| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 060390520 | Exhaust gas recycling | 27 |
| 20090183491 | Internal continuous combustion engine system - A continuous combustion system for an internal combustion engine includes a reaction vessel external to the engine cylinders. The reaction vessel contains a combustion chamber for sustaining continuous combustion of an air fuel mixture during the operation of the associated engine. The reaction vessel contains an incoming air chamber and an exhaust gas chamber that are each in communication with the combustion chamber. Injected fuel vapor is mixed with scavenged exhaust gas for pre-heating and with compressed air from each cylinder provided during the compression stroke of each piston. The compressed air and fuel vapor mixture sustains the ignited combustion continuously, while exhaust gas is fed to the cylinders to provide working fluid to the engine during the power stroke of each piston. A valve mechanism is provided to control the flow of air from and working fluid to the cylinders at the appropriate times in order to sustain operation of the engine. | 07-23-2009 |
| 20100058732 | COMBUSTION CHAMBER FOR A GAS TURBINE - A combustion chamber for a gas turbine is provided. The combustion chamber comprises at least one first and one second jet carrier, of which at least one is provided for injecting an operating gas in the combustion chamber such that waste gas fanned in the flame zone thereof is circulated to a mixing zone of the first jet carrier. In order to achieve a compact combustion chamber, the jet carriers are positioned in relation to each other such that waste gas from the flame zone of the first jet carrier flows directly to the mixing zone of the second jet carrier. | 03-11-2010 |
| 20100107592 | SYSTEM AND METHOD FOR REDUCING CORROSION IN A GAS TURBINE SYSTEM - A system includes a gas turbine unit configured to generate a combustion gas by combusting a mixture of compressed air and fuel and generate electric power by expanding the combustion gas. A separator is coupled to the gas turbine unit and disposed upstream of the gas turbine unit. The separator is configured to reduce sulfur content in the fuel before being fed to the gas turbine unit. A portion of an exhaust gas from a gas turbine is recirculated to the gas turbine unit. | 05-06-2010 |
| 20100180565 | METHODS FOR INCREASING CARBON DIOXIDE CONTENT IN GAS TURBINE EXHAUST AND SYSTEMS FOR ACHIEVING THE SAME - Disclosed herein is a system comprising a first compressor; the compressor being operative to compress air; a turbine; the turbine being disposed downstream of the first compressor; the turbine being operative to combust a hydrocarbon fuel along with compressed air from the first compressor to produce an exhaust gas stream; and a second compressor; the second compressor being disposed downstream of the turbine; the second compressor being operative to compress the exhaust gas stream and to recycle the compressed exhaust gas stream to the turbine. Disclosed herein is a method comprising compressing air in a first compressor; combusting the air along with a hydrocarbon fuel in a turbine; generating an exhaust gas stream from the turbine; compressing the exhaust gas stream in a second compressor; recirculating the compressed exhaust gas stream to the turbine; separating carbon dioxide from the exhaust gas stream; and storing the carbon dioxide. | 07-22-2010 |
| 20110107736 | SYSTEM FOR RECIRCULATING THE EXHAUST OF A TURBOMACHINE - A portion of the exhaust generated by a turbomachine is recirculated through an inlet portion by an exhaust gas recirculation system. The system reduces the level of harmful constituents within the exhaust before the exhaust is recirculated. | 05-12-2011 |
| 20110138767 | INLET SYSTEM FOR AN EGR SYSTEM - An embodiment of the present invention takes the form of a system that may recirculate a portion of the exhaust of at least one turbomachine where it may be mixed with the inlet air and re-enter the turbomachine without affecting reliability and availability of the unit. | 06-16-2011 |
| 20110138768 | INLET SYSTEM FOR AN EGR SYSTEM - An embodiment of the present invention takes the form of a system that may recirculate a portion of the exhaust of at least one turbomachine where it may be mixed with the inlet air and re-enter the turbomachine without affecting reliability and availability of the unit. | 06-16-2011 |
| 20110289898 | COMBINED CYCLE POWER PLANT WITH FLUE GAS RECIRCULATION - An exemplary system method for the operation of a CCP P with flue gas recirculation to reduce NOx emissions and/or to increase the CO2 concentration in the flue gases to facilitate CO2 capture from the flue gases is disclosed. The flue gas recirculation rate (rFRG) is controlled as function of the combustion pressure and/or the hot gas temperature. Operability is enhanced by admixing of oxygen or oxygen enriched air to the gas turbine inlet gases or to the combustion. | 12-01-2011 |
| 20120023892 | SYSTEMS AND METHODS FOR CO2 CAPTURE - The present disclosure relates to the separation of CO | 02-02-2012 |
| 20120036825 | ENGINE - A combuster ( | 02-16-2012 |
