6179 patents
Page 6 of 309
Utility
System and method for damping sub-synchronous control interactions in a grid-forming inverter-based resource
12 Dec 23
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.
Dustin Howard
Filed: 30 Nov 21
Utility
Heat extraction or retention during directional solidification of a casting component
5 Dec 23
A method of forming a directionally-solidified casting component using a casting system is provided.
Shenyan Huang, Christopher Raymond Hanslits, Canan Uslu Hardwicke, Jared Micheal Iverson, Jon Conrad Schaeffer
Filed: 7 Sep 22
Utility
Plant for additively manufacturing of three-dimensional objects
5 Dec 23
A system (1) for additive manufacturing of three-dimensional objects, comprising one or more working stations (21), which are provided for performing at least one working process in the additive manufacturing of three-dimensional objects, at least one freely positionable mobile storage unit (2) comprising a rack-like storage device (4) comprising at least one storage room (5) provided for storing at least one powder module (6), especially for the purpose of conveying the powder module (6) between different working stations (21) of the system (1), and at least one driverless, freely movable mobile conveying unit (3) comprising a receiving device (12) provided for receiving at least one mobile storage unit (2) for the purpose of conveying the storage unit (2) between different working stations (21) of the system (1).
Florian Bechmann, Ralf Hetzel, Jens Stammberger, Fabian Zeulner, Alexander Hofmann
Filed: 6 Nov 20
Utility
Anesthesia vaporizer reservoir and system
5 Dec 23
An anesthesia vaporizer system includes a vaporizer reservoir forming a sump chamber that contains liquid anesthetic agent and a fill chamber isolated from the sump chamber configured to receive liquid anesthetic agent from a refill container.
Thomas Bender, II, Joseph Lacey, Russell Kuzelka, David Wahl
Filed: 25 Jun 21
Utility
Composite component with oil barrier coating
5 Dec 23
A coated component having a composite substrate and a coating system disposed thereon is provided.
Arthur William Sibbach, Wendy Wenling Lin
Filed: 20 Nov 20
Utility
Vatless additive manufacturing apparatus and method
5 Dec 23
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 positioned adjacent to the build table opposite to the stage, and operable to generate and project radiant energy on the resin through the build table in a predetermined pattern; a drive mechanism operable to move the build table so as to expose a new portion thereof for each layer; and material remover operable to remove remnants from the build surface.
David Richard Barnhart, Mary Kathryn Thompson
Filed: 23 Dec 21
Utility
System and method for control for unducted engine
5 Dec 23
A computing system for an unducted rotor engine with a variable pitch vane assembly in aerodynamic relationship with an unducted rotor assembly, including a sensor-based controller configured to execute a first set of operations and a model-based controller configured to execute a second set of operations.
Sridhar Adibhatla, Stefan Joseph Cafaro, Robert Jon McQuiston
Filed: 15 Oct 20
Utility
Aircraft equipped with a distributed propulsion system having suction and pressure fans
5 Dec 23
An aircraft equipped with a distributed fan propulsion system and methods of operating such aircraft are provided.
Brendan Michael Freely, Kurt David Murrow, Michael James McMahon, Andrew Breeze-Stringfellow
Filed: 31 Aug 20
Utility
Aircraft flight management system
5 Dec 23
An apparatus and method for an aircraft flight management system configured to analyze a takeoff sequence for an aircraft, the aircraft slight management system comprising a memory storing runway information associated with the runway from which the aircraft will depart, one or more inputs configured to receive variables comprising real-time aircraft variables and real-time condition variables that influence an actual velocity of the aircraft, sensors for sensing the actual velocity of the aircraft; and a processor configured to compare a real-time takeoff value to a takeoff requirement value.
Stefan Alexander Schwindt
Filed: 22 Nov 19
Utility
Systems and methods for electron beam focusing in electron beam additive manufacturing
5 Dec 23
A system for melting, sintering, or heat treating a material is provided.
John Scott Price, Ye Bai, Antonio Caiafa, Vasile Bogdan Neculaes, Uwe Wiedmann
Filed: 31 Jul 20
Utility
Magnets in electrical machines
5 Dec 23
The present disclosure relates to rotors for an electrical machine comprising a first type of permanent magnets, and a second type of permanent magnets, wherein the first and the second types of permanent magnets have a same magnetic strength, and wherein the first type of permanent magnets has a first temperature rating, and the second type of permanent magnets has a second temperature rating different from the first temperature rating.
