Shroud hanger assembly
Granted: January 23, 2024
Patent Number:
11879349
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.
Oil scavenge system for a gearbox
Granted: January 23, 2024
Patent Number:
11879541
A gearbox including a gear and a gutter. The gear is rotatable about a rotational axis in a rotational direction. The gear has a radial direction and an axial direction, and the gear expels oil radially outward when the gear rotates. The gutter is positioned radially outward of the gear in the radial direction of the gear to collect oil expelled by the gear when the gear rotates. The gutter includes an axial surface, a plurality of radial surfaces including a first radial surface and a…
Rotor damping devices for a turbomachine
Granted: January 23, 2024
Patent Number:
11879498
A rotor damping device for a turbomachine is provided. The rotor damping device includes a first fluid damper; and a second damper in communication with the first fluid damper, the second damper comprising a wire mesh, wherein the first fluid damper is transitionable between a working condition and an interruption condition, and wherein, during the interruption condition, the wire mesh of the second damper dampens vibration of the turbomachine.
Method for operating a wind turbine, and a power plant
Granted: January 23, 2024
Patent Number:
11879433
A method (1000-1001) for operating a wind turbine (100) including a rotor (106) having rotor blades (108) and a power conversion system (118, 210, 234) mechanically connected with the rotor (106), configured to convert input motive power into electrical output power, and electrically connected to a network (242) for feeding the electrical output power (P) to the network is provided. The method includes determining (1100) a current frequency (f) of the network (242), and, when the current…
System and method for mitigating bowed rotor in a gas turbine engine
Granted: January 23, 2024
Patent Number:
11879411
A gas turbine engine includes a casing, a rotor assembly rotatably mounted within the casing, the rotor assembly comprising a forward rotor portion defining a forward rotor cavity and an aft rotor portion defining an aft rotor cavity, the aft rotor cavity being fluidly isolated from the forward rotor cavity, and a cooling system. The cooling system includes a forward cooling fluid supply, a forward supply line providing fluid communication between the forward cooling fluid supply and the…
Gas supply system
Granted: January 23, 2024
Patent Number:
11879392
A gas supply system is provided herein. The gas supply system includes a fuel oxygen reduction unit having a circuit defining a gas flowpath for a flow of a stripping gas. A reservoir is in selective fluid communication with the fuel oxygen reduction unit and is configured to store a portion of the stripping gas from the circuit. The reservoir is further configured to be in selective fluid communication with the fuel system component when installed in a vehicle to provide the stored…
Fabricated CMC nozzle assemblies for gas turbine engines
Granted: January 23, 2024
Patent Number:
11879360
Nozzle segment assemblies for gas turbine engines include an outer band, inner band, and at least one airfoil body between the outer band and inner band. The airfoil body includes an outer end extending through the outer band and having an outer end reinforced wall portion engaging with the outer band and an inner end extending through the inner band and having an inner end reinforced wall portion engaging with the inner band. A thickness of the outer end and inner end reinforced wall…
Turbomachine cooling trench
Granted: January 23, 2024
Patent Number:
11879356
A component for a gas turbine engine. The component includes a body. The body has an exterior surface abutting a flowpath for the flow of a hot combustion gas through the gas turbine engine. Further, the body defines a cooling passageway within the body to supply cool air to the component. The component includes a leading face and a trailing face defining a trench therebetween on the exterior surface. The body defines a plurality of cooling holes extending between the cooling passageway…
Airfoil assembly with an internal reinforcement structure
Granted: January 23, 2024
Patent Number:
11879355
An airfoil assembly and a method of manufacturing the same are provided, the airfoil assembly defining a span axis, a root end, and a tip end. The airfoil assembly includes a reinforcement structure comprising a first helical support structure wrapped around the span axis between the root end and the tip end and a second helical support structure wrapped around the span axis between the root end and the tip end; a polymeric matrix material positioned at least partially around the…
Rotor blade with frangible spar for a gas turbine engine
Granted: January 23, 2024
Patent Number:
11879354
A rotor blade for a gas turbine engine is provided. The rotor blade includes a blade body formed of a first material; and a spar within a portion of the blade body, the spar formed of a second material that is different than the first material, the spar having an elongate body including a notch. The notch, weakened geometric feature, or other reduction in cross-section defines a frangible portion of the spar that is used to control a fracture of a rotor blade.
