| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 290002000 | HEATING PLANTS | 40 |
| 20130033037 | Heat Engine and Heat to Electricity Systems and Methods for Working Fluid Fill System - Embodiments provide a heat engine system containing working fluid (e.g., sc-CO | 02-07-2013 |
| 20130076033 | SYNERGISTIC ENERGY ECOSYSTEM - Synergistic Energy Ecosystem using a co-generation system and method wherein waste energy from waste heat producers within an enclosure including an electric generator is reclaimed to supply heat to the cold end of a heat pump within the enclosure for optimized use in space heating a habitat and to the management of the distribution of electricity from the generator so as to supply electricity to the habitat and to neighbouring habitats when efficient, cost-effective or required to do so by distribution policies managing the energy eco-system. | 03-28-2013 |
| 20130043678 | CARBON DIOXIDE-BASED GEOTHERMAL ENERGY GENERATION SYSTEMS AND METHODS RELATED THERETO - A system comprises an injection well for accessing a reservoir containing a native fluid comprising a hydrocarbon. The reservoir is located below one or more caprocks, is at a first temperature, and is accessible without using large-scale hydrofracturing. The system further includes a production well in fluid communication with the reservoir, a supply apparatus configured to feed a non-water based working fluid at a second temperature that is lower than the first temperature through the injection well to the reservoir. The working fluid mixes with the native fluid to form a production fluid comprising at least a portion of the working fluid and at least a portion of the hydrocarbon at a third temperature that is higher than the second temperature. An energy recovery apparatus in fluid communication with the productions well converts energy contained in the production fluid to electricity, heat, or combinations thereof. | 02-21-2013 |
| 20130038055 | METHOD FOR CONVERSION OF LOW TEMPERATURE HEAT TO ELECTRICITY AND COOLING, AND SYSTEM THEREFORE - A method for producing electrical energy is disclosed which uses a heat source, such as solar heat, geothermal heat, industrial waste heat or heat from power production processes, providing heat of 150 ° C. or below, further comprising an absorber system in which a working gas, primarily carbon dioxide CO | 02-14-2013 |
| 20090045626 | Cogeneration system - In a cogeneration system having at least with a generation unit comprising a generator connectable to an AC power feed line between a commercial power network and an electrical load, an internal combustion engine for driving the generator, and a battery, the cogeneration system producing hot air/water through exchange heat generated by the engine to supply to a thermal load, it is determined whether it is a predetermined self-diagnosis time, and when the result is affirmative, the generation unit is operated by an output of the battery and self-diagnoses is made on at least one of output voltage of the battery, a speed of the engine and an output of the generator, when it is determined to be the predetermined self-diagnosis time. | 02-19-2009 |
| 20090045625 | Cogeneration system - In a cogeneration system having a generation unit comprising a generator connectable to an AC power feed line between a commercial power network and an electrical load, and an internal combustion engine for driving the generator and having a coolant circulation passage through which a coolant circulates, there are provided a first heat exchanger installed at the coolant circulation passage of the engine to exchange heat with the coolant, a blower that supplies intake air to the first heat exchanger to exchange heat and heat-exchanged hot air to a hot-air passage, a selector comprising a damper that selectively connects the hot-air passage to a room or to exterior, and a controller that controls operation of the selector based on thermal demand, i.e., to lead the hot air to the exterior when there is no thermal demand. | 02-19-2009 |
| 20090284011 | Continuos-Absorption Turbine - The present invention teaches that a power generation system of the type having been based on Dalton's law of expansion with an engineered gas suitable for changing phase between liquid and gaseous states within a engineered thermal differential. Using high pressure tubing in vacuum as a conduit for the engineered gas charge, heat energy is applied to the heat exchanger, the liquid gas expands and tries to equalize in the system, moving from its liquid receiver to the low pressure side of the system. Still mostly in liquid form the engineered gas passes through a pressure reversing valve, and turbines capable of running at high pressure. The gas then passes through a regulating orifice until decompression and condensation occurs in the second heat exchanger. The cycle then is continuous. The power generated can be stored in a power storage device or used directly through a power inverter. The invention has the advantage of being relatively cheap to manufacture, distribute, maintain, install and the advantage of being able to work in any climate | 11-19-2009 |
| 20130099491 | Method and System for Use of Waste Water in Enhanced Geothermal System Power Production and in Minimizing Waste Water Disposal Impacts - Methods for stimulating at least one fracture within a subterranean formation by pressurizing an injection subterranean well drilled in the subterranean formation with injected waste water are herein disclosed. | 04-25-2013 |