| 20120167544 | Combustor with Fuel Staggering for Flame Holding Mitigation - The present application provides a combustor. The combustor may include an air flow path with a flow of air therein. A flow obstruction may be positioned within the air flow path and cause a wake or a recirculation zone downstream thereof. A number of fuel injectors may be positioned downstream of the flow obstruction. The fuel injectors may inject a flow of fuel into the air flow path such that the flows of fuel and air in the wake or the recirculation zone do not exceed a flammability limit. | 07-05-2012 |
| 20130086882 | POWER PLANT - A power plant is provided and includes a gas turbine engine having a combustor in which compressed gas and fuel are mixed and combusted, first and second supply lines respectively coupled to the combustor and respectively configured to supply the compressed gas and the fuel to the combustor and an exhaust gas recirculation (EGR) system to re-circulate exhaust gas produced by the gas turbine engine toward the combustor. The EGR system is coupled to the first and second supply lines and configured to combine first and second portions of the re-circulated exhaust gas with the compressed gas and the fuel at the first and second supply lines, respectively. | 04-11-2013 |
| 20130086883 | METHOD FOR OPERATING A GAS TURBINE POWER PLANT WITH FLUE GAS RECIRCULATION - A method and system are disclosed for operating a gas turbine power plant with flue gas recirculation, in which variable compressor inlet guide vanes are controlled as a function of flue gas recirculation ratio and/or as a function of a process parameter which is indicative for the flue gas recirculation. A controller setpoint position of the variable compressor inlet guide vanes can be controlled as a function of a position of a control element for controlling flue gas recirculation flow. | 04-11-2013 |
| 20130118145 | HYBRID FOSSIL FUEL AND SOLAR HEATED SUPERCRITICAL CARBON DIOXIDE POWER GENERATING SYSTEM AND METHOD - The present disclosure provides an integrated power generating system and method that combines combustion power generation with solar heating. Specifically, a closed cycle combustion system utilizing a carbon dioxide working fluid can be increased in efficiency by passing at least a portion of a carbon dioxide working fluid through a solar heater prior to passage through a combustor. | 05-16-2013 |
| 20130269310 | SYSTEMS AND APPARATUS RELATING TO REHEAT COMBUSTION TURBINE ENGINES WITH EXHAUST GAS RECIRCULATION - A power plant configured to include a recirculation loop about which a working fluid is recirculated. The recirculation loop may include a plurality of components configured to accept an outflow of working fluid from a neighboring upstream component and provide an inflow of working fluid to a neighboring downstream component. The recirculation loop may include: a recirculation compressor; an upstream combustor; a high-pressure turbine; a downstream combustor; a low-pressure turbine; and a recirculation conduit configured to direct the outflow of working fluid from the low-pressure turbine to the recirculation compressor. The power plant further may include: an oxidant compressor configured to provide compressed oxidant to one of the upstream combustor and the downstream combustor; and means for extracting a portion of the working fluid from an extraction point disposed at a predetermined location on the recirculation loop. | 10-17-2013 |
| 20130269311 | SYSTEMS AND APPARATUS RELATING TO REHEAT COMBUSTION TURBINE ENGINES WITH EXHAUST GAS RECIRCULATION - A power plant configured to include a recirculation loop about which a working fluid is recirculated, the recirculation loop comprising a plurality of components configured to accept an outflow of working fluid from a neighboring upstream component and provide an inflow of working fluid to a neighboring downstream component. The recirculation loop may include: a recirculation compressor; an upstream combustor; a high-pressure turbine; a downstream combustor; a low-pressure turbine; and a recirculation conduit configured to direct the outflow of working fluid from the low-pressure turbine to the recirculation compressor. The power plant may include: an oxidant compressor configured to provide compressed oxidant to both the upstream combustor and the downstream combustor; and means for extracting a portion of the working fluid from an extraction point disposed on the recirculation loop. | 10-17-2013 |
| 20130340403 | EROSION AND CORROSION RESISTANT COATINGS FOR EXHAUST GAS RECIRCULATION BASED GAS TURBINES - A compressor blade for use in a compressor section of a gas turbine engine, comprising: a martensitic stainless steel compressor blade and an abrasive coating having an anodic component. The compressor blade has a blade portion, a dovetail portion and a platform portion intermediate the blade portion and the dovetail portion, the blade portion terminating in a tip opposite the dovetail portion. A cobalt-based coating overlies at least the blade portion of the compressor blade. The cobalt-based coating comprises a cobalt based material that includes precipitates of tungsten carbide that provide erosion resistance and particles of a sacrificial metal-based material distributed through the cobalt-based coating that provide galvanic corrosion resistance to the system. | 12-26-2013 |
