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7340899 |
Solar power generation system
An economical solar generator system is provided wherein the solar energy collector is constructed from a plurality of heat exchangers of the kind used as evaporators in automobile air...
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7334406 |
Hybrid geothermal and fuel-cell system
A hybrid energy system heats or cools a plant with a geothermal unit powered at least partly by a fuel cell, which may also power other devices. The thermal fluid for the geothermal unit also cools...
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7331179 |
System and method for production of hydrogen
A technique is disclosed for a system and method for combined production of power and hydrogen utilizing the heat from a first working fluid heated by a geothermal energy source using a steam...
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7320221 |
Method and apparatus for using geothermal energy for the production of power
An apparatus and method for enhancing the flow of geothermal fluid from at least one injection well to at least one production well, which comprises a first horizontal geothermal well, which is...
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7318315 |
Method of combining wastewater treatment and power generation technologies
Applicant's preferred embodiment utilizes municipal wastewater effluent to replenish a depleted geothermal field. Condensate produced by expanding steam produced in the geothermal field through a...
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7251939 |
General method for disposal of produced water
A method and apparatus useful for disposing of the high volumes of produced water associated with coal bed methane natural gas wells. The method taught is to create steam from the produced water...
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7251938 |
System and method for recovering geothermal energy and for converting recovered geothermal energy into useful power
Recovery and conversion of geothermal energy from geologically stable, hot, dry rock is disclosed. Deep boreholes are drilled to form a system of feed and return conduits in the non-porous...
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7225620 |
Diffusion driven water purification apparatus and process
An apparatus for purifying water, such as for desalinization, includes a source of a heated air stream, the heated air stream having a temperature above an ambient temperature. A diffusion tower...
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7178337 |
Power plant system for utilizing the heat energy of geothermal reservoirs
A geothermal power plant system for producing electricity and process heat at least one compressed gas storage device and at least one gas compression device connected to the at least one...
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7124584 |
System and method for heat recovery from geothermal source of heat
A system is disclosed for generating energy from a geothermal heat source. The system includes a fluid injection system configured for injecting fluid into a subterranean formation and a fluid...
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7124583 |
Geothermal power generator
A Geothermal Power Generator which includes apparatus and method for the in-situ recovery of geothermal energy using thermionic or thermotunnelling converters. These are diode devices which produce...
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7059131 |
Method and system for exchanging earth energy between earthly bodies and an energy exchanger, especially to produce an electric current
An energy exchanger ( 2 ) is connected to an earth energy exchanger ( 18 ) via a flow line ( 10 ) and a return flow line ( 14 ). The flow line ( 10 ) and the return flow line ( 14 ) are both...
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7013645 |
Apparatus and method for generating electrical energy
An energy producing apparatus and method are provided to harness thermal energy from a down hole resource (such as oil or gas) on an offshore rig and to generate electrical power from the thermal...
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6994156 |
Air-conditioning system with thermal storage
An air-conditioning system with thermal storage system for storing cooling capacity. The storage system comprises a quantity of fill material that preferably comprises water or similar liquid that...
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6971238 |
Method for disposal of produced water
A method and apparatus useful for disposing of the high volumes of produced water associated with coal bed methane natural gas wells. The method taught is to create steam from the produced water...
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6912853 |
Method of and apparatus for increasing the output of a geothermal steam power plant
In accordance with the present invention, a method is provided for increasing the output of a geothermal steam turbine power plant comprising the steps of: providing a separate, additional flash...
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6820421 |
Low temperature geothermal system
A new thermodynamic cycle is disclosed for converting energy from a low temperature stream from an external source into useable energy using a working fluid comprising of a mixture of a low boiling...
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6708494 |
Device for utlilizing geothermal heat and method for operating the same
An apparatus and a method for using geothermal energy include the use of at least a first conduit, through which a working substance is carried downward into the interior of the Earth, at least one...
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6705085 |
Downhole electric power generator
A power generator for use in a wellbore formed in an earth formation, comprising an internal combustion engine having a cylinder and a piston defining a combustion chamber in the cylinder, the...
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6695061 |
Downhole tool actuating apparatus and method that utilizes a gas absorptive material
An actuator uses a gas absorptive material to produce displacement of a member of the actuator. In a described embodiment, an actuator includes a metal hydride powder. When the powder absorbs...
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6694766 |
Power generation systems with earth heat transfer
A system for increasing efficiency of a closed-earth-loop heat pump system; for increasing heat pump efficiency by feeding relatively colder water to heat pumps when they operate in a cooling mode;...
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6668554 |
Geothermal energy production with supercritical fluids
There has been invented a method for producing geothermal energy using supercritical fluids for creation of the underground reservoir, production of the geothermal energy, and for heat transport....
