Different Fluids Patents (Class 60/39.19)
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Patent number: 11859539Abstract: An aircraft propulsion system and computing system are provided. The propulsion system includes a low pressure (LP) spool and a core engine having a high pressure (HP) spool. A frame is positioned in serial flow arrangement between an HP turbine and an LP turbine. The frame includes an inter-turbine burner including a strut forming an outlet opening into a core flowpath of the propulsion system. A first fuel system is configured to flow a liquid fuel to a combustion section for generating first combustion gases. A second fuel system is configured to flow a gaseous fuel to the core flowpath via the inter-turbine burner for generating second combustion gases. The propulsion system forms a rated power output ratio of the core engine and the inter-turbine burner with the LP spool between 1.5 and 5.7.Type: GrantFiled: February 1, 2021Date of Patent: January 2, 2024Assignee: General Electric CompanyInventor: Jeffrey Douglas Rambo
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Patent number: 11761354Abstract: Electrical/mechanical power is derived from oxycombustion of hydrocarbons, preferably LNG, in a first of two nested cycles each operating on a Brayton cycle to provide a source of power, without mixing of working fluids between the two cycles. Each cycle employs CO2 as a working fluid, the first cycle operating under low pressure conditions in which CO2 is sub-critical, and the other cycle operating under higher pressure conditions in which CO2 is supercritical. The first cycle serves as a source of heat for the second cycle by gas/gas heat exchange which cools the products of combustion and circulating working fluid in the first cycle and heats working fluid in the second cycle.Type: GrantFiled: January 14, 2022Date of Patent: September 19, 2023Assignee: CEOX TECHNOLOGIES LTDInventor: Mirza S. Akhtar
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Patent number: 11732651Abstract: A power plant comprises a combustor for combusting first and second constituents to generate a gas stream, a turbine for rotation by the gas stream, a compressor to receive a first portion of the gas stream and provide compressed gas to the combustor, a recompressor configured to receive a second portion of the gas stream and provide compressed gas to the combustor, a generator to be driven by the turbine, and a methane reforming reactor configured to dry reform methane to provide the first constituent. A method of operating a power plant comprises operating a supercritical CO2 power cycle to turn a turbine, driving a generator with the turbine, extracting CO2 byproduct from the power cycle, reacting fuel and CO2 to produce a synthesis gas in a dry reforming of methane reactor, and mixing the synthesis gas with oxygen to execute a combustion process for the power cycle.Type: GrantFiled: March 8, 2021Date of Patent: August 22, 2023Assignee: Mitsubishi Power Americas, Inc.Inventor: Shimin Deng
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Patent number: 10436114Abstract: A gas turbine engine has a combustor supported in a gas generator case. A baffle apparatus is attached to the gas generator case, surrounding an upstream section of the combustor to create at least one passage for directing an air flow discharged from a compressor diffuser to pass therethrough for cooling the combustor. The at least one passage extends from an upstream end of the combustor and has a passage exit immediately upstream of a dilution hole in the combustor. The baffle apparatus is configured to increase a velocity of the air flow entering the at least one passage and passing over the combustor.Type: GrantFiled: August 26, 2015Date of Patent: October 8, 2019Assignee: PRATT & WHITNEY CANADA CORP.Inventors: Bhawan B. Patel, Oleg Morenko
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Patent number: 10352470Abstract: A control valve and an air starting system for an engine having a pressurized air source, an air starter, and a control valve. The control valve having a housing defining a flow passage with an inlet port fluidly coupled to the pressurized air source and an outlet port fluidly coupled to the air starter, a valve body movable between an opened and closed positions to selectively open and close one of the inlet and outlet ports, resulting in a corresponding opening and closing of the control valve, and a linear motor operably coupled to the valve body to move the valve body between the opened and closed positions.Type: GrantFiled: November 17, 2015Date of Patent: July 16, 2019Assignee: GE Aviation Systems LLCInventors: Marc David Zinger, James Thomas Zalusky, Eric Sidney Roslund
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Patent number: 9650953Abstract: A gas turbine is provided and includes a compressor, which via an air intake inducts and compresses air; a combustion chamber, in which a fuel is combusted using the compressed air, producing a hot gas; and a turbine, equipped with turbine blades, in which the hot gas is expanded, performing work. A first device is provided in order to cool turbine blades with compressed cooling air. The first device includes at least one separate compressor stage which produces compressed cooling air independently of the compressor.Type: GrantFiled: September 5, 2012Date of Patent: May 16, 2017Assignee: ANSALDO ENERGIA IP UK LIMITEDInventors: Bjoern Veith, Carlos Simon-Delgado, Daniel Seng, Andreas Haubitz