| 20090206599 | 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 thermal load and an actuator that opens and closes a throttle valve of the engine, there are provided a power demand detector that detects power demand of the electrical load, a thermal demand detector that detects thermal demand of the thermal load. The operation of the actuator is controlled in response to the detected power demand so as to increase or decrease the engine, and ignition timing of the engine is controlled in a retard direction in response to the detected thermal demand. With this, generation of surplus electricity is suppressed so as to improve operation efficiency. | 08-20-2009 |
| 20090206600 | 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 of the thermal load, a main switch disposed to be operable by an operator, a microprocessor that controls operation of the power plant when the main switch is turned on by the operator, and an external terminal adapted to transmit an activation signal to the controller upon manipulation by the operator when the main switch is kept off. In the system, the microprocessor is operated by power supplied from the battery in response to the activation signal so as to activate the power plant. With this, even when the operator stays at a place away from the main switch, the power plant can be activated to supply power to electrical loads. | 08-20-2009 |
| 20110291410 | ASSEMBLY FOR GENERATING ELECTRICAL AND THERMAL ENERGY - An assembly for generating electrical and thermal energy has a structure that supports a cogeneration device provided with a combustion engine supplied with fuel, an electric generator driven by the combustion engine, and at least one heat exchanger to heat a fluid for a thermal appliance using the heat produced by the combustion engine; the assembly also has a plurality of storage batteries, which guarantee the continuity of the flow of electrical energy during start-up of the electric generator and during load transients and are housed in a base of the structure. | 12-01-2011 |
| 20120098260 | VENTILATION OUTLET STRUCTURE OF COGENERATION SYSTEM - A ventilation outlet of a generation unit case installed outdoors and housing a generation unit including a generator and an internal combustion engine to drive the generator. The outlet comprise a maintenance box whose inside surfaces are attached with sound insulators and bored with an inlet hole at its upper portion to be communicated with an inside of the generation unit case and bored with an outlet hole at its lower portion that connects the inlet hole to exterior through a passage formed among the sound insulators. A flow guide plate is installed near the outlet hole to guide rainwater entered from outside to flow upward and a shield is installed at the passage to prevent the rainwater from flowing further upward. | 04-26-2012 |
| 20120187679 | COGENERATION APPARATUS - A cogeneration apparatus having a ventilation-introducing channel communicating an electrical-equipment compartment with a ventilation fan is disclosed. Driving the ventilation fan causes air to be led from an exterior of a cogeneration case through the electrical-equipment compartment to the interior of the ventilation-introducing channel. The air led to the interior of the ventilation-introducing channel is led to an electrical generator. The air led to the electrical generator is exhausted through a power-generation compartment to the exterior of the cogeneration case. | 07-26-2012 |
| 20080211230 | HYBRID POWER GENERATION AND ENERGY STORAGE SYSTEM - An integrated and hybrid energy provider and storage device system for enhancing the energy efficiency and minimizing greenhouse gas emissions particularly for systems that utilize energy in a discrete and discontinuous manner, such as plug-in hybrid vehicles is provided. The system provides automated means to generate power, distribute the preferably locally generated power to a multiplex array of energy storage devices in a dynamic manner. The system, when utilizing dynamic algorithms, preferably meets the complex demands of often conflicting energy storage device requirements and real-time demand loads in-conjunction with dynamic switching between energy storage devices to enhance the performance and effectiveness that is beneficial to both the aggregate energy efficiency and the individual owner demands of each energy storage device. | 09-04-2008 |
| 20090295158 | 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 heat between water flowing the first flow channel and engine coolant, a first electromagnetic solenoid regulating flow rate of the water heated by the heat exchanger, a second flow channel connected to the first flow channel, a boiler heating water flowing through the second flow channel, and a second electromagnetic solenoid regulating flow rate of the water to be heated by the boiler. The temperatures of the engine coolant and water at the first and second flow channel joint are detected and operation of the first and second valves is controlled based on the detected temperatures, rendering hot water tank unnecessary, thereby achieving the compact structure. | 12-03-2009 |
