Class / Patent application number | Description | Number of patent applications / Date published |
290004000 | PLURAL PRIME MOVER | 26 |
20080211236 | Contra rotating generator - Disclosed herein is an apparatus of a contra rotating generator. The contra rotating generator comprises a cylindrical armature supported on an inner shaft. The inner shaft rotates in a first direction. A cylindrical magnetic field rotor is supported on an outer shaft. The outer shaft is oriented coaxially to the inner shaft. The outer shaft contra rotates opposite to the first direction. A plurality of cam followers maintains uniform air gap between outer surface of the cylindrical armature and inner surface of the cylindrical magnetic field rotor. The uniform air gap prevents mechanical contact between the cylindrical armature and the cylindrical magnetic field rotor. A sprag clutch prevents unidirectional rotation of the inner shaft and the outer shaft. The contra rotation between the cylindrical armature and the cylindrical magnetic field rotor increases relative magnetic flux speed for generating electrical power at low speeds of operation. | 09-04-2008 |
20080252081 | DOUBLE ALTERNATOR AND ELECTRICAL SYSTEM FOR A VEHICLE - A double alternator for a vehicle and a vehicle electrical system employing the double alternator. | 10-16-2008 |
20080258473 | HYBRID WIND TURBINE SYSTEM, APPARATUS AND METHOD - A wind turbine assembly and method capable of providing a total firm power output. There is a wind power section which delivers non-firm power from the wind turbine to a generator section. Then there is also an auxiliary power section which is capable of providing firm power to the same generator section. This can operate in three operating modes, namely an only wind power mode, an only auxiliary power mode, and a combined wind power and auxiliary power mode. | 10-23-2008 |
20080303289 | CONTROLLER COMPUTING A VIRTUAL TUNING CAPACITOR FOR CONTROLLING A FREE-PISTON STIRLING ENGINE DRIVING A LINEAR ALTERNATOR - A feedback control circuit and method for a control system used to control an electrical power generating source that comprises a free piston Stirling engine driving a linear alternator. A switching mode rectifier connects the alternator winding to an output circuit that includes an electrical energy storage means and is controlled by a pulse width modulator that controls the rectifier switching duty cycle and phase. The control system controls the pulse width modulator. The improvement computes a voltage across a virtual tuning capacitor and uses the computed voltage to control the switching mode rectifier so that the switching mode rectifier is switched in a manner that makes the alternator circuit operate as if a tuning capacitor were actually present and so that the control system controls the piston of the Stirling engine to maintain balance of the mechanical power generated by the Stirling engine and the electrical power absorbed from the engine by the alternator. | 12-11-2008 |
20090033102 | Method and apparatus for using wind turbines to generate and supply uninterrupted power to locations remote from the power grid - The present invention relates to a wind energy generating and storing system comprising methods and apparatuses for providing energy dedicated for immediate use and energy storage, to provide electrical power on an uninterrupted and continuous basis, to locations remote from an electrical power grid. In a large application, the invention contemplates having a predetermined number of windmills dedicated for immediate use, and a predetermined number of windmills dedicated for energy storage, as compressed air energy in one or more high pressure tanks. A hybrid windmill having the ability to simultaneously switch between energy for immediate use and energy storage can also be provided. | 02-05-2009 |
20090179434 | Gas power augmented wind generator - Compressed natural gas (CNG) fueled auxiliary power source in the 100-250 brake horsepower range, mounted (hung) on the rear of the wind generator main shaft, equipped with shaft speed sensors that have been calibrated to minimum/maximum desired main shaft (electrical generator) speed and that can engage and spin the main shaft attached to the electrical power generator on demand when there is insufficient wind to do so. | 07-16-2009 |
20090200809 | RECONFIGURABLE POWER SYSTEM USING MULTIPLE PHASE-SET ELECTRIC MACHINES - A reconfigurable power system that includes a gas turbine, flywheel, a first electric machine coupled to the gas turbine, a second electric machine coupled to the flywheel, the first and second electric machines being substantially similar in configuration, a first power device for coupling power from the first electric machine to a power grid, a second power device coupled to the second electric machine for driving the flywheel and coupling power from the second electric machine to the power grid, and a switch for coupling either the power generated by the first electric machine or the second electric machine to the grid. | 08-13-2009 |
