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7891187 Multi-chamber heat accumulator for storing heat energy and for generating electrical energy  
A multi-chamber heat accumulator for storing heat energy as well as for generating electrical energy comprises a pit structure having a bottom, a sidewall, and a cover. The pit structure comprises...
7891188 Apparatus for producing power using geothermal liquid  
The present inventive subject matter is drawn to an apparatus for producing power using geothermal liquid comprising: a geothermal power plant for producing power using heat contained in...
7890217 Integrated real-time power and solar farm control system  
Certain embodiments of the invention may include systems and methods for controlling power in renewable solar energy sources. According to an example embodiment of the invention, a method is...
7886537 Power generation system and associated methods  
A power generation system comprises a turbine and a fluid warming device in communication with the turbine. The fluid warming device may comprise a housing, an inlet pipe carried by the housing,...
7882703 System and method for deployment of a cold water pipe  
A cold water pumping system comprises a center tube and a cold water pipe surrounding the center tube. The cold water pipe is supported from a bottom end of the center tube and an impeller is...
7877999 Power generation and space conditioning using a thermodynamic engine driven through environmental heating and cooling  
A thermodynamic engine is configured to convert heat provided in the form of a temperature difference to a nonheat form of energy. Heat is directed through a heating loop in thermal contact with a...
7870732 Submarine cold water pipe water intake system of an ocean thermal energy conversion power plant  
A submarine cold water pipe water intake system of an ocean thermal energy conversion power plant is installed at a cold water inlet of a power boat, and the cold water pipe includes: a water...
7854224 Solar chimney with internal and external solar collectors  
A solar chimney includes a solar collector which heats air in the chimney, producing updrafts which can be harnessed to perform useful work. The solar collector may be located inside or outside...
7854119 Hydroelectric device  
The present invention provides a hydroelectric device having a closed conduit portion extending along an elevational drop, with a turbine positioned at a lower elevation and in fluid communication...
7849690 Self contained in-ground geothermal generator  
A method of using geothermal energy to produce electricity by lowering a geothermal generator deep into pre-drilled holes below the Earth's surface. A geothermal generator includes a boiler, a...
7845406 Enhanced oil recovery system for use with a geopressured-geothermal conversion system  
A system and series of methods, which utilize Geopressured-Geothermal (GPGT) energy for the enhanced recovery of formation crude oil. The system is designed to interface with a conversion system...
7845345 Solar-powered system and method for providing utilities  
A solar-powered system and method for producing a utility, such as electricity, hot water, and/or potable water is disclosed. The system may be configured to produce the utilities alone or in...
7845172 Hybrid generation with alternative fuel sources  
A generating facility is provided for generating electricity from both solar and non-solar energy sources. The solar generating portion of the facility includes capability to directly generate...
7848853 System and method for controlling hydronic systems having multiple sources and multiple loads  
A system and method are provided to control hydronic systems having a plurality of on-demand sources, semi-on-demand sources, and intermittent sources that are fluidly or thermally coupled to a...
7836695 Solar energy system  
A solar energy system includes a plurality of concentrating dishes and a plurality of heated air collectors. Each collector receives directed rays of sunlight from one of the concentrating dishes....
7810331 Method for capturing energy from mechanical actions associated with recovery of underground fluids  
A method for capturing energy from mechanical actions associated with recovery of underground fluids, and for improving the economic feasibility of low producing, but viable, oil wells. The...
7810330 Power generation using thermal gradients maintained by phase transitions  
Power is generated from an ambient environment through the use of thermodynamic engines. A thermodynamic engine is disposed in the ambient environment and converts heat provided in the form of a...
7797939 Concentrating solar energy receiver  
A concentrating solar receiver that maximizes the amount of solar energy available for conversion to electricity that utilizes a primary reflector, a secondary reflector and a fresnel lens to both...
7797940 Method and system for producing power from a source of steam  
The present invention provides a power plant system for producing power using a source of steam, comprising: a vaporizer into which steam from a source of steam is supplied, for vaporizing organic...
7788924 System and method for in-line geothermal and hydroelectric generation  
A stack system and method for in-line geothermal and hydroelectric generation from recovered natural gas-fired water/steam process waste heat. The stack system and method is a new way of reusing...
7779635 Solar energy power generator  
A solar energy power generator comprises a solar energy heating device for absorbing solar energy for heating medium flowing therethrough; a secondary heating device for further heating medium...
7780852 Method for converting kinetic energy of gases or liquids to useful energy, force and work  
A system for producing energy includes a solvent chamber, a pressure chamber and a semi-permeable barrier separating the solvent chamber from the pressure chamber. The solvent chamber holds a...
7775045 Method and system for producing power from a source of steam  
The present invention provides a power plant system for producing power using a source of steam, comprising a vaporizer into which steam from a source of steam is supplied, for vaporizing organic...
7771568 Wind-solar desalination farm and park system  
A self sustaining desalination system includes a chamber having a transparent inclined cover and a transparent bottom for receiving seawater or the like. The system includes a channel for...
7757490 Power generation from solar and waste heat  
The invention relates to the generation of electricity and the ventilation of urban areas with the use of waste heat from air-conditioning systems, waste organic matter, fuel cells and wind. A...
