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| Number | Title | Issue Date |
| 8042336 | Device for the storage of heat energy for subsequent conversion into electrical energy The invention relates to a device for the conversion of heat energy into another energy form provided with at least one heat input and pressure reservoir module, each comprising a heat-input transmitting device and a pressure reservoir, whereby said device and press... | 10/25/2011 |
| 7997076 | Rankine cycle load limiting through use of a recuperator bypass A system for converting heat from an engine into work includes a boiler coupled to a heat source for transferring heat to a working fluid, a turbine that transforms the heat into work, a condenser that transforms the working fluid into liquid, a recuperator with one... | 08/16/2011 |
| 7942000 | Rotary vane engine system A rotary vane engine system for using exhaust heat energy of a fuel-based heat engine. The heat engine includes a crankshaft being driven by a combustion cycle, and the heat engine generates exhaust gases by combustion. The system comprises an independent air system... | 05/17/2011 |
| 7637108 | Power compounder A power compounder is disclosed. The power compounder comprises a working fluid configured to receive thermal energy from waste heat of a prime mover, a working fluid collector, an evaporator configured to transfer waste heat to a working fluid producing a phase cha... | 12/29/2009 |
| 7464550 | Vehicle with combustion engine and auxiliary power unit Motor vehicle comprises a combustion engine with internal combustion of fuel and/or cold-flame product for driving the motor vehicle and thereby producing exhaust gas and an auxiliary power unit comprising an external burner and an expansion machine. A fuel tank wit... | 12/16/2008 |
| 7458215 | Stirling engine and hybrid system with the same The present invention provides a stirling engine, which is capable of reducing a frictional loss and eliminating possibility of deterioration of a heat exchanger due to lubricant oil applied to piston rings and the like. The stirling engine includes cylinders (22... | 12/02/2008 |
| 7458216 | Exhaust heat recovery apparatus An exhaust heat recovery apparatus (functioning as a Stirling engine), which is installed in, for example, an exhaust passage of an internal combustion engine and an exhaust passage of factory exhaust heat as restraining reduction in exhaust heat recovery efficiency... | 12/02/2008 |
| 7448213 | Heat energy recovery apparatus A heat energy recovery apparatus include a compressor which has a piston for compressing sucked-in working gas; a heat exchanger which makes the working gas compressed by the compressor absorb heat of high temperature fluid; an expander which has a piston to be move... | 11/11/2008 |
| 7430865 | Miniaturized waste heat engine A closed loop vapor cycle generated by a special device formed by heat transfer and a vapor expander it is utilized to convert waste heat from conventional power systems into additional thermodynamic work, thereby improving the overall power system efficiency. Super... | 10/07/2008 |
| 7392655 | Vapor compression refrigerating device In an automotive vehicle having a heater for a heating operation for a passenger room of the vehicle with use of waste heat of an engine, a vapor compression refrigerating device comprises a refrigerating cycle for a cooling operation for the passenger room. The vap... | 07/01/2008 |
| 7337869 | Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof A vehicle includes an integrated drive module coupled to an axle thereof. The module includes a hydraulic motor configured to provide motive power at an output shaft, and a differential for distributing the motive power to right and left portions of the axle. The hy... | 03/04/2008 |
| 7281380 | Heat exchange device A heat exchange system is provided that includes an evaporator (11) that carries out heat exchange between exhaust gas discharged from an exhaust port (16B) and water, exhaust gas passages (87, 88) on the upstream side in the direction of flow o... | 10/16/2007 |
| 7281379 | Dual-use radial turbomachine The impeller is preferably modified to use back swept, radial or forward swept blades to accommodate relatively low, medium and high lift, respectively applications for both centrifugal compressor and turbine rotor use. ... | 10/16/2007 |
