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| Number | Title | Issue Date |
| 7900455 | Method for the operation of a pressure accumulator plant, and pressure accumulator plant A recuperative air storage plant comprising a gas turbine set and a heat exchanger. In the heat exchanger, exhaust gas heat from the gas turbine set can be transferred to a pressurized stored fluid which flows from a storage volume to a expansion machine. A flow jun... | 03/08/2011 |
| 7661268 | Power plant During operation of a power plant, which basically comprises a gas turbogroup, a compressed air accumulator, an air turbine which is equipped with at least one generator, the compressed air which is extracted from the compressed air accumulator is directed through a... | 02/16/2010 |
| 7640643 | Conversion of combined cycle power plant to compressed air energy storage power plant An apparatus and method converts a power generation combined cycle (CC) power plant to a load management compressed air energy storage (CAES) power plant. The CC power plant includes at least one combustion turbine, a heat recovery steam generator (HRSG) to receive ... | 01/05/2010 |
| 7406828 | Power augmentation of combustion turbines with compressed air energy storage and additional expander with airflow extraction and injection thereof upstream of combustors A combustion turbine power generation system (10) includes a combustion turbine assembly (11) including a main compressor (12) constructed and arranged to receive ambient inlet air, a main expansion turbine (14) operatively associated wit... | 08/05/2008 |
| 7406829 | Cryogenic liquid oxidizer cooled high energy system A high energy system comprising a high energy electrical device powered by an electrical generator both of which are cooled by a cryogenic liquid oxidant stored in a storage tank. A power turbine powered by a combustor using fuel and the oxidant drives the electrica... | 08/05/2008 |
| 7389644 | Power augmentation of combustion turbines by injection of cold air upstream of compressor A combustion turbine power generation system 10 includes a combustion turbine assembly 11 including a main compressor 12 constructed and arranged to receive ambient inlet air, a main expansion turbine 14 operatively associated with the ma... | 06/24/2008 |
| 7305832 | Work extraction arrangement A work extraction arrangement (10) comprises a cooling assembly (12) for cooling a gas to provide a working fluid capable of doing work. The arrangement (10) further includes storage means (14) for storing the working fluid and a turbine ... | 12/11/2007 |
| 7299616 | Small scale hybrid engine This invention describes a miniaturized hybrid diesel-electric engine formed by a closed-loop system powered by plasma-aided combustion of JP-8 fuel (or other hydrocarbon fuels) working in tandem with a vapor cycle utilizing miniaturized expanders and condensers. Th... | 11/27/2007 |
| 7200987 | Off-axis pulse detonation configuration for gas turbine engine The present invention is a gas turbine engine system containing a compressor stage, a pulse detonation stage, and a turbine stage. During operation of the engine system, compressed flow from the compressor stage is directed to at least one off-axis pulse detonation ... | 04/10/2007 |
| 7150154 | Power station A compressed air energy storage power station comprises a first shafting (1) and a second shafting (2). A gas turbo group (11), an electrical machine (12) and a compressor (13) are arranged on the first shafting (1). Switcha... | 12/19/2006 |
| 7073335 | Gas storage power station The present invention relates to a gas storage power station (1) having a turbine group (3) and a compressor group (4). The turbine group (3) has at least one turbine (5, 6) and a generator (10). During normal operation of t... | 07/11/2006 |
| 7000399 | System for warming pressurized gas A plurality of vessels contains pressurized gas. Each vessel fluidly communicates with an adjacent vessel through a line. A heat exchanger is positioned in a heat conducting relationship with each line. The system includes an exhaust valve communicating with lower p... | 02/21/2006 |
| 6941760 | Start system for expendable gas turbine engine A start system for an expendable gas turbine engine includes a pressurized oxygen source and a pyroflare igniter. The pressure source communicates oxygen to a compressor through a first passage to spin-up a rotor and communicates oxygen to a combustor through a seco... | 09/13/2005 |
| 6920759 | Cold heat reused air liquefaction/vaporization and storage gas turbine electric power system An energy storage gas-turbine electric power generating system includes a liquid air storage tank for storing liquid air, a vaporizing facility for vaporizing the liquid air stored in the liquid air storage tank, a combustor for generating a combusted gas by combust... | 07/26/2005 |
| 6848259 | Compressed air energy storage system having a standby warm keeping system including an electric air heater A compressed air energy storage system comprises a cavern (1) for stored compressed air and a system for providing the compressed air to a power train (3, 5), this system including a recuperator (7) and a first valve arrangement (8) that ... | 02/01/2005 |
| 6745569 | Power generation plant with compressed air energy system A power generation plant with a compressed air energy storage system comprises a means to reduce the pressure of air extracted from a compressed air storage cavern for the use in a combustion turbine. The means to reduce the air pressure comprises at least one expan... | 06/08/2004 |
| 6725665 | Method of operation of gas turbine having multiple burners The invention provides a method of operating a gas turbine arranged in a power generation system and comprising a source of compressed air, a combustor having a combustion chamber and multiple burners. A gas turbine controller controls the activation and deactivatio... | 04/27/2004 |
| 6694722 | Recuperator for thermal power installation A recuperator (10) in a thermal power installation such as, for example, a gas turbine installation or air storage power installation, having turbines (15a, 15b) and a generator (G), has sectors (S1-S4) with tubes for the circulation of air. Hot exhaust g... | 02/24/2004 |
| 6672069 | Method and device for increasing the pressure of a gas A method in which an air mass flow supplied to a compressor in a power plant is divided in a flow divider into a small partial flow and into a larger partial flow. The smaller partial flow is supplied to an ejector via an air cooler and a booster. The lar... | 01/06/2004 |