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6539718 |
Method of and apparatus for producing power and desalinated water
Apparatus for producing power and desalinated water from geothermal fluid according to the present invention comprises: a geothermal power plant that produces power from geothermal fluid supplied...
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6539717 |
Geothermal steam processing
As geothermal steam containing contaminants such as boron, arsenic, and mercury is passed through a turbine-condenser system, the contaminants preferentially collect in the initial condensate...
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6494251 |
Thermodynamic cycle using hydrostatic head for compression
A thermodynamic cycle is disclosed that uses compression and expansion to generate refrigeration or power in which at least some of the compression is effected by hydrostatic head of the...
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6314738 |
Multistage two-phase turbine
A multistage two-phase turbine having multiple stages to receive fluid, each stage having an inlet and outlet comprising nozzles at the inlet to each stage to accelerate the fluid that consists of...
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6301894 |
Geothermal power generator
A geothermal power generation system having an input well extending from the surface into a hot rock strata and an output well spaced away from the input well extending from the surface into the...
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6301893 |
Method and apparatus for converting natural heat energy into another form of energy
A method and apparatus for converting natural heat energy into another form of energy is disclosed. The method includes the steps of: (a) exposing one end of a superconductor body to a source of...
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6298663 |
Method and apparatus for producing power from geothermal fluid
Apparatus for utilizing geothermal fluid comprising a two-phase mixture of geothermal steam and brine produced by a production well, includes an input conduit connecting the production well with...
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6259165 |
Power generating device and method
A system and method are provided for supplying electric power by harnessing thermal energy below the Earth's surface. A boiler module, a turbine module, a condenser module and a generator module...
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6247313 |
Plant for exploiting geothermal energy
A plant for exploiting geothermal energy by circulating water through a geological formation (1) at a substantial depth below the earth surface (2), comprises at least one supply hole (3) leading...
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6247312 |
Method of and apparatus for using a 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...
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6216463 |
Method of combining waste water treatment and power generation technologies
Applicant's preferred embodiment utilizes municipal waste water effluent to replenish a depleted geothermal field. Condensate produced by expanding steam produced in the geothermal field through a...
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6212890 |
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...
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6112524 |
Method for removing contaminants from geothermal steam
Boron, silicon and/or arsenic in geothermal steam is removed by contacting the steam with an alcohol containing at least four carbon atoms or polyols having at least two carbon atoms.
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6073448 |
Method and apparatus for steam generation from isothermal geothermal reservoirs
A geothermal energy conversion system extracts heat from a heat source below the Earth's surface, which has a temperature above that of a fluid circulating through a closed system. A geothermal...
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6029453 |
Geothermal magnetohydrodynamics
A method and an apparatus are disclosed which enable conversion of geothermal energy into electrical energy using the principles of magnetohydrodynamics (MHD). A hot, electrically conductive fluid...
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6019903 |
Geothermal brine processing
A corrosive acid sulfate geothermal brine is mixed with a near neutral, bicarbonate geothermal brine containing above about 300 ppm silica to produce a relatively benign mixed brine of pH from...
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6009711 |
Apparatus and method for producing power using geothermal fluid
An apparatus for producing power from a geothermal fluid that is a mixture of high pressure steam and brine comprising a separator, a steam turbine coupled to a generator, a steam condenser, the...
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RE36282 |
System for using geopressured-geothermal reservoirs
Process of drilling a bore into a geopressured-geothermal reservoir containing a gas-laden fluid, allowing the fluid to escape through the bore, passing the fluid into a rotatable turbine which...
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5937934 |
Soil heat exchanger
A soil heat exchanger for effecting an energy exchange between earth soil and an energy exchanger and including a thermoinsulated flow duct arranged in a borehole formed in ground, a pump provided...
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5924287 |
Domestic energy supply system
An energy supply system which utilizes a vaporizing chamber containing a vaporisable liquid. A heat source is supplied to vaporize the liquid which drives an engine to produce mechanical energy. A...
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5911684 |
System for geothermal production of electricity
A system for the generation of electricity from geothermal energy that is less expensive, more efficient, and avoids dealing with undesirable byproducts, is disclosed. The system of the present...
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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...
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5858245 |
Inhibition of silicate scale formation
A method for controlling fouling of a production or reinjection well, a flashing vessel or a heat-exchange surface exposed to a high-enthalpy geothermal brine that forms metal/silicon-containing...
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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...
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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...
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5822990 |
Converting heat into useful energy using separate closed loops
Converting heat in a primary fluid (e.g., steam) to useful energy by multistage expansion of the primary fluid, heating of a multicomponent working fluid in a separate closed loop using heat of the...
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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...
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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....
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