| 20130340404 | HOT EGR DRIVEN BY TURBOMACHINERY - In one embodiment, a system includes a turbine combustor of a turbine system with the turbine combustor at least partially enclosed within a compressor discharge casing. The turbine system also includes an exhaust gas recovery system that includes an exhaust gas recirculation duct. The exhaust gas recirculation duct is configured to recirculate exhaust gas from a downstream end of the turbine combustor to an upstream end of the turbine combustor. This exhaust gas recirculation duct is entirely enclosed within the compressor discharge casing. | 12-26-2013 |
| 20140102071 | SYSTEM AND METHOD FOR HEATING FUEL IN A COMBINED CYCLE GAS TURBINE - A system for heating fuel in a combined cycle gas turbine includes a fuel heat exchanger downstream from a turbine outlet, and the fuel heat exchanger has an exhaust gas inlet, an exhaust gas outlet, a fuel inlet, and a fuel outlet. A first exhaust gas plenum has a first exhaust gas inlet connection between the turbine outlet and a heat exchanger and a first exhaust gas outlet connection upstream from the exhaust gas inlet. A second exhaust gas plenum has a second exhaust gas inlet connection downstream from at least a portion of the heat exchanger and a second exhaust gas outlet connection upstream from the exhaust gas inlet. | 04-17-2014 |
| 20140116023 | POWER PLANT EMISSIONS REDUCTION - A system for improved emissions performance of a power plant generally includes an exhaust gas recirculation system having an exhaust gas compressor disposed downstream from the combustor, a condensation collection system at least partially disposed upstream from the exhaust gas compressor, and a mixing chamber in fluid communication with the exhaust gas compressor and the condensation collection system, where the mixing chamber is in fluid communication with the combustor. | 05-01-2014 |
| 20140123620 | SYSTEM AND METHOD FOR OXIDANT COMPRESSION IN A STOICHIOMETRIC EXHAUST GAS RECIRCULATION GAS TURBINE SYSTEM - A system includes a gas turbine system having a turbine combustor, a turbine driven by combustion products from the turbine combustor, and an exhaust gas compressor driven by the turbine. The exhaust gas compressor is configured to compress and supply an exhaust gas to the turbine combustor. The gas turbine system also has an exhaust gas recirculation (EGR) system. The EGR system is configured to recirculate the exhaust gas along an exhaust recirculation path from the turbine to the exhaust gas compressor. The system further includes a main oxidant compression system having one or more oxidant compressors. The one or more oxidant compressors are separate from the exhaust gas compressor, and the one or more oxidant compressors are configured to supply all compressed oxidant utilized by the turbine combustor in generating the combustion products. | 05-08-2014 |
| 20140150402 | SYSTEM AND METHOD FOR BURNING VANADIUM-CONTAINING FUELS - In one aspect, a combustion system is configured to facilitate preventing the formation of vanadium pentoxide (V | 06-05-2014 |
| 20140230401 | CYCLE TURBINE ENGINE POWER SYSTEM - Disclosed is a semi-closed cycle turbine engine power system, operating with air, enriched air, or oxygen as the oxidizer, is made non-emissive via the semi-closed cycle, in a manner which produces saleable CO | 08-21-2014 |
| 20140245714 | TURBINE ENGINE INCLUDING A DETONATION CHAMBER AND AIRCRAFT PROVIDED WITH SUCH A TURBINE ENGINE - The invention relates to a turbine engine including a detonation chamber and an aircraft provided with such a turbine engine. The chamber ( | 09-04-2014 |
| 20140360154 | GAS TURBINE PLANT HAVING EXHAUST GAS RECIRCULATION - The invention relates to a gas turbine plant, including a gas turbine device, which has a compressor and at least one burner and at least one gas turbine, a waste heat boiler assembly, which has a boiler inlet side connected to a turbine outlet and a first boiler outlet connected to a flue and a second boiler outlet, and an exhaust gas recirculation, which connects the second boiler outlet to a compressor inlet. A simplified structure can be achieved in that the waste heat boiler assembly has a first boiler exhaust gas path, which is connected to the boiler inlet side and leads to the first boiler outlet, and that the waste heat boiler assembly has a second boiler exhaust gas path, which is connected to the boiler inlet side and leads to the second boiler outlet separately from the first boiler exhaust gas path. | 12-11-2014 |
| 20150047314 | INTAKE ARRANGEMENT IN GAS TURBINE POWER PLANT - An intake arrangement for a compressor in a gas turbine power plant includes at least a passageway having an elongated portion, and a circular portion at an end of the elongated portion. The circular portion may be arranged in proximity to the compressor at around a compressor inlet. The passageway may be divided at least circumferentially and radially across the entire elongated portion and at least partially across the circular portion to configure a plurality of flue gas and air inlet segments for respectively conveying flue gas and air streams therethrough. The flue and air gas streams from each of the respective plurality of flue gas and air inlet segments, converge to be blended into a target mass stream for being conveyed into the compressor. | 02-19-2015 |
| 20150059313 | GAS TURBINE FACILITY - The gas turbine facility | 03-05-2015 |
