Turbine engine including a composite airfoil assembly having a dovetail portion
Granted: April 29, 2025
Patent Number:
12286903
A turbine engine having a disk and a composite airfoil assembly. The disk having a slot. The composite airfoil assembly having an airfoil portion, a dovetail portion, and a roll snubber. The dovetail portion having a radially inner surface. The roll snubber being provided on the radially inner surface. The radially inner surface spaced from the slot to define a gap therebetween.
Systems and methods for an ultrasonically driven anesthetic vaporizer
Granted: April 22, 2025
Patent Number:
12280218
Methods and systems are provided for delivering anesthetic agent to a patient. In one embodiment, an anesthetic vaporizer includes a sump configured to hold a liquid anesthetic agent; an ultrasonic transducer coupled to a bottom of the sump and at least partially disposed within the sump; a vaporizing chamber fluidically coupled to the sump; and a heating element coupled to the vaporizing chamber and configured to increase a temperature of a surface disposed within the vaporizing…
Methods and systems for starting secure communication in systems with high availability
Granted: April 22, 2025
Patent Number:
12284272
A distributed control system includes an electronic control unit to establish secure communication with a distributed control module. Upon determination that a previously negotiated session key is stored on the electronic control unit, the electronic control unit transmits encrypted communications with the distributed control module using the previously negotiated session key, negotiates a new session key with the distributed control module, and stores the new session key. Upon…
Electrical machines for integration into a propulsion engine
Granted: April 22, 2025
Patent Number:
12283870
An electrical machine includes a stator assembly coupled to an engine stator component of a propulsion engine. The stator assembly includes a stator support assembly fixedly attached to the engine stator component and a stator disposed on a supporting surface of the stator support structure. The electrical machine also includes a rotor assembly including a rotor support structure connected to a shaft of the propulsion engine and a rotor attached to the rotor support structure such that…
Multi-fluid heat exchanger
Granted: April 22, 2025
Patent Number:
12281850
A heat exchanger is provided. The heat exchanger includes a first wall manifold. The heat exchanger further includes a second wall manifold spaced apart from the first wall manifold. The heat exchanger further includes a plurality of vanes that extend generally circumferentially between the first wall manifold and the second wall manifold. The heat exchanger further includes a plurality of fluid circuits defined within the heat exchanger. Each fluid circuit in the plurality of fluid…
Apparatus to reduce bearing failure
Granted: April 22, 2025
Patent Number:
12281657
Methods, apparatus, systems, and articles of manufacture are disclosed to reduce failure to bearings in a pump system. Disclosed herein is a pump system comprising a shaft connected to an impeller of the pump system, and a bearing to provide a dampening to the shaft, the bearing including a journal lining, the journal lining supported in the pump system, a spring-loaded foil to separate the shaft from the journal lining, an inner lining between the shaft and the spring-loaded foil, and a…
System comprising a wind turbine and method for operating the system
Granted: April 22, 2025
Patent Number:
12281637
A wind turbine system and to a method for operating said system is disclosed. The system further comprises a detection device configured for detecting body waves generated by an earthquake. In one aspect, the present disclosure is directed to a system comprising a wind turbine, in particular to an onshore erected wind turbine, a wind turbine controller for controlling the wind turbine, and at least one detection device, which is connected to the wind turbine controller for transmitting…
Method of servicing or installing a component of a wind turbine using a crane
Granted: April 22, 2025
Patent Number:
12281636
A method (100) of servicing or installing a component of a wind turbine (10) using a crane (50), the wind turbine (10) comprising a nacelle (16) and a rotor hub (20) coupled to the nacelle (16) and rotatable about a rotor axis, the method (100) comprising rotating the rotor hub (20) about the rotor axis to a first rotational position; lifting the crane (50) to the rotor hub (20) while the rotor hub (20) is positioned at the first rotational position; mounting the crane (50) to a mounting…
Mounting assembly for a gearbox assembly
Granted: April 22, 2025
Patent Number:
12281618
A mounting assembly for a gearbox assembly of a gas turbine engine includes at least one mounting member configured to mount a gear of the gearbox assembly to a component of the gas turbine engine, the at least one mounting member characterized by a lateral impedance parameter, a bending impedance parameter, and a torsional impedance parameter. A gas turbine engine includes the mounting assembly. The at least one mounting member may be a flex mount, a fan frame, or a flex coupling. The…
Air turbine starter with lubrication recirculation circuit
Granted: April 22, 2025
Patent Number:
12281617
An air turbine starter (ATS) for a gas turbine engine having an accessory gear box (AGB) with a lubricant reservoir, the air turbine starter comprising a housing at least partially defining a working air flow path; a turbine section comprising a turbine having an output shaft and a plurality of blades circumferential spaced about the output shaft and at least partially extending into the working air flow path; a drive section having a drive shaft operably coupled to the output shaft to…
