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| Number | Title | Issue Date |
| 7980080 | Fluid coupled heat to motion converter (a form of heat engine) FCHTMC FCHTMC engine defines a new device, not any makeover. Some instances of conflict, which may arise in general claims for the Stirling or all other engines, are, therefore, of no consequences. This engine improves over the power, efficiency, size, weight, complicity, ... | 07/19/2011 |
| 7665304 | Rankine cycle device having multiple turbo-generators A method for generating power, comprising the steps of: a) providing a Rankine Cycle device that includes a plurality of turbo-generators, each including a turbine coupled with an electrical generator, and at least one of each of an evaporator, a condenser, and a re... | 02/23/2010 |
| 7458220 | Complex fluid machine A complex fluid machine (100) comprises a compressor device (110) for a refrigerating cycle (20) and an expansion device (120) for Rankine cycle (30) to collect waste heat from an engine (10) and convert into a rotational fo... | 12/02/2008 |
| 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 vapor phase working fluid from the heat exchanger; (c) passing the va... | 09/30/2008 |
| 7412947 | Internal combustion engine system with hydrogen generation capability A dehydrogenated fuel tank 32 which is replenished with an organic hydride-contained hydrogenated fuel and a gasoline tank 48 which is replenished with normal gasoline are provided. In order to separate the hydrogenated fuel into a hydrogen rich gas an... | 08/19/2008 |
| 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 displaces the water stored in the pressure equalization device. The dis... | 08/12/2008 |
| 7398841 | Vehicle power assist by brake, shock, solar, and wind energy recovery An energy conversion apparatus and method using recovered energy sources including motor vehicle kinetic energy (deceleration and shock) and wind resistance, supplemented by liquefied air transferred to the vehicle and by solar radiation thereto. The energy sources ... | 07/15/2008 |
| 7398651 | 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, working fluid stream, extract energy from these streams, condensing a ... | 07/15/2008 |
| 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 thermodynamic cycle that includes liquid compression (30), vapori... | 04/15/2008 |
| 7350372 | System and method for selective heating and cooling A combined heating/cooling system and method is provided wherein an absorption tank (20) houses a refrigerant and absorbant mixture composition. A boiler (50) heats the high pressure mixture composition and vaporizes the refrigerant. Heated absorbant i... | 04/01/2008 |
| 7347294 | Power system for electrically powered land vehicle The power system for an electrically powered land vehicle extracts electrons from ambient air to generate adequate electrical power to operate the land vehicle electrical energy production and propulsion system. The extracted electrons generate enough electrical pow... | 03/25/2008 |
| 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 fluid heater/vaporizer. Heat from the vaporized intermediate fluid va... | 03/11/2008 |
| 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 turbine without the formation of waste gases that are harmful to the envir... | 03/04/2008 |
| 7322198 | System for vaporization of liquid fuels for combustion and method of use A gas stream with a reduced oxygen concentration relative to ambient air is used to vaporize a liquid fuel or liquefied higher hydrocarbon gas, or is mixed with a vaporized gas, and the reduced oxygen vaporized fuel gas is fed to a combustion device such as a premix... | 01/29/2008 |
| 7314104 | Steam driven road vehicle A steam driven road vehicle having a firebox, a boiler, a drive mechanism operated by steam from the boiler, a water supply supplying water to the boiler, and a drive connection connected between the drive mechanism and an axle of the vehicle. A fuel bin is supporte... | 01/01/2008 |
| 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 source streams in an efficient manner utilizing countercurrent exchange. ... | 12/11/2007 |
| 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 communication with a turbine. The motor-generator is operated with open windings ... | 11/06/2007 |
| 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, an accumulator, and a liquid circulating pump, etc. In one example, a ... | 10/30/2007 |
| 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 nonane, an organic fluid vaporizer that receives the expanded vapori... | 10/23/2007 |
| 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 against the heat source and a dense fluid expander is used in place o... | 10/09/2007 |
| 7278267 | Steam turbine plant A steam turbine plant partially utilizes a hydrocarbon fuel such as an LNG as a fuel to improve the efficiency of the plant. A steam turbine plant includes a boiler, a steam turbine, a feedwater system, and a superheating combustor. The boiler generates steam, and t... | 10/09/2007 |
| 7272942 | Method and system for purifying exhaust gas The invention relates to a method and system for purifying exhaust gas, especially a solvent-containing exhaust gas from refrigerator recycling, wherein the dried, pressurized exhaust gas is cryogenically condensed, the condensed components are separated from the re... | 09/25/2007 |
| 7260952 | Fluid machine A fluid machine has a compressor device for compressing refrigerant of a refrigerating cycle for an automotive vehicle, an electric rotating device operating as an electric motor for generating a rotational driving force to drive the compressor device or operating a... | 08/28/2007 |
| 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 engine reaching operating conditions. ... | 08/28/2007 |
| 7258724 | Method for the separation of residual gases and working fluid in a combined cycle water/steam process The invention relates to a method for the separation of residual gases and working fluid in a combined cycle water/steam process, which provides for the multi-stage compression and multi-stage expansion of the mixture of working fluid and reaction products from the ... | 08/21/2007 |
| 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 turbine, a suitable refrigerant is chosen such that the pressures and ... | 08/14/2007 |
| 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 first stage exchanger is used to benefit from the endothermic reacti... | 07/10/2007 |
| 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 temperature, low freezing point and high critical temperature and is benign... | 06/05/2007 |
| 7216712 | Treatment of oil wells Hydrocarbon solids are removed from an oil well by feeding into the oil well a composition comprising at least 40 vol. % dense phase carbon dioxide and at least 30 vol. % of a C1–C3 alkanol component and optionally one or more surfactants, un... | 05/15/2007 |
| 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 pump speed and pressure at startup so as to control pump speed and p... | 04/10/2007 |
| 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) subsystem, a multi-stage energy conversion or turbine (T) subsystem an... | 04/03/2007 |
| 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 turbine, a suitable refrigerant is chosen such that the pressures and ... | 02/13/2007 |
| 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 turbine, a suitable refrigerant is chosen such that the pressures and ... | 12/12/2006 |
| 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 constructed of capillary paths that enable a capillary action which pul... | 12/12/2006 |
| 7121190 | Fluid machine for gas compression refrigerating system A fluid machine for a gas compression refrigerating system comprises a first and a second working for performing a pump mode operation, in which working fluid of low pressure is sucked into and compressed by the working chambers. The fluid machine further comprises ... | 10/17/2006 |
| 7102249 | Generator for use in hydroelectric power station and method of using same One aspect of the present invention concerns a generator for a hydroelectric power station, having a stator and a rotatably mounted rotor, and first vanes which act on the rotor and which cause rotation of the rotor. In order for the generator to be of a smaller str... | 09/05/2006 |
| 7097674 | Diesel fuel compositions that contain glycerol acetal carbonates A diese fuel composition containing a major proportion of at least one diesel fuel and a minor proportion of at least one glycerol acetal carbonate of the formulae: in which: R1... | 08/29/2006 |
| 7096679 | Transcritical vapor compression system and method of operating including refrigerant storage tank and non-variable expansion device A transcritical vapor compression system includes a fluid circuit circulating a refrigerant in a closed loop. The fluid circuit has operably disposed therein, in serial order, a compressor, a first heat exchanger, at least one non-variable expansion device and a sec... | 08/29/2006 |
| 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 of a steam turbine system. The waste heat from the boiler and steam co... | 08/29/2006 |
| 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 out and unable to access alternate current power supply. The power sup... | 07/25/2006 |