| 20090295157 | Cogeneration system - In a cogeneration system having three generation units each equipped with a generator and an internal combustion engine, a single hot water tank is prepared for the three generation units to contain hot water heated by exhaust heat of the engine. The temperature of the hot water contained in the tank and a power demand of an electrical load are detected. Then, the number of the generation unit or units to be operated is determined based on the detected power demand when the detected hot water temperature is equal to or less than a first predetermined value, and operation of the generation unit or units determined to be operated is controlled, thereby reducing a space for the installment of the tank and heat loss from the tank. | 12-03-2009 |
| 20080197630 | Cogeneration system - In a cogeneration system having a power plant comprising a generator connected to an AC power feed line between a power network and an electrical load and an internal combustion engine for driving the generator and for supplying its exhaust heat to a thermal load, the power supply from the generator to the power network is interrupted by turning off a switch installed in the feed line when an outage of the power network is detected, and a battery for storing DC power is connected to an inverter circuit to invert the DC power to AC power, such that the inverted AC power of the battery and the output of the generator are supplied to the electrical load, thereby enabling to respond to a power network outage for preventing reverse flow of the power output by the cogeneration system into the power network and supplying as much electric power as possible to the electrical load. | 08-21-2008 |
| 20100176591 | RECIPROCATING PISTON MACHINE WITH OSCILLATING BALANCING ROTORS - A machine includes at least one piston ( | 07-15-2010 |
| 20120193912 | Thermal Transformer - A system for providing a thermal transformer to provide heating and cooling to enclosed structures, most generally a building using solar power combined with geothermal storage and a heat powered heat pump to raise or lower the temperature of the stored energy to a useful temperature as needed. The system also has an electrical generation embodiment to provide electricity in addition to the heating and cooling. The system will collect and store solar energy and supply heated or cooled water to the building's existing HVAC system while consuming no fossil fuels and emitting no greenhouse gases. The system may also be used in one embodiment to supply power for the pumps/fans used to circulate the heated or cooled air or water throughout the building. | 08-02-2012 |
| 20120193911 | COGENERATION APPARATUS - A cogeneration apparatus for indoor installation includes: an airtight chamber provided within a housing, at least a power generator and an engine being accommodated within the airtight chamber; an intake duct connected to the airtight chamber for introducing air from outside the housing into the airtight chamber; and an exhaust duct connected to the engine for discharging exhaust gas of the engine. The air introduced through the intake duct cools the interior of the airtight chamber and is also sucked in to an air cleaner of the engine, and the exhaust gas of the engine is discharged directly to outside the airtight chamber through the exhaust duct. | 08-02-2012 |
| 20100194111 | COMBINED HEAT POWER SYSTEM - A combined heat power system comprises a Rankine cycle, optionally an organic Rankine cycle, using a fluid both in gaseous phase and liquid phase. The Rankine cycle comprises —an evaporator for evaporating the fluid from liquid phase to gaseous phase, an expander for expanding the fluid in gaseous phase provided by the evaporator. The expander is suitable to transform energy from the expansion of the fluid in gaseous phase into mechanical energy, —a condenser for condensing the fluid from gaseous phase from the expander to liquid phase and —a liquid pump for pumping the fluid in liquid phase provided by the condenser to the evaporator. The system comprises a heat source providing exhaust gas. The exhaust gas provides thermal energy for evaporating the fluid from liquid phase to gaseous phase by the evaporator. The system further comprises a generator unit for converting mechanical energy from expander to electrical energy. The expander is a volumetric expander. | 08-05-2010 |
| 20110025055 | Domestic combined heat and power generation system - A domestic combined heat and power generation system comprising a pair of Stirling engines mounted so that the vibrations of one substantially counteract the vibrations of the other. At least one engine burner heats the heads of the engines. An auxiliary burner provides additional heat. Gas and air are supplied to the engine burner and auxiliary burner controlled by a controller. A heat exchanger recovers heat from the exhaust gases from the engine burner and auxiliary burner and provide a heat output. An electrical output is provided from an alternator of each engine. The engines having a combined electrical power output of less than 2.5 kW. | 02-03-2011 |
| 20110042948 | DUMMY LOAD FOR A COMBINED HEAT AND POWER (CHP) SYSTEM - A method of operating a system for combined heat and power (CHP) includes generating electricity using a prime mover having a mechanical drive system. The method further includes distributing a variable amount of electricity from the prime mover to an electrical load and distributing a variable amount of electricity from the prime mover to a dummy load. | 02-24-2011 |
