ELECTRICAL ASSEMBLY
Granted: April 28, 2022
Application Number:
20220131365
An electrical assembly comprises a plurality of modules (36), each module (36) including at least one switching element (38) and at least one energy storage device (40), the or each switching element (38) and the or each energy storage device (40) in each module (36) arranged to be combinable to selectively provide a voltage source, wherein each module (36) includes a respective sensor (46) that is configured to monitor at least one other of the plurality of modules (36), each sensor…
Adaptive linear linked piston electric power generator
Granted: April 28, 2022
Application Number:
20220127999
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…
DEVICES, SYSTEMS, AND METHODS FOR ROUTING DATA TO DISTRIBUTED DEVICES IN AIRCRAFT
Granted: April 21, 2022
Application Number:
20220123957
Devices, systems, and methods for routing data to distributed devices in an aircraft are disclosed. A data routing system includes an aircraft and an equipment communicatively coupled to a control unit. The aircraft includes a control unit, and one or more distributed modules. The control unit is configured to communicate with each of the one or more distributed modules via an engine control bus. The control unit is configured to receive an Ethernet packet from the equipment via an…
CURRENT CONTROL CIRCUIT
Granted: April 21, 2022
Application Number:
20220123652
There is provided a current control circuit (20) for connection between a first electrical network (42) and a converter, the current control circuit (20) comprising: first and second input terminals (24,26) for connection to the first electrical network (42); first and second output terminals (28,30) for respective connection to converter terminals (46,48) of the converter; first and second switching limbs, the first switching limb interconnecting the first input and output terminals…
VATLESS ADDITIVE MANUFACTURING APPARATUS AND METHOD
Granted: April 14, 2022
Application Number:
20220111593
An additive manufacturing apparatus includes: a build table, at least a portion of which is transparent, the build table defining a build surface; a material applicator operable to deposit a radio-energy-curable resin on the build surface; a stage positioned facing the build surface of the build table and configured to hold a one or more cured layers of the resin; one or more actuators operable to change the relative positions of the build table and the stage; a radiant energy apparatus…
SWITCHING VALVE
Granted: March 31, 2022
Application Number:
20220103091
There is provided a switching valve for a voltage source converter. The switching valve comprises a plurality of modules, each module including at least one switching element and at least one energy storage device, the or each switching element and the or each energy storage device in each module arranged to be combinable to selectively provide a voltage source, the switching valve including a controller configured to selectively control the switching of the switching elements to select…
RELATING TO POWER TRANSMISSION NETWORKS
Granted: March 31, 2022
Application Number:
20220102979
In the field of high voltage direct current (HVDC) power transmission networks, there is a need for improvements to allow a single power converter to control individual AC network voltages carried by multiple AC transmission conduits to multiple AC network elements, such as respective wind parks. A power transmission network (10; 100) comprises a power converter (12) which has first and second DC converter terminals (14, 16) that are for connection, in use, to a DC network. The power…
PROBABILISTIC FATIGUE AND BLEND LIMIT ASSESSMENT AND VISUALIZATION METHODS FOR AIRFOILS
Granted: March 31, 2022
Application Number:
20220100919
A method of analyzing a blended airfoil that includes generating a plurality of simulated blended airfoil designs each including one of a plurality of blend geometries, training surrogate models representing the plurality of simulated blended airfoil designs based on natural frequency, modal force, and Goodman scale factors, determining a likelihood of operational failure of each of the plurality of blended airfoil designs in response to one or more vibratory modes, determining which of…
AIRFOIL HAVING CAVITY INSERT TO SEPARATE FLOW
Granted: March 24, 2022
Application Number:
20220090505
According to various embodiments, an airfoil includes an outer wall defining an airfoil body surrounding at least one cavity and a removable insert including at least one mating feature for coupling the removable insert with the airfoil body between a first location within the at least one cavity and a second location within the at least one cavity. The removable insert is free of openings and separates a first air flow path from a second air flow path through the at least one cavity.…
SYSTEM AND METHOD FOR FULL-SCALE SAMPLING TO CONDUCT MATERIAL TESTS ON A STEAM TURBINE ROTOR
Granted: March 24, 2022
Application Number:
20220090991
A method for generating material test samples for conducting material tests of a legacy steam turbine rotor having an inter-blade region rotor surface, and an inlet region rotor surface adjoining the inter-blade region rotor surface. The method includes forming an annular ring of rotor material in the sample area and forming a material test sample from a portion of the annular ring. Also described is a legacy steam turbine rotor including an inter-blade region rotor surface, and an inlet…