| 6658855 | System for warming pressurized gas A plurality of vessels contains pressurized gas. Each vessel fluidly communicates with an adjacent vessel through a line. A heat exchanger is positioned in a heat conducting relationship with each line. The system includes an exhaust valve communicating w... | 12/09/2003 |
| 6637207 | Gas-storage power plant The present invention relates to a gas-storage power plant, comprising a gas reservoir (8) in which a gas can be stored under pressure, a turbogroup (2) which has at least one turbine (3, 5), a gas-supply line (9) which leads from the gas reservoir (8) to th... | 10/28/2003 |
| 6519944 | Method of generating a transient plant power boost in a gas turbine apparatus A system is described for allowing transient power augmentation of a gas turbine or a gas turbine combined cycle power plant. A reservoir of pressurized and/or liquefied gas is installed to store a temporary supply of gas turbine working fluid. This suppl... | 02/18/2003 |
| 6474069 | Gas turbine having combined cycle power augmentation A system is described for allowing short term power augmentation of a gas turbine or a gas turbine combined cycle power plant. A reservoir of pressurized and/or liquefied gas is installed to store a transient supply of gas turbine working fluid. This supp... | 11/05/2002 |
| 6401458 | Pneumatic/mechanical actuator A pneumatic/mechanical actuator described herein consists of a variation of a Brayton-cycle machine for generating actuation force. The system avoids the continues heat problem of a Brayton-cycle by using compressed gas to drive a reversible turbine. The ... | 06/11/2002 |
| 6378287 | Multi-stage turbomachine and design method A gas turbo-machine and method of designing and constructing such machine includes preselecting specific operating conditions for the gas turbo-machine, and constructing a master stage as a model to have a given design and geometric shape which results in... | 04/30/2002 |
| 6276123 | Two stage expansion and single stage combustion power plant A two stage expansion and single stage combustor compressed air energy storage cycle that employs a heat exchanger to raise the temperature of the compressed air before it enters a high pressure expander. A combustor heats the exhaust from the high pressu... | 08/21/2001 |
| 6260349 | Multi-stage turbo-machines with specific blade dimension ratios A gas turbo-machine and method of designing and constructing such machine includes preselecting specific operating conditions for the gas turbo-machine, and constructing a master stage as a model to have a given design and geometric shape which results in... | 07/17/2001 |
| 5934063 | Method of operating a combustion turbine power plant having compressed air storage A method is provided to ensure that a combustion turbine power generation system may operate at maximum allowable power at elevated ambient temperature and/or at low air density. The method includes providing at least one combustion turbine assembly inclu... | 08/10/1999 |
| 5845479 | Method for providing emergency reserve power using storage techniques for electrical systems applications A combustion turbine power generation system includes a modified simple cycle combustion turbine power generation system optimized for a "hot" stand-by reserve mode of operation and having a power shaft assembly including a compressor, an expansion turbin... | 12/08/1998 |
| 5778675 | Method of power generation and load management with hybrid mode of operation of a combustion turbine derivative power plant The invention provides a stand-alone, hybrid combustion turbine derivative power generation system sized for the most efficient and cost-effective base load operation that is also capable of providing, using air storage techniques, short-duration peak pow... | 07/14/1998 |
| 5638674 | Convectively cooled, single stage, fully premixed controllable fuel/air combustor with tangential admission An annular combustor system is disclosed in use with a radial turbine-type gas turbine gas generator, the system having an annular housing defining a single stage combustor, an external fuel/air premixer system having a mixing chamber and a fuel valve und... | 06/17/1997 |
| 5495709 | Air reservoir turbine In an air reservoir turbine, comprising a gas turbine group connected for selectable delivery of compressed air from a compressor unit and a compressed air reservoir, and including a hot water reservoir and a waste heat steam generator downstream of the g... | 03/05/1996 |
| 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 |
| 5363642 | Method of operating a gas turbine group In a method of operating a gas turbine group (34) with or without integrated steam process (20) and with or without an air reservoir installation (20), a series connection with one and the same air mass flow (16, 17) is used for cooling one or more struct... | 11/15/1994 |
| 5307633 | Low carbon particle producing gas turbine combustor A combustion system for a gas turbine engine provides a reaction limiting means for preventing the combustion process within the combustion chamber of the engine from proceeding towards completion by limiting the reaction rate or duration of the reaction ... | 05/03/1994 |
| 5235812 | Integrated power unit The invention relates to secondary power system apparatus and method for use aboard aircraft in place of conventional auxiliary power units (APU's) and emergency power units (EPU's). The invention integrated power unit (IPU) performs the function of both ... | 08/17/1993 |
| 5184458 | Power unit fuel pressurization system A power generating unit in accordance with the present invention comprises a pressurized gas source (44) providing pressurized gas containing oxygen to be used in combustion of a fuel; a combustor (42) for providing pressurized gas produced by combustion ... | 02/09/1993 |
| 5179831 | Stored energy system for driving a turbine wheel Improved control over the production of motive gas applied by a nozzle (16) to a turbine wheel (10) may be achieved by a method of (a) supplying fuel to a combustor (20), (b) simultaneously with the performance of step (a), supply insufficient oxidant for... | 01/19/1993 |
| 5136838 | Stored energy, wide energy range turbine starting system Difficulties with starting reliability and/or combustion stability in hot gas generating systems are avoided in a construction including a storage vessel (36) for storing an oxidant; a fuel supply (22) and a combustion chamber (26) having an outlet (30) f... | 08/11/1992 |
| 5131225 | Apparatus for separating and compressing oxygen from an air stream A system and method of separating the gaseous components of air to provide a compressed oxygen-enriched gas stream and a nitrogen-enriched gas stream are disclosed. The separation system and method generate an oxygen-enriched stream including substantiall... | 07/21/1992 |