Julio Cesar Urresty, Mikhail Avanesov, Neus Galles Raventos, Ross Hall
Filed: 4 Nov 21
Utility
HVDC transmission schemes
5 Dec 23
The present invention provides a high voltage direct current (HVDC) transmission system (300, 600) comprising: a first station (102) comprising series-connected first and second HVDC converters (110, 130); a second station (104) comprising series-connected third and fourth HVDC converters (150, 170), wherein a neutral node (164) coupling the third HVDC converter (150) to the fourth HVDC converter (170) is coupled to earth; a first transmission line (200) connecting a positive node (114) of the first HVDC converter (110) to a corresponding positive node (154) of the third HVDC converter (150), wherein a first pole (240) of the system (300, 600) comprises the first HVDC converter (110), the third HVDC converter (150) and the first transmission line (200); a second transmission line (210) connecting a negative node (138) of the second HVDC converter (130) to a corresponding negative node (178) of the fourth HVDC converter (170), wherein a second pole (250) of the system (300, 600) comprises the second HVDC converter (130), the fourth HVDC converter (170) and the second transmission line (210); characterised in that: a neutral node (124) connecting the first HVDC converter (110) to the second HVDC converter (130) is coupled to a parallel combination of a resistance (310) and a neutral bus ground switch (312) for coupling the neutral node (124) to earth.
Chandra Mohan Sonnathi, Radnya Anant Mukhedkar, Jordann Raymond Martial Brionne, Damien Pierre Gilbert Fonteyne
Filed: 11 Apr 19
Utility
Method and apparatus for cooling a rotor assembly
5 Dec 23
A rotor assembly for an electric machine is disclosed.
Balamurugan Sridharan, Ami Hatim, Dhiraj Khushal Thakare, Sooraj Govindankutty Kocher
Filed: 28 Jan 22
Utility
Blade dovetail and retention apparatus
5 Dec 23
Methods, apparatus, systems, and articles of manufacture are disclosed for a slot to accommodate a blade of an engine.
Nicholas Joseph Kray, Ian F. Prentice
Filed: 24 Aug 21
Utility
Lightning bypass system
5 Dec 23
A lightning bypass system for a blade (22) of a wind turbine (10), the lightning bypass system comprising a blade connector (110) comprising an electrically insulating material (114) and configured to be located substantially in a rotational axis (R) of a blade root (24) of a wind turbine blade (22).
Raul Gracia Suberviola
Filed: 22 Jul 22
Utility
Gearbox assembly
5 Dec 23
A gearbox assembly includes a gear assembly that includes a planet gear, a pin disposed within the planet gear, a first sensor, and a second sensor.
Leonardo Coviello, Bugra H. Ertas, Eric R. Westervelt, Andrea Piazza, Juraj Hrubec
Filed: 29 Jul 22
Utility
Heat exchanger capacity for one or more heat exchangers associated with an accessory gearbox of a turbofan engine
5 Dec 23
A turbofan engine having one or more heat exchangers tied to an accessory gearbox is provided.
Eyitayo James Owoeye
Filed: 27 Apr 22
Utility
Combustor with reverse dilution air introduction
5 Dec 23
A combustor for a gas turbine engine includes a forward liner segment having an aft end portion.
Hiranya Kumar Nath, Ravindra Shankar Ganiger, Steven Clayton Vise
Filed: 5 Jul 22
Utility
Measuring device for measuring uneveness of a surface of an item
5 Dec 23
The present invention relates to a measuring device for characterising a shape of a surface of an item, such as a wind turbine blade fibre layup, wherein the measuring device comprises: a frame comprising a holding frame, a first set of two or more probes movably held in the holding frame, each probe having a respective probe end for contacting the surface of the item, and electronic sensing means configured to provide for each probe a respective electrical signal representative of a position of the probe relative to the holding frame.
Casper Kildegaard, Ya Min Jørgensen
Filed: 22 Jan 21
Utility
Systems and methods for monitoring and diagnosing power system assets
5 Dec 23
Systems, methods, and computer-readable media are disclosed for monitoring and diagnosing power system assets.
Balakrishna Pamulaparthy, Ali Shahid, Sumitha Mohan, Rajagopal Kommu, Raju Gurrapu, Sergio Dominguez Ruiz
Filed: 18 Nov 20