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Patent number: 8959885Abstract: A heat recovery system for use with a gasification system is provided. One system includes a gasification system and an organic Rankine cycle system coupled to the gasification system. The organic Rankine cycle system is configured to receive heated fluid from the gasification system and to deliver cooled fluid to the gasification system. The organic Rankine cycle system is configured to produce power by converting heat energy in the heated fluid.Type: GrantFiled: August 22, 2011Date of Patent: February 24, 2015Assignee: General Electric CompanyInventors: Ganesh Prasadh Kidambi, Atul Kumar Vij, Priyanandini Balasubramanian, Ronald Frederick Tyree
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Publication number: 20140283498Abstract: The gas turbine system (GT) includes a combustor (2) having a fuel injection nozzle assembly (4) for jetting hydrogen gas (H) and pure water (W), a reservoir (12) for pooling the pure water (W) to be supplied to the combustor (2), a gas compressing device (10) for boosting the hydrogen gas (H) to be supplied to the combustor (2), a fuel supply passage (6) for guiding the boosted hydrogen gas (H) towards the combustor (2), and a pressurizing passage (16) communicating between the reservoir (12) and the fuel supply passage (6) for pressurizing the pure water (W) by means of the boosted hydrogen gas (H).Type: ApplicationFiled: October 29, 2012Publication date: September 25, 2014Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Atsushi Horikawa, Masahide Kazari, Hiroyuki Kashihara, Junichi Kitajima
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Publication number: 20140182264Abstract: A gas turbine propulsion system includes a system which utilizes a cryogenic liquid fuel for a non-combustion function.Type: ApplicationFiled: September 30, 2011Publication date: July 3, 2014Applicant: General Electric CompanyInventors: Robert Harold Weisgerber, Kurt David Murrow, Michael Jay Epstein, Nicholas Dinsmore, Samuel Jacob Martin, Randy M. Vondrell, Christopher Thompson, Craig Gonyou
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Publication number: 20140033732Abstract: The method and the apparatus described are used for generating electrical energy in a combined system comprising a power plant and a low-temperature air separation unit. A feed air stream is compressed in a main air compressor, cooled, and introduced into a distillation column system having a high-pressure column and a low-pressure column. A first oxygen-enriched stream from the distillation column system is introduced into the power plant. In a first operating mode, cryogenic liquid from the distillation column system is introduced into a liquid tank and is stored there at least in part. In a second operating mode, stored cryogenic liquid is removed from the liquid tank and introduced into the distillation column system. A second process fluid from the distillation column system is heated and then actively depressurized in a hot expansion turbine.Type: ApplicationFiled: April 3, 2013Publication date: February 6, 2014Applicant: Linde AktiengesellschaftInventor: Dimitri GOLOUBEV
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Publication number: 20140026587Abstract: Exemplary embodiments relate to a method and system for transient operating of a gas turbine. Operation of the gas turbine the controller determines command values for an inlet air mass flow, fuel mass flow, and for a water or steam mass flow. In order to allow fast transient operation with a stable premix flame at least one command value is dynamically compensated to compensate for the different system dynamics of the supply systems to synchronize the resulting changes in fuel, water, steam, and/or combustion air mass flows, which reach the combustor, so that the fuel to air ratio stays within the combustible limit.Type: ApplicationFiled: September 10, 2012Publication date: January 30, 2014Applicant: ALSTOM Technology LtdInventor: Xiao-Yi ZHANG
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Patent number: 8631639Abstract: A turbine power generation system with enhanced cooling provided by a stream of carbon dioxide from a carbon dioxide source and a method of using a stream of carbon dioxide to cool hot gas path components. The turbine power generating system includes a compressor, a combustor, a turbine, a generator, and at least one shaft linking the compressor and turbine and generator together such that mechanical energy produced from the turbine is used to drive the compressor and the generator. Carbon dioxide that is sequestered from the exhaust of the turbine may be stored and injected back into the turbine to cool hot gas path components of the turbine.Type: GrantFiled: March 30, 2009Date of Patent: January 21, 2014Assignee: General Electric CompanyInventors: Andres Garcia-Crespo, Lewis Berkley Davis, Jr., George Martin Gilchrist, III, Amit Toprani
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Publication number: 20140007553Abstract: A turbomachine is provided and includes a combustor in which a first compressed air is combustible along with fuel and which is receptive of water. The water is provided to the combustor subsequent to the water being used to cool a second compressed air, and the water is used to cool the second compressed air prior to the second compressed air being used to atomize the fuel.Type: ApplicationFiled: June 26, 2012Publication date: January 9, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Sudhahar Rajan, Joseph John, Manikandan Thiyagarajan
