Coated article for hot hydrocarbon fluid and method of preventing fuel thermal degradation deposits
Granted: December 19, 2023
Patent Number:
11846026
A hydrocarbon fluid containment article having a wall with a surface that is wetted by hydrocarbon fluid. The surface includes an anti-coking coating. The anti-coking coating includes a copper salt, a silver salt, or a combination thereof. A gas turbine engine component including a wall having a first surface and an anti-coking coating on the first surface of the wall that is wetted by hydrocarbon fluid. The anti-coking coating including a copper salt, a silver salt, or a combination…
Temperature control for energy storage system
Granted: December 19, 2023
Patent Number:
11848425
An energy storage system includes a DC bus; a plurality of battery strings, each battery string comprising batteries coupled electrically together; a plurality of DC/DC converters electrically coupling respective battery strings to the DC bus; an enclosure housing the battery strings and the DC/DC converters; and a temperature control system. The temperature control system includes at least one heating, ventilation, and air conditioning (HVAC) system, and a controller. The controller is…
Apparatus, system and method for developing industrial process solutions using artificial intelligence
Granted: December 19, 2023
Patent Number:
11846933
An apparatus, system and method of providing industrial analytics. The apparatus, system and method include at least a plurality of sensors sensing performance indicators for an industrial process across multiple nodes, wherein ones of the multiple nodes are remote from each other; at least one machine learning module comprising non-transitory computing code executed by a processor. When executed by the processor, the code causes the steps of: receiving user input regarding at least the…
Online and offline partial discharge detection for electrical drive systems
Granted: December 19, 2023
Patent Number:
11846665
Aspects of the present disclosure are directed to systems and methods for detecting Partial Discharge (PD) associated with wide bandgap semiconductor-based electrical drive systems in real time. In one aspect, signals, including noise associated with drive switching and other background noises are detected using a sensing device. The signals are received by a real-time spectrum analyzer. The spectrum analyzer transforms the signals into the frequency domain and determines or registers…
Gas turbine combustor having secondary fuel nozzles with plural passages for injecting a diluent and a fuel
Granted: December 19, 2023
Patent Number:
11846426
A gas turbine engine including a compressor section, a combustor for combusting a fuel, and a turbine. Compressed air flows through a combustion liner of the combustor in a bulk airflow direction. The combustor includes a primary fuel nozzle and a secondary fuel nozzle. The secondary fuel nozzle is downstream of the primary fuel nozzle in the bulk airflow direction. The primary fuel nozzle is configured to inject a primary portion of the fuel into a primary combustion zone, and the…
Mixer assembly for gas turbine engine combustor
Granted: December 19, 2023
Patent Number:
11846423
A mixer assembly having a plurality of mixer vanes, each of the plurality of mixer vanes having a first end, a second end, and a body portion extending between the first end and the second end, the body portion having a length, a width, a thickness, a cross-sectional area, a curvature, and a twist, wherein each of the plurality of mixer vanes has a 3-dimensional shape defined by the length, width, thickness, cross-sectional area, curvature, and twist of the body portion, and wherein at…
Dome-deflector joint cooling arrangement
Granted: December 19, 2023
Patent Number:
11846419
A dome-deflector assembly for a gas turbine includes a dome, a deflector, and at least one dome-deflector connecting assembly that includes a connecting member connecting the dome and the deflector together with a cavity being defined between the dome and the deflector. The connecting member extends through the deflector and has a first end arranged at a hot surface side of the deflector and a second end arranged to connect with the dome. The dome-deflector connecting assembly is…
System and method for preventing icing in the combustion inlet air path of a gas turbine system
Granted: December 19, 2023
Patent Number:
11846231
A system and method for preventing icing in the combustion inlet air path of a gas turbine system. An air intake system of the gas turbine system supplies intake air to a gas turbine engine. The air intake system includes an air filter inlet house to filter the intake air. The air filter inlet house includes at least one filter stage having an array of pulse filters, with each of the pulse filters being hydrophobic. A combustion inlet air path is in fluid communication with the air…
Adaptive linear linked piston electric power generator
Granted: December 19, 2023
Patent Number:
11846230
A load adaptive linear electrical generator system is provided for generating DC electrical power. The electrical generation system includes one or more power generation modules which will be selectively turned on or off and additively contribute power depending on the DC power demand. Each power generating module includes a pair of linear electrical generators connected to respective ones of a pair of internal combustion piston based power assemblies. The piston in the internal…
System and method for maintaining electrical power continuity in a steam-based power plant
Granted: December 19, 2023
Patent Number:
11846210
A system for maintaining electrical power continuity in a steam-based power plant is provided. The system includes a fossil fuel-fired power generation unit and an electrical power storage apparatus. The fossil fuel-fired power generation unit is operative to generate and provide electrical power to an electrical power grid. The electrical power storage apparatus is electrically coupled to the fossil fuel-fired power generation unit and operative to: receive and store electrical power…
Turbine engine inducer assembly
Granted: December 19, 2023
Patent Number:
11846209
An apparatus and method for assembling an inducer assembly for inducing a rotation on an airflow passing within a turbine engine. The inducer assembly can provide a volume of fluid from a compressor section to a turbine section of the engine. The inducer assembly can include the combination of separate segments to form an annular inducer.
