Methods, apparatuses, and storage media to track engine components
Granted: March 4, 2025
Patent Number:
12243358
Methods, apparatuses, systems, and storage media to track engine components are disclosed. An example apparatus includes a memory; instructions in the apparatus; and processor circuitry to in response to a notification that an engine is undergoing maintenance or in operation, identify an entry in a database that corresponds to the engine, the engine including a module; update historical data corresponding to the module based on the notification; and determine whether the module of the…
Aircraft gas turbine engine with heated fuel to assist combustion
Granted: March 4, 2025
Patent Number:
12240624
An aircraft gas turbine includes a combustor that combusts compressed air and at least one fuel flow from at least one fuel source to generate combustion gases. A fuel supply system is arranged to provide at least one of a first flow of fuel to the combustor via a first fuel supply line and a second flow of a heated fuel to the combustor via a second fuel supply line. A fuel heat exchanger is arranged within the fuel supply system to generate the heated fuel that is heated above an…
System and method for automated movement of a robotic arm
Granted: March 4, 2025
Patent Number:
12240130
A positioning system is provided for insertions and placements with increased accuracy and precision for the placement and insertion of components into elements. The system may utilize one or more sensors to provide individual images or data for each individual insertion of components into elements. The system may use known information to compare the individual images or data to provide increased accuracy and precision for insertion of components into elements.
Clearance design process and strategy with CCA-ACC optimization for EGT and performance improvement
Granted: February 25, 2025
Patent Number:
12234736
Methods, apparatus, systems and articles of manufacture are disclosed to illustrate a clearance design process and strategy with CCA-ACC optimization for exhaust gas temperature (EGT) and performance improvement. In some examples, an apparatus includes a case surrounding at least part of a turbine engine, the at least part of the turbine engine including a turbine or a compressor. The apparatus further includes a first source to obtain external air; a second source to obtain cooled…
Temperature control mechanism for an electrical component
Granted: February 25, 2025
Patent Number:
12237488
A temperature control mechanism for an electrical component having a plurality of cells each defining a longitudinal axis is provided. The temperature control mechanism includes a plurality of temperature control portions that respectively surround the plurality of cells, each of the plurality of temperature control portions respectively extend along the longitudinal axis of the plurality of cells in a first direction from a cell first side to a cell second side, wherein the plurality of…
Liner assembly for a combustor
Granted: February 25, 2025
Patent Number:
12234987
A liner assembly for a combustor. The liner assembly includes a liner defining a combustion chamber of the combustor. The liner includes a looped section at a forward end of the liner. The looped section includes one or more bends such that the looped section forms a compliant joint and vibrations are dampened through the liner downstream of the looped section.
Flow-metering fuel systems and related methods
Granted: February 25, 2025
Patent Number:
12234778
Flow-metering fuel systems and related methods are disclosed. An example apparatus includes a pipe defining a flow path for fuel, the pipe fluidly coupled to a combustor, a first portion of the pipe having a first cross-sectional area, a second portion of the pipe having a second cross-sectional area smaller than the first cross-sectional area, the second portion downstream of the first portion, and an actuator to adjust a flow rate of the fuel in the pipe based on a first pressure of…
Gas turbine engine having outlet guide vanes
Granted: February 25, 2025
Patent Number:
12234748
A gas turbine engine is provided having a plurality of outlet guide vanes, each defining an internal thermal fluid passageway. The engine defining an Outlet Guide Vane Cooling Capacity greater than 0.01 and less than 13, wherein OGVCC equals: [ HTSA OGV × BPR ( BPR + 1 ) × C a ? i ? r × ( T i ? n ? l ? e ? t - T a ? i ? r ) × v f ? l ? i ? g ? h ? t × D f ? a ? n F ? n T ? o ? t ? a ? l × v tip ? speed × ? ? H ] 1 / 3 , …
Variable pitch airfoil
Granted: February 25, 2025
Patent Number:
12234745
An airfoil assembly for a turbine engine, the airfoil assembly including a platform defining an inner surface and an outer surface, a variable pitch airfoil extending radially from the outer surface of the platform from a root to a tip to define a span length and a mounting structure connected to the platform.