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Publication number: 20140000273Abstract: Systems, methods, and apparatus are provided for controlling the oxidant feed in low emission turbine systems to maintain stoichiometric or substantially stoichiometric combustion conditions. In one or more embodiments, such control is achieved through methods or systems that ensure delivery of a consistent mass flow rate of oxidant to the combustion chamber.Type: ApplicationFiled: March 5, 2012Publication date: January 2, 2014Inventors: Franklin F. Mittricker, Richard A. Huntington, Loren K. Starcher, Sulabh K. Dhanuka, Omar Angus Sites
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Patent number: 8613186Abstract: Provided in one embodiment is a two-shaft gas turbine that exhibits improved reliability, output power, and efficiency. The turbine operates stably by establishing a balance between the driving force of a compressor and the output power of a high-pressure turbine in the case where the two-shaft gas turbine is applied to a system, in which the flow rate of a fluid flowing into a combustor is higher than a simple cycle gas turbine. A portion of the fluid driving the high-pressure turbine is allowed to flow not into the high-pressure turbine but into a low-pressure turbine.Type: GrantFiled: May 15, 2009Date of Patent: December 24, 2013Assignee: Hitachi, Ltd.Inventors: Tomomi Koganezawa, Shinichi Higuchi, Yasuo Takahashi, Ryo Akiyama, Shinya Marushima
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Patent number: 8595954Abstract: A clothes treating apparatus includes a drum, an air suction unit forming a flow path of air introduced into the drum, an air exhaustion unit forming a flow path of air exhausted from the drum, a condenser heating air sucked into the drum through the air suction unit, an evaporator cooling air exhausted from the drum through the air exhaustion unit, a compressor compressing refrigerant introduced from the evaporator, and a variable expander expanding a refrigerant introduced from the condenser, and having a variable open degree. An operation method includes measuring a temperature of a refrigerant into the evaporator, and a temperature of a refrigerant into the compressor, and decreasing an open degree of the variable expander when a temperature difference between the two measured temperatures is less than a predetermined first value.Type: GrantFiled: September 28, 2011Date of Patent: December 3, 2013Assignee: LG Electronics Inc.Inventors: Hyuksoo Lee, Sungmin Ye, Byeongjo Ryoo
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Patent number: 8528314Abstract: A combined cycle power plant startup system is provided. The system includes a steam turbine, a HRSG, a condenser, and a bypass system. The steam turbine may include a turbine section. The HRSG may be operably connected to the steam turbine for providing steam to the steam turbine. The HRSG may include a reheater. The bypass system may be configured to adjust the steam pressure downstream of the reheater by routing steam downstream of the reheater to the condenser. The bypass system may include at least one bypass line, at least one control valve operably connected to the at least one bypass line, a pressure gauge configured to monitor the steam pressure downstream of the reheater, and a controller configured to communicate with the pressure gauge and operate the at least one control valve.Type: GrantFiled: February 2, 2010Date of Patent: September 10, 2013Assignee: General Electric CompanyInventors: Leslie Yung-Min Tong, Diego Fernando Rancruel, Tailai Hu, Joel Donnell Holt
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Patent number: 8479488Abstract: A gas turbine includes a compressor with a plurality of pressure plates, a combustor downstream from the compressor, and a turbine downstream from the combustor and axially aligned with the compressor. The combustor produces combustion gases that flow to the turbine. A first manifold connected to the combustor contains a first process gas for combustion in the combustor. A second manifold connected upstream of the turbine contains a second process gas, and a portion of the second process gas flows to the plurality of pressure plates.Type: GrantFiled: July 27, 2009Date of Patent: July 9, 2013Assignee: General Electric CompanyInventors: Amit Surendra Toprani, Samuel David Draper
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Publication number: 20130147196Abstract: A solar tower (1) has a solar radiation receiver (4) and a gas turbine engine (2). The gas turbine engine (2) is vertically arranged within the tower and includes, in downward flow series: a compressor (3) for compressing ambient air (15) drawn through at least one air inlet at an upper end of the tower, a heating arrangement (4) for heating compressed air from the compressor, the solar radiation receiver includes at least part of the heating arrangement, and a turbine (5) for extracting work from the heated compressed air. The gas turbine engine (2) is integrally formed with the solar tower (1) and the gas heating arrangement of the gas turbine engine (2) is integrally formed with the solar radiation receiver (4).Type: ApplicationFiled: February 4, 2013Publication date: June 13, 2013Applicant: ALSTOM TECHNOLOGY LTD.Inventor: Alstom Technology Ltd.
