a detection of an absence of reactive power regulation by the farm-level controller, or a reactive power command of the farm-level controller being equal to or above a saturation threshold during transitioning between a baseline operational mode and reactive power mode, the reactive…
Midshaft rating for turbomachine engines
Granted: February 4, 2025
Patent Number:
12215633
A turbomachine engine includes a core engine having one or more compressor sections, one or more turbine sections that includes a power turbine, and a combustion chamber in flow communication with the compressor sections and turbine sections. The turbomachine engine also includes a shaft coupled to the power turbine and characterized by a midshaft rating (MSR) between two hundred (ft/sec)1/2 and three hundred (ft/sec)1/2. In one aspect, the shaft has a redline speed between fifty and two…
Turbine engine including transfer gearbox and accessory gearbox
Granted: February 4, 2025
Patent Number:
12215629
A turbine engine having an engine core that includes a compressor section, a combustion section, and a turbine section. An inner cowl circumscribes the engine core and an outer cowl radially spaced from the inner cowl, circumscribes at least a portion of the inner cowl. A transfer gearbox, at least partially located within an inner cowl space between the engine core and the inner cowl, operably couples to a first accessory device. An accessory gearbox located in the outer cowl operably…
Separators for use with gas turbine engines
Granted: February 4, 2025
Patent Number:
12215627
Separators for use with gas turbine engines are disclosed herein. An example separator disclosed herein includes a first ring including a first surface, a second surface opposite the first surface, and a first opening extending from the first surface to the second surface, a second ring surrounding the first ring, the second ring including a third surface, a fourth surface, and a second opening extending from the first surface to the second surface, and a filter disposed between the…
Component for a turbine engine with a cooling hole
Granted: February 4, 2025
Patent Number:
12215602
A component for a turbine engine comprises a wall having a first wall surface and a second wall surface; and a cooling hole comprising a connecting passage extending between an inlet at the first wall surface and an outlet located at the second wall surface. The connecting passage includes: a metering section extending from the inlet toward the outlet and defining a centerline, and a diffusing section at the outlet defining first and second side walls, a first junction between the first…
Unducted airfoil assembly
Granted: February 4, 2025
Patent Number:
12215596
An unducted airfoil assembly includes an airfoil having spaced-apart pressure and suction sides extending radially in span from a root to a tip, and extending axially in chord between spaced apart leading and trailing edges. The airfoil defines a forward-most axial point and is arranged around a longitudinal axis and rotates about the longitudinal axis in a rotational direction. A tip leading edge of the airfoil is circumferentially offset in a direction opposite the rotational direction…
Seal assembly for a gas turbine engine
Granted: February 4, 2025
Patent Number:
12215588
A turbine engine includes a rotor, a stator, and a seal assembly disposed between the rotor and the stator. The seal assembly includes seal segment. The seal segment includes a seal face that is configured to form a fluid bearing with the rotor. A lift channel extends within the seal segment from an opening on the seal face. The turbine engine further includes a spring assembly disposed within the lift channel. The spring assembly including a biasing element and a piston element coupled…
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…
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…
Apparatus for and a method of deicing a ducted fan engine
Granted: February 4, 2025
Patent Number:
12214903
A ducted fan engine is deiced using a ground support deicing apparatus having a support structure, a plurality of sonic wave transmitters, an imaging device, and a controller that controls the sonic wave transmitters to emit sonic waves at varying frequencies. A deicing program causes the controller to control (a) providing imaging signals to obtain image data from imaging sensors, (b) receiving image data provided by each of the imaging sensors, and generates images of at least one…
Engine backbone bending reduction
Granted: February 4, 2025
Patent Number:
12214891
Methods, apparatus, systems and articles of manufacture are disclosed. An apparatus for mounting a gas turbine engine to a pylon includes: a thrust link coupled to the gas turbine engine and an aft mount, the gas turbine engine coupled to the pylon via a forward mount and the aft mount, a bending restraint having a first end and a second end, the bending restraint including an actuator positioned at the first end to apply a force to a fan section of the gas turbine engine, a first joint…
Ultrasound transducer array with separated acoustic and electric module
Granted: January 28, 2025
Patent Number:
12207970
Systems are provided for the arrangement of decoupled electric and acoustic modules for a transducer array of an ultrasound probe. In one embodiment, the decoupled modules are independently coupled to a flex interconnect, apart from one another, allowing for electric communication between all modules through the flex interconnect. As one example, an ultrasound transducer array for an ultrasound probe comprises an acoustic backing, a flex interconnect coupled to the backing at a first…
Superconducting generator including vacuum vessel made of magnetic material
Granted: January 28, 2025
Patent Number:
12212212
A superconducting generator including an armature configured to be rotated via a shaft and a stationary field disposed concentric to and radially outward from the armature. The stationary field including a superconducting field winding and a vacuum vessel having an inner wall of one of a non-magnetic material or a paramagnetic material facing the armature, an opposed outer wall of a ferromagnetic material and a plurality of sidewalls coupling the inner wall and the opposed outer wall.…
Heat exchangers having a three-dimensional lattice structure
Granted: January 28, 2025
Patent Number:
12209822
A heat exchanger may include a three-dimensional lattice of integrally formed unit cells, a first furcated-pathway baffle integrally formed among the three-dimensional lattice, and/or a second furcated-pathway baffle integrally formed among the three-dimensional lattice. The three-dimensional lattice of integrally formed unit cells may include an interior pathway-cell surface contiguously defining a first furcated fluid domain, and an exterior pathway-cell surface contiguously defining a…
Heat exchanger including furcating unit cells
Granted: January 28, 2025
Patent Number:
12209813
A heat exchanger is provided that can include furcating unit cells coupled with each other. Each of the unit cells can be elongated along an axis and include a sidewall that defines annular ring openings on opposite ends of the unit cell along the axis. The sidewall also can define undulating annular rings between the annular ring openings and axially separated from each other along the axis. The sidewall can further define angled openings into the unit cell both above and below each of…
Thrust bearings to support axial thrust in pumps
Granted: January 28, 2025
Patent Number:
12209507
Apparatus, systems, and articles of manufacture are disclosed to dynamically support axial thrust in pumps. An example apparatus disclosed herein includes a first thrust pad, a second thrust pad, and a thrust disc between the first thrust pad and the second thrust pad, the thrust disc including a first side adjacent to the first thrust pad. a second side adjacent to the second thrust pad, an outer surface, a first channel extending between the outer surface to the first side, and a…
