Engine component assembly with ceramic matrix composite component and connection pin
Granted: January 14, 2025
Patent Number:
12196100
A turbine engine component assembly includes a first part comprising a ceramic matrix composite material and having a first flange defining a first borehole, a second part defining a second borehole, and a pin inserted, in an axial direction, through the first borehole and the second borehole to connect the first part to the second part. The pin includes a first contact portion positioned at a first axial location of the pin corresponding to the first borehole and an elongated portion…
System and method of producing a computer-generated image of a component part using computed tomography
Granted: January 14, 2025
Patent Number:
12198257
A method of producing a computer-generated image of a component part includes receiving scan data of the component part. The scan data includes a plurality of slices that change direction about a normal vector. The method further includes registering the scan data of the component part and transforming the scan data of the component part into a set of slices arranged in an x-y plane. Further, the method includes aligning the set of slices aligned along the axis along an axis in the x-y…
Heat exchanger having curved fluid passages for a gas turbine engine
Granted: January 14, 2025
Patent Number:
12196502
A heat exchanger for a gas turbine engine includes a heat exchanger body having a first surface and a second surface oriented at least partially at an oblique angle relative to the first surface. The heat exchanger body defines a plenum extending between the first and second surfaces. Furthermore, the heat exchanger body defines a fluid passage extending through the second surface such that the fluid passage is in fluid communication with the plenum. The fluid passage, in turn, includes…
Using a rotor lock plate for redistribution of shaft weight and loads
Granted: January 14, 2025
Patent Number:
12196182
A wind turbine has a main shaft line with a main shaft, a rotor hub, and a rotor lock plate having an opening for receiving a pin, and a nacelle having a bed plate. A multi-part main bearing has a housing, an inner ring, and an outer ring. A pin is moveable between a first, second, and third position, and is retracted from the opening in the first position so that the main shaft line is rotatable. The pin is inserted into the opening in the second position so that the main shaft line is…
Wind turbine setpoint reduction
Granted: January 14, 2025
Patent Number:
12196179
The present disclosure relates to methods for determining a maximum power setpoint for a wind turbine comprising: determining an ambient temperature, determining a temperature of one or more wind turbine components and determining a current power output of the wind turbine. The methods further comprise determining the maximum power setpoint based at least partially on a thermodynamic model of the wind turbine components, the ambient temperature, the temperature of the components of the…
Regenerative fuel heating system
Granted: January 14, 2025
Patent Number:
12196136
Systems and methods for operating systems are provided. For example, a system comprises a heat source for providing a flow of a hot fluid and a fuel flowpath for a flow of a fuel. The fuel flowpath includes a fuel accumulator and a heat exchanger for heat transfer between the hot fluid and fuel. The heat exchanger includes a hot fluid inlet for receipt of the hot fluid at an inlet temperature and a fuel inlet for receipt of the fuel at an inlet temperature. The hot fluid inlet…
Gas turbine engine
Granted: January 14, 2025
Patent Number:
12196131
A gas turbine engine is provided having a turbomachine comprising a compressor section, a combustion section, and a turbine section arranged in serial flow order, the compressor section having a high pressure compressor defining a high pressure compressor exit area (AHPCExit) in square inches and the turbine section having a drive turbine defining a drive turbine exit area (ADTExit) in square inches, the turbomachine further comprising a drive turbine shaft coupled to the drive turbine;…
Compressor with counter-rotating blade rows
Granted: January 14, 2025
Patent Number:
12196129
A compressor section of a gas turbine engine includes an upstream portion and a downstream portion. The upstream portion includes at least one stage of stator vanes and at least one stage of blades configured to rotate about an axial centerline of the compressor section. The at least one stage of stator vanes and the at least one stage of blades are in an alternating arrangement along an axial direction of the gas turbine engine. The downstream portion is disposed immediately adjacent to…
Article for high temperature service
Granted: January 14, 2025
Patent Number:
12196108
An article for high temperature service is presented herein. One embodiment is an article including a substrate having a silicon-bearing ceramic matrix composite; and a layer disposed over the substrate, wherein the layer includes silicon and a dopant, the dopant including aluminum. In another embodiment, the article includes a ceramic matrix composite substrate, wherein the composite includes a silicon-bearing ceramic and a dopant, the dopant including aluminum; a bond coat disposed…
Turbine engine with a blade having woven core and toughened region
Granted: January 14, 2025
Patent Number:
12196107
A turbine engine comprising a compressor section, combustor section, and turbine section in serial flow arrangement, and defining an engine longitudinal axis. The turbine engine includes an airfoil with an outer wall having a pressure side and a suction side, extending between a root and a tip in a span-wise direction, and extending between a leading edge and a trailing edge in a chord-wise direction. The airfoil includes a woven core, a first bonding layer including a toughened region,…
Shroud hanger assembly
Granted: January 14, 2025
Patent Number:
12196099
A shroud hanger assembly is provided for hangers and shrouds defining dimensionally incompatible components such as those which are press or frictionally fit to engage one another. The shroud hanger assembly includes a multi-piece hanger and a shroud that is pinned to the hanger assembly by at least one axially extending pin and which locates the shroud relative to the hanger to control motion in one or both of circumferential (tangential) and radial directions relative to the engine.