Partition damper seal configurations for segmented internal cooling hardware
Granted: February 25, 2025
Patent Number:
12234742
Partition damper seal configurations for segmented internal cooling hardware apparatus are disclosed. An example airfoil includes an outer wall having a first rib spaced apart from a second rib on a surface of the outer wall, and an inner wall surrounded by the outer wall, the inner wall having a third rib protruding from the inner wall towards the surface of the outer wall, an end of the third rib detachably coupled to a portion of the surface of the outer wall, the portion of the…
Printing assemblies and methods for using the same
Granted: February 25, 2025
Patent Number:
12233643
An apparatus includes a printing head (154) comprising jet nozzles (158) spaced apart from one another, where a distance from a first jet nozzle to a second jet nozzle positioned adjacent the first jet nozzle defines a jet-spacing, a printing head position control assembly includes a first actuator assembly (102) to move the printing head along the longitudinal axis and a second actuator assembly (103) to move the printing head along a latitudinal axis, and an control unit…
Powder removal assemblies and methods of removing unbound particles using powder removal assemblies
Granted: February 25, 2025
Patent Number:
12233458
A powder removal assembly for removing powder from a part produced by additive manufacturing, including a process chamber including an outlet, a powder removal device coupled to the process chamber and configured to remove particles from the process chamber, a particle sensor coupled to the outlet, the particle sensor being configured to monitor an amount of particles passing through the outlet as a function of time, and a control system communicatively coupled to the particle sensor and…
Method and apparatus for layer thickness control in additive manufacturing
Granted: February 18, 2025
Patent Number:
12226960
An additive manufacturing apparatus is disclosed. The apparatus includes a build surface, at least a portion of which is transparent. The apparatus includes a first material depositor operable to deposit a curable resin to form a deposited resin layer on the build surface. A first sensing device is configured to measure the thickness of the deposited resin layer; and wherein the at least one sensing device is configured to generate a signal indicative of the thickness of the deposited…
Combustion section with a primary combustion chamber and a secondary combustion chamber
Granted: February 18, 2025
Patent Number:
12228286
A combustion section of a turbine engine having a primary combustion chamber and a secondary combustion chamber. The primary combustion chamber is defined, at least in part, by a combustor liner and a dome wall. A primary fuel nozzle having an outlet is located at the dome wall, wherein the outlet of the primary fuel nozzle is fluidly coupled with the primary combustion chamber. At least one opening located in an outer liner axially aft of the dome wall fluidly couples the secondary…
Gas turbine fuel nozzle having an inner air passage and plural outer fuel passages
Granted: February 18, 2025
Patent Number:
12228282
An engine can utilize a combustor to combust fuel to drive the engine. A fuel nozzle assembly can supply fuel to the combustor for combustion or ignition of the fuel. The fuel nozzle assembly can include a swirler and a fuel nozzle to supply a mixture of fuel and air for combustion. The fuel nozzle can include both a primary and secondary fuel passage, and an additional air passage to provide for greater flame control, fuel provision, or local fuel and air mixing prior to combustion.
Integral engine inlet frame air-cooled oil cooling apparatus
Granted: February 18, 2025
Patent Number:
12228075
Example systems and methods for integrating an air-cooled oil cooler into an inlet frame of an engine are provided. An example gas turbine engine comprises an inlet frame including an inlet plenum at a first end of an inlet frame flow path, the inlet frame defining an airflow entrance to a compressor; the compressor to provide an airflow through the inlet frame; a pump to circulate a fluid; a plurality of struts supporting the inlet frame flow path; and a fluid core connected to the pump…
Lubrication system for a turbine engine
Granted: February 18, 2025
Patent Number:
12228042
A lubrication system for a turbine engine having a longitudinal centerline axis and one or more rotating components. The lubrication system includes a primary lubrication system that supplies lubricant to the one or more rotating components during normal operation of the turbine engine. The lubrication system also includes an auxiliary lubrication system. The auxiliary lubrication system includes an auxiliary reservoir and a lubricant dispersion device. The auxiliary reservoir stores the…
System and method for cleaning a gas turbine engine and related wash stand
Granted: February 18, 2025
Patent Number:
12228041
A system for cleaning a gas turbine engine may generally include a wash stand having a base frame and a plurality of fluid injection nozzles configured to be supported by the base frame relative to the gas turbine engine. The nozzles may be configured to inject a cleaning fluid through an inlet of the fan casing of the engine as the fan blades are being rotated in a rotational direction such that the cleaning fluid is directed past the rotating fan blades and into a compressor inlet of…
Guide vane assembly with fixed and variable pitch inlet guide vanes
Granted: February 18, 2025
Patent Number:
12228037
A guide vane assembly for a nacelle of a gas turbine engine includes a forward vane and an aft vane. The aft vane is located aft of the forward vane and forward of a plurality of fan blades. The forward vane defines a fixed pitch angle and the aft vane is movable between a first pitch angle and a second pitch angle.
Pitch change mechanism for an aircraft engine
Granted: February 18, 2025
Patent Number:
12227284
A pitch change mechanism for an aircraft engine includes a unison ring, a plurality of crankshafts coupled to the unison ring and configured to receive a plurality of blades, an inner shaft coupled to the plurality of crankshafts and the unison ring, and an actuator cylinder and an actuator piston. The actuator cylinder is coupled to the inner shaft and is configured to move relative to the actuator piston along a longitudinal axis of the pitch change mechanism. Movement of the actuator…
