Airfoil assembly with flow surface
Granted: March 26, 2024
Patent Number:
11939880
A turbine engine stage includes a plurality of airfoils extending between an inner band and an outer band. Each airfoil in the plurality of airfoils can have an outer wall defining a pressure side and a suction side, with the outer wall extending between a leading edge and a trailing edge. An intervening flow passage is defined between two adjacent airfoils in the plurality of airfoils.
Selective oxide-forming alloy, coating formed from and machine component including same
Granted: March 26, 2024
Patent Number:
11939648
A selective oxide-forming alloy, a coating formed from, and a machine component including the coating are provided. The selective oxide-forming alloy includes between atomic percent and 26 atomic percent silicon (Si), between 21 atomic percent and 27 atomic percent titanium (Ti), between 30 atomic percent and 39 atomic percent aluminum (Al), between 2 atomic percent and 10 atomic percent hafnium (Hf), and a balance of niobium (Nb).
Engine-mounting links that have an adjustable inclination angle
Granted: March 26, 2024
Patent Number:
11939070
Engine-mounting linkage systems may include a plurality of engine mounting links configured to couple an engine frame to an engine support structure of an aircraft. The plurality of engine-mounting links may include a forward link that is connectable to a forward frame portion of the engine frame and the engine support structure, and an aft link that is connectable to an aft frame portion of the engine frame and the engine support structure. The engine mounting linkage system may include…
Systems and methods of servicing equipment
Granted: March 26, 2024
Patent Number:
11938907
A robotic assembly configured to service an engine, wherein the robotic assembly includes an environmental capture device configured to provide information associated with an environment in which the engine is disposed to one or more computing devices, and wherein the one or more computing devices are configured to use the information to inspect the engine before and after repair operations associated with the service to check for repair equipment, or parts thereof, left in the engine…
Additive manufacturing build units with process gas inertization systems
Granted: March 26, 2024
Patent Number:
11938539
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…
Neuromodulation techniques
Granted: March 26, 2024
Patent Number:
11938348
The subject matter of the present disclosure generally relates to techniques for neuromodulation of a tissue (e.g., an organ) that include applying energy (e.g., ultrasound energy) into the tissue to cause altered activity at a synapse between a neuron and a non-neuronal cell. In one embodiment, the energy is applied to cause competing or opposing effects for bi-directional control of physiological processes.
Wind turbine setpoint reduction
Granted: March 19, 2024
Patent Number:
11933270
The present disclosure relates to methods for determining a maximum power setpoint for a wind turbine comprising determining a temperature of one or more wind turbine components, and determining one or more component temperature errors by determining a difference between the temperatures of the wind turbine components and a corresponding threshold temperature for the components. The methods further comprise determining a present power output of the wind turbine and determining the…
Systems and methods of servicing equipment
Granted: March 19, 2024
Patent Number:
11935290
Systems and methods of servicing engines, an exemplary method of servicing an engine, the method including receiving, by one or more computing devices, information corresponding to one or more components of the engine; determining, by the one or more computing devices, a location of the one or more components of the engine with respect to a location of an augmented reality device; and presenting, in a current field of view display of the augmented reality device, at least a portion of…
Devices, systems, and methods for securely initializing an embedded system
Granted: March 19, 2024
Patent Number:
11934527
A method is disclosed and includes authenticating a first stage boot loader and authenticating a second stage boot loader in response to authentication of the first stage boot loader. The method also includes executing the second stage boot loader in response to authentication of the second stage boot loader. Executing the second stage boot loader includes loading an operating system, a first set of machine-readable instructions, and first configuration information associated with the…
Tapered shafts for fluid pumps
Granted: March 19, 2024
Patent Number:
11933295
Tapered shafts for fluid pumps are disclosed. An example apparatus to pump fluid includes a gear, and a shaft including a taper to define a first portion of the shaft having a first thickness and a second portion of the shaft having a second thickness less than the first thickness, the second portion of the shaft between the gear and the first portion of the shaft.
Hybrid-electric gas turbine engine and method of operating
Granted: March 19, 2024
Patent Number:
11933232
A hybrid-electric gas turbine engine and method of operating includes independently controlling a first electric machine providing torque to a first shaft to maintain a desired clearance between a first set of blades rotatably coupled to the first shaft, and a casing.