Turbine engine with a rotating blade having a fin
Granted: January 14, 2025
Patent Number:
12196087
A blade assembly for a gas turbine engine having an engine casing, with the blade assembly being configured to rotate about a rotational axis. The blade assembly having a blade, and at least one fin. The blade extending between a root and a tip, with the tip being spaced radially from the engine casing to define a space therebetween. The at least one fin extending radially with respect to the tip and into the space.
Repair of a silicon-based bondcoat
Granted: January 14, 2025
Patent Number:
12195405
Methods are provided for repairing a defect on a silicon-containing substrate. The method may include applying a powder mixture into the defect of an existing coating on a surface of the silicon-containing substrate, wherein the powder mixture comprises silicon and germanium at a Ge mole fraction of 0.01 to 0.3; and heat treating the powder mixture within the defect at a sintering temperature that is 1150° C. to 1400° C. to form a repaired bondcoat within the defect. Repaired…
System and method for servicing aircraft engines
Granted: January 14, 2025
Patent Number:
12195202
An apparatus for servicing internal components of an aircraft engine includes a flexible hollow tube; a latching mechanism connected to or incorporated with the flexible hollow tube; and a servicing device to be inserted through the flexible hollow tube. The servicing device is freely moveable through the flexible hollow tube and decoupled from the latching mechanism. The flexible hollow tube is shaped and configured so as to enable proximate positioning of the flexible hollow tube with…
Material supply system and method for using the same
Granted: January 14, 2025
Patent Number:
12194681
A system (100) includes a build area positioned along a working surface (102), an arcuate supply receptacle (110) defining one or more supply receptacle sidewalls (118, 120) and an upwardly-facing receptacle opening (114) spaced apart from the build area along the working surface, an arcuate piston positioned at least partially within the arcuate supply receptacle (110), where the arcuate piston (130), the upwardly-facing receptacle opening, and the one or more supply receptacle…
Deployable inlet assembly for aerial vehicle
Granted: January 7, 2025
Patent Number:
12187449
An aerial vehicle includes a housing, a propulsion system supported within the housing, and an inlet assembly supported by an outer surface of the housing. The inlet assembly includes: at least one fluid channel in fluid communication with the propulsion system; and a first scoop pivotably coupled to the housing and movable between a stowed position and a deployed position. The first scoop is aligned with the housing in the stowed position to prevent air from entering the propulsion…
Nacelle for a wind turbine
Granted: January 7, 2025
Patent Number:
12188454
A nacelle for a wind turbine, the nacelle comprising: a drivetrain with a drivetrain axis, at least two torque arms positioned around the drivetrain axis and attached to a member of the drivetrain, and a frame attached to a yaw bearing. The torque arms of the drive train are supported by the frame and at least one of the torque arms has an orientation deviating at least substantially from being horizontal.
Seal assembly for a rotary machine
Granted: January 7, 2025
Patent Number:
12188358
A seal assembly for a rotary machine. The seal assembly includes a rotor and a stator. The rotor is rotatable about a rotational axis and has a rotor seal face. The stator has a stator seal face. The stator seal face is positioned opposite the rotor seal face and faces the rotor seal face with a gap therebetween. A portion of one of the rotor and the stator is formed of (i) a shape memory alloy or (ii) a first metal and a second metal with the second metal having a coefficient of thermal…
Coated article for hot hydrocarbon fluid and method of preventing fuel thermal degradation deposits
Granted: January 7, 2025
Patent Number:
12188128
A hydrocarbon fluid containment article having a wall with a surface that is wetted by hydrocarbon fluid. The surface includes an anti-coking coating. The anti-coking coating includes a copper salt, a silver salt, or a combination thereof. A gas turbine engine component including a wall having a first surface and an anti-coking coating on the first surface of the wall that is wetted by hydrocarbon fluid. The anti-coking coating including a copper salt, a silver salt, or a combination…
Cleaning solution and methods of cleaning a turbine engine
Granted: January 7, 2025
Patent Number:
12187986
A cleaning solution for a turbine engine includes water; a first organic acidic component that comprises citric acid; a second organic acidic component that comprises glycolic acid; isopropylamine sulphonate; alcohol ethoxylate; triethanol amine; and sodium lauriminodipropionate. The cleaning solution has a pH value between about 2.5 and about 7.0.
