Systems and Methods for Node Selection and Ranking in Cyber-Physical Systems
Granted: December 26, 2024
Application Number:
20240427904
The present application describes techniques for node selection and ranking for, e.g., attack detection and localization in cyber-physical systems, without relying on digital twins, computer models of assets, or operational domain expertise. The described techniques include obtaining an input dataset of values for a plurality of nodes (e.g., sensors, actuators, controllers, software nodes) of industrial assets, computing a plurality of principal components (PCs) for the input dataset…
FACE SEAL ROBUST TO CASING VIBRATION
Granted: December 26, 2024
Application Number:
20240426222
This disclosure is directed to seal assemblies for a turbomachine. The seal assemblies include one or more paired rotors and stators and at least one interface between the rotors and the stators. The components of the stator may be axially and radially movable by vibrations and other mechanical interference. The stators comprise a sealing element, a seal housing, and a stator interface connected to the engine housing. In some examples, seal assembly includes a damping element to isolate…
METHODS AND APPARATUSES FOR BLADE LOCKING
Granted: December 19, 2024
Application Number:
20240418092
A lock lug for inhibiting movement of a plurality of rotor blades includes a body and an engagement mechanism. The body is sized and configured to be received within the rim slot of the rotor disk and defines a dovetail receiving aperture. The engagement mechanism extends from the body and has a retracted configuration configured to allow entry and exit of a dovetail of at least one or more of the plurality of rotor blades into and out of the dovetail receiving aperture and an extended…
CLEANING FLUIDS FOR USE IN ADDITIVE MANUFACTURING APPARATUSES AND METHODS FOR MONITORING STATUS AND PERFORMANCE OF THE SAME
Granted: December 12, 2024
Application Number:
20240408876
Embodiments of the present disclosure are directed to additive manufacturing apparatuses, cleaning stations incorporated therein, and methods of cleaning using the cleaning stations.
ADDITIVE MANUFACTURING APPARATUSES INCLUDING ENERGY EMITTERS FOR LOCALIZED HEATING
Granted: December 12, 2024
Application Number:
20240408821
A printing assembly for an additive manufacturing apparatus includes an energy emitter configured to steer one or more emissions across a build platform to raise a temperature of a build material on the build platform from an initial temperature to a first temperature, the first temperature being less than a threshold temperature set by material dependent metallurgical properties, and a fusing beam emitter configured to generate one or more laser beams to raise the temperature of the…
SYSTEMS AND METHODS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS WITH ARRAY OF LASER DIODES
Granted: December 12, 2024
Application Number:
20240408674
A system for additively manufacturing a three-dimensional object is provided. The system includes a build platform, an array of laser diodes, each laser diode of the array of laser diodes configured to direct a laser beam toward the build platform, and a controller communicatively coupled to each laser diode of the array of laser diodes such that control signals are communicated from the controller to each laser diode individually.
METHOD AND APPARATUS FOR ABLATING HOLES IN AN ARTICLE
Granted: November 28, 2024
Application Number:
20240391027
A method of laser ablation of one or more holes in an article includes a step of establishing an ablation characteristic. The ablation characteristic is a laser characteristic, a working zone characteristic, a cooling hole characteristic, or a synchronized machine motion characteristic. A creating step creates a laser path plan for a laser beam based on the established ablation characteristic for a first working zone and a second working zone of the article. An ablating step ablates the…
FAN ASSEMBLIES WITH FAN DISK INSERTS AND METHODS OF ASSEMBLING THE SAME
Granted: November 28, 2024
Application Number:
20240392690
A fan assembly for an engine includes a fan disk, fan disk inserts, and fan blades. The fan disk includes disk posts extending in a radial direction from a central region of the fan disk. The disk posts include disk post pressure surfaces that define a first array of dovetail recesses. The fan disk inserts are retained within the first array of dovetail recesses. The fan disk inserts include fan disk insert pressure surfaces that define a second array of dovetail recesses. The fan blades…
METHOD AND APPARATUS FOR ABLATING HOLES IN AN ARTICLE
Granted: November 28, 2024
Application Number:
20240391029
A method of ablating one or more holes in an article with a laser is provided. The method includes an establishing step that establishes an ablation characteristic. The ablation characteristic includes a synchronized machine motion characteristic. An ablating step ablates the one or more holes with the laser based on the synchronized machine motion characteristic. The synchronized machine motion characteristic synchronizes a laser beam emitted from the laser with a location of the one or…
METHOD AND APPARATUS FOR ABLATING HOLES IN AN ARTICLE
Granted: November 28, 2024
Application Number:
20240391028
A method of processing a group of holes in an article is provided. The method includes an establishing step that establishes an ablation characteristic including at least one of, a laser operating parameter and an ablation pattern for the group of holes. An ablating step ablates a first group of holes with a laser based on a first established ablation characteristic. A second ablating step ablates a second group of holes with the laser based on a second established ablation…
SYSTEMS AND METHODS PROVIDING SURFACE OFFSETS FOR ADDITIVE MANUFACTURING
Granted: November 21, 2024
Application Number:
20240383205