20110080007 | SOLAR AND WIND ENERGY CONVERTER - A system for converting wind and solar energy for use with an electrical generator, the system includes a wind powered subsystem including: a rotor for receiving wind to generate mechanical energy; and a first shaft for providing a permanent mechanical coupling between the rotor and the electrical generator for transferring the generated mechanical energy to the electrical generator; a solar powered subsystem including: a solar collector for receiving solar energy to generate thermal energy; a thermo-mechanical engine coupled to the solar collector for converting the generated thermal energy into mechanical energy; and a second shaft mechanically coupled to the thermo-mechanical engine; and an interconnection subsystem for selecting between coupling the second shaft to the first shaft for combining the mechanical energy generated by the wind and solar powered subsystems to be transferred to the electrical generator, and decoupling the second shaft from the first shaft. | 04-07-2011 |
20130300132 | VEHICLE MOVEMENT ACTIVATED ELECTRICAL POWER GENERATOR, AND METHOD FOR PROVIDING ELECTRICAL POWER FOR ROADSIDE APPLICATIONS - Electrical power generation from vehicle movement where there is limited or no access to a power grid. A turbine disposed alongside, above, or under the road, harnesses the wind currents generated by a vehicle to drive an electrical power generator connected to a local electrical power system providing electrical power for roadside devices on the road ahead. Alternatively, pedals may be disposed on the road such that when a vehicle runs over them, the vertical motion of the pedals is translated into a rotational motion to drive an electrical power generator. The local electrical power system is used to supply power for roadside LEDs placed along the road ahead of the vehicle to illuminate the boundaries and perimeter, or for a roadside sign, camera, or deer whistle. The activation of the roadside devices is controlled based on whether it is day or night and the remaining charge of a battery. | 11-14-2013 |
20090058099 | Electro Gravity Plates for Generating Electricity from Passage of Vehicles Over the Plates - Electro-gravity plates are applied to road surfaces for generating electricity from the passage of vehicles over the plates. Each plate contains a packed lattice of electro-gravity cells that individually produces electricity from the passing vehicles. The cells use a variety of technologies to convert the kinetic energy and the gravitational potential energy of moving vehicles into electricity. A first type of cell includes a spring-loaded permanent magnet inside a solenoid. The passing vehicles cause the magnet to translate up and down inside the solenoid for generating electricity. A second type of cell includes a spring-loaded hammer and a piezoelectric material. The passing vehicles cause the hammer to compress the piezoelectric material for generating electricity. A third type of cell includes a counterweighted crank rotatably coupled to a dynamo. The passing vehicles cause the crank to rotate the dynamo for generating electricity. | 03-05-2009 |
20160186724 | Hybrid Electric Generation Systems for generating cleaner and renewable electric energy - An electric generating system that uses components comprised of a modified wind turbine, a modified roller coaster, a modified Ferris wheel, a power transfer assembly along with other prime movers and electric generators to generate cleaner and renewable electricity up to 24 hours a day, almost anywhere in the world, and at a cost competitive with coal-fired generating plants. This system can work without the use of water, wind, or the sun. | 06-30-2016 |
20090121495 | Combined cycle power plant - Combined cycle power plants and related methods are disclosed here. In the plants, a mediating thermal energy storage unit is used to store waste or residual thermal energy recovered from a heat engine employing a top thermodynamic cycle of the combined cycle power plant, so that the stored residual thermal energy may be used as an energy source in a bottom thermodynamic cycle of the power plant. In the combined cycle power plants described here, the heat engine employing a top cycle may comprise a Brayton cycle heat engine and the heat engine employing the bottom thermodynamic cycle may be a Rankine cycle heat engine. | 05-14-2009 |
20100013242 | Aircraft combination engines plural airflow conveyances system - An engine combination for generating forces with a gas turbine engine generating force, and an internal combustion engine provided in the combination as an intermittent combustion engine generating force having an air intake, there being a plurality of air transfer ducts each extending from a different location in the gas turbine engine so as to be capable to provide air in each of those air transfer ducts at one end thereof at pressures differing from one another and connected at the other end of each to the air intake to transfer air thereto. | 01-21-2010 |
20120242091 | ECCENTRIC DUAL ROTOR ASSEMBLY FOR WIND POWER GENERATION - An eccentric dual rotor assembly for wind power generation includes: a supporting structure for rotatably supporting a main shaft; a first rotor including a rotating frame and a plurality of wing assemblies provided on an outer surface of the rotating frame to receive wind and to rotate the rotating frame in the forward direction; a second rotor configured symmetrically to the first rotor and including a rotating frame and a plurality of wing assemblies provided on an outer surface of the rotating frame to receive wind and to rotate the rotating frame in the backward direction; a guide member installed at the front of the main shaft to guide oncoming wind blowing between the first and second rotors to the fronts of the first and second rotors; and power-transmitting means for transmitting kinetic energy generated by the rotation of the first and second rotors to a generating apparatus. | 09-27-2012 |