| 20090033095 | Regenerating an engine exhaust gas particulate filter in a hybrid electric vehicle - In a powertrain that includes an engine having a filter for removing particulate matter from engine exhaust gas, and an electric machine driveably connected to the engine, a method for controlling temperature of the filter including operating the engine to produce a magnitude of positive crankshaft power for driving the vehicle, increasing the temperature of the engine exhaust gas by operating the electric machine to increase load on the engine, and regenerating the particulate filter by passing engine exhaust gas at the increased temperature through the particulate filter. | 02-05-2009 |
| 20100187818 | Multi-process method of combined heat and power generation, biodiesel production, ethanol production, town gas production and methane production - The present invention relates to an energy efficient method of combined heat and power/combined-cycle electricity generation method and gasification method utilizing a multi-process method of producing, methane, biodiesel, and ethanol production. The waste heat from the combined heat and power generation/combined-cycle method and gasification method is utilized by these multiple methods in such a manner that the waste heat of each successive method serves directly as the heat reservoir for the succeeding method before it is reclaimed at the back-end of the combined-cycle method. | 07-29-2010 |
| 20110068575 | Hybrid integrated cogeneration system and method - A system and method is provided for converting electrical energy input provided by a renewable prime energy into efficient thermo-dynamic energy for cogeneration purposes, activated by the main infrared radiation means and an energy density increasing means functioning synergistically. A closely approximated ideal blackbody condition therein, is utilized to heat the (TES,) resulting in a highly stable total kinetic energy (TES) mass. Another section provides an energy density increasing means. Steam generates power and then heats residential or commercial buildings. Service hot-water and air conditioning is also provided. The system can be an auxiliary system for other power plants increasing efficiency. In the second embodiment, higher capacity low cost electricity generation enables efficient power cogeneration. A zero emission cogeneration system that includes a fast energy density increasing feature and central heating means, and second embodiment plant with high capacity cogeneration; are presented as what are new in the art. | 03-24-2011 |
| 20120119492 | Engine-Operated Device for Generating Electricity and a Method for Such - The invention concerns an engine-operated device for generating electricity using an internal combustion engine. The internal combustion engine drives a generator to generate electricity. The exhaust-gas flow of the internal combustion engine is at least partially fed to a turbo generator, in which electricity is also generated. The thermal energy contained in the exhaust-gas flow of the internal combustion engine and/or the turbo generator is utilized for additional generation of electricity and/or utilized as process heat. (Figure) | 05-17-2012 |
| 20100244444 | COMMUNAL HEATING AND POWER STATION UNIT HAVING A RECIPROCATING INTERNAL COMBUSTION ENGINE AND HAVING AN ELECTRICAL MACHINE - According to the invention, a communal heating and power station unit having a reciprocating internal combustion engine and having an electrical generator, which are coupled to one another by means of a shaft which transmits power, with the generator having a stator and a rotor, with the rotor being borne in a floating manner and with a reciprocating internal combustion engine housing also forming the stator housing or the stator housing being flange-connected to the reciprocating internal combustion engine housing. | 09-30-2010 |
| 20110254269 | HIGH EFFICIENCY COGENERATION SYSTEM AND RELATED METHOD OF USE - The invention is directed to a high efficiency cogeneration system capable of creating electricity and usable heat. The invention includes a fuel source, which can be a reservoir filled with a fossil fuel. The fuel source feeds a modified combustion engine that can turn a shaft to power an alternator to create electricity. The combustion engine creates hot gases that are treated by a catalytic converter. The byproduct and hot gases are then fed into one or more cooling manifolds. | 10-20-2011 |
| 20110163542 | HIGH POWER WIRELESS RESONANT ENERGY TRANSFER SYSTEM - A high power wireless resonant energy transfer system transfers energy across an airgap. | 07-07-2011 |
| 20100176592 | MICROTURBINE ASSEMBLY - It is suitable for a combined electric, thermal and/or mechanical power generation by being adapted to selectively operate according to a first operating mode for supplying mechanical power to a shaft to produce electrical power through an electrical generator ( | 07-15-2010 |
| 20090021010 | CLOSED-CYCLE MHD-FARADAY GENERATION OF ELECTRIC POWER USING STEAM AS THE GASEOUS MEDIUM - A closed-cycle system and method of electrical power generation uses steam to transport charge carriers through an MHD generator. Water droplets, fine particles or mixtures thereof are used as the charge carriers. The fine particles are sufficiently small to allow the particles to pass through pumps and other equipment in the flow path with little or no damage, thereby eliminating the need to remove and re-inject a seed material, or treat it prior to discharge to the environment. The high operating temperatures of prior art MHD generators are avoided, thereby allowing more economical and readily available materials to be used. The system and method also allows the MHD generator to be used as the bottoming cycle in a single-loop power generation system, with a conventional steam turbine-generator used as the topping cycle, resulting in an increased heat rate with reduced emissions of greenhouse gases and other pollutants, and with reduced heat rejection to the environment per unit of electricity produced. | 01-22-2009 |