RELATING TO POWER CONVERTERS
Granted: March 17, 2022
Application Number:
20220085614
In the field of high voltage direct current (HVDC) power transmission networks there is a need for an improved power converter. A power converter, for use in a HVDC power transmission network, comprises first and second DC terminals, for connection in use to a DC network and between which extends at least one converter limb. The or each converter limb includes first and second limb portions which are separated by an AC terminal, for connection in use to an AC network. Each limb portion…
TURBOMACHINE ROTOR DISK WITH INTERNAL BORE CAVITY
Granted: March 17, 2022
Application Number:
20220082022
A rotor disk for a gas turbine engine includes a disk body having a central bore extending therethrough. The disk body includes a bore body that extends around the central bore, a web that extends radially outward from the bore body having decreased thickness relative to the bore body and a peripheral rim that is located at an outer end of the web. The peripheral rim includes blade mounting structures for engaging complimentary mounting structures of rotor blades. The bore body has a…
METHODS OF FORMING A DUAL-STRUCTURED AIRCRAFT ENGINE STARTER/GENERATOR APPARATUSES
Granted: March 3, 2022
Application Number:
20220063829
A method for manufacturing a dual-structured aircraft engine starting and generating apparatus is provided. The method includes printing a housing using a three-dimensional printing process including a main machine portion and an exciter portion for receiving at least part of a generator system. Printing the housing includes printing a cooling jacket portion comprising one or more cooling passages that is a monolithic part of a sidewall of the housing.
METHOD OF JOINING ADDITIVELY MANUFACTURED COMPONENTS
Granted: March 3, 2022
Application Number:
20220063191
A method for producing a component from two or more sub-components includes the steps of: producing each of the sub-components using an additive manufacturing process in which a resin, which is radiant-energy-curable, is partially cured using a selective application of radiant energy, wherein each sub-component includes a joint surface in which the resin is partially cured which is cured to a lesser degree than the remainder of the respective sub-component, so as to leave the joint…
SYSTEM AND METHOD FOR MIXING RECIRCULATING COMBUSTION ASH WITH HYDRATED LIME AND WATER
Granted: March 3, 2022
Application Number:
20220062814
A mixer for recirculating ash from solid fuel combustion with hydrated lime and water and to feed the mixture into a desulfurization reactor. The mixer includes a housing having a front wall, two outer vertical sidewalls, a rear wall, a top, and a bottom, the top includes a feed chute configured for the entry and addition of product to the mixer, and the front wall includes an opening for the mixture of product to exit. The mixer also includes a rotatable vertical shaft having an…
GAS TURBINE ENGINES INCLUDING EMBEDDED ELECTRICAL MACHINES AND ASSOCIATED COOLING SYSTEMS
Granted: February 24, 2022
Application Number:
20220056846
A gas turbine engine includes a fan located at a forward portion of the gas turbine engine. A compressor section and a turbine section are arranged in serial flow order. The compressor section and the turbine section together define a core airflow path. A rotary member is rotatable with at least a portion of the compressor section and with at least a portion of the turbine section. An electrical machine is coupled to the rotary member and is located at least partially inward of the core…
CONNECTION STRUCTURE FOR A GENERATOR ASSEMBLY
Granted: February 24, 2022
Application Number:
20220056810
A generator assembly includes a stator assembly coupled to an engine stator component of a propulsion engine, the stator assembly including: a stator support structure fixedly attached to the engine stator component; a stator disposed on a supporting surface of the stator support; a manifold coupled to the stator support, the manifold defining a connection volume and including at least one coolant opening at a connection end of the manifold; and an electrical connector extending between…
MULTISTAGE INFRARED SUPPRESSION EXHAUST SYSTEM
Granted: February 17, 2022
Application Number:
20220048640
One embodiment includes a multistage infrared suppression exhaust system for an aircraft, including: a stage one including a first exhaust conduit to receive a first exhaust air flow at a first temperature-pressure product T1P1, a second exhaust conduit to receive a second exhaust air flow at a second temperature-pressure product T2P2, and a flow integrator mechanically configured to mix the first exhaust air flow with the second exhaust air flow in an integration chamber while…
Adaptive linear linked piston electric power generator
Granted: February 17, 2022
Application Number:
20220049646
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…
Adaptive linear linked piston electric power generator
Granted: February 17, 2022
Application Number:
20220049645
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…