Systems and methods of servicing equipment
Granted: January 16, 2024
Patent Number:
11874653
A method of servicing equipment, the method comprising: recording information associated with servicing of the equipment in view of a workscope at a first location; sending the recorded information to a node; receiving service input from a third party located at a second location different from the first location, the third party having prepared the service input in response to the recorded information on the node; and performing the service using the received service input.
Hydrogen fuel system for a gas turbine engine
Granted: January 16, 2024
Patent Number:
11873768
A method of operating a fuel management unit for a fuel system. The method including: receiving data indicative of a state of an exhaust assembly using a sensor of the fuel system, the state of the exhaust assembly including a temperature of a working gas flow within the exhaust assembly; determining an amount of a hydrogen fuel in a liquid phase to provide to a hydrogen delivery assembly in response to receiving data indicative of the state of the exhaust assembly; and directing one or…
Gearbox configurations for clockwise and counterclockwise propeller rotation
Granted: January 16, 2024
Patent Number:
11873767
A gear assembly for use with a turbomachine comprises a sun gear, a plurality of planet gears, and a ring gear. The gear assembly is connected to an input shaft and an output shaft. The sun gear is configured to rotate about a longitudinal centerline of the gear assembly, and is driven by the input shaft. A component of the gear assembly drives the output shaft. The gear assembly further comprises an output shaft reversal mechanism configured to reverse the rotational direction of the…
Hazardous gas monitoring system
Granted: January 16, 2024
Patent Number:
11873764
A hazardous gas monitoring system is provided. The hazardous gas monitoring system includes a panel including multiple sensing lines. Each sensing line is configured to receive and monitor an air sample. Each sensing line includes a water separator to remove condensed moisture, a coalescing filter disposed downstream of the water separator, and a flow and gas monitoring system disposed downstream of the coalescing filter. The hazardous gas monitoring system may be used to monitor the…
Integrated stator-fan frame assembly
Granted: January 16, 2024
Patent Number:
11873738
Methods, apparatus, systems, and articles of manufacture are disclosed to implement an integrated stator-fan frame assembly. An integrated fan exit stator-fan frame strut assembly for a gas turbine engine includes a fan exit stator portion having an airfoil including a leading edge and a trailing edge, and a fan frame strut portion including a leading edge and a trailing edge, the leading edge of the fan frame strut portion aerodynamically integrated with the trailing edge of the fan…
Composite component for a gas turbine engine
Granted: January 16, 2024
Patent Number:
11873735
A composite component for a gas turbine engine includes a body including a composite material. Furthermore, the composite component includes a connection feature integrally woven to the body. Additionally, the connection portion includes a composite material. Moreover, the composite material of the body and the composite material of the connection feature include alternating layers of fiber tows integrally woven together.
Component for a turbine engine with a cooling hole
Granted: January 16, 2024
Patent Number:
11873734
An apparatus and method relating to a cooling hole of a component of a turbine engine. The component can include a wall separating the hot gas fluid flow from the cooling fluid flow and having a heated surface along which the hot gas fluid flow flows and a cooled surface facing the cooling fluid flow and at least one cooling hole comprising at least one inlet at the cooled surface, at least one outlet at the heated surface, with the outlet having a modified outlet shape.
System and method for hoisting gas engine assemblies
Granted: January 16, 2024
Patent Number:
11873727
A hoist for lifting at least a portion of a gas engine assembly includes a support member including an upper portion, a lower portion, and a connecting portion extending therebetween. The hoist also includes an elongate member coupled to the lower portion of the support member and extending substantially orthogonally to the lower portion, and at least one bracket slidably engaged with the elongate member and axially translatable along a length of the elongate member. In addition, the…
Fault tolerant hybrid electric propulsion system for an aerial vehicle
Granted: January 16, 2024
Patent Number:
11873110
Hybrid electric propulsion systems includes a combustion engine and an electric motor. The hybrid electric propulsion systems may include or utilize a non-transitory computer-readable medium comprising computer-executable instructions, which when executed by a processor associated with the hybrid electric propulsion system, cause the processor to perform a method that includes determining an occurrence of a thrust asymmetry in the hybrid electric propulsion system, and controlling the…
Accumalator assembly for additive manufacturing
Granted: January 9, 2024
Patent Number:
11865780
An additive manufacturing apparatus includes a feed module and a take-up module that are configured to operably couple with a foil. A stage is configured to hold one or more cured layers of a resin that form a component. A radiant energy device is positioned opposite to the at least one stage. The radiant energy device is operable to generate and project radiant energy in a predetermined pattern. An actuator is configured to change a relative position of the at least one stage and the…
