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| Number | Title | Issue Date |
| 7200997 | Water augmented regeneration (WAR) turbine system and cycle A gas turbine system (100) includes a compressor (110) for receiving air and producing compressor discharge air, a combustor (120) for combusting an oxygen comprising gas flow including the discharge air and a fuel into a hot gas flow, and a tur... | 04/10/2007 |
| 7069726 | Thermal power process In a power generation unit, especially in a gasturbo group, a gaseous process fluid is guided in a closed cycle. The gaseous process fluid flows through a compression device (1), a heater (6) and an expansion device (2), especially a turbine. Do... | 07/04/2006 |
| 7031601 | Equipment for producing high-pressure saturated steam This invention relates to an equipment for producing high-pressure saturated steam. The equipment includes a water tank, a pump, a check valve, an atomizing nozzle, a heat chamber and a steam outlet. The pump is connected between water tank and the check valve. The ... | 04/18/2006 |
| 6996479 | Method and apparatus for measuring and controlling the water content of a water-containing liquid mixture An apparatus for measuring the water content of a water-containing liquid mixture contained in a tight chemistry tank includes a heating device for controlling the temperature of the liquid mixture to a temperature near the boiling point of the liquid mixture, a coo... | 02/07/2006 |
| 6981360 | Gas turbine power generator having humidifying and cooling means An object of the present invention is to provide a gas turbine power generator capable of increasing the power generation efficiency in partial load operation and decreasing a variation in the number of rotations caused by a variation in power generation load. The g... | 01/03/2006 |
| 6948558 | Evaporative duplex counterheat exchanger A duplex exchanger includes first and second heat exchangers each including a main flow channel and a cooperating counterheat channel. The first counterheat channel is joined to the first main flow channel for receiving a cooled primary stream therefrom. The second ... | 09/27/2005 |
| 6938405 | Spray nozzle grid configuration for gas turbine inlet misting system The mister includes a plurality of manifolds extending between opposite sides of a duct. Each manifold carries a plurality of nozzles at laterally spaced positions along the length of the manifold. The manifolds are spaced one behind the other in the direction of ai... | 09/06/2005 |
| 6389794 | Method and apparatus for fuel gas moisturization and heating Fuel gas is saturated with water heated with a heat recovery steam generator heat source. The heat source is preferably a water heating section downstream of the lower pressure evaporator to provide better temperature matching between the hot and cold hea... | 05/21/2002 |
| 6250065 | Gas turbine combustion system and combustor ignition method therefor Liquid fuel purge device uses water, not compressed air as in the prior art, thereby prevented are rapid load change of gas turbine due to sudden discharge of liquid fuel and coking of remaining liquid fuel. Upon supply of liquid fuel to fuel nozzle (05) ... | 06/26/2001 |
| 6230482 | Appliance for operating a gas turbine installation combustion chamber with liquid fuel A method and apparatus for operating a gas turbine installation combustion chamber with liquid fuel, by means of which the NOX are similar to those for gaseous fuels. The liquid fuel (38) is evaporated in two steps in an evaporative reactor (12... | 05/15/2001 |
| 6178738 | Method of operating a gas-turbine group by directing a fuel/water mixture to the combustion chamber In a method of operating a gas-turbine group, an exhaust-gas flow (9) of the gas-turbine group is admitted to a heat-exchange stage (14, 18), through which a liquid fuel (12) and a water quantity (16) flow. The thermally processed media (12, 16) are then ... | 01/30/2001 |
| 6141955 | Gas turbine generator with dual steam-injected turbines A gas turbine generator includes a first gas turbine 20 having an air compressor 21, first turbine 24a and a first combustor 25a; a second gas turbine 22 having a second turbine 24b and a second combustor 25b; a generator 27 driven by the first gas turbin... | 11/07/2000 |
| 6132202 | Method and device for operating a premix burner The object of the invention is to provide a method and a device for operating a premix burner which improve the supply of fuel under certain types of operation. According to the invention, this is achieved by the fact that the liquid fuel (2) and the wate... | 10/17/2000 |
