Process Patents (Class 60/772)
  • Patent number: 11492970
    Abstract: Systems and methods for operating systems are provided. For example, a system comprises a coolant flowpath having a coolant flowing therethrough, a cooling system for cooling the coolant disposed along the coolant flowpath, a fuel flowpath having a fuel flowing therethrough, a heat exchanger fluidly connected to the coolant flowpath and the fuel flowpath for heat transfer between the coolant and the fuel to cool the fuel, and a fuel tank for accumulating the cooled fuel. The fuel is in thermal communication with a first thermal load to cool the load. An exemplary method comprises flowing a heat exchange fluid along a flowpath; flowing a fuel along a fuel flowpath including a fuel tank; passing both the heat exchange fluid and fuel through a heat exchanger to cool the fuel; and controlling the fuel flow from the heat exchanger to the fuel tank for accumulation of the cooled fuel.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: November 8, 2022
    Assignee: General Electric Company
    Inventor: Jeffrey Douglas Rambo
  • Patent number: 11448141
    Abstract: The method and system are for implementing the method so as to alleviate the disadvantages of a reciprocating combustion engine and gas turbine when generating power. A combustion chamber is arranged outside a turbine and provides compressed air from a turbocharger powered with a heat source in order to carry out a combustion process supplemented with high pressure steam pulses.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: September 20, 2022
    Assignee: Finno Exergy Oy
    Inventors: Timo Eramaa, Heikki Salminen
  • Patent number: 11439951
    Abstract: A control system for a vehicle having a CO2 capturing device configured to capture CO2 certainly from gas streams. The CO2 captured by the CO2 capturing device is desorbed from the CO2 capturing device by an energy available in the vehicle. A controller is configured to discharge the CO2 captured by the CO2 capturing device into the recovery station by energy delivered from the recovery station to the CO2 capturing device when the energy available in the vehicle is less than a predetermined value.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: September 13, 2022
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Kouseki Sugiyama, Jun Miyagawa, Daiki Yokoyama
  • Patent number: 11428409
    Abstract: A combustor includes: a fuel nozzle for injecting fuel; a combustion liner surrounding a combustion space for combusting the fuel and having an internal passage having an outlet communicating with the combustion space; and an air-fuel mixture line, connected to an inlet of the internal passage of the combustion liner, for introducing an air-fuel mixture containing the fuel and compressed air to the internal passage. The combustion liner is configured to be cooled by the air-fuel mixture flowing through the internal passage.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: August 30, 2022
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Kei Inoue, Keijiro Saito, Yuichi Ichikawa
  • Patent number: 11396825
    Abstract: A turbine diagnostic machine learning system builds one or more turbine engine performance models using one or more parameter or parameter characteristics. A model of turbine engine performance includes ranked parameters or parameter characteristics, the ranking of which is calculated by a model builder based upon a function of AIC, AUC and p-value, resulting in a corresponding importance rank. These raw parameters and raw parameter characteristics are then sorted according to their importance rank, and selected by a selection component to form one or more completed models. The one or more models are operatively coupled to one or more other models to facilitate further machine learning capabilities by the system.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: July 26, 2022
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Anurag Agarwal, Rajesh Alla, Frank Gruber, Lorenzo Escriche
  • Patent number: 11359503
    Abstract: A gas turbine engine includes a rotor carrying a blade, a ceramic vane adjacent the blade, a seal carried on the rotor adjacent the tip of the ceramic vane, and a cooling passage circuit extending through the blade, the seal, and the ceramic vane. The cooling passage circuit is configured to provide cooling air into the blade, then from the blade into the seal, and then from the seal into the ceramic vane.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: June 14, 2022
    Assignee: AYTHEON TECHNOLOGIES CORPORATION
    Inventor: Mark F. Zelesky
  • Patent number: 11339719
