LIQUID/FLUID COOLING SYSTEMS FOR HIGH POWER-DENSITY (HPD) TRANSFORMERS
Granted: May 11, 2023
Application Number:
20230142063
A high power-density power converter (500) employs a liquid cooling system (200) to cool its transformers (120). In an embodiment, the coils (135) of a transformer (100) are embedded in a heat-conducting solid (epoxy or resin). The resin-embedded coils (135) are in physical/thermal contact with cold plates (160), which are sandwiched between the coils (135) and/or in contact with exterior surfaces of the coils (135). The cold plates (160) may additionally or alternatively be in…
IMPROVEMENTS IN OR RELATING TO BIPOLE POWER TRANSMISSION SCHEMES
Granted: May 4, 2023
Application Number:
20230140103
A bipole power transmission scheme with two independent converts, two power feed and one return conduit. During operation of the bipole power transmission scheme under abnormal conditions, when a return conduit is faulty and unable to provide a return current path, each converter controller is programmed to monitor the first power feed in the first transmission conduit and the second power feed in the second transmission conduit and, if the first power feed in the first transmission…
ELECTRICAL MACHINES FOR INTEGRATION INTO A PROPULSION ENGINE
Granted: May 4, 2023
Application Number:
20230139068
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 the stator support structure. An electrical machine shaft is coupled to an end of a shaft of the propulsion engine via an intermediate shaft member extending axially between the end of the shaft and the electrical machine shaft. A bearing support frame…
IMPROVEMENTS IN OR RELATING TO BIPOLE POWER TRANSMISSION SCHEMES
Granted: May 4, 2023
Application Number:
20230140103
A bipole power transmission scheme with two independent converts, two power feed and one return conduit. During operation of the bipole power transmission scheme under abnormal conditions, when a return conduit is faulty and unable to provide a return current path, each converter controller is programmed to monitor the first power feed in the first transmission conduit and the second power feed in the second transmission conduit and, if the first power feed in the first transmission…
ELECTRICAL MACHINES FOR INTEGRATION INTO A PROPULSION ENGINE
Granted: May 4, 2023
Application Number:
20230139068
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 the stator support structure. An electrical machine shaft is coupled to an end of a shaft of the propulsion engine via an intermediate shaft member extending axially between the end of the shaft and the electrical machine shaft. A bearing support frame…
GEARBOX CONFIGURATIONS FOR CLOCKWISE AND COUNTERCLOCKWISE PROPELLER ROTATION
Granted: April 27, 2023
Application Number:
20230130860
A gear assembly for use with a turbomachine comprises a sun gear, a plurality of planet gears, and a ring gear. The gear assembly is connected to an input shaft and an output shaft. The sun gear is configured to rotate about a longitudinal centerline of the gear assembly, and is driven by the input shaft. A component of the gear assembly drives the output shaft. The gear assembly further comprises an output shaft reversal mechanism configured to reverse the rotational direction of the…
VARIABLE PITCH FANS FOR TURBOMACHINERY ENGINES
Granted: April 27, 2023
Application Number:
20230126551
A turbomachinery engine can include a fan assembly with a plurality of variable pitch fan blades. The fan blades are configured such that they define a first VPF parameter and a second VPF parameter. The first VPF parameter is within a range of 0.10 to 0.40 and is defined as the hub-to-tip radius ratio divided by the fan pressure ratio. The second VPF parameter is within a range of 1-30 lbf/in2 and is defined as the bearing spanwise force divided by the fan area. In certain examples, the…
SYSTEMS AND METHODS TO IMPROVE THE ACCURACY AND MANUFACTURABILITY IN AN ADDITIVE MANUFACTURING COMPENSATION PROCESS
Granted: April 20, 2023
Application Number:
20230117766
A system and method for creating pre-compensated parts through additive manufacturing by providing more precise compensation in part regions either through a user specified selection of the region or an automatic selection of the region. An additive manufacturing system first generates a computer-aided design (CAD) image and then measures the physical representation of the component, then determines the amount to be compensated and generates a compensation field using multi-level…
APPARATUSES, SYSTEMS, AND METHODS FOR PROVIDING ENHANCED RECOATER EVENT PREDICTION FOR DMLM ADDITIVE MANUFACTURING
Granted: April 20, 2023
Application Number:
20230121090
A method may include receiving data associated with a part to be built by additive manufacturing using a recoater, predicting a distortion amount comprising a distance that the part is expected to distort in a vertical direction at one or more layers while the part is being built based on a simulation of the part being built, determining a likelihood of a recoater event based on the predicted distortion amount, determining a severity factor associated with the predicted distortion amount…
IMPROVEMENTS IN OR RELATING TO CHAIN-LINK MODULES FOR VOLTAGE SOURCE CONVERTERS
Granted: April 20, 2023
Application Number:
20230119315
