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| Number | Title | Issue Date |
| 8171718 | Methods and systems involving carbon sequestration and engines A system for power generation comprises an engine operative to output an exhaust gas, a carbon capture means operative to remove carbon dioxide (CO2) from the exhaust gas and output the CO2, and a compressor operative to receive the CO2 and output compressed CO2 tha... | 05/08/2012 |
| 8117825 | Gas turbine installation A gas turbine installation (1), in particular in a power plant for generating electricity, includes a turboset (2) having a turbine (4), a compressor (5) and a combustion chamber (6) arranged in a gas path (9) connecting the... | 02/21/2012 |
| 8056318 | System for reducing the sulfur oxides emissions generated by 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 Sulfur Oxides and other constituents within the exhaust before the exhaust is recirculated. The syst... | 11/15/2011 |
| 8051638 | Systems and methods for exhaust gas recirculation (EGR) for turbine engines Systems and methods may be provided for exhaust gas recirculation. The systems and methods may include receiving, via an intake section, inlet air at an input of a compressor, generating compressed air at the compressor using the received inlet air, and providing th... | 11/08/2011 |
| 8046986 | Method and system for controlling an exhaust gas recirculation system A method and system for controlling an exhaust gas recirculation (EGR) system is provided. The method and system may incorporate a device or devices that continuously monitors an exhaust stream for harmful constituents. The method and system may control components o... | 11/01/2011 |
| 8015793 | Fuel heating via exhaust gas extraction A method and system for heating fuel for a gas turbine engine by using excess heat energy in the engine exhaust gas to heat the fuel and returning the cooled exhaust gas back to the engine exhaust gas stream upstream of an emissions sensor is disclosed. The method a... | 09/13/2011 |
| 7950217 | Oxygen-enriched air assisting system for improving the efficiency of cogeneration system Systems and methods for exhaust gas recirculation in which at least a desired effective oxygen concentration is maintained for stable combustion at increased recirculation rates. Oxygen-enriched gas is injected into the recirculated exhaust gas to achieve the desire... | 05/31/2011 |
| 7926256 | 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 ... | 04/19/2011 |
| 7874141 | Auxiliary fluid source for an EGR purge system The exhaust within an exhaust gas recirculation (EGR) system should be purged to allow for access to the components of the EGR system. A system and method for purging the EGR system is provided. The system and method may incorporate a purge gas supply that may inclu... | 01/25/2011 |
| 7870718 | Purge system for an exhaust gas recirculation system The exhaust within an exhaust gas recirculation (EGR) system should be purged to allow for access to the components of the EGR system. A system and method for purging the EGR system is provided. The system and method may incorporate an: EGR purge fan, an EGR purge b... | 01/18/2011 |
| 7866140 | Control system for an EGR purge system The exhaust within an exhaust gas recirculation (EGR) system should be purged to allow for access to the components of the EGR system. A method and system for controlling an EGR purge system is provided. The method and system may control the operation of drawing the... | 01/11/2011 |
| 7861511 | 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. ... | 01/04/2011 |
| 7827778 | Power plants that utilize gas turbines for power generation and processes for lowering COemissions Power plants and process for lowering CO2 emissions generally includes extracting a portion of the recirculated CO2-rich flue gas mid-way through the compression pathway of a gas turbine and removing the CO2 in a separation unit. The... | 11/09/2010 |
| 7739864 | Systems and methods for power generation with carbon dioxide isolation A power generation system includes first and second turbines. The first turbine including a low-pressure compressor (14) and a high-pressure compressor (16). A combustion chamber (22) combusts compressed oxidant and a fuel stream to generate a h... | 06/22/2010 |
| 7637093 | Humid air turbine cycle with carbon dioxide recovery Carbon dioxide (152) is removed following compressor (130) which compresses a mixture of compressed air (132) and recirculated exhaust gas (118′) from a gas turbine (120). The carbon dioxide depleted gas (136) is humidifie... | 12/29/2009 |
| 7634901 | Isotropic recycling engine An engine or motor that generates electrical energy by the use of isotropic principles in conjunction with the expansion of fuel materials when constant heat is applied to flammable fuels such as propane, nitrogen, alcohol, diesel fuel and ammonia water in a well st... | 12/22/2009 |
| 7516609 | Carbon dioxide recirculation Carbon dioxide recirculating apparatus (20, 120) is disclosed for use in an arrangement having combination means (115) and a path for the flow of a gas through the combustion means (115). The apparatus (20, 120) comprises extraction means... | 04/14/2009 |
| 7421835 | Air-staged reheat power generation system A two-stage power generation system having a compressed air source with two compressed air outlets, one of which provides compressed air to the first stage of power generation and the other of which provides compressed air to the second stage of power generation. Al... | 09/09/2008 |
| 7363756 | Method for combustion of a fuel In a method for the combustion of a fuel, a fuel or a premixed combustible mixture is introduced into a combustion space as a combustible fluid open jet. The velocity of the open jet is selected in such a way that it is impossible for a stable flame front to form, i... | 04/29/2008 |
| 7328581 | Low emission thermal plant A method for the generation of electrical power from a carbonaceous fuel, wherein the fuel is combusted in presence of oxygen under increased pressure in a combustion chamber is described. The exhaust gas from the combustion is separated into a CO2 rich f... | 02/12/2008 |
| 7316105 | Steam power plant The invention relates to an inventive steam power plant comprising at least one steam turbine and a steam generator. According to the invention, a firing device is located downstream of the steam generator and upstream of the steam turbine and/or downstream of a fir... | 01/08/2008 |