    Abstract: An assembly is provided for rotational equipment. This assembly includes a first component, a static structure, a guide rail and a second component. The static structure includes a static structure fluid passage. The guide rail is mounted to the static structure. The guide rail includes a guide rail fluid passage and a nozzle. The guide rail fluid passage fluidly couples the static structure fluid passage to a nozzle orifice of the nozzle. The nozzle is configured to direct fluid onto the first component through the nozzle orifice. The second component is mated with and configured to translate along the guide rail.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: May 24, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Benjamin Nasman, Michael M. Davis
  • Patent number: 11326974
    Abstract: In a canister horizontally installed and housed inside a concrete silo, at least two temperatures out of a temperature TB at a canister bottom portion to be one end portion in a lateral direction in a horizontally-installed attitude, a temperature TSB at a canister side surface lower portion located below a horizontal plane passing through a center of the canister, a temperature TT at a canister lid portion to be the other end portion in the lateral direction, and a temperature TST at a canister side surface upper portion located above the horizontal plane passing through the center of the canister are monitored, and occurrence of leakage of an inert gas inside the canister is detected when there is a change in a temperature difference between the at least two temperatures.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: May 10, 2022
    Inventor: Hirofumi Takeda
  • Patent number: 11319882
    Abstract: A gas turbine engine includes a generator that is configured to be driven by a turbine section, an electric motor that is configured to receive at least a portion of electric power from the generator, a gearbox that is mechanically coupled to both the electric motor and the generator, and a control system that has an operational amplifier that is configured to synchronize operation of the electric motor and the generator. The operational amplifier electrically couples the electric motor to the generator and is configured to define an electrical gain that matches a mechanical gain that is defined by the gearbox.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: May 3, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Daniel Bernard Kupratis, Coy Bruce Wood, Ramesh Rajagopalan, Zubair Ahmed Baig
  • Patent number: 11306656
    Abstract: A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a passageway configured to permit fluid to drain back into a bearing compartment. The passageway has an inlet outside the bearing compartment and an outlet inside the bearing compartment. The outlet is spaced-apart from a central rotational axis of a towershaft gear.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: April 19, 2022
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Todd A. Davis, Reade W. James, Peter T. Schutte, Juan Jimenez
  • Patent number: 11300010
    Abstract: This cooling equipment comprises: a refrigerant supply line (81) supplying, to a condenser (6), a condenser refrigerant which cools steam (Sb) that has driven a steam turbine (5), to return the steam (Sb) to water (W); and a cooling part (80) which is disposed on the refrigerant supply line (81), and performs heat exchange between liquefied gas used as fuel for a gas turbine (2) and the condenser refrigerant to heat and vaporize the liquefied gas and to cool the condenser refrigerant at the same time.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: April 12, 2022
    Assignee: MITSUBISHI POWER, LTD.
    Inventor: Kazunori Fujita
  • Patent number: 11299994
    Abstract: A first-stage stator vane for a gas turbine includes: a first portion partially defining an airfoil which includes a pressure surface, a suction surface, and a trailing edge; and a second portion positioned at a leading-edge side of the airfoil with respect to the first portion, the second portion having a recess portion or a protruding portion. The recess portion or the protruding portion has a pair of side wall surfaces, and an angle formed between the pair of side wall surfaces is less than 90 angular degrees.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: April 12, 2022
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Kentaro Tokuyama, Kenji Sato, Keisuke Matsuyama, Takaya Koda, Shunsuke Torii, Tetsuya Shimmyo, Shinya Hashimoto, Akihiro Murakami
  • Patent number: 11293691
    Abstract: Devices, systems, and methods for liquefied natural gas production facilities are disclosed herein. A liquefied natural gas (LNG) production facility includes a liquefaction unit and a gas turbine. The liquefaction unit condenses natural gas vapor into liquefied natural gas. Fuel to the gas turbine contains at least about 90% hydrogen by volume.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: April 5, 2022
    Assignee: NEXT CARBON SOLUTIONS, LLC
    Inventors: Ivan Van der Walt, Ben Heichelbech, Alex Thompson, Vikrum Subra, Victor Fernandes, Michael Abegg
  • Patent number: 11293349
