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| Number | Title | Issue Date |
| 8151569 | System and method for transmitting thermal energy A system and method for transmitting thermal energy. The system includes an intake for introducing air at a first temperature; an exhaust for exhausting the air, the exhaust being provided at a higher vertical elevation than intake; and a thermal energy source provi... | 04/10/2012 |
| 7930889 | Gas or steam turbine with inlet air cooling A power plant with an industrial gas turbine engine or a steam turbine to drives an electric generator to generate electric power. The compressor of the IGT or the condenser of the steam turbine is connected to a heat exchanger to cool the compressor inlet air or th... | 04/26/2011 |
| 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 intake head; a water intake pipe formed by connecting composite pipes in a... | 01/18/2011 |
| 7264654 | Process and system for the condensation of multi-component working fluids A process and system for condensing a multi-component fluid is disclosed, where the process and system are designed to provide a substantial increase in a heat transfer coefficient during condensation of multi-component fluids resulting in a drastic reduction in siz... | 09/04/2007 |
| 7131270 | Apparatus and method for a heat engine A heat engine includes a plurality of heating side expansion chambers and cooling side expansion chambers, positioned on opposite sides of an axis, for providing rotation of an apparatus about its axis when the fluids inside the chambers expand and contract on the s... | 11/07/2006 |
| 7065967 | Process and apparatus for boiling and vaporizing multi-component fluids A new boiler or heat transfer apparatus is disclosed for use with multi-component working fluids which includes a vapor removal apparatus designed to maintain a substantial compositional identity between the boiling liquid and its vapor along a length of the apparat... | 06/27/2006 |
| 7062911 | Natural thermo-carrier heat release system A natural thermo-carrier heat release system that provides open or closed temperature regulation on an object with temperature delta to receive the heat release based on the work principle of descending of a flow at lower temperature and ascending at higher temperat... | 06/20/2006 |
| 7047733 | Compact electro-hydraulic generator to motorize cupola The present invention divulges a particularly compact electro-hydraulic generating set and its application in combination with a compact actuator to pilot the traverse movement of a close cupola head assembly or of one or several offset cupola head assemblies. | 05/23/2006 |
| 7026723 | Air filtering chimney to clean pollution from a city and generate electric power A solar chimney assembly including a chimney (3) is build using a mountain (11) as support. The chimney (3) receives air from a solar heat collector (1) that heats the air below it creating an updraft of air. The air goes up because of th... | 04/11/2006 |
| 7000693 | Control of hydrocarbon wells An apparatus controls the operation of a hydrocarbon production well. The apparatus includes a supply means for providing an electric power supply. The apparatus also includes a plurality of electrically operated actuating devices. The actuating devices can be a plu... | 02/21/2006 |
| 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 |
| 6941757 | Power cycle and system for utilizing moderate and low temperature heat sources A new thermodynamic cycle is disclosed for converting energy from a low temperature stream, external source into useable energy using a working fluid comprising of a mixture of a low boiling component and a higher boiling component and including a higher pressure ci... | 09/13/2005 |
| 6929876 | Septic battery A system for recapturing electrical energy from a waste stream is disclosed. Further, features of the invention can be used to reduce the energy required for waste stream processing. Various energy sources are identified within the waste stream, and source-specific ... | 08/16/2005 |
| 6851260 | Shape memory alloy actuator A shape memory alloy actuator comprising a body (1) connected through an arm (5) with an activating member (15), the body (1) being arranged for rotation around a pivot (2) and connected to a first wire (9) and a second wire... | 02/08/2005 |
| 6647725 | Thermal differential engine apparatus The present invention provides novel engine technologies for power generation and work applications. The engines transform sunlight, heat, or cold, directly into mechanical force. The invention uses a focusing means to apply temperature differentials to a... | 11/18/2003 |
| 6601389 | Liquified gas evaporating device for marine engines A liquefied gas evaporating device supplies liquefied petroleum gas to a marine engine, wherein the device includes a box that includes a heating body incorporating an evaporating chamber and a thermal chamber which are contiguous and separated by a commo... | 08/05/2003 |
| 6536215 | Method for optimally operating co-generation of electricity and heat and optimally operating district heating power plant A method for optimally operating co-generation of electricity and heat in which the district heating power range is divided to a lower range and a higher range is characterized in that base load electricity and regulation electricity are produced with a s... | 03/25/2003 |
| 6223532 | Multicycle energy riffle A method and apparatuses used in several interdependent energy transducing [energy] passageways. Each passageway uses [at least one] flow generators such as mechanical compressors, direct and indirect gravity [upon the generative fluid], condensing, [mean... | 05/01/2001 |
| 5685147 | Buoyancy and thermal differentials energy generator A system for extracting useful energy from two masses of matter having polarized hot and cold temperatures operates in its primary embodiment with a looped circulation passageway having a condensing phase, an expansion phase and s working generally gaseou... | 11/11/1997 |
| 5488828 | Energy generating apparatus An apparatus and method for obtaining energy is disclosed. The method includes heating a fluid in a liquid state by heat exchange with a heat source to generate a vapor of the fluid at a first elevation. The vapor of the fluid is caused to rise to a secon... | 02/06/1996 |
| 5272879 | Multi-system power generator A geothermal power system utilizes a fluid refrigerant capable of changing phase between liquid and gaseous states. The system includes a heat exchanger exposed to a heat source such as earth, water, air, or industrial waste for vaporizing the fluid in th... | 12/28/1993 |