A computer program product comprising a non-transitory computer-readable medium storing instructions, that when executed by a computer processor, cause the computer processor to discretize distinct surfaces of a 3D model defining nominal geometry of a component to be manufactured using an additive manufacturing machine; define a build orientation of the 3D model, the build orientation comprises an initial build plane and a build direction; apply one or more in-plane offsets to at least…
SYSTEMS AND METHODS FOR PERFORMING MACHINE LEARNING AND DATA ANALYTICS IN HYBRID SYSTEMS
Granted: November 14, 2024
Application Number:
20240378493
The present application provides a method for performing data analytics in hybrid systems. The method may involve: determining a quantum of historical data associated with a machine learning model; determining an order associated with the machine learning model; determining whether a latency associated with the machine learning model is critical; selecting a server from a plurality of servers based at least in part on the quantum of historical data, the order, and the latency; and…
ADDITIVE MANUFACTURING APPARATUSES INCLUDING GANTRY FOR DIRECTING COLLIMATED LASER BEAM
Granted: November 14, 2024
Application Number:
20240375184
Disclosed herein are additive manufacturing apparatuses which include a print head supported by a positioning system, the print head including one or more delivery optics contained within the print head; a laser beam source assembly isolated from the positioning system, the laser beam source assembly configured to generate at least one collimated laser beam; and a laser beam receiver assembly isolated from the laser beam source assembly, the laser beam receiver assembly configured to…
PRINT HEADS FOR ADDITIVE MANUFACTURING APPARATUSES
Granted: November 14, 2024
Application Number:
20240375183
Disclosed herein are print heads for an additive manufacturing apparatus. The print heads include a housing. A projection element is disposed within the housing and is configured to receive the one or more laser beams generated by a beam emitter and project a plurality of projected laser beams in a pattern. A consolidating optic is disposed within the housing and is located below the projection element. The consolidating optic is configured to consolidate the pattern of the plurality of…
SYSTEMS AND METHODS FOR MONITORING A THROUGH FAULT CURRENT
Granted: November 7, 2024
Application Number:
20240369646
The present application provides a method for monitoring a through fault current. The method may involve: detecting a through fault; calculating an electrical stress, peak current, and duration of the through fault; determining two sets of percentage state changes associated with the through fault; assigning a respective set of weights and criticalities to each set of percentage state changes; calculating a mechanical state change based on the first set of percentage state changes and…
FORWARD LOAD REDUCTION STRUCTURES FOR HIGH PRESSURE COMPRESSORS
Granted: November 7, 2024
Application Number:
20240369072
Structures for reducing forward loads in compressors are described. compressor includes inner and outer circumferential support structures positioned concentrically around a central axis, and an aft-most stage including a vane extending radially inward from the outer circumferential support structure. An axial length of the aft-most stage is defined by a spacer arm of the inner circumferential support structure. The vane includes a root, a tip, and a trailing edge extending between the…
TORQUE EXTRACTION SYSTEMS, TURBINE ENGINES, AND METHODS FOR EXTRACTING TORQUE FROM TURBINE ENGINES
Granted: November 7, 2024
Application Number:
20240369022
A torque extraction system for a turbine engine includes an electric machine coupled to a shaft of the turbine engine by way of a gearbox disposed between the electric machine and the shaft of the turbine engine, and the electric machine draws torque from the shaft and converts the torque to electrical energy. A power bus is electrically coupled to the electric machine and provides power to the electric machine. A sensor senses vibrational forces acting on a rotor of the turbine engine,…
DIP-COAT BINDER SOLUTIONS COMPRISING A DIP-COAT METALLIC PRECURSOR FOR USE IN ADDITIVE MANUFACTURING
Granted: November 7, 2024
Application Number:
20240367231
A dip-coat binder solution comprises a dip-coat metallic precursor and a dip-coat binder. The dip-coat binder solution has a viscosity greater than or equal to 1 cP and less than or equal to 150 cP. A method of forming a part includes providing a green body part comprising a plurality of layers of print powder and a print binder, dipping the green body part in a dip-coat binder solution, and heating the dip-coated green body part. The dip-coated green body part is heated to form a coated…
METHODS FOR ADDITIVE MANUFACTURING PARTS WITH INTEGRATED SACRIFICIAL SUPPORTS
Granted: October 24, 2024
Application Number:
20240351107
A method for additive manufacturing a metal or ceramic part including forming a green metal or ceramic body having sacrificial supports present on at least one surface of the green body and placing the green body into a heating chamber such that the sacrificial supports support the green body. The green body is heated to remove a binder, forming a brown body. The brown body is sintered forming a metal or ceramic part, and the sacrificial supports are positioned to support the brown body…
SYSTEMS AND METHODS FOR MALICIOUS CONTROL DETECTION IN A POWER GRID
Granted: October 17, 2024
Application Number:
20240348047
The present application provides a system for malicious control detection in power grids. The system includes at least one node configured to detect power grid parameters for each power phase and generate a signal indicative of time-series sensor measurements for each power phase. A controller in communication with the node may be configured to receive from the at least one node, the respective signals, extract at least one feature from the respective signals, provide the at least one…