    Abstract: A turbomachine for an aircraft, comprising a thermoacoustic system associated with a fluid circuit that serves to supply the engine of the turbomachine with fluid. The thermoacoustic system comprises an exchanger which is connected to the fluid circuit and in which there flows a fluid that is to be cooled, an acoustic attenuation structure which is distinct from the exchanger and which forms all or part of a wall of the fan duct, and at least one heat-duct tube comprising a portion that is entirely received in the acoustic structure and a portion with an end that is received in the exchanger, and a single curved elbow with a non-zero angle between the two portions.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: April 5, 2022
    Assignee: AIRBUS OPERATIONS SAS
    Inventors: Thomas Livebardon, Maxime Zebian
  • Patent number: 11286054
    Abstract: A propulsion system for an aircraft is disclosed, and includes a first propeller, a second propeller, a first hybrid propulsion system, a second hybrid propulsion system, and a cross-connecting clutch. The first hybrid propulsion system includes a first motor coupled to a first engine by a first overrunning clutch, where the first hybrid propulsion system is operably coupled to drive the first propeller. The second hybrid propulsion system includes a second motor coupled to a second engine by a second overrunning clutch, where the second hybrid propulsion system is operably coupled to drive the second propeller. The cross-connecting clutch is operably coupled to both the first hybrid propulsion system and the second hybrid propulsion system and configured to actuate into an engaged position.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: March 29, 2022
    Assignee: The Boeing Company
    Inventor: Michael Thomas Fox
  • Patent number: 11286851
    Abstract: A gas turbine engine configured to combust, by means of a combustor, a compressed air obtained through compression by a compressor, and drive a turbine with use of high-temperature and high-pressure combustion gas generated by the combustion, the gas turbine engine including: a plurality of air passages through which different portions in the gas turbine engine communicate with one another; and a switching device configured to switch air flow paths between the plurality of air passages, wherein the plurality of air passages are each formed by an air pipe disposed outside a compressor casing, and the switching device is mounted to an outer surface of the compressor casing via a heat insulation member.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: March 29, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Satoshi Nakayama, Akihisa Oka, Hiroki Seike
  • Patent number: 11280232
    Abstract: Methods and Systems for monitoring an engine fluid level in a fluid recipient are described. In one example, the method comprises, during a fluid replenishing procedure, detecting when the fluid level reaches a level associated with the recipient being full; in response to the detecting, triggering a timer corresponding to a predetermined number of operating hours of the engine based on a fluid volume capacity of the fluid recipient; when the timer expires, verifying the fluid level; and issuing a first alert signal when the fluid level is at the level associated with the recipient being full and the timer has expired.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: March 22, 2022
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventors: Tatjana Pekovic, John Correia, Robert Pontarelli, Andre Ip
  • Patent number: 11261107
    Abstract: Disclosed techniques include desalination using pressure vessels. Access to a set of at least three pressure vessels is obtained. The pressure vessels are interconnected using piping and computer-controlled switching valves. A first pressure vessel of the set is filled with a prepurified liquid. A second pressure vessel of the set is filled with a pressurized gas. The pressurized gas is sharp interface immiscible with the prepurified liquid. The switching valves are controlled to enable the pressurized gas in the second pressure vessel to force the prepurified liquid from the first pressure vessel into a reverse osmosis chamber. The switching valves are controlled to enable a third pressure vessel of the set to fill with additional prepurified liquid. The switching valves are controlled to enable the pressurized gas that entered the first pressure vessel to force the additional prepurified liquid from the third pressure vessel into the reverse osmosis chamber.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: March 1, 2022
    Assignee: Energy Internet Corporation
    Inventors: Shankar Ramamurthy, Shankar Nataraj
  • Patent number: 11255200
    Abstract: A method of treating a component adapted for use in a gas turbine engine is described herein. The component may comprise ceramic matrix composite materials. The treatment to the ceramic matrix composite component may reduce or eliminate the wear or damage of crack propagation in the ceramic matrix composite component.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: February 22, 2022
    Assignees: Rolls-Royce High Temperature Composites Inc.