| 5009069 | Method of recovering energy from ocean water A conduit extends from a platform on the surface of the ocean into cold deep ocean water containing dissolved gases. Sufficient water is drawn from the top of the conduit to cause the gas containing cold deep ocean water to enter the lower end of the cond... | 04/23/1991 |
| 4907410 | Thermal energy from environmental fluids A method of utilizing the thermal energy of environmental fluids to produce mechanical work or electricity by an energy conversion system wherein: the source fluid gives heat to the working fluid of a prime mover through a first heat exchange means and is... | 03/13/1990 |
| 4742682 | Energy-saving, direct-contact, parallel-flow heat exchanger An energy-saving, direct-contact parallel-flow heat exchanger includes a vertically oriented tower open at the top and bottom for defining a gas-flow conduit. A spray-head adjacent to the top of the tower sprays droplets of relatively warm brine into the ... | 05/10/1988 |
| 4537030 | Ocean thermal energy system An ocean thermal energy apparatus comprising a fluid cooling compartment, a fluid heating compartment, fluid conduits conducting cooled fluid from the fluid cooling compartment to the fluid heating compartment, generating apparatus, and pump apparatus to ... | 08/27/1985 |
| 4475342 | Method and means for lifting water and generating power therefrom Water is raised from a lower to a higher level by creating an air/water-droplet environment which is effective to establish a pressure head that imparts an upward velocity to the air in excess of the downward drift velocity of the droplets whereby the lat... | 10/09/1984 |
| 4416116 | Thermal engine arrangement A thermal engine arrangement comprising a series circuit charged with a vaporizable refrigerating medium, thermal fluid including a storing and preheating tank, an evaporator connected to the storing and preheating tank, a hood enclosing the storing and p... | 11/22/1983 |
| 4391099 | Atmospheric thermal energy conversion utilizing inflatable pressurized rising conduit A system and method of atmospheric thermal energy conversion is disclosed utilizing pressurized inflatable rising conduit. The method includes the steps of: (a) providing warm or cold gas at a predetermined elevation; (b) transporting the gas vertically f... | 07/05/1983 |
| 4382365 | Energy conversion derived from pressure and temperature differentials at different elevations A method and system of energy conversion derived from temperature and pressure differentials that may be provided between high and low elevations. A solution of a liquid in a gas is transported in a first conduit from a low elevation to a high elevation, ... | 05/10/1983 |
| 4370859 | Method of and means for lifting water and generating power therefrom Water is raised from a lower to a higher level by creating an air/water-droplet environment which is effective to establish a pressure head that imparts an upward velocity to the air in excess of the downward drift velocity of the droplets whereby the lat... | 02/01/1983 |
| 4347703 | Rankine cycle system employing seasonal temperature variations The invention provides a novel cold source for a Rankine cycle system which employs the use of cold seasonal temperatures to form an ice bed and which allows insulation of said ice bed from warm seasonal temperatures, the cold source comprising a containe... | 09/07/1982 |
| 4324983 | Binary vapor cycle method of electrical power generation A binary vapor cycle method of electrical power generation is disclosed wherein two refrigerant fluids can be used to operate an apparatus for the generation of mechanical power as well as electrical power generation. This method, which is essentially a d... | 04/13/1982 |
| 4318275 | Atmospheric thermal energy conversion system A method of providing useful work utilizing the difference between higher and lower elevations and an attendant difference in temperature. The method includes the step of providing a working medium comprised of more than one component, the components havi... | 03/09/1982 |
| 4307573 | Thermal-cycle engine A comparatively low heat differential is utilized for energy generation wherein flow of a fluid from a low temperature reservoir to a high temperature reservoir is maintained by the weight of the fluid, for example through utilization of centrifugal force... | 12/29/1981 |
| 4295333 | Melting icebergs to produce fresh water and mechanical energy Fresh water and mechanical energy are obtained from melting of icebergs. Warm surface seawater is contacted with a fluid, which is vaporized. The resulting vapor is used to generate mechanical energy and then is condensed by contacting it with cold melt w... | 10/20/1981 |
| 4254626 | Deaerating system for sea thermal power plants Apparatus for deaerating a stream of warm surface sea water for removing a portion of the gases from the water prior to its entry into a heat exchanger or boiler. The gases, such as oxygen, can be removed by subjecting the warm surface sea water to a vacu... | 03/10/1981 |
| 4222241 | Solar and wind energized power generation device An apparatus for generating power from the temperature difference between two bodies of fluid, one of which is heated by trapping solar energy in a dome and the other one of which is cooled by wind passing beneath an airfoil. A pair of heat exchange basin... | 09/16/1980 |
| 4203295 | Space reversible differential temperature engine The invention consists of a reversible differential temperature engine especially adapted to convert solar thermal energy into mechanical energy in the absence of gravity in space. This is achieved by reversible means which allow the alternate function of... | 05/20/1980 |
| 4187686 | Power generator utilizing elevation-temperature differential A power generator including a closed pressure resisting tubular loop having a lower warmed end and an upper cooled end joined by connecting penstock column and a return column, the tubular loop being filled with fluid under pressure, the critical point of... | 02/12/1980 |
| 4180982 | Instant return-stroke differential temperature engine The invention consists of a differential temperature engine in which the return stroke is achieved independently of the contraction of the vapor which induced the initial movement of the moving member. The engine consists of a relatively cold and a relati... | 01/01/1980 |