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Publication number: 20120186219Abstract: The present invention generally relates to power generation methods and secondary processes yielding a supply of carbon dioxide. In one embodiment, the present invention relates to a supercritical carbon dioxide cycle power generator utilizing at least a portion of waste heat from the secondary process that also provides at least a portion of carbon dioxide within the supercritical carbon dioxide cycle.Type: ApplicationFiled: January 22, 2012Publication date: July 26, 2012Inventor: Michael Gurin
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Publication number: 20120159922Abstract: The present invention generally relates to power generation methods and secondary processes requiring high radiant and emissivity homogeneous combustion to maximize production output. In one embodiment, the present invention relates to a top cycle power generator with combustion exhaust modified to have radiant flux in excess of 500 kW per square meter and emissivity greater than 0.90, and supercritical CO2 power generating cycle to maximize exergy efficiency.Type: ApplicationFiled: December 23, 2011Publication date: June 28, 2012Inventor: Michael Gurin
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Publication number: 20120144837Abstract: Methods and systems for oxyfuel based low emission power generation in hydrocarbon recovery processes are provided. One system includes a plenum and is configured to encourage post-combustor conversion of gaseous components such that a desired chemical state is achieved. Another system includes a steam reformer for reforming a control fuel stream to generate a reformed control fuel stream characterized by an increase in hydrogen, as compared to the control fuel stream.Type: ApplicationFiled: July 9, 2010Publication date: June 14, 2012Inventors: Chad Rasmussen, Richard A. Huntington, Dennis O'Dea, Franklin F. Mittricker, Frank Hershkowitz
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Publication number: 20120067057Abstract: An intake air temperature control device including a heat exchanger is provided. The heat exchanger is connected at one side into an intake air line and is connected at the other side into a circuit of an intake air preheating system, wherein a store for a fluid for heat transfer may be thermally connected to the circuit. A method for operating an intake air temperature control device is also provided.Type: ApplicationFiled: May 25, 2010Publication date: March 22, 2012Inventors: Daniel Hofmann, Erich Schmid, Michael Schöttler
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Publication number: 20110219780Abstract: Fuel is oxidized with air in a pressurized reaction chamber containing water. Water, fuel, or both may be communicated into the reaction chamber in a gaseous state, a liquid state, or both. For example, a liquid mixture that includes the water and/or the fuel can be evaporated to form a gas mixture, and the gas mixture can be communicated into the reaction chamber. Additionally or alternatively, the liquid mixture that includes the water and/or the fuel can be communicated into the reaction chamber and evaporated in the reaction chamber. The water and the fuel may be communicated into the reaction chamber separately or in combination.Type: ApplicationFiled: March 15, 2011Publication date: September 15, 2011Applicant: FlexEnergy, Inc.Inventor: Edan D. PRABHU
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Publication number: 20110185742Abstract: A solar hybrid combined cycle gas-steam power plant and method including a solar unit, a gas turbine unit and a steam turbine unit. The solar unit includes a receiver. The gas turbine unit includes a gas turbine with a waste heat boiler arranged downstream, and a steam turbine with a feed water heater. The power plant includes a heat transfer medium cycle for transferring solar heat. The heat transfer medium cycle is coupled to the gas turbine unit through a gas turbine heat exchanger and to the steam turbine unit through a solar boiler. Alternatively to the gas turbine unit and the steam turbine unit, the solar hybrid combined cycle power plant includes an integrated gas-steam turbine having a waste heat boiler arranged downstream, wherein the heat transfer medium cycle is coupled to the integrated gas-steam turbine through the gas turbine heat exchanger and through the solar boiler.Type: ApplicationFiled: April 7, 2011Publication date: August 4, 2011Inventors: Stephan Heide, Uwe Gampe, Manfred Freimark