| 7240505 | Cogeneration system A cogeneration system including a heat pump type air conditioner including an outdoor heat exchanger and an outdoor heat exchanger bypass conduit, and a cogeneration unit including a second outdoor heat exchanger, an outdoor heat exchanger bypass conduit, second out... | 07/10/2007 |
| 7239034 | Engine driven power inverter system with cogeneration A combined heat and AC power generating system is disclosed having black start capability for the full time, simultaneous production of both electricity and heat. Heat generated within the system is captured and used for heating applications such as heating building... | 07/03/2007 |
| 7181912 | Power device equipped with combustion engine and stirling engine A power unit for a vehicle, such as an automobile, includes an internal combustion engine 1 as a prime mover for the vehicle, a generator 3, and a Stirling engine 4 for driving the generator 3. The Stirling engine 4 uses the exhaus... | 02/27/2007 |
| 7152407 | Thermal energy recovery device Device (1) for the recovery of thermal energy from a first gas flow (11) from an internal combustion engine (10), the device being designed for the transfer of thermal energy from the first gas flow (11) to a second gas flow (12). ... | 12/26/2006 |
| 7104063 | Device for producing mechanical energy The invention relates to a device for producing mechanical energy. Said device contains an internal combustion engine and an expansion engine (20, 21) which is fed with superheated steam from a steam generator. Exhaust gases of the internal combustion engine ... | 09/12/2006 |
| 7040544 | System and method for warm air space heating with electrical power generation This invention provides a system and method for cogeneration of building heat and electric power and that efficiently interfaces a warm air heating system with a liquid-cooled electric power generator. The system and method utilizes an electric generator that is rat... | 05/09/2006 |
| 7028476 | Afterburning, recuperated, positive displacement engine The invention is a positive displacement heat engine; where the engine cycle comprises the steps of Ericsson (isothermal) compression, recuperative heat addition, Brayton (adiabatic) expansion, and recuperative heat removal; whose principle is heat addition to the c... | 04/18/2006 |
| 7007473 | Temperature control device of evaporator Evaporator temperature control means (U) that, in order to make the temperature of steam generated by heating water using exhaust gas of an engine coincide with a target temperature, controls the amount of water supplied to the evaporator based on the flow rate of t... | 03/07/2006 |
| 6998727 | Methods of operating a parallel hybrid vehicle having an internal combustion engine and a secondary power source The invention is directed toward methods for operating a parallel hybrid vehicle in a manner that responds to the operator's demand for power output, while maximizing engine efficiency and minimizing disruptions in vehicle drivability. According to principles of the... | 02/14/2006 |
| 6922997 | Engine based kinetic energy recovery system for vehicles A motor vehicle kinetic energy recovery system uses one or more cylinders of an internal combustion engine as the first or primary stage in a multi-stage high pressure air compression system, a compressed air storage system, compressed air operated drive train boost... | 08/02/2005 |
| 6913068 | Engine exhaust heat recovering apparatus A circulating path 12 is provided for circulating a heat transfer medium across the cooling section 6A and an exhaust heat exchanger 9. The circulating path 12 is communicated to an output heat exchanger which is mounted on a hot water st... | 07/05/2005 |
| 6910333 | Rankine cycle device of internal combustion engine A Rankine cycle system includes a first Rankine cycle (2A) operated by a first working medium and a second Rankine cycle (2B) operated by a second working medium. The first Rankine cycle (2A) is constituted from an evaporator (3A), an exp... | 06/28/2005 |
| 6901759 | Method for operating a partially closed, turbocharged gas turbine cycle, and gas turbine system for carrying out the method A gas turbine system includes a gas turbine (1, 2, 3) having a compressor (1) and a turbine (2), which via a common shaft (3) drive a generator (4), and a combustion chamber (6), the exit of which is connected to the entry t... | 06/07/2005 |
| 6837049 | Vehicle driving device In a vehicle designed so that a driven wheel is driven by uniting an output from an engine and an output from a Rankine cycle system to each other, an accelerator pedal and a throttle valve are connected electrically to each other by a DBW control unit. When an acce... | 01/04/2005 |
