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| Number | Title | Issue Date |
| 5970714 | Geothermal power plant operating on high pressure geothermal fluid A geothermal power plant operating on high pressure geothermal fluid includes a primary separator for separating the geothermal fluid into two channels, one containing high pressure steam and the other containing high pressure liquid. A primary steam turb... | 10/26/1999 |
| 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 |
| 5860279 | Method and apparatus for cooling hot fluids The cooling of a hot fluid is effected using a heat exchanger (11) adapted to receive the hot fluid and liquid coolant for cooling the hot fluid such that the liquid coolant is vaporized. A turbine (12), having an output shaft (19) connected to a fan (18)... | 01/19/1999 |
| 5857421 | Method of and means for producing combustible gases from low grade fuel Combustible gases from a solid fuel are produced by pyrolyzing the fuel in a pyrolyzer which also produces carbonaceous material. The carbonaceous material from the pyrolyzer is combusted in a furnace to produce combustion products that include hot flue g... | 01/12/1999 |
| 5857338 | Seal system for geothermal power plant operating on high pressure geothermal steam A seal system for a geothermal power plant of the type having a steam turbine operating on high pressure steam produced from geothermal fluid includes a high pressure seal housing associated with the high pressure stage of the turbine. The housing has a f... | 01/12/1999 |
| 5843302 | Solvent deasphalting unit capable of generating power Solvent deasphalting apparatus includes a separator that receives two inputs, a heavy hydrocarbon feed and a solvent feed; and the apparatus produces two outputs, an asphaltene/solvent stream and a deasphalted oil/solvent stream. A solvent recovery unit o... | 12/01/1998 |
| 5839282 | Method and means for using a two phase fluid A method for using a two-phase fluid includes separating the fluid into its two phases, one of which is a hot gas containing energy in the form of latent heat, and one of which is a hot liquid containing energy in the form of sensible heat; converting sen... | 11/24/1998 |
| 5833389 | Apparatus for controlling turbulence in boundary layer and other wall-bounded fluid flow fields Turbulence is controlled in boundary layer or wall-bounded fluid flow fields having a turbulent wall region which under natural conditions, has an average system of roll pairs or streaks adjacent the surface, and extending in the direction of flow, by loc... | 11/10/1998 |
| 5816048 | Method for utilizing acidic geothermal fluid for generating power in a rankine cycle power plant A method for utilizing acidic geothermal fluid (e.g., fluid having a pH of less than about 3.5) containing non-condensable gases in a geothermal power plant includes separating the geothermal fluid into steam and brine, applying the steam to a device from... | 10/06/1998 |
| 5814286 | Apparatus for separating solvent in a feed of solvent and deasphalted oil Apparatus for separating solvent in a feed of solvent and deasphalted oil produced in a deasphalting process includes a feed line for receiving the feed and constructed and arranged to produce a stream of fluid containing supercritical solvent and deaspha... | 09/29/1998 |
| 5809782 | Method and apparatus for producing power from geothermal fluid A modular power plant operating from a source of geothermal fluid that produces geothermal steam containing non-condensable gases such as hydrogen sulfide, and geothermal brine, includes a steam module and an organic fluid module. The steam module has a s... | 09/22/1998 |
| 5804060 | Method of and apparatus for producing power in solvent deasphalting units Power is generated in an organic Rankine cycle turbine by expanding a stream of solvent vapor produced by a flash drum in a deasphalting unit to produce a stream of expanded solvent vapor that is combined with a stream of solvent vapor and steam from a st... | 09/08/1998 |
| 5799490 | Externally fired combined cycle gas turbine An externally fired gas turbine system according to the present invention has a compressor for compressing ambient air and producing compressed air, an air heat exchanger for heating the compressed air to produce heated compressed air, a turbine for expan... | 09/01/1998 |
| 5797414 | Method and apparatus for controlling turbulence in boundary layer and other wall-bounded fluid flow fields Turbulence is controlled in boundary layer or wall-bounded fluid flow fields having a turbulent wall region characterized by a system of roll pairs extending in the direction of flow, and obliquely propagating structures interacting with the system of rol... | 08/25/1998 |
| 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 |
| 5740672 | Method for using geothermal power plant A transportation system is based on battery powered vehicles operating in an isolated geographic area within which a base electrical load during the day exceeds the normal electrical load during the night. The system is operated by generating power for th... | 04/21/1998 |
| 5713195 | Multi-fuel, combined cycle power plant method and apparatus A power plant includes a gas turbine unit having a compressor for compressing ambient air, a burner for burning fuel and heating air compressed by said compressor, and a turbine for expanding air heated by said burner to drive said compressor and produce ... | 02/03/1998 |
| 5704209 | Externally fired combined cycle gas turbine system An externally fired gas turbine system has a compressor for compressing ambient air and producing compressed air, an indirect-contact air heat exchanger for heating the compressed air to produce heated compressed air, an air turbine for expanding the heat... | 01/06/1998 |
| 5694772 | Method of apparatus for disposing of non-condensable gases present in geo fluid A stream of non-condensable gases that include hydrogen sulfide which are produced by a geothermal plant are disposed of by first compressing at least a part of the stream to form compressed gases. Spent geothermal liquid produced by the power plant is pr... | 12/09/1997 |
| 5687570 | Externally fired combined cycle gas turbine system An externally fired gas turbine system according to the present invention has a compressor for compressing ambient air and producing compressed air, an air heat exchanger for heating the compressed air to produce heated compressed air, a turbine for expan... | 11/18/1997 |
| 5685154 | Pressure reducing system and method for using the same An energy recovery, pressure reducing system for reducing high pressure gas in a transmission pipeline to a low pressure gas in a consumer pipeline includes an expander system having at least one expander for expanding the high pressure gas and producing ... | 11/11/1997 |
