Matches 1 - 50 out of 247 1 2 3 4 5 >
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7603861 System for recuperating, increasing and generating energy inherent within a heat source  
A system that is used for recuperating, increasing and generating energy that is inherent within a heat source. Any type of heat source can be utilized such as “ambient air” which is preferred,...
7584614 Immanuel system to produce electricity through geothermal energy  
A system for producing electricity by pumping a mixture of melted sodium/potassium metals through tubing within the walls of equipment which extends downward to the geothermal zone of the earth....
7523613 Process and device for utilizing waste heat  
A process, device and system are provided for utilizing waste heat from a waste heat source, especially from an internal combustion engine, by a coolant being heated and by this heat being used to...
7516619 Efficient conversion of heat to useful energy  
A heat transfer system includes a power sub-system configured to receive a heat source stream, and one or more heat exchangers configured to transfer heat from the heat source stream to a working...
7493763 LNG-based power and regasification system  
The present invention provides a power and regasification system based on liquefied natural gas (LNG), comprising a vaporizer by which liquid working fluid is vaporized, said liquid working fluid...
7469542 Cascade power system  
A cascade power system and a method are disclosed for using a high temperature flue gas stream to directly or indirectly vaporize a lean and rich stream derived from an incoming, multi-component,...
7458217 System and method for utilization of waste heat from internal combustion engines  
A system and method is disclosed to increase the efficient of internal combustion engines where the system and method converts a portion of thermal energy produced in the combustion process to a...
7428816 Working fluids for thermal energy conversion of waste heat from fuel cells using Rankine cycle systems  
A process for recovering waste heat which comprises: (a) passing a liquid phase working fluid through a heat exchanger in communication with a process which produces the waste heat; (b) removing a...
7409830 Fuel-cell actuated mechanical device  
A method generates mechanical energy by storing water in a fuel-cell and a pressure equalization device. The water stored in the fuel-cell is electrolyzed into hydrogen gas and oxygen gas, which...
7356993 Method of converting energy  
The invention provides a method of converting heat energy to a more usable form using a multi-component working fluid mixture that contains ammonia and water. The working fluid is operated in a...
7340897 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...
7337612 Method for the utilization of energy from cyclic thermochemical processes to produce mechanical energy and plant for this purpose  
There is described a method for operation of a traditional engine or turbine, where instead of a combustion reactor there are utilized cyclic thermochemical processes that drive the engine or...
7305829 Method and apparatus for acquiring heat from multiple heat sources  
The present invention relates to systems and methods for implementing a closed loop thermodynamic cycle utilizing a multi-component working fluid to acquire heat from two or more external heat...
7290393 Method for synchronizing an induction generator of an ORC plant to a grid  
The invention is a system and method for synchronizing an induction machine to an electrical grid. The embodiment described is an ORC power plant having a motor-generator in mechanical...
7287381 Power recovery and energy conversion systems and methods of using same  
In various illustrative examples, the system may include heat recovery heat exchangers, one or more turbines or expanders, a desuperheater heat exchanger, a condenser heat exchanger, a separator,...
7284376 Method of and apparatus for cooling a seal for machinery  
A method and an apparatus for producing power from a heat source comprising a nonane heater/vaporizer, an intermediate fluid vapor turbine mounted on a shaft that receives and expands the vaporized...
7278264 Process to convert low grade heat source into power using dense fluid expander  
A process to convert heat into power is set forth wherein, to make the cycle more suitable to low grade heat, the working fluid remains substantially in the liquid state after being heat exchanged...
7260934 External combustion engine  
An organic Rankine engine used to power a vehicle is provided with a quick-start system of pumps, electric heaters or pistons to generate a pressure differential across the motor, prior to the...
7254949 Turbine with vaned nozzles  
A machine designed as a centrifugal compressor is applied as an organic rankine cycle turbine by operating the machine in reverse. In order to accommodate the higher pressures when operating as a...
7240492 Fuel system used for cooling purposes  
A hydrogen fuel system in which the fuel is transformed from liquid to gas is used to administer cooling, e.g., air conditioning. The system incorporates first and second stage heat exchangers. The...
7225621 Organic working fluids  
The present invention provides an improved, commercially available organic working fluid, which is operable under a broad range of temperatures, is thermally stable, has a high auto-ignition...
7200996 Startup and control methods for an ORC bottoming plant  
The invention is a system and method for smoothly starting and controlling an ORC power plant. The system comprises a cascaded closed loop control that accounts for the lack of relationship between...
7197876 System and apparatus for power system utilizing wide temperature range heat sources  
A new method, system and apparatus for power system utilizing wide temperature range heat sources and a multi-component working fluid is disclosed including a heat recovery vapor generator (HRVG)...
7174716 Organic rankine cycle waste heat applications  
A machine designed as a centrifugal compressor is applied as an organic rankine cycle turbine by operating the machine in reverse. In order to accommodate the higher pressures when operating as a...
7146814 Micro-machine and a method of powering a micro-machine  
A rotatable micro-machine is comprised of a solvent reservoir, a porous evaporation region and a channel connecting the solvent reservoir to the evaporation region. The evaporation region may be...
