Patents Assigned to General Electric
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Patent number: 11898755Abstract: A combustor for a gas turbine has a combustor liner including an outer liner and an inner liner, a combustion chamber being defined between the outer liner and the inner liner. The combustion chamber includes a primary combustion zone at an upstream end of the combustion chamber. The combustor also includes an outer liner expanded primary volume portion, and a secondary outer liner portion. One of the outer liner expanded primary volume portion and the secondary outer liner portion is movable to adjust a volume of the primary combustion zone by opening and closing access to the outer liner expanded primary volume portion so as to increase and to decrease the volume of the primary combustion zone.Type: GrantFiled: June 8, 2022Date of Patent: February 13, 2024Assignee: GENERAL ELECTRIC COMPANYInventors: Ravindra Shankar Ganiger, Hiranya Nath, Michael A. Benjamin, Nicholas R. Overman
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Patent number: 11898682Abstract: A tube spacing and fastening system for a gas turbine engine includes a plurality of tubular structures, a wear sleeve, a spacer element, and a fastening element. The plurality of tubular structures provides a fluid flow to a component of the gas turbine engine. The wear sleeve is located around each of the plurality of tubular structures. The spacer element receives the plurality of tubular structures. The fastening element extends around the wear sleeves and is configured to secure the plurality of tubular structures to the spacer element. An interference between the fastening element and wear sleeves is configured to allow the fastening element to slide with respect to the wear sleeves and to provide a damping effect under gas turbine engine vibrations and operating conditions. A method of damping vibrations in the plurality of tubular structures includes allowing the fastening element to slide with respect to the wear sleeve.Type: GrantFiled: October 15, 2021Date of Patent: February 13, 2024Assignee: GENERAL ELECTRIC COMPANYInventors: Naleen Kumar Verma, Mario Alberto Bolaños Jimenez, Arun Ramachandra, Jeffrey P. Darnell, Michael E. Sandy, José Torre
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Patent number: 11898757Abstract: A propulsion system includes at least one rotating detonation actuator comprising: a flow path extending from an inlet end to an outlet end; an inner wall defining a radially inner boundary of the flow path; an outer wall defining a radially outer boundary of the flow path; and at least one aircraft wing. The rotating detonation actuator is disposed in the aircraft wing. At least one rotating detonation wave travels through the flow path from the inlet end to the outlet end.Type: GrantFiled: August 3, 2021Date of Patent: February 13, 2024Assignee: GENERAL ELECTRIC COMPANYInventors: Nicholas William Rathay, Narendra Digamber Joshi, Venkat Eswarlu Tangirala
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Patent number: 11901758Abstract: A power system (150) operable to implement a power balancing control scheme is provided. In one aspect, a power system (150) includes multiple independent power supplies (182A, 182B) with independent batteries (172A, 172B) feeding onto a common power bus (180). The power supplies (182A, 182B) regulate the voltage on the common power bus (180) at the same time. The power balancing control scheme, when implemented, causes the load on the common power bus (180) to be shared among the individual power supplies (182A, 182B) with a specified load distribution. The specified load distribution can be set or determined to balance the State of Charge (SoC) of the batteries (172A, 172B) over time whilst taking into account the constraints or limits of the elements (172A, 172B, 182A, 182B) of the power system (150).Type: GrantFiled: December 1, 2021Date of Patent: February 13, 2024Assignee: General Electric CompanyInventors: Gregory L. Detweiler, Pradeep Vijayan
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Patent number: 11898492Abstract: Provided are fluid exchange apparatuses and methods of exchanging fluids between streams. Exemplary fluid exchange apparatus includes a first interleaved pathway with a plurality of first passages, and a second interleaved pathway with a plurality of second passages, in which the plurality of first passages and the plurality of second passages interleave with one another. Exemplary methods include directing a first fluid through a first interleaved pathway of a fluid exchange apparatus and directing a second fluid through a second interleaved pathway of a fluid exchange apparatus. The first fluid may flow from an upstream portion of a first duct into the first interleaved pathway and may discharge into a downstream portion of the second duct. The second fluid may flow from an upstream portion of the second duct into the second interleaved pathway and may discharge into a downstream portion of the first duct.Type: GrantFiled: August 26, 2022Date of Patent: February 13, 2024Assignee: General Electric CompanyInventor: Jeffrey Douglas Rambo
