Methods of control for management of hot fuel
Granted: June 6, 2023
Patent Number:
11668241
A gas turbine engine fuel supply system can include a fuel delivery system, a thermal management system, a fuel manifold, and one or more sensors that identify one or more fuel parameters. A fuel control system adjusts parameters of the fuel based on data received from the sensors.
Receiver unit of a wireless power transfer system
Granted: June 6, 2023
Patent Number:
11670449
A receiver unit of a wireless power transfer system is presented. The receiver unit includes a main receiver coil, a plurality of auxiliary receiver coils disposed about a central axis of the main receiver coil, and a receiver drive subunit. The receiver drive subunit includes a main converter operatively coupled to the main receiver coil and having a main output terminal. The receiver drive subunit may include a plurality of auxiliary converters operatively coupled to the plurality of…
Apparatus, system and method for managing airspace for unmanned aerial vehicles
Granted: June 6, 2023
Patent Number:
11670176
An apparatus, system and method for managing airspace for unmanned aerial vehicles (UAVs). The apparatus, system and method may include a platform comprising at least records of certified administratively acceptable requestors of restricted use of the airspace for UAVs, a plurality of airspace management rules for UAVs, and a broadcaster for providing notifications over at least one telecommunications network; and a plurality of applications, each instantiated by a processor on one of a…
Method of operating a combustor with a variable combustion chamber
Granted: June 6, 2023
Patent Number:
11668462
A method of operating a combustor of a gas turbine, the combustor including a combustor liner that defines a total combustion chamber volume, and has a primary combustion zone defining a primary volume. The combustor liner includes a movable portion that is arranged to be actuated to adjust a percentage of the primary volume with respect to the total combustion chamber volume. The method includes, at a first operating state of the gas turbine, adjusting a size of the primary volume to a…
Airfoil arrangement for a gas turbine engine utilizing a shape memory alloy
Granted: June 6, 2023
Patent Number:
11668317
An airfoil arrangement for a gas turbine engine may include a clearance device using a shape memory alloy movable to provide clearance between an airfoil and one or more other components of the gas turbine engine. The clearance device may be formed as part of a fan blade. The arrangement may be configured to reduce overall weight and dimensions of the gas turbine engine.
Yaw systems and methods
Granted: June 6, 2023
Patent Number:
11668280
The present disclosure relates to methods which comprise receiving a wind direction signal indicative of an instantaneous wind direction at a wind turbine, filtering the wind direction signal to determine a filtered wind direction signal and determining a yaw error signal of the wind turbine indicating a difference between a yaw angle of the wind turbine and the instantaneous wind direction indicated by the filtered wind direction signal. The methods furthermore comprise determining a…
Wind turbine jointed rotor blade having a hollow chord-wise extending pin
Granted: June 6, 2023
Patent Number:
11668277
A rotor blade for a wind turbine includes a first blade segment and a second blade segment extending in opposite directions from a chord-wise joint. Each of the first and second blade segments includes at least one shell member defining an airfoil surface and an internal support structure. The first blade segment includes a beam structure extending lengthwise that structurally connects with the second blade segment via a receiving section. The rotor blade also includes at least one…
Methods for manufacturing an outer skin of a rotor blade
Granted: June 6, 2023
Patent Number:
11668275
A method for manufacturing an outer skin of a rotor blade includes forming an outer skin layer of the outer skin from a first combination of at least one of one or more resins or fiber materials. The method also includes forming an inner skin layer of the outer skin from a second combination of at least one of one or more resins or fiber materials. More specifically, the first and second combinations are different. Further, the method includes arranging the outer and inner skin layers…
Decoupler for engine starter
Granted: June 6, 2023
Patent Number:
11668244
An air turbine starter for starting an engine, comprising a housing defining an inlet, an outlet, and a flow path extending between the inlet and the outlet for communicating a flow of gas there through. A turbine member is journaled within the housing and disposed within the flow path for rotatably extracting mechanical power from the flow of gas and a gear train is drivingly coupled with the turbine member. A drive shaft is operably coupled with the gear train, and a decoupler is…
Fuel injection assembly for a turbomachine
Granted: June 6, 2023
Patent Number:
11668242
Fuel injection assemblies and combustors are provided. A fuel injection assembly includes a fuel injector having a first annular wall that about an axial centerline and extends from a primary inlet disposed at a first end to a primary outlet disposed at a second end. A second annular wall surrounds the first annular wall. A fuel plenum is defined between the first annular wall and the second annular wall. A fuel duct extends from a fuel outlet defined in the second annular wall to a fuel…