7753122 Method of developing and producing deep geothermal reservoirs  
The present invention relates to a method and system for extracting and/or utilizing thermal energy from rock formations. This Abstract is provided to comply with rules requiring an Abstract that...
7748219 method and apparatus to convert low temperature thermal energy to electricity  
Methods and systems are disclosed to convert low temperature thermal energy to electricity. An example apparatus disclosed herein includes an electrical generating unit to receive heat energy to...
7735323 Solar thermal power system  
A solar thermal power generator includes an inclined elongated boiler tube positioned in the focus of a solar concentrator for generating steam from water. The boiler tube is connected at one end...
7735321 OTEC cold water pipe system  
A system for relieving the stress on an Ocean Thermal Energy Conversion (OTEC) cold water pipe includes a slidable joint that couples the OTEC cold water pipe to a surge tank at an opening in the...
7735483 Floating solar chimney  
A floating solar chimney includes several parts, e.g., the Main Chimney, the Heavy Base, and the Folding Lower Part. The main chimney includes cylindrical balloon rings full of non flammable light...
7735322 Wave elimination system for ocean thermal energy conversion assembly  
An ocean thermal energy conversion assembly includes a ship having support tubes connected between a lower part and a top deck of the ship so as to define an open space. A passage is defined...
7726127 Solar power for thermochemical production of hydrogen  
A solar-powered hydrogen production system includes a thermochemical system and solar heating system. The thermochemical system produces hydrogen. The solar heating system has a molten salt heat...
7726129 Stirling cycle engine  
An intermediate duct (108) is connected between first and second positive displacement machines (104, 106). An inlet duct (107) is connected to the first positive displacement machine (104). An...
7718887 Apparatus and method for harnessing heat energy  
Apparatus and method for harnessing heat energy uses at least one thermally conductive material in communication with a heat collecting material in order to conduct heat from a first region of the...
7712326 Energy transfer system and associated methods  
An energy transfer system includes an energy transfer device, a water inlet pipe and a water outlet pipe. The water inlet pipe may be connected to a water inlet of the transfer device to extract...
7705523 Hybrid solar nanogenerator cells  
A dye-sensitized solar cell including ZnO nanowire arrays grown of a flat substrate for harvesting solar energy is integrated with a piezoelectric nanogenerator for harvesting ultrasonic wave...
7685820 Supercritical CO2 turbine for use in solar power plants  
A solar-powered supercritical carbon dioxide turbine system includes a supercritical carbon dioxide turbine system and a solar heating system. The solar heating system has a molten salt heat...
7677042 Water vaporization apparatus  
A water vaporization apparatus is provided which uses the heat from the sun to vaporize water from a water collection means. The water collection means has a water container member which may be...
7658071 Solfire solar concentrator and pointer structure  
Solar generators have Fresnel lenses and spaced heat absorbers or photovoltaic cells for receiving focused solar rays. Heat is removed from their backs by boiling liquid in conical receivers. Pins...
7654073 Power generating systems and methods  
A power-generating system is provided for operating adiabatically and reducing emissions of greenhouse gases contributing to global warming. The system may include gas reactors and/or combustors...
7647773 Ground source heat pump well field design and control strategy for large tonnage  
The present invention features geothermal systems that use of a well field open loop scheme by interconnecting the well field through a system of mains and controlled branches, the latter composed...
7645930 Thermal optimization of a solar photovoltaic powered electrolyzer system  
One embodiment of the invention includes a process comprising transmitting electrical power produced by a PV array to an electrolyzer and transferring heat from the PV array to the electrolyzer....
7640746 Method and system integrating solar heat into a regenerative rankine steam cycle  
A method to integrate collected solar thermal energy into the feedwater system of a Rankine cycle power plant is disclosed. This novelty uses a closed loop, single phase fluid system to collect...
7628017 Production of hydrogen using low-energy solar energy  
The invention relates to a device for production of hydrogen, using low-energy solar energy, by means of solar traps (1) to give hot water (3) during the day and thermal radiators (2) to give cold...
7621129 Power generation system  
A geothermal power system for production of power, and in particular electrical energy, utilizing naturally occurring geothermal energy sources and a method for identifying and converting manmade...
7617680 Power generation using low-temperature liquids  
Methods and systems are disclosed for generating power though the use of thermodynamic engines and low-temperature liquids. A liquid cryogen maintains a temperature differential with a heat source...
7615884 Hybrid wind turbine system, apparatus and method  
A hybrid wind turbine assembly and method capable of providing a total firm power output. There is a wind power section which delivers non-firm power from the wind turbine to a generator section....
7607303 Zero emission natural gas power and liquefaction plant  
A zero-emissions power plant receives natural gas from wells at elevated pressure and temperature. Gas is expanded through one or more turbo-expanders, preferably reformed, and sent to a fuel cell...
7581592 System and method for the manufacture of fuel, fuelstock or fuel additives  
A method and system is provided relating to the production of ethanol or other renewable bio-fuels on a mass, large scale basis while maintaining a positive energy balance. In one example, the...
7574870 Air-conditioning systems and related methods  
Various embodiments of air conditioning systems are disclosed. The systems may include an air conditioner whose energy source is provided by heating of a first fluid. The first fluid may be in a...