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Publication number: 20240044290Abstract: A gas turbine engine fuel supply system can include a fuel delivery system, a thermal management system, a fuel manifold, and one or more sensors that identify one or more fuel parameters. A fuel control system can be controlled to adjust one or more parameters of the fuel based on data received from the sensors.Type: ApplicationFiled: October 18, 2023Publication date: February 8, 2024Applicant: General Electric CompanyInventors: Brandon W. Miller, Robert Jon McQuiston, Stefan Joseph Cafaro, Eric Richard Westervelt, Michael A. Benjamin, Joel M. Haynes, Hejie Li
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Publication number: 20240044262Abstract: This disclosure is directed to cooling systems for turbomachine seal assemblies. The seal assemblies include stationary and rotating components and at least one interface between the stationary and rotating components. During operation of the turbomachine, the components of the seal assemblies generate heat, which is removed from the seal assembly by the cooling systems of this disclosure. In some examples, the cooling system includes a reservoir of lubricant that is distributed to a face of one of the components of the seal assembly. In other examples, the cooling system includes a lattice structure capable of retaining lubricant against the components of the seal assembly, or a pressurized jet of lubricant directed against the components of the seal assembly. The cooling systems can further include a combination of deflectors, hairpin members, and channels for distributing the lubricant to the components of the seal assemblies.Type: ApplicationFiled: July 3, 2023Publication date: February 8, 2024Applicant: General Electric CompanyInventors: Nageswar Ganji, Ravindra Shankar Ganiger, Hiranya Nath, Jonathan K. Remer
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Patent number: 11894771Abstract: 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 (24,28), the second switching limb interconnecting the second input and output terminals (26,30), each switching limb including a respective switching element (32,34,36,38); a director limb (76) extending between the first and second output terminals (28,30), the director limb (76) including at least one current director element (84) and at least one first resistive element (86), the director limb (76) including an intermediate terminal (82); a second resistive element (88), a first end of the second resistive element (88) opeType: GrantFiled: January 28, 2020Date of Patent: February 6, 2024Assignee: General Electric Technology GmbHInventors: Hassan Taghizadeh, Carl David Barker, Robert Stephen Whitehouse
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Patent number: 11891954Abstract: 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 airflow path in a radial direction. An enclosure at least partially encloses the electrical machine. The enclosure at least partially defines a first cooling airflow path within the enclosure that at least partially defines a first cooling airflow buffer cavity at least partially around the electrical machine.Type: GrantFiled: August 12, 2021Date of Patent: February 6, 2024Assignees: General Electric Company Polska sp. z o.o., General Electric CompanyInventors: Adam Tomasz Paziński, Miroslaw Sobaniec, Christopher N. Delametter
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Patent number: 11894681Abstract: A system and method are provided for damping power system oscillations in a power system network having one or more local inverter-based generators within a plant, the plant connected to a grid at a point of intersection (POI). The system and method include a plant-level controller or local controller that receives one or more grid signals having a characteristic indicative of a power system oscillation. The plant-level controller or local controller generates an auxiliary signal from the grid signals that is used by the local controller of the inverter-based generators. At the local controller, the auxiliary signal is used to modulate reactive power output from the inverter-based generator to change a voltage at the POI, the voltage change damping the power system oscillations.Type: GrantFiled: October 1, 2021Date of Patent: February 6, 2024Assignee: General Electric CompanyInventors: Bishnu Sapkota, Alfredo Sebastian Achilles, Il-Do Yoo