| 5671601 | Geothermal power plant operating on high pressure geothermal fluid Power is produced from high presser geothermal fluid by separating the fluid into high pressure steam and high pressure brine, expanding the high pressure steam in a high pressure turbogenerator for producing power and heat depleted steam, and separating ... | 09/30/1997 |
| 5664419 | Method of and apparatus for producing power using geothermal fluid Power is produced using a two-phase geothermal fluid, utilizing a separator for separating the geothermal fluid into a steam branch and a brine branch. A vaporizer, containing an organic fluid, is responsive to the steam in the steam branch for producing ... | 09/09/1997 |
| 5664414 | Method of and apparatus for generating power Apparatus for generating power includes a gas turbine unit having a compressor for compressing ambient air and producing compressed air, a combustion chamber to which the compressed air is supplied, a source of relatively high grade fuel for burning in th... | 09/09/1997 |
| 5660042 | Method of and means for using a two phase fluid A method for using a two-phase fluid includes separating the fluid into its two phases, one of which is a hot gas containing energy in the form of latent heat, and one of which is a hot liquid containing energy in the form of sensible heat; converting sen... | 08/26/1997 |
| 5651321 | Method of and means for producing combustible gases from low grade fuel In accordance with the present invention, a method for supplying solid material such as hot carbonaceous material from a pyrolyzer or reactor to a furnace, is provided comprising providing a screw conveyor for receiving the solid carbonaceous material fro... | 07/29/1997 |
| 5640842 | Seasonally configurable combined cycle cogeneration plant with an organic bottoming cycle A seasonally configurable combined cycle cogeneration plant of the type having a gas turbine unit for producing power and hot exhaust gases, includes a heat recovery water heater for receiving the exhaust gases. The heat recovery water heater contains an ... | 06/24/1997 |
| 5632148 | Power augmentation of a gas turbine by inlet air chilling In order to augment the power produced by a gas turbine system of a type having an air compressor for producing compressed air, a combustor for heating the compressed air, and a gas turbine responsive to the heated air for driving the air compressor and t... | 05/27/1997 |
| 5632143 | Gas turbine system and method using temperature control of the exhaust gas entering the heat recovery cycle by mixing with ambient air A gas turbine system with a heat recovery cycle includes a gas turbine unit that produces hot exhaust gases which are applied to a heat recovery heat exchanger containing a working fluid responsive to applied hot gases for producing vaporized working flui... | 05/27/1997 |
| 5628190 | Geothermal power plant and condenser therefor A geothermal power plant operating on geothermal fluid includes a source of low pressure geothermal steam, and a turbo-generator including a low pressure steam turbine to which the geothermal steam is applied, and a generator coupled to the steam turbine.... | 05/13/1997 |
| 5622044 | Apparatus for augmenting power produced from gas turbines The power produced by a gas turbine system is augmented by a direct contact heat exchanger for contacting and cooling humid ambient air with cooler water for producing cooled ambient air and warmed water, and a precompressor device for compressing said co... | 04/22/1997 |
| 5606858 | Energy recovery, pressure reducing system and method for using the same An energy recovery, pressure reducing system according to the present invention for reducing high pressure gas in a transmission pipeline to a lower pressure in a consumer pipeline includes a primary pressure regulator or regulating valve having an adjust... | 03/04/1997 |
| 5601688 | Method of and means for spraying droplets The horizontal distance traveled by droplets of starting solution sprayed into a gaseous medium above a catch basin, where the gaseous medium has a horizontal velocity component is controlled by controlling the size of the droplets as a function of the ho... | 02/11/1997 |
| 5598706 | Method of and means for producing power from geothermal fluid Power is produced from geothermal fluid containing non-condensable gases whose main constituent is carbon-dioxide. The geothermal fluid is separated into steam and geothermal liquid, the steam being applied to a steam turbine which produces power. The ste... | 02/04/1997 |
| 5595205 | Method of and apparatus for controlling turbulence in boundary layer and other wall-bounded fluid flow fields Turbulence is controlled in boundary layer or wall-bounded fluid flow fields having a turbulent wall region characterized by a system of roll pairs extending in the direction of flow, and obliquely propagating structures interacting with the system of rol... | 01/21/1997 |
| 5582690 | Method of and means for water desalinization Desalination of sea water is achieved using a solar pond that includes a halocline interposed between a convective upper wind mixed layer exposed to the ambient atmosphere, and a lower heat storage layer of hot, concentrated brine, Hot brine from the heat... | 12/10/1996 |
| 5582011 | Method of and apparatus for generating power from geothermal fluid containing a relatively high concentration of non-condensable gases A power plant operating on geothermal steam containing more than about 5% non-condensable gases includes a topping steam turbine for expanding the steam to produce power and from which exhaust steam is extracted at a pressure above atmospheric pressure, a... | 12/10/1996 |
| 5571490 | Method and means for exploiting fuel having high sulfur content High sulfur content fuel is combusted in the presence of oil shale containing significant amounts of calcium carbonate so that the sulfur and calcium carbonate oxidize and react to form calcium sulfate particulate which captures the sulfur and in the fuel... | 11/05/1996 |
| 5560210 | Rankine cycle power plant utilizing an organ fluid and method for using the same A Rankine cycle power plant has a vaporizer member responsive to heat input for vaporizing a working fluid and producing vaporized working fluid, a turbogenerator responsive to vaporized working fluid for generating power and producing heat depleted worki... | 10/01/1996 |
| 5531073 | Rankine cycle power plant utilizing organic working fluid A Rankine cycle power plant includes a pair of multistage turbine modules each of which has an input for receiving vaporized working fluid and an output shaft, and each of which is responsive to vaporized working fluid applied to its input for expanding t... | 07/02/1996 |
