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| Number | Title | Issue Date |
| 8172157 | Cogeneration apparatus A thermal demand priority type cogeneration system, is made operative for obtaining power output without thermal demand. When the temperature in a hot water tank 17 is low, a heat request is output from a heat request generator 42 and thereby an engine... | 05/08/2012 |
| 8132738 | Device for heating, generating electric power, and cooling enclosed spaces A device for heating, generating electric power and cooling enclosed spaces, which is connected to at least one closed-circuit pipe which acts by thermal radiation and comprises at least one turbine or microturbine of the axial or tangential type or of the type that... | 03/13/2012 |
| 8011598 | SOFC power system with A/C system and heat pump for stationary and transportation applications An improved CHP system combining a VCCHP system with an SOFC system for application as a combined CHP system wherein the compressor motor of a heat pump is powered by a portion of the electricity generated by the SOFC, and wherein the thermal output of the heat pump... | 09/06/2011 |
| 7789318 | Wall mounted domestic combined heat and power appliance A wall mounted domestic combined heat and power appliance comprising housing (1) containing a prime mover to generate electrical power and heat output. At least one bracket (2) at each side of the housing mounts the housing to a wall (W). Each bracket ... | 09/07/2010 |
| 7600695 | Cogeneration system and method for controlling the same A cogeneration system and a method for controlling the cogeneration system in which waste heat of an engine is mainly used to prevent an outdoor heat exchanger from being frosted, or is used not only to prevent the outdoor heat exchanger from being frosted, but also... | 10/13/2009 |
| 7416137 | Thermodynamic cycles using thermal diluent A thermodynamic system that produces mechanical, electrical power, and/or fluid streams for heating or cooling. The cycle contains a combustion system that produces an energetic fluid by combustion of a fuel with an oxidant. A thermal diluent may be used in the cycl... | 08/26/2008 |
| 7368827 | Electrical assembly for monitoring conditions in a combustion turbine operating environment An electrical assembly for use in various operating environments such as a casing of a combustion turbine 10 is provided. The assembly may include an electrical energy-harvesting device 51 disposed in a component within the casing of the turbine to con... | 05/06/2008 |
| 7331312 | Waste heat recovery apparatus and method for boiler system An apparatus and method for recovery of waste heat in a boiler system, wherein heat from the hot condensate water in the system, which otherwise would be lost through dissipation, is used for other applications. Particularly, the waste heat energy recovered in the f... | 02/19/2008 |
| 7325400 | Rankine cycle and steam power plant utilizing the same A steam power plant (100) implementing an improved Rankine cycle (55) wherein steam is injected (82, 96) directly into the energy addition portion of the plant, and the resulting two-phase flow is pressurized by multiphase pumps (88, 98).... | 02/05/2008 |
| 7314356 | Fluid machine An outer end of a seal element for a fixed scroll is extended to a position close to an end of an inside spiral wall of the fixed scroll, and an outwardly extended portion is formed at an outer periphery of a disc-shaped base plate of a movable scroll, so that a bot... | 01/01/2008 |
| 7299638 | Combined heat and power system A combined heat and power system that may be ON/OFF controlled by the thermal load requirements for the system and/or operated at or below atmospheric pressure. ... | 11/27/2007 |
| 7286058 | Method and apparatus for powering remote devices A method and apparatus for powering one or more remotely-situated devices. In accordance with some embodiments of the invention, energy is added (at a convenient location) to a medium that the remotely-situated devices are associated with (e.g., a medium that the re... | 10/23/2007 |
| 7284709 | System and method for hydronic space heating with electrical power generation This invention provides a system and method for cogeneration of electric power and building heat that efficiently interfaces a liquid-cooled electric power generator with a multi-zone forced hot water (hydronic) space heating system. The system and method utilizes a... | 10/23/2007 |
| 7263416 | Electrical control unit for an automobile An electrical control unit for an automobile of which standby current is smaller. In an electrical control unit for an automobile having a microcomputer, an input circuit, a driver circuit, and a power supply circuit, which is started by a wake-up signal from the ci... | 08/28/2007 |
| 7255287 | Central heating An improved central heating reservoir (42) for use with central heating systems of the type having a boiler and a pump. The reservoir (42) is connected in line and has a liquid inlet (43) offset from an associated liquid outlet (44). Offs... | 08/14/2007 |
| 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 |
| 7216698 | Air-conditioning system An air-conditioning system for a building includes a hot water distribution circuit, a cold water distribution circuit, and several terminal air conditioning units. Each of the terminal air conditioning units includes a fan blowing air in a space of the building, a ... | 05/15/2007 |
| 7151326 | System and method for safely and efficiently capturing power currently produced by already available power supplies to power electrical devices in a truck while its engine is turned off The present invention is directed to an electrical system and method for providing power to a truck's cab while the truck's engine is turned off. An already available primary power supply of the truck and a secondary power supply generally located on a trailer being... | 12/19/2006 |
| 7145258 | Electricity generating and air conditioning system An electricity generating and air conditioning system including an engine, a generator connected to an output shaft of the engine to generate electricity, an air conditioner, which uses the electricity generated from the generator and includes a compressor, an indoo... | 12/05/2006 |
