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| Number | Title | Issue Date |
| 8104282 | Power generation complex plant and plant control method A power generation complex plant has a control switch, an overall control unit and a steam bypass facility. The overall control unit determines that a desired steam volume has reached a limit value of the volume of steam to be generated by a steam generating facilit... | 01/31/2012 |
| 7436922 | Electricity and steam generation from a helium-cooled nuclear reactor Disclosed herein is a method comprising heating helium in a core of a nuclear reactor; extracting heat from the helium; superheating water to steam using the heat extracted from the helium; expanding the helium in a turbine; wherein the turbine is in operative commu... | 10/14/2008 |
| 7284372 | Method and apparatus for converting thermal energy to mechanical energy A method and apparatus for converting thermal energy to mechanical energy which can use a wide range of fuels and perform with a high efficiency. Operating on a little utilized thermodynamic cycle of isentropic compression, isothermal expansion, isentropic expansion... | 10/23/2007 |
| 7250855 | False alarm mitigation using a sensor network Methods and apparatus, including computer program products, for processing, at a sensor node within a sensor network, a set of sensor readings to determine whether an event has occurred, the set of sensor readings including one or more sensor readings for correspond... | 07/31/2007 |
| 7155912 | Method and apparatus for storing and using energy to reduce the end-user cost of energy The invention relates to an energy storing method and apparatus for use by end-users of energy, such as commercial property owners and operators. The system differs from past systems, insofar as it is not intended to be used by and in connection with energy supplier... | 01/02/2007 |
| 7157833 | Tool using a piezo actuator A tool has a tool insert and an electrically operated drive unit oscillatingly driving the tool insert. The drive unit has a piezo actuator and an adjusting travel enlarger coupled to the piezo actuator. The adjusting travel enlarger has a master piston, at least on... | 01/02/2007 |
| 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 |
| 7127895 | Systems and methods for providing backup energy to a load Backup energy systems utilizing compressed air storage (CAS) systems and bridging energy systems to supply backup power to a load are provided. During a power failure, the bridging energy system provides backup power to the load at least until the CAS system begins ... | 10/31/2006 |
| 7110904 | Control strategy for an internal combustion engine in a hybrid vehicle A system and method is disclosed for operating an internal combustion engine disposed in a hybrid vehicle, in which engine operation is selected to provide secondary vehicular functions, such as cabin heating, cabin cooling, and exhaust aftertreatment of exhaust com... | 09/19/2006 |
| 7110865 | Method for power adaptation in an electricity network According to the invention, power matching in an electricity grid (N) is carried out by regulation of a storage power station (S) which is operated in the grid. In the event of changes in the power available or in the power consumption in the grid, the power consump... | 09/19/2006 |
| 7086231 | Thermal and compressed air storage system Combined thermal and compressed air storage systems are provided that utilize an exhaustless heater, such as a thermal storage unit, to provide power with enhanced efficiency. Compressed air is heated by the thermal storage unit prior to entering a turbine, which po... | 08/08/2006 |
| 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 |
| 7062914 | Heat engines and associated methods of producing mechanical energy and their application to vehicles A closed cycle gas turbine system (40) comprising system comprising a compressor (52) for producing compressed gas, a gas turbine (42) for receiving the compressed gas, a heat storage means (44) having a first heat transfer means and adap... | 06/20/2006 |
| 7059132 | Steam generator feedwater control system for power plant In the control of feedwater to the steam generator in a power plant comprising one steam generator and a plurality of turbine plants, the water level in the steam generator and the flow rate balance between the steam flow rate and the feedwater flow rate of each tur... | 06/13/2006 |
| 7050900 | Dynamically reconfigurable internal combustion engine A dynamically re-configurable multi-stroke internal combustion engine, comprised of programmable computer processor controlled engine components for decoupling the four classic strokes of an internal combustion engine and electronically managing engine cylinder comp... | 05/23/2006 |
| 7042111 | System, method and apparatus for a redundant prime mover system The present invention provides a system, method and apparatus for a redundant prime mover system to drive a machine having an engine coupled to the machine, and a motor/generator coupled to the machine and an electrical network connection. The controller operates th... | 05/09/2006 |
| 7036315 | Apparatus and method for detecting low charge of working fluid in a waste heat recovery system In a waste heat recovery system having a superheat controller, a reference superheat controller operating trajectory is established and compared with operational superheat controller trajectories from time to time and measuring the deviation therebetween to determin... | 05/02/2006 |
| 7025558 | Process for the reliable operation of turbocompressors with surge limit control and surge limit control valve A process for the reliable operation of turbocompressors with a surge limit control and a surge limit control valve is described, in which the compressor delivers gases with different compositions and the composition of the gas (molecular weight) affects the perform... | 04/11/2006 |
| 7021063 | Reheat heat exchanger power generation systems A reheat heat exchanger is provided particularly for use in Rankine cycle power generation systems. The reheat heat exchanger includes a high pressure path between a high pressure inlet and a high pressure outlet. The reheat heat exchanger also includes a low pressu... | 04/04/2006 |
| 6996988 | AutoSolar Thermal Electric Conversion (ASTEC) solar power system A thermal collection system has a first tank for storing relatively hot working fluid and a second tank for storing relatively cold working fluid. A heat exchanger is connected for receiving the relatively hot working fluid from the first tank for providing heat to ... | 02/14/2006 |