| 20090212560 | Heating System, Wind Turbine Or Wind Park, Method For Utilizing Surplus Heat Of One Or More Wind Turbine Components And Use Hereof - A heating system includes at least one wind turbine, one or more wind turbine components producing surplus heat, and one or more cooling systems for removal of the surplus heat from the wind turbine components. The heating system also includes a mechanism for transporting at least a part of the surplus heat to heating processes in at least one location external to the at least one wind turbine. A wind turbine or wind park as well as a method for utilizing surplus heat of one or more wind turbine components is also contemplated. Further contemplated is use of a method for utilizing surplus heat of one or more wind turbine components in at least one wind turbine. | 08-27-2009 |
| 20120126537 | COGENERATION APPARATUS - A cogeneration apparatus includes a housing for accommodating an engine, a fuel line, an electrical generator, and a power converter part. The housing is partitioned into a power-generation compartment and an electrical-equipment compartment. Empty space in the housing is used to form a concave part, which is indented from the electrical-equipment compartment toward the power-generation compartment. The fuel line is disposed in the concave part. | 05-24-2012 |
| 20120126536 | COGENERATION APPARATUS - A cogeneration apparatus includes an electrical generator, an engine for driving the generator, and a heat exchanger for using waste heat of the engine as a heat source, which are housed in a housing. The apparatus is provided with an internal fuel line for supplying fuel to the engine from outside, and power wiring for supplying electrical power generated by the electrical generator to the outside. The housing has a substantially V-shaped lead-out part capable of leading the fuel line and the wiring to outside of the housing. | 05-24-2012 |
| 20120313371 | COGENERATIVE ORC SYSTEM - The invention is directed to an ORC (Organic Rankine Cycle) system at least partially co-generative for the production of electric energy and the heating of a fluid. The system includes at least two regenerative exchangers positioned in series on the route of the work fluid between the exit of an electric expander-generator group and the entrance of a condenser of the ORC system, and a heat exchanger-user connected by means of an offtake line to at least one of said regenerative exchangers to receive from them a part of the capacity of work fluid and crossed by the user fluid to be heated by means of a thermal exchange with said capacity of work fluid. A part of the capacity of the work fluid on exiting from the user exchanger is returned to the same regenerative exchanger. | 12-13-2012 |
| 20120256419 | COMBINATION HEATER AND ELECTRICAL GENERATOR SYSTEM AND RELATED METHODS - The invention is directed to a combination heater and electrical generator designed to allow continual use of the heating system in the absence of an external source of electricity. The system shares fuel and electrical inputs and also shares exhaust outputs so to facilitate ease of use installation as well as affording a small installation footprint. | 10-11-2012 |
| 20080296896 | Stirling Engine Instability Detection and Prevention - A Stirling engine includes a reciprocating piston which drives an alternator to provide an electrical output. The current signal is measured by a current monitor and a fast Fourier Transform value is produced. The FFT of the current signal has been found to be directly related to the stability of operation of the Stirling engine. As harmonic peaks in the FFT increase, this indicates that the stroke length of the piston is approaching or exceeding a safe maximum. Correction action, such as a reduction in heat to the Stirling engine, can be taken in consequence. | 12-04-2008 |
| 20120299297 | HYBRID BIOMASS PROCESS WITH REHEAT CYCLE - Methods and systems for the generation of electrical energy through the combination of steam flows produced from different fuel sources. Steam produced from processing of a biomass fuel source is combined with steam produced from the processing of natural gas or fossil fuel and routed through a steam turbine generator to produce electrical energy. The steam is preferably reheated after partial processing in the steam turbine generator and then recirculated for further processing in the steam turbine generators. Following extraction of all available energy from the steam, the steam is condensed to water, the feedwater is then reheated and pumped to the boilers of both energy sources for conversion into steam. | 11-29-2012 |
| 20110227339 | Biomass Fueled Combined Heat and Power Generator - A small (0.1 kW to 1000 kW) biomass fired electrical generator consisting of a boiler or furnace designed to burn biomass material, a thermal to mechanical energy converter and a mechanical to electrical energy converter. | 09-22-2011 |
