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| Number | Title | Issue Date |
| 8169092 | Cogeneration system In a cogeneration system having a generator adapted to be connectable to an AC power feed line between a commercial power network and an electrical load, an internal combustion engine for driving the generator such that exhaust heat of the engine is supplied to a th... | 05/01/2012 |
| 8164205 | Power generation for a cellular tower Generating electrical power for a cellular tower using solar troughs. Unlike typical long, straight solar troughs, the solar troughs are formed into circular or other shapes such that they at least surround the cellular tower and may be attached to it at different h... | 04/24/2012 |
| 8093733 | Cogeneration system In a cogeneration system having a generation unit equipped with a generator and an internal combustion engine, there is installed with a hot water unit including a first flow channel connecting a water supply source with a thermal load, a heat exchanger exchanging h... | 01/10/2012 |
| 8058738 | Power generation for a cellular tower Methods and apparatuses are provided for generating electrical power for a cellular tower using solar troughs. Unlike typical long, straight solar troughs, the solar troughs are formed into circular or similar shapes such that they surround the cellular tower radial... | 11/15/2011 |
| 8035239 | Cogeneration system In a cogeneration system having a power plant that includes a generator and an internal combustion engine for driving the generator such that exhaust heat of the engine is supplied to a thermal load, there are provided a battery, a controller that controls operation... | 10/11/2011 |
| 8013458 | Vehicle heat exchanger arrangement A vehicle heat exchanger arrangement is provided basically with a heat exchanger, a pusher fan and a power recovery device. The heat exchanger has a first side and a second side. The pusher fan is disposed on the first side of the heat exchanger to push air through ... | 09/06/2011 |
| 7816796 | Hand-held power tool and method for operating a heating device of a hand-held power tool A hand-held power tool has a drive motor driving a tool and a generator. One or more heating devices having one or more heating elements are provided. The generator supplies the one or more heating devices with energy. A control device controls a power supplied to t... | 10/19/2010 |
| 7723858 | Power plant having a heat storage medium and a method of operation thereof A power plant for generating electricity has a high temperature heat reservoir and a low temperature heat reservoir. The plant is operated to store heat during off peak power periods and to use the stored heat during peak power periods to produce additional electric... | 05/25/2010 |
| 7705479 | Stirling engine instability detection and prevention A Stirling engine (1) includes a reciprocating piston which drives an alternator to provide an electrical output (7). The current signal (7) is measured by a current monitor (60) and a fast Fourier Transform value is produced. The FFT of ... | 04/27/2010 |
| 7663256 | Cogeneration system A cogeneration system is disclosed. The system has a cooling water circulation channel for returning cooling water of the engine to the engine after some of the cooling water has been removed. The cooling water circulation channel is provided with a cooling water pu... | 02/16/2010 |
| 7629701 | Modular power generating system The system comprises a main cogeneration module which can be supplied with a flow of fuel for a combustion process and is able to generate electrical energy and thermal energy in the form of a flow of at least one first hot fluid, preferably water. The main module h... | 12/08/2009 |
| 7566980 | System and method for creating a geothermal roadway utility with alternative energy pumping system A roadway system and method for energy generation and distribution are presented. This system allows a geothermal infrastructure to be tied into the roadway system electricity grid. The geothermal infrastructure may include energy exchangers that are electrically co... | 07/28/2009 |
| 7514805 | Drive axle having an electrical converter A drive axle for a working machine, in particular an industrial truck, has at least one electrical traction motor (1 or 2) and a second electrical machine, the traction motor (1 or 2) being arranged in the axial direction. In order to ext... | 04/07/2009 |
| 7492052 | Electronically moderated expansion electrical generator An electrical generator for use in conjunction with a heat exchange system having an evaporator and a condenser is presented. The electrical generator may include a control circuit, a moderator and a working spool. The moderator may include a moderator cylinder havi... | 02/17/2009 |
| 7459799 | Domestic combined heat and power unit A domestic combined heat and power (dchp) unit includes a Stirling engine 1 to provide heat for a domestic dwelling along with a source of electrical power. Under normal operation, the dchp is supplied with power from the national grid. When there is an inter... | 12/02/2008 |
| 7378749 | Electrical generator system An electrical generator system includes a source for producing heated gases, a conduit connected to the source for receiving a flow of the heated gases, and a generator assembly positioned in close proximity to the conduit. The generator assembly includes a pluralit... | 05/27/2008 |
| 7372171 | Fire protection The present invention concerns a wind power installation comprising a pylon and a pod arranged at the tip of the pylon. The invention further concerns a method of controlling such a wind power installation. In order to prevent a fire from occurring or at least to be... | 05/13/2008 |
| 7358620 | Methods and apparatus for ride-through operation of a complementary device to a transient power source In accordance with certain exemplary embodiments, the present technique provides methods and apparatus for providing operating power to a complementary device to an induction device based uninterruptible power source (UPS) via a direct current (dc) bus. In one embod... | 04/15/2008 |
| 7355297 | Methods and apparatus for electric power grid frequency stabilization A method and apparatus for operating a combined-cycle power system is provided. The system is coupled to an electric power grid. The system includes at least one electric power generator, at least one steam turbine coupled to the generator, at least one combustion t... | 04/08/2008 |