Ceramic matrix composite component manufacturing
Granted: April 22, 2025
Patent Number:
12281598
A gas turbine engine is provided. The gas turbine engine includes a stage of airfoil segments having a first ceramic matrix composite (CMC) airfoil segment, the first CMC airfoil segment includes: an end band having a radial surface defining a cold side surface area, ACS; and an airfoil coupled to or formed with the end band, the airfoil and the end band defining a joint therebetween, the joint including one or more radial interfaces defining a total radial interface surface area, ARI,…
Rotating airfoil assembly for an aircraft engine
Granted: April 22, 2025
Patent Number:
12281582
An engine for an aircraft. The engine includes a rotating airfoil assembly, at least one actuator, a torque producing system, and a controller. The rotating airfoil assembly includes a rotation axis and a plurality of rotating airfoils configured to rotate about the rotation axis in a plane of rotation. The at least one actuator is operable to change the plane of rotation of the plurality of rotating airfoils. The torque producing system is coupled to the rotating airfoil assembly and…
Variable flowpath casings for blade tip clearance control
Granted: April 22, 2025
Patent Number:
12281577
Disclosed herein are example variable flowpath casings for blade tip clearance control. An example casing for a turbine engine includes a first annular substrate extending along an axial direction; a second annular substrate positioned radially inward relative to the first annular substrate, the second annular substrate movably coupled to the first annular substrate; and an actuator coupled to the second annular substrate such that a force applied by the actuator moves the second annular…
Open rotor pylon fairing
Granted: April 22, 2025
Patent Number:
12280883
An aircraft defining a longitudinal centerline and extending between a forward end and an aft end is provided. The aircraft comprises a fuselage extending between the forward end of the aircraft and the aft end of the aircraft; a wing assembly extending laterally outwardly with respect to the longitudinal centerline from a portion of the fuselage; an unducted turbofan engine including an unducted fan that defines a plurality of fan wakes; and a pylon fairing that connects the unducted…
Cleaning systems for additive manufacturing apparatuses and methods for using the same
Granted: April 22, 2025
Patent Number:
12280596
Embodiments of the present disclosure are directed to additive manufacturing apparatuses, cleaning stations incorporated therein, and methods of cleaning using the cleaning stations.
Automated fiber placement assembly and method for forming a component
Granted: April 22, 2025
Patent Number:
12280555
An automated fiber placement assembly forms a component by the placement of separate or multiple layers of fiber tows. The automated fiber placement assembly comprises a cutter assembly defining a cut shape. A backplate is spaced from the first cutter assembly against which cutter assembly can cut the fiber tows. The fiber tows define a longitudinal axis and are fed between the first cutter assembly and the backplate in a feed direction. The cutter head assembly is rotatable and movable…
Additive manufacturing methods and systems with two beams traveling along opposing, wobbling paths
Granted: April 22, 2025
Patent Number:
12280538
Methods of additively manufacturing a three-dimensional object include irradiating a first build plane region using a first energy beam, irradiating a second build plane region using a second energy beam, and irradiating an interlace region between the first build plane region and the second build plane region. Irradiating the interlace region comprises directing the first energy beam along a first oscillating path and directing the second energy beam along a second oscillating path…
Irradiation devices with optical modulators for additively manufacturing three-dimensional objects
Granted: April 22, 2025
Patent Number:
12280446
An irradiation device for additively manufacturing three-dimensional objects may include a beam generation device configured to generate an energy beam, an optical modulator including a micromirror array disposed downstream from the beam generation device, and a focusing lens assembly disposed downstream from the optical modulator. The micromirror array may include a plurality of micromirror elements configured to reflect a corresponding plurality of beam segment of the energy beam along…
Tools and methods for handling tower sections
Granted: April 15, 2025
Patent Number:
12275344
The present disclosure relates to tools and methods for handling a tower section of a wind turbine tower. A tool comprises a first wheeled platform, a second wheeled platform, and a frame. The frame comprises a first side portion, and a second side portion. The first side portion is attached to the first wheeled platform and is configured to support a first end portion of a sling. The second side portion is attached to the second wheeled platform and is configured to support a second end…
Gas turbine engine noise reduction
Granted: April 15, 2025
Patent Number:
12275532
An aircraft engine includes a low pressure spool, a high pressure spool, and an alternative power source. The alternative power source is configured to add power to the high pressure spool. A controller is configured to determine a noise sensitive condition; and control, in response to determining the noise sensitive condition, the alternative power source to add power to the high pressure spool.