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Publication number: 20090301096Abstract: The invention relates to turbine engines used in aeronautics, but also for industrial and marine turbine engines. To reduce turbine engine combustor gaseous emissions at given combustor sizes or to reduce combustor sizes at given combustor gaseous emissions, the invention proposes the injection of hydrogen into the combustor in response to a power output level. According to a preferred embodiment, gaseous hydrogen is always injected at low-power operations and switched off at mid-power and high-power operations.Type: ApplicationFiled: September 25, 2007Publication date: December 10, 2009Applicants: EADS DEUTSCHLAND GMBH, AIRBUS SASInventors: Sebastien REMY, Jean BOTTI
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Publication number: 20090235669Abstract: A method of generating electrical power using sulfur, the method having the steps of combusting oxygen with a stoichiometric quantity of sulfur comprising predominantly diatomic sulfur to generate hot sulfur dioxide gas; and mixing a cooling gas substantially cooler than the hot sulfur dioxide gas with the hot sulfur dioxide gas to produce a mixed working gas for driving a gas turbine, the mixed working gas having a temperature less than a maximum allowable temperature determined by a metallurgic limit of turbine blades in the gas turbine, whereby the gas turbine generates electrical power.Type: ApplicationFiled: September 19, 2007Publication date: September 24, 2009Inventor: Bogdan Wojak
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Publication number: 20080223047Abstract: Methods, systems, and apparatus for generating energy from a process-contained series of thermobaric reactions and/or explosion cycles are provided. The Xplogen™ energy generating system includes several embodiments for stimulating the heat and pressure release episodes, which are directed by the process system toward the task of dissociating a target substance being subjected to the hyper-stimulated pulse of energy. The target substance is thermolyzed by the pulse energy episode and the resulting dissociated gases are either quenched and captured or they are consumed in a direct thermal conversion process and are thus translated into steam pressure, and/or torque, thrust, motive force, and/or super-heat impulses. The methods and systems of the present invention include a comprehensive arrangement of process configurations and components as well as a means of operation.Type: ApplicationFiled: October 19, 2007Publication date: September 18, 2008Inventor: Troy Lee Oliver
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Publication number: 20040244355Abstract: A heat exchanger for vaporizing a liquid where provided is a boiler in heat-transferrable contact with a plenum that receives a heated medium. The boiler receives a liquid through a liquid inlet, the liquid being in mist or droplet form. The boiler also receives a transport gas through a gas inlet. The transport gas serves to carry the liquid through the boiler where the liquid is vaporized. Also provided is a method of vaporizing a liquid where a transport gas is used to carry a liquid in mist or droplet form through a heated boiler for vaporization.Type: ApplicationFiled: May 26, 2004Publication date: December 9, 2004Inventor: Eugene I. Moody
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Patent number: 6539701Abstract: A plant (1) includes, an air distillation apparatus (4) having at least one outlet (25) for a nitrogen-rich fluid and an outlet (32) for a product to be delivered in the liquid state and a gas turbine unit (3) having a combustion chamber (17) and an electricity-generating turbine (18), the intake of which is connected to an outlet of the combustion chamber. An expander (13) for expanding a nitrogen-rich fluid in order to generate refrigerating power allowing the liquid product to be delivered, the air distillation apparatus being connected in parallel to the expander (13) and to the intake of an electricity-delivering turbine in order to feed them with at least one nitrogen-rich fluid. Control elements (41,42) are provided for controlling the flow rates of the nitrogen-rich fluid streams sent to the expander (13) and to the electricity-generating turbine (18), respectively, and determination elements (40) for determining the electrical power to be generated by the electricity-generating turbine (18).Type: GrantFiled: July 12, 2001Date of Patent: April 1, 2003Assignee: L'Air Liquide - Societe Anonyme a Directoire et Conseil de Surveillance pour L'Etude et L'Exploitation des Procedes Georges ClaudeInventors: Francois Fuentes, Richard Dubettier, Carina Zundel