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Patent number: 11893525Abstract: A dispatch advisor to assist in selecting operating conditions of a power plant that maximizes operational revenue is described. The dispatch advisor obtains a base load map for operating the power plant to meet base load power demands. The base load map includes a primary base load operating space for attaining target plant power output and efficiency, and an expanded base load portion for attaining higher plant power output and less than optimal efficiency. Both the primary base load operating space and the expanded base load portion associate power output and efficiency values of the power plant that result from a subset of operational parameter values for operating the power plant during base load. The dispatch advisor can transform the flexible base load map into one or more visualizations describing the revenue possibilities associated with operating the power plant based on operating values and attained power output and efficiency.Type: GrantFiled: April 29, 2021Date of Patent: February 6, 2024Assignee: GENERAL ELECTRIC COMPANYInventors: Ilya Alexandrovich Slobodyanskiy, David Leach, Berardino Pezzella
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Patent number: 11892245Abstract: A heat exchanger is provided that can include furcating unit cells coupled with each other. Each of the unit cells can be elongated along an axis and include a sidewall that defines annular ring openings on opposite ends of the unit cell along the axis. The sidewall also can define undulating annular rings between the annular ring openings and axially separated from each other along the axis. The sidewall can further define angled openings into the unit cell both above and below each of the undulating annular rings. At least a first opening of the annular ring openings and the angled openings can be configured to be an inlet to receive a first fluid into the unit cell and at least a second opening of the annular ring openings and the angled openings configured to be an outlet through which the first fluid exits the unit cell.Type: GrantFiled: August 7, 2020Date of Patent: February 6, 2024Assignee: General Electric CompanyInventors: William Dwight Gerstler, Daniel Jason Erno, Michael Thomas Kenworthy, Jeffrey Douglas Rambo, Nicolas Kristopher Sabo
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Patent number: 11892165Abstract: A heat shield for a fuel nozzle of a gas turbine engine combustor. The heat shield includes a radial flange extending in radial and circumferential directions and has an opening therethrough at a radially inward end of the radial flange, and an annular conical wall extending in longitudinal and circumferential directions, the annular conical wall being connected to the radial flange at the radially inward end of the radial flange. The radial flange includes a flange forward side, and a flange aft side, and has a flange outer end portion. The flange outer end portion includes a flange rounded end portion on one of the flange forward side or the flange aft side, and a flange rounded protruding lip on the other of the flange forward side or the flange aft side, the rounded protruding lip extending in the longitudinal direction.Type: GrantFiled: May 19, 2021Date of Patent: February 6, 2024Assignee: GENERAL ELECTRIC COMPANYInventors: Hiranya Nath, Michael A. Benjamin, Rajendra Wankhade, Hari Chandra
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Patent number: 11891998Abstract: A pump system for pressurizing a fluid within a closed loop thermal transport bus is disclosed herein. The example of the pump system disclosed herein includes an electric motor including a rotor shaft and a stator, wherein the rotor shaft is to generate a first torque; a pump including an impeller coupled to an impeller shaft, wherein the impeller is to increase a kinetic energy of the fluid; a driver wheel attached to the rotor shaft, wherein the driver wheel is radially connected to a follower wheel; and a co-axial magnetic coupling to connect at least one of the follower wheel to the impeller shaft or the driver wheel to the rotor shaft, wherein the co-axial magnetic coupling includes an outer hub, an inner hub, and a barrier can, the barrier can to hermetically seal a portion of the pump system from the fluid.Type: GrantFiled: June 14, 2022Date of Patent: February 6, 2024Assignee: General Electric CompanyInventors: David Raju Yamarthi, Mohan Kannaiah Raju, Adam Joseph Wangler, Rodrigo Rodriguez Erdmenger, Santosh Kumar Pattnaik, Prachi Anand Tappu
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Patent number: 11891898Abstract: A rotary machine includes a stator and a rotor configured to rotate with respect to the stator. The rotor is arranged with the stator at a rotor-stator interface and defines a rotor face. Further, the rotary machine includes a seal assembly at the rotor-stator interface. The seal assembly includes at least one seal and a groove formed into the rotor at the rotor-stator interface. In addition, the seal assembly includes a removable insert positioned within the groove of the seal assembly and defining at least a portion of the rotor face. As such, during operation of the rotary machine, if the rotor and the stator make undesirable contact at the rotor-stator interface, the removable insert becomes damaged to prevent damage from occurring to the rotor and the stator.Type: GrantFiled: December 14, 2022Date of Patent: February 6, 2024Assignee: General Electric CompanyInventors: Narendra Anand Hardikar, Scott Alan Schimmels