    Inventors: Michael J. Whittle, Louise J. Gale, Stephan J. Pattison, Anthony G. Razzell, Ian M. Edmonds, Michael G. Abbott
  • Patent number: 11255544
    Abstract: A rotating detonation combustion (RDC) system is provided. The RDC includes a first outer wall and a second outer wall each extended around a centerline axis, and a detonation chamber formed radially inward of the second outer wall. A fuel passage extended between the first outer wall and the second outer wall, the fuel passage including a first inlet opening proximate to the aft end through which a flow of fuel is received into the fuel passage. The flow of fuel is provided through the fuel passage from the aft end to the forward end of the RDC system and to the detonation chamber.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: February 22, 2022
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Thomas Earl Dyson, Thomas Michael Lavertu, Sarah Marie Monahan, Kapil Kumar Singh, Venkat Eswarlu Tangirala, Joel Meier Haynes
  • Patent number: 11215067
    Abstract: A vehicle power generation system including: a first solenoid spool valve; a second solenoid spool valve; a first poppet valve fluidly connected to a high pressure inlet; a second poppet valve fluidly connected to the first solenoid spool valve and the first poppet valve; a third poppet valve fluidly connected to the second solenoid spool valve, the first poppet valve, and an impulse turbine; and a fourth poppet valve fluidly connected to the second solenoid spool valve, the second poppet valve, and the impulse turbine.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: January 4, 2022
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Zachary J. Delong
  • Patent number: 11208949
    Abstract: The present invention is a system, method and computer program for operating a land-or marine-based multi-spool gas turbine system for generating electrical power to supply a load, wherein the system comprises a multi-spool gas turbine engine, and the method comprises controlling the rotational speeds of the at least two generators independently of each other so as to directly control the rotational speeds of the shafts of the spools, the at last two generators being operable to generate electrical current to supply the load, and regulating the amount of heat generated the first heat generating equipment. A computer program to perform the method is also disclosed.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: December 28, 2021
    Assignee: AURELIA TURBINES OY
    Inventors: Matti Malkamäki, Ahti Jaatinen-Värri, Jari Backman, Juha Honkatukia
  • Patent number: 11204166
    Abstract: A burner of a turbomachine, particularly a gas turbine engine, has at least one burner section having an annular wall surrounding a respective section of a burner interior, the annular wall including: an annular inner surface delimiting the burner interior, and a plurality of dampening cavities for the dampening of thermo-acoustic vibrations in the burner interior, each dampening cavity being connected to the annular inner surface through at least a dampening hole. A method of manufacturing such a burner includes additive manufacturing of the annular wall as an integrally formed component, or additive manufacturing of the upstream burner section, wherein the intermediate burner section and the downstream burner section as integrally formed component.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: December 21, 2021
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventors: Jan-Erik Lundgren, Jan Pettersson
  • Patent number: 11203446
    Abstract: The present invention discloses a method for fault diagnosis of the sensors and actuators of an aero-engine based on LFT, and belongs to the field of fault diagnosis of aero-engines. The method comprises: establishing an aero-engine state space model using a combination of a small perturbation method and a linear fitting method; establishing an affine parameter-dependent linear-parameter-varying (LPV) model of the aero-engine based on the model; converting the LPV model of the aero-engine having perturbation signals and sensor and actuator fault signals into a linear fractional transformation (LFT) structure to obtain an synthesis framework of an LPV fault estimator; solving a set of linear matrix inequalities (LMIs) to obtain the solution conditions of the fault estimator; and designing the fault estimator in combination with the LFT structure to realize fault diagnosis of the sensors and actuators of an aero-engine.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: December 21, 2021
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Yanhua Ma, Xian Du, Rui Wang, Min Liu, Ximing Sun
  • Patent number: 11187156
    Abstract: A combustion engine includes a combustion section; a fuel delivery system for providing a fuel flow to the combustion section, the fuel delivery system including an oxygen reduction unit for reducing an oxygen content of the fuel flow; a thermal management system including a heat sink heat exchanger, the heat sink heat exchanger in thermal communication with the fuel delivery system at a location downstream of the oxygen reduction unit; and a control system including a sensor operable with the fuel delivery system for sensing data indicative of an operability of the oxygen reduction unit and a controller operable with the sensor, the controller configured to initiate a corrective action based on the data sensed by the sensor indicative of the operability of the oxygen reduction unit.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: November 30, 2021