7146813 Power generation with a centrifugal compressor  
A machine designed as a centrifugal compressor is applied as an organic rankine cycle turbine by operating the machine in reverse. In order to accommodate the higher pressures when operating as a...
7124587 Heat exchange system  
The invention is a system for heating hydrocarbon flows with three heat exchangers, wherein the first heat exchanger transfers heat from compressed heated air to a pressurized heat exchange fluid;...
7096665 Cascading closed loop cycle power generation  
Cascading Closed Loop Cycle (CCLC) and Super Cascading Closed Loop Cycle (Super-CCLC) systems are described for recovering power in the form of mechanical or electrical energy from the waste heat...
7081686 Power supply device for notebook computers  
This invention relates to an innovative power supply device for notebook computers, more particularly to a power supply device that can be carried with a notebook computer when computer users are...
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...
7062913 Heat engine  
A heat engine ( 10 ) achieves operational efficiencies by: 1) recovering waste heat from heat engine expander ( 14 ) to preheat heat-engine working fluid, 2) using super-heated working fluid from...
7062912 Integrated heat recovery systems and methods for increasing the efficiency of an oxygen-fired furnace  
An air separation unit separates air into an oxygen-rich and oxygen-deficient gas. Fuel gas and the oxygen-rich gas are preheated at heat exchangers through which hot flue gas flows. Combustion of...
7055327 Plasma-vortex engine and method of operation therefor  
A plasma-vortex engine ( 20 ), consisting of a plasmatic fluid ( 22 ) circulating in a closed loop ( 44 ) encompassing a fluid heater ( 26 ), an expansion chamber ( 30 ), and a condenser ( 42 ), is...
7055326 Single flow cascade power system  
A cascade power system is disclosed where a single basic working composition (BWC) of a multi-component working fluid stream is fully vaporized in a vaporization subsystem utilizing heat derived...
7047744 Dynamic heat sink engine  
A dynamic heat sink engine including a storage vessel having a working fluid outlet and a working fluid inlet. The lower portion of the storage vessel contains a cryogenic working fluid, such as...
7043919 Modular condensation and thermal compression subsystem for power systems utilizing multi-component working fluids  
New more efficient condensation and thermal compression subsystems for power plants utilizing multi-component fluids are disclosed that simplify the equipment needed to improve the overall...
7033688 Apparatus and method for controlling a fuel cell system  
The invention provides integrated fuel cell systems and associated operating methods wherein oxidant flow is controlled in response to an oxygen sensor in an exhaust stream of a fuel cell exhaust...
7028481 High efficiency Brayton cycles using LNG  
A modified, closed-loop Brayton cycle power conversion system that uses liquefied natural gas as the cold heat sink media. When combined with a helium gas cooled nuclear reactor, achievable...
7021060 Power cycle and system for utilizing moderate temperature heat sources  
A new thermodynamic cycle is disclosed for converting energy from a moderate temperature stream, external source into useable energy using a working fluid comprising of a mixture of a low boiling...
7013644 Organic rankine cycle system with shared heat exchanger for use with a reciprocating engine  
In order to effectively extract the waste heat from a reciprocating engine, the normal heat exchanger components of an engine are replaced with one or more heat exchangers which have the motive...
6993911 System for power generation in a process producing hydrocarbons  
The invention relates to a system for power generation in a process for producing hydrocarbons by catalytic conversion of synthesis gas, involving: i. an oxidation unit for producing synthesis gas...
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...
6983598 Engines driven by liquified or compressed gas  
An engine has a chamber ( 3 ) accommodating a rotor ( 5 ) providing shaft power from the expansion in the chamber ( 3 ) of a refrigerated or compressed drive fluid admitted to the chamber ( 3 ). A...
6981378 Method of and apparatus for producing uninterruptible power  
Uninterruptible power is supplied to a load connected to a power line by connecting the power line to a rotatable member that includes a Rankine cycle turbine coupled to a device that operates as a...
6968691 Recirculating medium turbine  
A turbine system including a turbine and a reservoir for working fluid and a turbine. the reservoir is closed so that the workng fluid is heatable up to the critical temperature of the working...
6968690 Power system and apparatus for utilizing waste heat  
A new Kalina thermodynamic cycle is disclosed where a multi-component working fluid is fully vaporized in a boiler utilizing waste heat streams such as flue gas streams from cement kilns so the...
6964168 Advanced heat recovery and energy conversion systems for power generation and pollution emissions reduction, and methods of using same  
Disclosed herein are various systems and methods for producing mechanical power from a heat source. In various illustrative examples, the system may include a heat recovery heat exchanger, a...
6962054 Method for operating a heat exchanger in a power plant  
The invention is a method for operating a heat exchanger in a power plant by pumping a heat exchange fluid around a set of tubes in the first heat exchanger; increasing the heat exchange fluid...
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...
6938422 Ambient energy fueled mechanical and electric power plant (AEFMEPP)  
A system for generating mechanical and or electric power using low grade thermal or electro-magnetic energy reservoirs, such as air, water and incident light to fuel the power generation cycle. The...
Matches 1 - 50 out of 247 1 2 3 4 5 >