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Patent number: 11894738Abstract: A turbomachine equipped with an embedded electric machine having a segmented and movable stator is provided. In one aspect, a turbomachine defines a radial direction and includes a rotating component, actuators, and an electric machine. The electric machine includes a rotor assembly rotatable with and operatively coupled with the rotating component. The electric machine also includes a stator assembly having a stator split into stator segments. Each one of the stator segments is movable by one of the actuators between a first position and a second position along the radial direction, the stator segments each being closer to the rotor assembly along the radial direction when in the first position than when in the second position.Type: GrantFiled: August 18, 2021Date of Patent: February 6, 2024Assignee: General Electric CompanyInventors: Darek Tomasz Zatorski, Mohamed Osama
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Patent number: 11892003Abstract: A control system for active stability management of a compressor element of a turbine engine is provided. In one example aspect, the control system includes one or more computing devices configured to receive data indicative of an operating characteristic associated with the compressor element. For instance, the data can be received from a high frequency sensor operable to sense pressure at the compressor element. The computing devices are also configured to determine, by a machine-learned model, a stall margin remaining of the compressor element based at least in part on the received data. The machine-learned model is trained to recognize certain characteristics of the received data and associate the characteristics with a stall margin remaining of the compressor element. The computing devices are also configured to cause adjustment of one or more engine systems based at least in part on the determined stall margin remaining.Type: GrantFiled: March 6, 2019Date of Patent: February 6, 2024Assignee: General Electric CompanyInventors: James Ryan Reepmeyer, Johan Michael Reimann, Gagan Adibhatla, Evin Nathaniel Barber, Stefan Joseph Cafaro, Rahim Panjwani, Frederick John Menditto, III, Aaron James Schmitz, Suchot Kongsomboonvech, Richard Anthony Zelinski
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Ceramic matrix composite articles having different localized properties and methods for forming same
Patent number: 11890836Abstract: Ceramic matrix composite articles include, for example a first plurality of plies of ceramic fibers in a ceramic matrix defining a first extent, and a local at least one second ply in said ceramic matrix defining a second extent on and/or in said first plurality of plies with the second extent being less than said first extent. The first plurality of plies has a first property, the at least one second ply has at least one second property, and said first property being different from said at least one second property. The different properties may include one or more different mechanical (stress/strain) properties, one or more different thermal conductivity properties, one or more different electrical conductivity properties, one or more different other properties, and combinations thereof.Type: GrantFiled: June 28, 2022Date of Patent: February 6, 2024Assignee: General Electric CompanyInventors: Matthew Hockemeyer, Jason David Shapiro, K. M. K. Genghis Khan, James Scott Vartuli, Daniel Gene Dunn, Shatil Sinha, Douglas Decesare, Suresh Subramanian -
Patent number: 11891905Abstract: A bearing support assembly to support one or more bearings on a shaft. The bearing support assembly includes a bearing support frame configured to be coupled to a static frame, a plurality of ribs connected to the bearing support frame, and a bearing support connected to the plurality of ribs and configured to support a bearing of the one or more bearings. The bearing support assembly has a non-axisymmetric stiffness around a circumference of the bearing support assembly.Type: GrantFiled: December 15, 2021Date of Patent: February 6, 2024Assignee: GENERAL ELECTRIC COMPANYInventors: Prashant Bhujabal, Ravindra Shankar Ganiger, Narayanan Payyoor, Mohankumar Banakar, Weize Kang
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Publication number: 20240035418Abstract: An epicyclic power gear box for a gas turbine engine delivers torque from a low speed shaft to the primary fan. The gear box includes a planet gear and a bearing pin for the planet gear, sun gear and ring gear. The planet gear and bearing pin are arranged so that a clearance between the two is maintained during a takeoff condition for the gas turbine engine.Type: ApplicationFiled: November 4, 2022Publication date: February 1, 2024Applicant: General Electric CompanyInventors: Kedar S. Vaidya, Bugra H. Ertas