    Assignee: General Electric Company
    Inventors: Daniel Alan Niergarth, Sridhar Adibhatla, Brandon Wayne Miller, David William Crall
  • Patent number: 11187152
    Abstract: A sealing arrangement includes a transition duct having an aft frame that circumferentially surrounds the downstream end of the transition duct. The aft frame defines a cooling circuit that has an outlet configured to direct cooling air in a radial direction. A first stage nozzle is spaced apart from the aft frame and defines a gap therebetween. A sealing assembly that extend circumferentially along at least a portion of the aft frame and is coupled to the aft frame. The sealing assembly includes a flexible sealing element that extends from the aft frame, across the gap, to the first stage nozzle. The flexible sealing element is forced into sealing engagement with the first stage nozzle by pressure from a compressed working fluid. A cooling flow director that is disposed between the outlet of the cooling circuit and the flexible sealing element.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: November 30, 2021
    Assignee: General Electric Company
    Inventors: Emily Klara Happ, Lucas John Stoia
  • Patent number: 11174759
    Abstract: The present disclosure relates to systems and methods useful for power production. In particular, a power production cycle utilizing CO2 as a working fluid may be combined with a second cycle wherein a compressed CO2 stream from the power production cycle can be heated and expanded to produce additional power and to provide additional heating to the power production cycle.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: November 16, 2021
    Assignee: 8 Rivers Capital, LLC
    Inventors: Rodney John Allam, Brock Alan Forrest
  • Patent number: 11161694
    Abstract: Methods and systems for thermal energy storage and enhanced oil recovery are described herein. In some embodiments, natural gas may be injected down a well which has been previously hydraulically fractured to store thermal energy and to stimulate the well to greater hydrocarbon production.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: November 2, 2021
    Assignee: Alliance for Sustainable Energy, LLC
    Inventors: Chad Augustine, David Levi Young, Henry Ellis Johnston, Jr.
  • Patent number: 11149577
    Abstract: A device for controlling the clearance between a rotor and a stator surrounding same, which is carried out by modifying the delivery flow carried in a rotor recess in order to provide a bleed flow that prevents the gases from the flow section from penetrating into the recess. A valve can partially close the delivery circuit, thus reducing the cooling of the rotor structure and allowing the expansion thereof and the reduction of the clearance with the stator, for certain operating speeds including cruise operating speeds. In addition, the delivery air is heated more at a lower flow rate, especially if it is made to follow a bypass provided with meanders in the hottest portions of the circuit.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: October 19, 2021
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Baptiste Marie Aubin Pierre Jouy, Laurent Claude Descamps, Bertrand Guillaume Robin Pellaton, Loic Fabien Francois Villard
  • Patent number: 11149592
    Abstract: A composite power generating device of the present invention includes an engine (110), a first flow line (121), a turbocharger (130), a second flow line (122), a third flow line (123), a compressor (211), a first medium line (221), a medium turbine (212), a second medium line (222), a working medium cooler (213), a recuperator (215), a power generating unit (214), a cross-line (233), a first heat exchanger (251), a second heat exchanger (252), and a third heat exchanger (253).
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: October 19, 2021
    Assignee: HYUNDAI HEAVY INDUSTRIES CO., LTD.
    Inventors: Gwang Nyeon Ryu, Jin Ki Ham, Beom Joo Kim, Cheol Hee Lee
  • Patent number: 11136899
    Abstract: A turbine engine includes integrated electric machines in the compressor section and the turbine section to supplement power produced from fuel with electric power. The example compressor section includes a compressor electric motor that is coupled to a compressor generator. The example turbine section includes a turbine electric motor that is coupled to the geared architecture to supplement power driving the fan section. A turbine generator provides electric power to the turbine electric motor.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: October 5, 2021
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Daniel Bernard Kupratis, Zubair Ahmed Baig, Gary Collopy, Coy Bruce Wood
  • Patent number: 11112174
    Abstract: Devices, systems, and methods for liquefied natural gas production facilities are disclosed herein. A liquefied natural gas (LNG) production facility includes a liquefaction unit and a gas turbine. The liquefaction unit condenses natural gas vapor into liquefied natural gas. Fuel to the gas turbine contains at least about 90% hydrogen by volume.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: September 7, 2021
    Assignee: NEXT CARBON SOLUTIONS, LLC
    Inventors: Ivan Van der Walt, Ben Heichelbech, Alex Thompson, Vikrum Subra, Victor Fernandes, Michael Abegg
  • Patent number: 11105269