| 7305831 | Gas turbine having exhaust recirculation A gas turbine adapted to operate in a highly diluted mode comprises a compressor 3 adapted to compress oxidant 5; a combustion chamber 3 adapted to accept the compressed oxidant 7 and provide an exit means for flue gas 9; a turbine... | 12/11/2007 |
| 7299637 | Method and device for operating a gas turbine with a fossil-fuel fired combustion chamber A method according to the invention or a corresponding device (1) provides for dividing exhaust gas (9) exiting the gas turbine into a first (11) and a second partial stream (13), for mixing the first partial stream (11) with combu... | 11/27/2007 |
| 7278267 | Steam turbine plant A steam turbine plant partially utilizes a hydrocarbon fuel such as an LNG as a fuel to improve the efficiency of the plant. A steam turbine plant includes a boiler, a steam turbine, a feedwater system, and a superheating combustor. The boiler generates steam, and t... | 10/09/2007 |
| 7258724 | Method for the separation of residual gases and working fluid in a combined cycle water/steam process The invention relates to a method for the separation of residual gases and working fluid in a combined cycle water/steam process, which provides for the multi-stage compression and multi-stage expansion of the mixture of working fluid and reaction products from the ... | 08/21/2007 |
| 7204077 | Atmospheric pressure combustion turbine system Techniques suitable for recovering energy from a high-temperature gas of an ordinary pressure are provided. A turbomachine has a turbine 16 and compressors 20 and 24. A combustor 12 is disposed at a stage above the turbine 16. A po... | 04/17/2007 |
| 7191587 | Hybrid oxygen-fired power generation system An oxygen fired power generation system is disclosed. The power generation system has a high pressure combustor having a water recycle temperature control subassembly, and an intermediate pressure combustor having a CO2 recycle temperature control subasse... | 03/20/2007 |
| 7134285 | Adiabatic power generating system An adiabatic power generation method and apparatus includes at least one combusting device to combust any suitable fuel and an oxygen-containing gas to produce hot high pressure combustion gases. Also includes modified present art combustors, wind and solar energy s... | 11/14/2006 |
| 7124589 | Power cogeneration system and apparatus means for improved high thermal efficiencies and ultra-low emissions A power cogeneration system employing a partially-open gaseous fluid cycle method and apparatus devices for oxy-fuel combustion conversion of a given hydrocarbon composition fuel's heat-value energy into mechanical or electrical power energy, and transferred useful ... | 10/24/2006 |
| 7096674 | High thrust gas turbine engine with improved core system A gas turbine engine having a longitudinal centerline axis therethrough, including: a fan section at a forward end of the gas turbine engine including at least a first fan blade row connected to a first drive shaft; a booster compressor positioned downstream of and ... | 08/29/2006 |
| 7093446 | Gas turbine engine having improved core system A gas turbine engine having a longitudinal centerline axis therethrough, including: a fan section at a forward end of the gas turbine engine including at least a first fan blade row connected to a drive shaft; a booster compressor positioned downstream of the fan se... | 08/22/2006 |
| 7089745 | System for vaporization of liquid fuels for combustion and method of use A gas stream with a reduced oxygen concentration relative to ambient air is used to vaporize a liquid fuel or liquified higher hydrocarbon gas, or is mixed with a vaporized gas, and the reduced oxygen vaporized fuel gas is fed to a combustion device such as a premix... | 08/15/2006 |
| 7089743 | Method for operating a power plant by means of a COprocess In a method for operating a power plant by means of a CO2 process, isentropic compression first takes place, subsequently an isobaric heat supply, then isentropic expansion, and finally isobaric heat discharge. The CO2 process broken down here ... | 08/15/2006 |
| 7074033 | Partially-open fired heater cycle providing high thermal efficiencies and ultra-low emissions A partially open fired heater regenerative cycle wherein the fired industrial type heater cycle's heat transfer fluid replaces the air predominant nitrogen heat transfer fluid employed in a conventional air/fuel combustion heater. The heater cycle's method and appar... | 07/11/2006 |
| 7065954 | Turbine, particularly useful for small aircraft A turbine includes a combustion chamber with deflectors generating vortices in a secondary gas flow into the combustion chamber, thereby confining the flame front from penetrating into the cold region of the chamber under variable operating conditions, simplifying c... | 06/27/2006 |
| 7007487 | Recuperated gas turbine engine system and method employing catalytic combustion A recuperated gas turbine engine system and associated method employing catalytic combustion, wherein the combustor inlet temperature can be controlled to remain above the minimum required catalyst operating temperature at a wide range of operating conditions from f... | 03/07/2006 |
| 6981366 | Turbineless jet engine A turbineless jet engine includes no internal moving components, yet operates using a continuous combustion principle. The present engine is self-starting, i.e., no auxiliary source of pressurized airflow or unconventional fuels is required for its starting and oper... | 01/03/2006 |
| 6957539 | Power generator with low CO2 emissions and associated method The invention relates to a method for decreasing the level of carbon dioxide present in the fumes discharged by a power generator burning a mixture of a combustive agent and of a fuel containing hydrocarbons, wherein a gaseous mixture comprising at least part of sai... | 10/25/2005 |
| 6945052 | Methods and apparatus for starting up emission-free gas-turbine power stations In a power generation plant having at least one gas turbine cycle with heat-recovery boiler (4) and at least one steam turbine cycle operated via the heat-recovery boiler (4), the gas turbine cycle being designed to be semi-closed and essentially free ... | 09/20/2005 |
| 6945029 | Low pollution power generation system with ion transfer membrane air separation A low or no pollution power generation system is provided. The system has an air separator to collect oxygen. A gas generator is provided with inputs for the oxygen and a hydrocarbon fuel. The fuel and oxygen are combusted within the gas generator, forming water and... | 09/20/2005 |