| 7143598 | Energy system making use of a thermoelectric power unit and natural gas stored in liquid form The invention relates to an energy system using as fuel natural gas stored in liquid form in at least one tank containing liquefied natural gas, the system comprising a feeder device provided with a heater device for heating liquefied natural gas and/or natural gas ... | 12/05/2006 |
| 7092949 | Recording medium having a plurality of sections storing root directory information A recording medium can store data which can be accessed exclusively by a particular person in a general circumstance of using a recording medium such as a personal computer circumstance. The recording medium stores the data having a directory structure. A first set ... | 08/15/2006 |
| 7080517 | Combustion method and apparatus A method comprising providing a combustion apparatus, introducing a fuel into the combustion apparatus, and introducing feed air into the combustion apparatus. The method further comprises using the combustion apparatus to cause at least some of the fuel and at leas... | 07/25/2006 |
| 7081688 | Energy recovery apparatus and method of operating energy recovering apparatus A system is provided to recover unutilized energy as electric power in hydraulic turbine power generation. The system includes a heat storage tank, a pump for pumping water from the heat storage tank and to air conditioning loads, a first water feed pipe connected b... | 07/25/2006 |
| 7066396 | Method and apparatus for enhanced heat recovery from steam generators and water heaters A heating system having a steam generator or water heater, at least one economizer, at least one condenser and at least one oxidant heater arranged in a manner so as to reduce the temperature and humidity of the exhaust gas (flue gas) stream and recover a major port... | 06/27/2006 |
| 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 |
| 7021553 | Space heating system with fuel cells and a connection to a public electrical network The space heating system with fuel cells (11) has a connection to a public electrical network (50). In this system a fuel (B) can be supplied to the fuel cells in gaseous form through a main gas valve (200) for the production of thermal and elec... | 04/04/2006 |
| 7021554 | Heating appliance A domestic combined heat and power system comprising a Stirling engine (1) and water heater in the form of a supplementary burner (17). The exhaust gas from the Stirling engine is used to preheat combustible gas entering the Stirling engine and subsequ... | 04/04/2006 |
| 7010930 | Method and system for cooling high power density devices A turbomachinery system for cooling a high power density device includes a turbomachine configured to deliver a high flux cooling medium toward the high power density device, a housing containing a motor, a compressor, or both, of the turbomachine, a heat exchanger ... | 03/14/2006 |
| 6971585 | System and method for protecting equipment from damage due to low or rapidly changing temperatures A system and method of protecting production tooling used in semiconductor fabrication from potentially damaging low temperatures or sudden temperature drops during periods of primary power outage and low outside temperatures. The boilers and pumps at a central util... | 12/06/2005 |
| 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 |
| 6957696 | Combination radiant and forced air climate control system A method and controller for controlling the operation of a zoned climate control system including a primary heat source, a secondary heat source, a cooling unit, and a humidifier unit. The controller is configured to receive both heating demand signals and cooling d... | 10/25/2005 |
| 6938828 | Apparatus and method for combined generation of heat and electricity The present invention relates to an apparatus for heating fluid in a pipe system, comprising: a first burner for heating pipes of the fluid circuit; a feed for air and/or fuel for causing combustion of this mixture by the burner; a second burner for heating a head o... | 09/06/2005 |
| 6931856 | Multi-spool turbogenerator system and control method An electrical power generating system is driven by a multi-spool gas turbine engine including at least first and second spools. The first spool comprises a turbine and a compressor mounted on a first shaft; the second spool has at least a turbine mounted on a second... | 08/23/2005 |
| 6912889 | Generator monitoring, control and efficiency A system for generating electricity includes a generator and an interface. The generator is coupled to the interface and provides data to the interface regarding electricity generation. The interface is coupled to a control node for monitoring and controlling the ge... | 07/05/2005 |
| 6775981 | Engine operated machine system An engine operated machine system includes an engine, a working machine driven by the engine, and a waste-heat recovery unit for recovering the waste heat of the engine, each being accommodated in a box-shaped case. The case is provided with a partition wall which p... | 08/17/2004 |
| 6679433 | Co-generator utilizing micro gas turbine engine The present invention provides a turbo heater which utilizes a gas turbine engine and a heat exchanger assembly. The gas turbine engine is adapted to efficiently operate over a prolonged period of time and at varying power outputs without adverse or detri... | 01/20/2004 |
| 6663011 | Power generating heating unit A power generating heating unit including a housing, a turbine for generating mechanical energy and heated exhaust gas, an electrical generator for converting the mechanical energy to electrical energy, and a heat exchanger for transferring heat from the ... | 12/16/2003 |
| 6595431 | Exhaust heat trap and redirecting system An exhaust heat trap and redirecting system for utilizing exhaust heat includes an electric generator including an internal combustion engine. The electric generator is electrically coupled to an electrical system of a dwelling. An exhaust conduit is flui... | 07/22/2003 |
| 6547153 | Heating and cooling system using frictional air heating A frictional heating system for communicating with an air supply duct to heat and cool air in a building, including an enclosure defining an interior, two air inlets, and at least one air outlet therein communicating with the interior of the enclosure for... | 04/15/2003 |