    Abstract: The present disclosure is directed to a method of control of a gas turbine engine comprising a fan section coupled to a low turbine together defining a low spool, an intermediate compressor coupled to an intermediate turbine together defining an intermediate spool, and a high compressor coupled to a high turbine together defining a high spool. The method includes providing an intermediate spool speed to low spool speed characteristic curve to a controller; providing a commanded power output to the controller; providing one or more of an environmental condition to the controller; determining, via the controller, a commanded fuel flow rate; determining, via the controller, a commanded intermediate compressor loading; and generating an actual power output of the engine, wherein the actual power output is one or more of an actual low spool speed, an actual intermediate spool speed, an actual high spool speed, and an actual engine pressure ratio.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: August 31, 2021
    Assignee: General Electric Company
    Inventors: Thomas Ory Moniz, Alan Roy Stuart, James William Simunek, Jeffrey Donald Clements, Brandon Wayne Miller, Sridhar Adibhatla
  • Patent number: 11091272
    Abstract: An aircraft propulsion system is disclosed and includes a first gas turbine engine including a first input shaft driving a first gear system, a first fan driven by the first gear system, a first generator supported on the first input shaft and a fan drive electric motor providing a drive input to the first fan, a second gas turbine engine including a second input shaft driving a second gear system, a second fan driven by the second gear system, a second generator supported on the second input shaft and a second fan drive electric motor providing a drive input to the second fan and a controller controlling power output from each of the first and second generators and directing the power output between each of the first and second fan drive electric motors.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: August 17, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Daniel Bernard Kupratis, Frederick M. Schwarz, William G. Sheridan, Glenn Levasseur
  • Patent number: 11085336
    Abstract: A method for operating a combined cycle power plant includes transferring exhaust gas from a gas turbine to a heat recovery steam generator. Further, the method includes preheating condensate before being fed as feedwater to the heat recovery steam generator. Moreover, the method includes reheating the feedwater in the heat recovery steam generator. The method also includes generating steam in the heat recovery steam generator for a steam turbine, wherein preheating the condensate includes monitoring a temperature of the condensate: if the temperature of the condensate is equal to or above a preset temperature, directing the condensate to a low-pressure economizer of the heat recovery steam generator; if the temperature of the condensate is lower than the preset temperature: directing a first fluid from an intermediate source of the low-pressure economizer to heat the condensate.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: August 10, 2021
    Assignee: General Electric Company
    Inventors: Mariah Couzzi-Carneiro, Joerg Dietzmann
  • Patent number: 11047264
    Abstract: The present disclosure relates to a power generation system and related methods that use supercritical fluids, whereby a portion of the supercritical fluid is recuperated.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: June 29, 2021
    Assignee: Peregrine Turbine Technologies, LLC
    Inventor: David Scott Stapp
  • Patent number: 11029027
    Abstract: A combustor panel may comprise a dilution hole, a plurality of film cooling holes each of the plurality comprising an inlet and an outlet, a first group of the plurality of film cooling holes arranged circumferentially about the dilution hole, wherein each of film cooling holes of the first group have a first outlet angle oriented radially toward the center of the dilution hole, and a second group of the plurality of film cooling holes arranged radially outward of the first group and relatively circumferentially between the first group.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: June 8, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Scott D. Lewis, James B. Hoke, Jeffrey Jay Lienau
  • Patent number: 10982854
    Abstract: The present disclosure relates to a combustor comprising a plurality of combustion nozzles, a cooling chamber configured to surround the plurality of combustion nozzles, an inner liner configured to surround one end of the cooling chamber and to have a plurality of through-holes formed in a circumferential direction in an end region surrounding the one end, an outer liner configured to surround the inner liner and to be spaced apart from the inner liner at a predetermined interval, and a plurality of protrusions configured to be disposed so as to be spaced apart from each other in the circumferential direction on an outer circumferential surface of the inner liner in the end region, where some of the plurality of protrusions are spaced apart from the outer circumferential surface of the inner liner and overlap with a virtual line connecting the plurality of through-holes in a direction vertical to the outer circumferential surface.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: April 20, 2021
    Inventor: Eunyoung Kim
  • Patent number: 10976052