| 7353083 | Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators A power generation system includes a vanadium redox battery that interfaces with a control system to optimize performance and efficiency. The power generation system may include one or more wind turbine generators and one or more diesel fuel generators. The control ... | 04/01/2008 |
| 7340898 | Solar-thermal powered generator A solar-thermal powered generator has an absorber assembly which includes a gas permeable body of light absorbing material operative to absorb incident light and convert the absorbed light into heat. The gas permeable body of light absorbing material is supported in... | 03/11/2008 |
| 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 |
| 7329959 | Micro power generator and apparatus for producing reciprocating movement There is provided a micro power generator enhanced in efficiency and power generation output, and having an increased temperature range for operation. The micro power generator comprises: a high-temperature heat source; a low-temperature heat source; an enclosed bod... | 02/12/2008 |
| 7329961 | Device for deriving energy from moving fluids A system for energy exploitation of fluvial currents, onto bridges (P) or onto special structures, and for the collection of altitude water to be used as potential energy, and for the application to bi-directional or multi-directional marine and wind currents compri... | 02/12/2008 |
| 7315088 | Fluid device for recovery of the kinetic energy of a vehicle Described herein is a fluid device for the recovery of the kinetic energy of land vehicles, comprising an intake line, a delivery line, and a pumping unit, which is connected to the intake line and to the delivery line, and at least one actuating element set along a... | 01/01/2008 |
| 7309926 | Solar-powered pumping device A solar-powered pumping device comprising: a solar power converter for generating power from sunlight; a pump driven by power from said solar power converter; an actuator for controlling the orient... | 12/18/2007 |
| 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 |
| 7291932 | Auxiliary power unit for a diesel powered transport vehicle There is disclosed a system for use in transport vehicles, comprising in combination an auxiliary power unit (APU) for a transport vehicle powered by a diesel engine and having a fuel system, an engine exhaust system and a battery powered electrical system; and a lo... | 11/06/2007 |
| 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 |
| 7279800 | Waste oil electrical generation systems An on-site electrical power generation system utilizing environmentally hazardous waste oils as a combustible fuel. The disclosed invention utilizes environmentally hazardous waste oils generated by one or more on-site processes, such as, for example, by the mainten... | 10/09/2007 |
| 7276804 | Voltage regulator with improved protection and warning system This invention discloses a vehicle electrical system voltage regulator with improved electrical protection and warning means that discerns and responds to regulator, generator, or vehicle electrical system operation and malfunctions. The regulator includes monitorin... | 10/02/2007 |
| 7274111 | Methods and apparatus for electric power grid frequency stabilization A method and apparatus for operating a combined-cycle power system is provided. The system is coupled to an electric power grid. The system includes at least one electric power generator, at least one steam turbine coupled to the generator, at least one combustion t... | 09/25/2007 |
| 7271515 | Gas-cooled electrical machine with pressure charging A gas-cooled electric machine includes a generator housing, a rotor shaft, at least one axial fan disposed on the rotor shaft inside the generator housing and having a hub, and a pressure boosting apparatus associated with the axial fan and configured to raise an ab... | 09/18/2007 |
| 7263836 | Vortex tube cooling system Systems and methods for cooling a component within a housing adapted for subsurface disposal using a vortex tube. The housing contains a first pressure chamber; a vortex tube coupled to the first pressure chamber; a cooling chamber coupled to the vortex tube; and a ... | 09/04/2007 |
| 7262515 | Energy conversion systems using nanometer scale assemblies and methods for using same Energy conversion systems utilizing nanometer scale assemblies are provided that convert the kinetic energy (equivalently, the thermal energy) of working substance molecules into another form of energy that can be used to perform useful work at a macroscopic level. ... | 08/28/2007 |
| 7258836 | Freeze resistant buoy system A freeze resistant buoy system includes a tail-tube buoy having a thermally insulated section disposed predominantly above a waterline, and a thermo-siphon disposed predominantly below the waterline. ... | 08/21/2007 |
| 7256506 | Backup power hierarchy for a facility system A system is disclosed which accomplishes a method of providing backup power to a device in a facility. The method includes using turbines to combusting a fuel to generate a primary power source. If this source fails, a secondary source of power is obtained from a co... | 08/14/2007 |
| 7256511 | Turbine-generator equipment and installation method thereof Installation method of turbine-generator equipment controlling a turbine-generator is described. The method includes manufacturing a thyristor excitation equipment as a package including a circuit breaker, an excitation transformer, a power rectifier coupled with th... | 08/14/2007 |
| 7245032 | Mobile-power system utilizing propane generator, fuel cell and super capacitors The present invention is a mobile-energy generating system capable of providing redundant direct current power. It comprises a reciprocating engine and generator having dual fuel capability, a fuel cell, commercial electrical power hookups, and capacitors used for b... | 07/17/2007 |
| 7245035 | Modular energy-generating system The system comprises a main combined generating module which can be supplied with a flow of a fuel and which can generate electrical energy and thermal energy in the form of a flow of at least a first hot fluid, preferably water. The main module has an electrical ou... | 07/17/2007 |