| 6067789 | Method and appliance for operating a gas turbine installation combustion chamber with liquid fuel The object of the invention is to produce a method, for operating a gas turbine installation combustion chamber with liquid fuel, by means of which the NOX figures obtained when liquid fuel is employed are similar to those for gaseous fuels. Th... | 05/30/2000 |
| 5983622 | Diffusion flame combustor with premixing fuel and steam method and system A method and system for combusting a liquid fuel stream in a diffusion flame combustor by spraying the liquid fuel stream into a steam flow to produce a fuel/steam flow with atomized liquid fuel therein. The fuel/steam flow is further mixed before being c... | 11/16/1999 |
| 5974780 | Method for reducing the production of NOX in a gas turbine An apparatus is disclosed for reducing the production of NOx in an engine. One embodiment of the apparatus comprises a plurality of mixing cans in which air is drawn into the flow of gaseous fuel therethrough. The gaseous mixture formed by one of the mixi... | 11/02/1999 |
| 5865023 | Gasification combined cycle power generation process with heat-integrated chemical production A method for improving the efficiency of a gasification combined cycle system for the coproduction of electric power and one or more chemical or liquid fuel products from a synthesis gas feed containing hydrogen and carbon monoxide. Waste heat is recovere... | 02/02/1999 |
| 5839271 | Quench cooler A quench cooler for cooling a hot flowing gas includes a cylindrical shell which is connected to a hot-gas line and to a cold-gas line and which has a device for injecting water. A packed column filling the cross-section of the shell through which flow oc... | 11/24/1998 |
| 5782080 | Quench cooler for gas turbine system A quench cooler for cooling a hot flowing gas essentially comprises a cylindrical shell (10) which is connected to a hot-gas line (7) and to a cold-gas line (9) and which has means (30) for injecting water. The water injection means (30) are pressure-atom... | 07/21/1998 |
| 5697209 | Power plant with steam injection In a power plant which essentially comprises a compressor (2), a combustion chamber (4) and a turbine (7), an injector system (30) is provided in the region of an outlet diffuser (3) of the compressor (2). This injector system (30) comprises a ring of ind... | 12/16/1997 |
| 5666800 | Gasification combined cycle power generation process with heat-integrated chemical production A method for improving the efficiency of a gasification combined cycle system for the coproduction of electric power and one or more chemical or liquid fuel products from a synthesis gas feed containing hydrogen and carbon monoxide. Waste heat is recovere... | 09/16/1997 |
| 5628184 | Apparatus for reducing the production of NOx in a gas turbine An apparatus is disclosed for reducing the production of NOx in an engine. One embodiment of the apparatus comprises a plurality of mixing cans in which air is drawn into the flow of gaseous fuel therethrough. The gaseous mixture formed by one of the mixi... | 05/13/1997 |
| 5582000 | Coolable rocket nozzle for a rocket engine This invention relates to rocket engines which have a rocket nozzle for expanding hot, highly pressurized rocket gases and more particularly, to a high expansion ratio nozzle for such an engine by flowing the water along a wall to provide additional cooli... | 12/10/1996 |
| 5579631 | Steam cooling of gas turbine with backup air cooling A gas turbine power plant in which a mixture of steam and compressed air, the mixture being primarily steam, is used to cool the rotating blades and stationary vanes in the turbine section. The air is bled from the compressor. The flow rate of steam that ... | 12/03/1996 |
| 5537813 | Gas turbine inlet air combined pressure boost and cooling method and apparatus The operational capacity and efficiency of a combustion turbine is increased by treating the turbine inlet air to increase its density. The inlet air treatment is achieved in a columnar tower with the inlet air being drawn in at the top of the tower. Trea... | 07/23/1996 |
| 5513488 | Power process utilizing humidified combusted air to gas turbine A process for producing mechanical power utilizing compressed and humidified hot air and a fuel, which are mixed together and combusted and the resulting hot combustion gas is expanded through a gas turbine. The air is initially compressed and intercooled... | 05/07/1996 |