System and method for controlling temperature in an air intake
Granted: June 6, 2023
Patent Number:
11668239
A system includes a temperature control system configured to couple to an air intake section of a gas turbine system. The temperature control system includes a variable heating system having one or more heaters configured to heat an airflow in the air intake section when the airflow is cooled by an evaporative cooling system. The temperature control system is configured to control the variable heating system to vary an amount of heat supplied by the one or more heaters based on at least…
Multi-stage inlet particle separator for rotary engines
Granted: June 6, 2023
Patent Number:
11668237
A particle separator system for a turbine engine having an engine inlet. The particle separator system includes an inlet particle separator located within the engine inlet and configured to remove particles from an incoming airflow. The particle separator system also includes a barrier filter located within an enclosure of the turbine engine downstream of the inlet particle separator, the barrier filter being configured to intercept particles not scavenged by the inlet particle…
Acoustic liners with low-frequency sound wave attenuating features
Granted: June 6, 2023
Patent Number:
11668236
An acoustic core includes an array of resonant cells. The array may include a plurality of coupled resonant cells respectively defining an antecedent resonant space and a subsequent resonant space, with at least one cell wall having one or more wall-apertures defining a pathway between the antecedent resonant space and the subsequent resonant space. The array may include a plurality of high-frequency resonant cells respectively defining a high-frequency resonant space and being matched…
Shroud hanger assembly
Granted: June 6, 2023
Patent Number:
11668207
A shroud hanger assembly or shroud assembly is provided for dimensionally incompatible components wherein the assembly includes a multi-piece hanger, for example having a forward hanger portion and a rearward hanger portion. A cavity is formed between the parts; wherein a shroud may be positioned which is formed of a low coefficient of thermal expansion material. The hanger and shroud may be formed of the same material or differing materials in order to better match the thermal growth…
Temperature gradient control system for a compressor casing
Granted: June 6, 2023
Patent Number:
11668206
This application provides a temperature gradient control system for a double wall casing of a compressor. The double wall casing may include an inner casing and an outer casing such that a flow of air is pulled through the double wall casing. The temperature gradient control system may include upper discharge piping with an upper modulation valve and a lower discharge piping with a lower modulation valve. The upper modulation valve and/or the lower modulation valve modulate the flow air…
Compositions for erosion and molten dust resistant environmental barrier coatings
Granted: June 6, 2023
Patent Number:
11667584
Compounds are generally provided, which may be particularly used to form a layer in a coating system. In one embodiment, the compound may have the formula: AxBbLn1-x-bHf1-t-dTitDdMO6, where: A is Al, Ga, In, Sc, Y, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Fe, Cr, Co, Mn, Bi, or a mixture thereof; x is about 0.01 to about 0.99; b is 0 to about 0.5, with 1-x-b being 0 to about 0.99 such that Ln is present in the compound; Ln is a rare earth or a mixture thereof that is…
Powder packing methods and apparatus
Granted: June 6, 2023
Patent Number:
11667095
The present disclosure generally relates to powder packing for additive manufacturing (AM) methods and systems. Conventional powder packing methods are manual and non-standardized, and they result in operator fatigue and potentially product inconsistencies. Powder packing according to the present disclosure improves standardization and reduces turnaround time, with the potential to lower the cost of AM.
Water-based binders and methods of use in additive manufacture of parts
Granted: June 6, 2023
Patent Number:
11667078
A method of manufacturing comprises depositing a layer of a powder on a working surface and selectively depositing a water-based binder solution comprising from 0.1 wt % to 5 wt % of a non-aqueous solvent having a boiling point of greater than 100° C. and less than or equal to 175° C. at 1 atm and a thermoplastic binder comprises a first polymer strand including a first functional group and a second polymer strand including a second functional group into the layer of powder in a…
Neuromodulation techniques
Granted: May 30, 2023
Patent Number:
11660474
The subject matter of the present disclosure generally relates to techniques for applying mechanical or ultrasound energy to a region of interest in a subject to induce modulation of one or more nerve pathways. The region of interest may include at least a portion of a nerve ganglion.
Methods for removing loose particles from an object built by additive manufacturing
Granted: May 30, 2023
Patent Number:
11660817
Methods for removing an object from powder after forming the object in an additive manufacturing apparatus are provided. The method may include: positioning a cover over a build platform with the object being positioned within a powder; removing the build platform from the additive manufacturing apparatus with the cover positioned over the build platform; and thereafter, removing the powder from the build platform to expose the object.