    Abstract: A combustor assembly is generally provided. The combustor assembly includes a volute wall extended annularly around a combustor centerline. The volute wall is extended at least partially as a spiral curve from a circumferential reference line around the combustor centerline. The volute wall defines a combustion chamber therewithin. An annular inner wall is extended at least partially along a lengthwise direction from the volute wall. An annular outer wall is extended at least partially along the lengthwise direction from the volute wall. The inner wall and the outer wall are each separated along a radial direction from the combustor centerline. A primary flow passage is defined between the inner wall and the outer wall in fluid communication from the combustion chamber.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: April 13, 2021
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Gregory Allen Boardman, Pradeep Naik, Joseph Zelina, Clayton Stuart Cooper
  • Patent number: 10961911
    Abstract: A gas turbine engine includes an engine core having a compressor section, a combustor fluidly connected to the compressor section, and a turbine section fluidly connected to the combustor section. At least one compressor bleed connects a compressor flowpath with a first cooled cooling air path. The first cooled cooling air path includes a supplementary coolant injector connected to a supplementary coolant supply. The cooled cooling air path including a portion exterior to the engine core.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: March 30, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Matthew E. Bintz, Dilip Prasad
  • Patent number: 10955138
    Abstract: A fuel injector for a gas turbine engine of an aircraft having a fuel nozzle including a fuel swirler and/or an outer air swirler. The fuel swirler may include a manifold for receiving fuel from a fuel conduit, and a plurality of fuel passages to direct fuel from the manifold to discharge orifices that direct fuel with swirling flow. The fuel swirler may be configured to provide uniform spray while minimizing recirculation zones; reduce residence time as fuel enters the manifold; minimize flow disruptions, boundary layer growth, and/or pressure drop as fuel flows through the fuel passages; reduces coking internally of the nozzle; reduces thermal stresses; and is simple and low-cost to manufacture.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: March 23, 2021
    Assignee: Parker-Hannifin Corporation
    Inventors: Luther Wirtz, Jeffrey Lehtinen, Adel Mansour, David Tibbs, Robert Pelletier, Jon Stockill
  • Patent number: 10941706
    Abstract: An aeronautical gas turbine engine includes a turbomachine including a compressor section, a combustion section, a turbine section, and an exhaust section in serial flow order. The aeronautical gas turbine engine additionally includes a closed cycle heat engine including a compressor configured to compress a working fluid; a primary heat exchanger in thermal communication with the turbomachine and the working fluid, the primary heat exchanger configured to transfer heat from the turbomachine to the working fluid; an expander coupled to the compressor for expanding the working fluid; and an output shaft driven by the expander.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: March 9, 2021
    Assignee: General Electric Company
    Inventors: Arnab Sen, Brandon Wayne Miller, Bhaskar Nanda Mondal, Kishanjit Pal, Daniel Alan Niergarth
  • Patent number: 10934888
    Abstract: Disclosed is a lubricant supply system for a plurality of bearing dampers in a plurality of engine bearing compartments of a gas turbine engine, including a lubricant supply conduit, a first lubricant delivery conduit fluidly coupled to the supply conduit, the first delivery conduit including one or more lubricant delivery flow paths and delivering lubrication to engine components, a second lubricant delivery conduit fluidly coupled to the supply conduit, the second delivery conduit delivering lubricant to one or more of the plurality of bearing dampers, and an active oil flow management valve, selectively restricting lubricant flow in the first delivery conduit, increasing pressure in the second delivery conduit, based on an engine shaft rotational speed.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: March 2, 2021
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Thomas Bruce Avis, Francis Parnin, Michael Dreher, James S. Elder
  • Patent number: 10926883
    Abstract: An aircraft includes a first engine that generates first bleed air flow and a second engine that generates second bleed air flow. The aircraft further includes an aircraft environmental control system (ECS) with a bleed manifold to collect the first bleed air flow and the second bleed air flow, and one or more air cycle machines to perform air conditioning consuming bleed air flow from the bleed manifold. The ECS balances the first bleed air flow and the second bleed air flow output from the first engine and second engine, respectively, based on a bleed manifold pressure of the bleed manifold.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: February 23, 2021
    Assignee: HAMILTON SUNSTRAND CORPORATION
    Inventors: Jeffry K. Kamenetz, Erin G. Kline, Jeffrey Ernst, James Joyce, Kevin R. DeRoy
  • Patent number: 10927713
    Abstract: An intake air cooling device includes a water supply line and a heat pump device. The water supply line is configured to send water to a waste heat recovery boiler which is configured to generate steam using heat of an exhaust gas from a gas turbine. The heat pump device is configured to transfer heat of air suctioned by the gas turbine to water flowing through the water supply line and thereby cool the air while heating the water.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: February 23, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hideyuki Uechi, Eisaku Ito, Hideaki Sugishita, Naoki Hisada