| 6986251 | Organic rankine cycle system for use with a reciprocating engine In a waste heat recovery system wherein an organic rankine cycle system uses waste heat from the fluids of a reciprocating engine, provision is made to continue operation of the engine even during periods when the organic rankine cycle system is inoperative, by prov... | 01/17/2006 |
| 6960839 | Method of and apparatus for producing power from a heat source A method for producing power from a heat source comprises the steps of: heating an intermediate fluid with heat from the heat source and producing a vaporized intermediate fluid in an intermediate fluid heater/vaporizer. Heat from the vaporized intermediate fluid va... | 11/01/2005 |
| 6959546 | Method and apparatus for energy generation utilizing temperature fluctuation-induced fluid pressure differentials A method and apparatus for producing energy is provided for generating renewable energy. Captive compressed fluid cycles between two coupled containers through a motive power source. The captive compressed fluid flows between the containers in response to a differen... | 11/01/2005 |
| 6959549 | Micro-power unit A micro power unit comprises a Rankine cycle circuit powered by combustion of hydrocarbon fuel from tank (2). Combustion takes place on a combustion catalyst (6) in a chamber (5). The fluid circuit includes a boiler (10), turbine (11 | 11/01/2005 |
| 6955050 | Thermal storage unit and methods for using the same to heat a fluid A thermal storage unit having at least one annular flow channel formed between an inner and outer member is provided. The thermal storage unit uses conventional mill products to create annular flow channels that economically maximize the surface area of flow in cont... | 10/18/2005 |
| 6951105 | Electro-water reactor steam powered electric generator system An electro-water reactor steam powered electric generator system includes a steam boiler having water and steam chambers, a water intake pipe and a plurality of steam delivery pipes. An electric resistance heater is mounted under and around the boiler having power l... | 10/04/2005 |
| 6951107 | Two stroke steam-to-vacuum engine A two stroke steam-to-vacuum engine comprises a first cylinder (12) having a first piston (16), a first piston rod (18), and a first steam chamber (24), and a second cylinder (14) having a second piston (30), a second piston... | 10/04/2005 |
| 6938421 | Indirectly heated gas turbine control system A system for the control of an indirectly heated gas turbine comprising a primary system of controlling the temperature of heated compressed gas entering the expander, and an independent secondary system which includes a safety valve for instantaneous release of hea... | 09/06/2005 |
| 6918356 | Method and apparatus for optimizing a steam boiler system A method for controlling a steam boiler or oil heater for maximum fuel efficiency by systematically finding the most fuel-efficient combination of input control values. A characteristic multi-dimensional look-up table is created by temporarily operating the process ... | 07/19/2005 |
| 6912889 | Generator monitoring, control and efficiency A system for generating electricity includes a generator and an interface. The generator is coupled to the interface and provides data to the interface regarding electricity generation. The interface is coupled to a control node for monitoring and controlling the ge... | 07/05/2005 |
| 6907923 | Storage tank for hot water systems A heat pump system includes a compressor, a heat rejecting heat exchanger, an expansion device, and a heat accepting heat exchanger. A storage tank stores the water that cools the refrigerant in the heat rejecting heat exchanger. A mechanical interface plate positio... | 06/21/2005 |
| 6792756 | Gas supply control device for a gas storage power plant The present invention relates to a gas storage power plant (1) with a gas store (8), a turbogroup (2) and a gas supply line (9) which leads from the gas store (8) to the turbogroup (2). A gas supply control device (12... | 09/21/2004 |
| 6711903 | Integrated electric power and synthetic fuel plant A power plant generates electricity from carbonaceous material and fuel provided by a syngas plant such that clean electric power is generated and flue gas emissions are minimized. The syngas plant produces liquid fuel and unreacted syngas in a Fischer-Tropsch react... | 03/30/2004 |
| 6062017 | Steam generator A steam generator for a combined gas/steam power station plant has a gas-turbine circuit and a steam-turbine circuit, the exhaust gases of a gas turbine (4) giving off their residual heat to a steam turbine via the working medium flowing in a multi-pressu... | 05/16/2000 |
| 6012290 | Condenser performance optimizer in steam power plants A large electrical power plant includes two operating units, one of which is more efficient and is run as a base load unit. The less efficient operating unit is run only during periods of peak demand or when the more efficient unit is down. Hot condensate... | 01/11/2000 |
| 5914537 | Method and apparatus for quickly controlling the output of a power plant A method for quickly controlling the output of a power plant having a turbo-generator set with a steam turbine and a generator, activates energy storage present during a plant process in order to set an additional generator output. In order to achieve a p... | 06/22/1999 |
| 5873251 | Plant operation control system To attain a high efficiency plant production activity and further to contribute to the earth environment protection, the disclosed plant operation control system, comprises means for producing energy in a plant; means for producing products in the plant b... | 02/23/1999 |
| 5867988 | Geothermal power plant and method for using the same Extracted geothermal fluid (which may comprise geothermal liquid or brine) is used to operate a power plant by applying the extracted geothermal fluid to a vaporizer containing pre-heated working fluid for producing vaporized working fluid and from which ... | 02/09/1999 |
| 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 |
| 5755102 | Method of and means for producing power using concentrated brine A hygroscopic power plant utilizes low salinity liquid (e.g., sea water having a salinity of about 4%) and a source of high salinity liquid (e.g., brine having a salinity of about 38%) for generating electricity. The plant includes a flash chamber to whic... | 05/26/1998 |