Gearbox assembly
Granted: March 19, 2024
Patent Number:
11933228
A gearbox assembly for a turbine engine including a drive shaft and a fan shaft. The gearbox assembly includes a first gear, a second gear, and a planet pin. The first gear is coupled to the drive shaft. The second gear is supported by a planet carrier. The planet carrier is coupled to the fan shaft. Torque is transferred from the drive shaft to the fan shaft through the gearbox assembly. The planet pin is disposed within the second gear. A planet pin shape of the planet pin includes a…
Systems and methods for providing output products to a combustion chamber of a gas turbine engine
Granted: March 19, 2024
Patent Number:
11933216
Systems and methods include a plurality of fuel cell stacks extended around a combustion chamber. The plurality of fuel cell stacks are distributed along a length of the combustion chamber in the axial direction. The fuel cell stacks are configured to provide output products to the combustion chamber to achieve at least one of late lean injection and a desired combustor gas concentration distribution.
Turbine engine with an airfoil having a set of dimples
Granted: March 19, 2024
Patent Number:
11933193
A gas turbine engine comprising a set of circumferentially adjacent airfoils, the airfoils having an outer wall defining a pressure side and a suction side extending between a leading edge and a trailing edge to define a stream-wise direction, and between a root and a tip to define a span-wise direction, and a set of dimples provide on the outer wall of at least one of the airfoils, the set of dimples spaced in at least one of the stream-wise or span-wise directions.
Laminate assembly with embedded conductive alloy elements
Granted: March 19, 2024
Patent Number:
11931986
A laminate assembly includes a matrix layer and elongated, continuous strips of a conductive alloy. The matrix layer has opposite first and second sides connected by opposite first and second edges. Each of the first and second edges extends from the first side of the matrix layer to the opposite second side of the matrix layer. The elongated, continuous strips of the conductive alloy are disposed in the matrix layer between the first and second sides of the matrix layer. The elongated…
Reinforced composite blade and method of making a blade
Granted: March 19, 2024
Patent Number:
11931981
A blade is provided. The blade comprises a plurality of a first composite fiber plies and a plurality of a second composite fiber plies. Ends of the second fiber plies are staggered such that interlock between the first composite fiber plies and the second composite fiber plies is formed in a region where the second composite fiber plies end and meet with the first composite fiber plies. The blades are used for an engine of an aircraft.
System and methods for fabricating a component with laser array
Granted: March 19, 2024
Patent Number:
11931825
An additive manufacturing system includes a laser array including a plurality of laser devices. Each laser device of the plurality of laser devices generates an energy beam for forming a melt pool in a powder bed. The additive manufacturing system further includes at least one optical element. The optical element receives at least one of the energy beams and induces a predetermined power diffusion in the at least one energy beam.
Capacitive leadwire for physiological patient monitoring
Granted: March 19, 2024
Patent Number:
11931177
A leadwire for physiological patient monitoring is provided that transfers potentials received at a chest electrode to a data acquisition device. The leadwire includes an electrode end connectable to the chest electrode and a first conductive layer extending from the electrode end. The leadwire also has a device end connectable to a data acquisition device and a second conductive layer extending from the device end. The first conductive layer is galvanically isolated from the second…
Turbine engine and method of cooling
Granted: March 12, 2024
Patent Number:
11927103
A method of mitigating thermal rotor bow in a rotor assembly of a turbine engine may include performing a plurality of motoring cycles. The plurality of motoring cycles may include receiving feedback on a temperature within a turbine engine in a post-shutdown state, actuating a starter motor when the temperature is greater than a predetermined threshold, operating the starter motor for a motoring time to exhaust some residual heat from the turbine engine, and shutting down the starter…
Component for a turbine engine with a cooling hole
Granted: March 12, 2024
Patent Number:
11927110
An apparatus and method relating to a cooling hole of a component of a turbine engine. The cooling hole can extend from an inlet to an outlet to define a connecting passage. The cooling hole can contain a diffusing section. The diffusing section can be defined by an interior surface having variable geometries.