| 5440490 | Aircraft engine emergency control system In the event of incipient engine speed or loss of normal engine control fuel flow rate in a jet engine is limited by a speed governor. A speed governor arrangement with optionally selectable emergency speed control is described. Maximum engine speed limit... | 08/08/1995 |
| 5431007 | Thermochemically recuperated and steam cooled gas turbine system A gas turbine system in which the expanded gas from the turbine section is used to generate the steam in a heat recovery steam generator and to heat a mixture of gaseous hydrocarbon fuel and the steam in a reformer. The reformer converts the hydrocarbon g... | 07/11/1995 |
| 5417053 | Partial regenerative dual fluid cycle gas turbine assembly A partial regenerative dual fluid cycle gas turbine assembly can reduce the amount of steam injected to the combustor and can reduce the pressure loss in the heat exchanger and in pipes around the heat exchanger, thereby improving the efficiency of the ga... | 05/23/1995 |
| 5379589 | Power plant utilizing compressed air energy storage and saturation An improved power plant employing a combination of compressed air storage and saturation (simultaneous heating and humidification) of compressed air is disclosed. The power plant includes a combustor which provides hot gas for driving a turbine. The turbi... | 01/10/1995 |
| 5345759 | Internal combustion and internally cooled steam engine and powering method An internal combustion and internally cooled steam engine and powering method to be used to more efficiently and effectively power steam turbines and like drive sources. The steam engine includes an insulated pressure chamber having a boiler concentricall... | 09/13/1994 |
| 5317862 | Air separation In a process integration, particularly with a blast furnace, nitrogen under pressure is moisturized by the addition to it of hot, pressurized water. The moisturized nitrogen is expanded and power thereby generated. The nitrogen is not mixed with combustio... | 06/07/1994 |
| 5295351 | Air separation In a process integration, particularly with a blast furnace, low grade fuel gas produced by the furnace is compressed and moisturized. The moisturized fuel is burnt using a major part of a compressed air stream to support its combustion. The resulting com... | 03/22/1994 |
| 5241816 | Gas turbine steam addition The output of gas turbines is enhanced by gas moisturization using a water contact tower and a pumped water recirculation loop with low pressure steam addition thereto.... | 09/07/1993 |
| 5233823 | High-efficiency gas turbine engine A high efficiency/low nitric oxide emission gas turbine engine includes an interchanger for cooling a compressed air side stream which is used for cooling the turbine section. The heated fuel is then mixed with steam for injection into a combustor, thereb... | 08/10/1993 |
| 5178210 | Vapor pump employing counterflow exchange between air and combustion products without an intermediate fluid The vapor pump constituted by a mass and heat exchanger comprises an outer enclosure, a set of exchanger tubes disposed inside the enclosure and extending lengthwise therein, opening out at one of the ends in a first radial plane and at their other ends i... | 01/12/1993 |
| 5175994 | Combustion section supply system having fuel and water injection for a rotary machine A fuel supply system 32 for a rotary machine 10 is disclosed. Various construction details are developed which enable operation of a plurality of fuel injectors 28 in the machine at a low pressure drop with a wide range of fuel and water fuel rates. In on... | 01/05/1993 |
| 5095693 | High-efficiency gas turbine engine A high efficiency/low nitric oxide emission gas turbine engine includes an interchanger for cooling a compressed air side stream which is used for cooling the turbine section. The heated fuel is then mixed with steam for injection into a combustor, thereb... | 03/17/1992 |
| 5054279 | Water spray ejector system for steam injected engine A steam injected engine, including a compressor, a combustor and a turbine in series combination, with a gas flow path passing therethrough. A steam injection system is provided for adding superheated steam to the gas flow path. A water spray and mixer sy... | 10/08/1991 |
| 4991391 | System for cooling in a gas turbine A gas turbine is provided in which the quantity of cooling air required to cool the turbine is reduced by the evaporative cooling of air bled from the compressor discharge for cooling purposes. The evaporative cooling is accomplished by spraying pressuriz... | 02/12/1991 |