| 6810668 | Steam temperature control system for evaporator In order to control an actual temperature of a vapor generated by en evaporator (3) for heating water by an exhaust gas from an engine (1) to a target vapor temperature by varying the amount of water supplied from a supplied-water amount control inject... | 11/02/2004 |
| 6761030 | Waste heat recovery device of multi-cylinder internal combustion engine A waste heat recovering device for a multi-cylinder internal combustion engine, wherein among a plurality of exhaust pipes extending from cylinders of a multi-cylinder internal combustion engine, a plurality of exhaust pipes unlikely to cause exhaust interference ar... | 07/13/2004 |
| 6694737 | Compensation system for an engine of a vehicle A compensation system for a vehicle has a main reservoir, a vapor collector, an expansion tube, a working liquid supplying reservoir and an oil tank. The main reservoir is connected with the vapor collector via a heat absorbing pipe. The expansion tube is... | 02/24/2004 |
| 6672063 | Reciprocating hot air bottom cycle engine The invention is a reciprocating bottom cycle engine whose principal is heat addition by recovering heat from a top cycle engine through a counterflow heat exchange recuperator. The engine operation approximates the ideal bottom cycle for recovering heat ... | 01/06/2004 |
| 6662563 | Compact power generation apparatus and method of generating energy The present invention relates to a compact power generation apparatus for the generation of energy for powering various appliances, such as domestic appliances, comprising a housing accommodating an air cooled internal combustion engine, generator driven ... | 12/16/2003 |
| 6651433 | Brayton screw engine with brayton bottoming system An improved power system that recovers heat energy from the exhaust of internal combustion utilizing an internal combustion engine in combination with a Brayton bottoming system. Heat from a thermal battery drives the bottoming system to create electrical... | 11/25/2003 |
| 6415607 | High efficiency, air bottoming engine An air bottoming powertrain, suitable for use in automobiles includes an internal combustion engine, a compressor which receives gaseous working fluid and compresses it to an elevated pressure, a cooler for operating the compressor isothermally, an expand... | 07/09/2002 |
| 6397596 | Self contained generation system using waste heat as an energy source An electrical generation system that fully integrates heat utilization during the process. The system has two inputs: intake air and diesel fuel. Its outputs are some exhaust gas (carbon dioxide and nitrogen compounds), electricity, and extracted sulfur c... | 06/04/2002 |
| 6324846 | Exhaust gas recirculation system for an internal combustion engine An exhaust gas recirculation system for use with an internal combustion engine comprising a heat exchanger, a first turbocharger, and a generator. The first turbocharger provides compressed fresh air to an intake manifold. The heat exchanger cools the exh... | 12/04/2001 |
| 6324849 | Engine waste heat recovering apparatus An engine cooling unit and an exhaust gas heat exchanger 9 for use with the exhaust gas from an engine are connected with a circulation path 12 for circulating a heat transfer medium. The output of the circulation path 12 is connected via a conduit 18 to ... | 12/04/2001 |
| 6305170 | Engine waste heat recovering apparatus An exhaust gas released from the exhaust gas heat exchanger 9 is conveyed into the inlet of a bend 32 communicated to a silencer 31. The exhaust gas mixed with the condensed water is upwardly passed as a mixture fluid through a passage 322 and forced into... | 10/23/2001 |
| 6301891 | High efficiency, air bottoming engine An air bottoming powertrain, suitable for use in automobiles includes an internal combustion engine, a compressor which receives gaseous working fluid and compresses it to an elevated pressure, a cooler for operating the compressor isothermally, an expand... | 10/16/2001 |
| 6301890 | Gas mixture preparation system and method A system for preparing gas mixtures for combustion, reducing emissions during combustion and treating and purifying resultant exhaust gas mixtures includes an exhaust gas scrubbing and condensing heat exchanger which cleans, cools and dries an exhaust gas... | 10/16/2001 |