In the field of chain-link modules for voltage source converters, there is a need for an improved chain-link module. Embodiments of the disclosure include a chain-link module, for connection in series with other chain-link modules to form a chain-link converter selectively operable to provide a stepped variable voltage source within a voltage source converter. The module can include a first pair of series-connected switching elements which are separated by a first connection terminal and…
SYSTEM AND METHOD FOR MITIGATING PARTICULATE INTRUSION TO AN AIR INTAKE SYSTEM OF A GAS TURBINE SYSTEM WITH INTRUSION PROTECTIVE COATINGS TAILORED TO LOCALE OF OPERATION
Granted: April 6, 2023
Application Number:
20230108653
Mitigating particulate intrusion to an air intake system of a gas turbine system with intrusion protective coatings tailored to locale of operation. A particulate intrusion protective coating is applied to a surface of a component of the air intake system to mitigate ingress of particulates within the air intake system and the gas turbine system. The particulate intrusion protective coating includes one or more particulate ingress influencing properties tailored to the common attributes…
POWDER REMOVAL ASSEMBLIES AND METHODS OF REMOVING UNBOUND PARTICLES USING POWDER REMOVAL ASSEMBLIES
Granted: April 6, 2023
Application Number:
20230103709
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…
Systems and Methods for Node Selection and Ranking in Cyber-Physical Systems
Granted: March 23, 2023
Application Number:
20230093713
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…
ELECTRICALLY DRIVEN DISTRIBUTED PROPULSION SYSTEM
Granted: March 23, 2023
Application Number:
20230086430
A system includes a starter generator configured to provide power to a first bus and a first inverter, a second inverter coupled to the first inverter, a first switch configured to selectively couple the second inverter to the first bus and to a second bus, a second switch configured to selectively couple a first motor to the first bus and to the second bus, and a controller. The controller sets the first switch to a second position and the second switch to a second position, causes the…
SYSTEMS AND METHODS FOR HIGH-SPEED FALLING CONDUCTOR PROTECTION IN ELECTRIC TRANSMISSION SYSTEMS
Granted: March 16, 2023
Application Number:
20230080160
Systems, methods, and computer-readable media are disclosed for high-speed falling conductor protection in electric distribution systems. An example method may include calculating, by a processor, at a first time, and for each phase, one or more first impedance values associated with one or more terminals of a transmission line. The example method may also include calculating, by the processor, at a second time, and for each phase, one or more second impedance values associated with the…
VARIABLE PITCH FAN ASSEMBLY WITH REMOTE COUNTERWEIGHTS
Granted: March 16, 2023
Application Number:
20230085208
A variable pitch fan assembly includes a plurality of rotating trunnion assemblies, a plurality of counterweight assemblies, a first unison ring gear engaged with the trunnion assemblies, and a second unison ring member that restricts out of synch movement of the counterweights relative to each other.
ELECTRICAL ASSEMBLY
Granted: March 16, 2023
Application Number:
20230084187
An electrical assembly includes a number of modules, each module including at least one module switching element and at least one energy storage device, each module switching element and each energy storage device in each module arranged to be combinable to provide a voltage source, each module including a discharge circuit with a discharge switching element and a discharge resistor, each discharge switching element switchable to switch the corresponding discharge resistor into and out…
SYSTEM AND METHODS FOR FABRICATING A COMPONENT WITH LASER ARRAY
Granted: March 16, 2023
Application Number:
20230083950
An additive manufacturing system includes a laser array including a plurality of laser devices. Each laser device of the plurality of laser devices generates an energy beam for forming a melt pool in a powder bed. The additive manufacturing system further includes at least one optical element. The optical element receives at least one of the energy beams and induces a predetermined power diffusion in the at least one energy beam.
RELATING TO BIPOLE POWER TRANSMISSION SCHEMES
Granted: March 16, 2023
Application Number:
20230082909
A bipole power transmission scheme includes a first converter station that is positioned, in-use, remote from a second converter station. First and second transmission conduits and a return conduit interconnect, in-use, the first converter station with the second converter station and thereby permit the transfer of power between the first and second converter stations. The first converter station includes a first power converter, a second power converter, and a converter station…
BINDERS COMPRISING A MONOMER AND AN INITIATOR FOR USE IN ADDITIVE MANUFACTURING
Granted: March 16, 2023
Application Number:
20230082562
A binder comprises a monomer and an initiator. The monomer comprises at least one of a difunctional monomer and a monofunctional monomer. A method of manufacturing a part includes depositing a layer of particulate material on a working surface; selectively applying a binder in at least one of an edge of the layer of particulate material and an infill pattern representative of a stress of the object; repeating the steps of depositing and selectively applying to form a plurality of layers…