  • Patent number: 10920984
    Abstract: A fuel injector for a gas turbine engine of an aircraft having a fuel nozzle including a fuel swirler and/or an outer air swirler. The fuel swirler may include a manifold for receiving fuel from a fuel conduit, and a plurality of fuel passages to direct fuel from the manifold to discharge orifices that direct fuel with swirling flow. The fuel swirler may be configured to provide uniform spray while minimizing recirculation zones; reduce residence time as fuel enters the manifold; minimize flow disruptions, boundary layer growth, and/or pressure drop as fuel flows through the fuel passages; reduces coking internally of the nozzle; reduces thermal stresses; and is simple and low-cost to manufacture.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: February 16, 2021
    Assignee: Parker-Hannifin Corporation
    Inventors: Luther Wirtz, Jeffrey Lehtinen, Adel Mansour, David Tibbs, Robert Pelletier, Jon Stockill
  • Patent number: 10914200
    Abstract: A CCPP includes a gas turbine, a HRSG, a steam turbine a flash tank and first and second supply lines. The gas turbine, the HRSG and the steam turbine are interconnected to generate power. The gas turbine may include an air preheating system to preheat the air supplied in the gas turbine to enable expedite combustion therein. The flash tank is fluidically connected at a cold end of the HRSG to extract waste hot water from the cold end. Further, the first supply line is configured to interconnect the flash tank and the steam turbine to supply of flash steam to the steam turbine. Furthermore, the second supply line is configured to interconnect the flash tank and the air preheating system to supply hot flash condensate thereto.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: February 9, 2021
    Assignee: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventors: Klara Berg, Mariah Couzzi-Carneiro, Paul Drouvot, Torbjörn Stenström
  • Patent number: 10909450
    Abstract: A processing unit can determine a first feature value corresponding to a session by operating a first network computational model (NCM) based part on information of the session. The processing unit can determine respective second feature values corresponding to individual actions of a plurality of actions by operating a second NCM. The second NCM can use a common set of parameters in determining the second feature values. The processing unit can determine respective expectation values of some of the actions of the plurality of actions based on the first feature value and the respective second feature values. The processing unit can select a first action of the plurality of actions based on at least one of the expectation values. In some examples, the processing unit can operate an NCM to determine expectation values based on information of a session and information of respective actions.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: February 2, 2021
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Jianshu Chen, Li Deng, Jianfeng Gao, Xiadong He, Lihong Li, Ji He, Mari Ostendorf
  • Patent number: 10894230
    Abstract: The CO2 separation system performs, when the internal combustion engine is operating and the vehicle is travelling, a first mode wherein exhaust gas generated by the internal combustion engine is introduced to a CO2 supply side of a first CO2 separation device via a first CO2 supply side introduction flow path, and air from outside the vehicle is introduced to a CO2 permeation side of the first CO2 separation device via a first CO2 permeation side introduction flow path using travelling wind, whereby CO2 in the exhaust gas selectively permeates from the CO2 supply side to the CO2 permeation side of the first CO2 separation device through a CO2 permeable membrane of the first CO2 separation device using a difference in CO2 partial pressure between the CO2 supply side and the CO2 permeation side of the first CO2 separation device as a driving force.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: January 19, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Kouseki Sugiyama
  • Patent number: 10883414
    Abstract: An engine assembly including an engine core including at least one internal combustion engine each including a rotor sealingly and rotationally received within a respective internal cavity to provide rotating chambers of variable volume in the respective internal cavity, a compressor having an outlet in fluid communication with an inlet of the engine core, a first intake conduit in fluid communication with an inlet of the compressor and with a first source of air, a second intake conduit in fluid communication with the inlet of the compressor and with a second source of air warmer than the first source of air, and a selector valve configurable to selectively open and close at least the fluid communication between the inlet of the compressor and the first intake conduit. A method of supplying air to a compressor is also discussed.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: January 5, 2021
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventors: Jean Thomassin, Sebastien Bolduc, Bruno Villeneuve, Stephane Berube, Mike Fontaine, David Gagnon-Martin, Andre Julien, Mark Cunningham, Serge Lafortune, Pierre-Yves Legare