Nozzle assembly with alternating inserted vanes for a turbine engine
Granted: December 19, 2023
Patent Number:
11846207
A nozzle assembly for a gas turbine engine and methods for assembling a nozzle assembly are provided. In one example aspect, the nozzle assembly includes an outer wall and an inner wall radially spaced from the outer wall. The outer wall defines a plurality of mounting openings spaced circumferentially from one another. The inner wall defines a plurality of mounting openings spaced circumferentially from one another. The mounting openings defined by the inner wall are positioned…
Balancing weight entry port for turbine rotor
Granted: December 19, 2023
Patent Number:
11846201
A turbine rotor includes a rotor body and a balancing weight slot defined in an exterior circumference of the body. The balancing weight slot has a first axial width and a first radially outward facing surface at a first radial distance from a rotor axis. The rotor also includes a balancing weight entry port defined in a portion of the exterior circumference of the rotor body and aligned with the balancing weight slot. The balancing weight entry port has a second axial width greater than…
Turbine engine assembly
Granted: December 19, 2023
Patent Number:
11846193
An assembly for a turbine engine can include a monolithic body with an inner band and an outer band radially spaced from the inner band, a pocket surface in one of the inner or outer bands defining a recess, and an airfoil with a first end radially extending from the other of the inner or outer bands.
Airfoil assembly with a trunnion and spar
Granted: December 19, 2023
Patent Number:
11846192
An airfoil assembly and a method of forming the airfoil assembly, the airfoil assembly having a trunnion, a spar, and a set of inserts. The trunnion having a flared socket with an open top. The spar extending from the flared socket and through the open top. The spar having a first end located within the flared socket.
AC electrical power system for a vehicle
Granted: December 19, 2023
Patent Number:
11845388
An AC electrical system for a vehicle and methods of operating the same are provided. In one aspect, an AC electrical system includes a first electric machine mechanically coupled with a first spool of a gas turbine engine and a second electric machine mechanically coupled with a second spool of the gas turbine engine. The system also includes a first AC bus and a second AC bus. A first electrical channel electrically couples the first electric machine to the first AC bus and a second…
Minute volume and carbon dioxide clearance as surrogates for EtCOin automatic ventilation
Granted: December 12, 2023
Patent Number:
11839717
A method for automatically controlling ventilation of a patient includes receiving a target expiratory CO2 concentration, measuring an actual expiratory CO2, and comparing the actual expiratory CO2 concentration to the target expiratory CO2. A ventilation rate for the patient is then calculated based on the comparison of the actual expiratory CO2 concentration and the target expiratory CO2 in order to maintain the actual expiratory CO2 within a predetermined range of the target…
System and method for maintenance of a fleet of machines
Granted: December 12, 2023
Patent Number:
11842149
A method for maintenance of a machine among a fleet of machines includes receiving a service request corresponding to the machine. The method also includes obtaining a service architecture corresponding to the fleet of machines. The service architecture includes a service dictionary and a plurality of classification schemes organized in a tree data structure. The method also includes processing the service request based on the service dictionary and a text parsing technique to generate a…
System and method for damping sub-synchronous control interactions in a grid-forming inverter-based resource
Granted: December 12, 2023
Patent Number:
11843252
A method for damping sub-synchronous control interactions (SSCI) in a grid-forming inverter-based resource connected to an electrical grid includes receiving, via a controller, a current feedback signal in a synchronous reference frame. The method also includes rotating, via the controller, the current feedback signal to a new reference frame associated with a sub-synchronous frequency range. Further, the method includes determining, via the controller, a sub-synchronous component of the…
Crowbar module for an active neutral point clamped power conversion assembly
Granted: December 12, 2023
Patent Number:
11843325
A method for operating a multi-level bridge power converter of an electrical power system connected to a power grid includes receiving, via a controller of the power converter, an indication of a transient event occurring in the power grid or the electrical power system. The power converter has a plurality of switching devices arranged in an active neutral point clamped topology. Accordingly, upon receiving the indication, the method includes activating a crowbar algorithm programmed in…