20130009408 | STORAGE OF COMPRESSED AIR IN WIND TURBINE SUPPORT STRUCTURE - An energy storage and recovery system employs air compressed utilizing power from an operating wind turbine. This compressed air is stored within one or more chambers of a structure supporting the wind turbine above the ground. By functioning as both a physical support and as a vessel for storing compressed air, the relative contribution of the support structure to the overall cost of the energy storage and recovery system may be reduced, thereby improving economic realization for the combined turbine/support apparatus. In certain embodiments, expansion forces of the compressed air stored within the chamber, may be relied upon to augment the physical stability of a support structure, further reducing material costs of the support structure. | 01-10-2013 |
20160254674 | WASTE HEAT RECOVERY SYSTEM | 09-01-2016 |
20080277944 | Aircraft combination engines complemental connection and operation - A power generation system for propelling, and generating electrical power in, an aircraft, using a gas turbine engine coupled to a turbine starter/generator unit having therein an electrical machine capable of being selected to be alternatively a motor and an electrical power generator and having a coupling shaft extending therefrom to be engaged with the air compressor in the gas turbine engine and further having an interconnection conductor for electrical energization. An internal combustion engine provided as an intermittent combustion engine in the aircraft has an air intake coupled through an air transfer duct connected to the air compressor to allow the transfer of compressed air thereto, and has in connection therewith a supply starter/generator unit with a coupling shaft extending therefrom to be engaged with the intermittent combustion engine power shaft. An interconnection conductor therein for electrical energization is electrically interconnected with the turbine starter/generator unit interconnection conductor. | 11-13-2008 |
20090273191 | POWER PRODUCING DEVICE UTILIZING FLUID DRIVEN PUMP - A power producing device apparatus includes a combustion engine and an electric motor connected to a dual drive transmission, and a housing. The dual drive transmission has opposing shafts, with the electric motor and the combustion engine acting on the dual drive transmission so as to drive the transmission. The entire assembly is enclosed by an enclosure which is a waterproof and sound reducing structure that can be custom designed to fit an environment it is to be used in. Examples of such an enclosure can include a log cabin for use at mountain resorts or municipalities, mini casino design, fiberglass or metal container for placement on the roof tops of high rise office and apartment complexes. | 11-05-2009 |
20100038917 | STEAM TURBINE CLUTCH AND METHOD FOR DISENGAGEMENT OF STEAM TURBINE FROM GENERATOR - A power generation system including: at least one elevated steam turbine receiving input steam at an elevated pressure and exhausting steam as low pressure steam; a low pressure steam turbine receiving low pressure steam exhausted from the elevated steam turbine, and a drive shaft for the low pressure steam turbine connected to a clutch which is reasonably coupled to a power generator, wherein the clutch has a first position in which power from the low pressure steam turbine is applied to the power generator and a second position in which power from the low pressure steam turbine is not applied to the generator. | 02-18-2010 |
20130082467 | METHOD FOR OPERATING A POWER PLANT - The method for operating a power plant including a gas turbine and a steam power generation system that activate, or drive, at least one electric generator, wherein the gas turbine produces flue gases that are supplied into a boiler of the steam power generation system. In a steady operation, the gas turbine generates a first output power greater than zero, the steam turbine generates a second output power greater than zero, and a total generated power is a sum of the first and second output powers and is substantially equal to a house load of the power plant. | 04-04-2013 |
20140070544 | HYBRID GEOTHERMAL POWER PLANT - The present invention provides a hybrid geothermal power plant, comprising a photovoltaic module for generating direct current electrical power, a geothermal unit for utilizing heat content of a geothermal fluid extracted from a production well to produce power, and a controller for coordinating operation of the photovoltaic module and the geothermal unit such that the power plant generates a substantially uniform electrical output. | 03-13-2014 |
20140327247 | MULTISOURCE RENEWABLE ENERGY GENERATION - A multisource generator system and associated processes generate electricity using one or more of wind power, hydropower, mechanical power, and solar power. The power sources may be selectively attached and activated to generate the electricity. A rotor may be actuated in response to both the wind power and the hydropower. The mechanical power may further actuate the rotor. | 11-06-2014 |
20130181461 | POWER PLANT UNIT - The invention relates to a power plant unit ( | 07-18-2013 |
20140001769 | GENERATOR MANAGEMENT SYSTEM THAT SELECTIVELY CUTS OFF FUEL TO A GENERATOR TO ADD A LOAD TO A BUS | 01-02-2014 |
20140361549 | METHOD AND SYSTEM FOR CONTROLLING A PORTABLE POWER SYSTEM - A method for controlling a portable power system, comprising: using a processor, selecting an engine efficiency range for a engine of a generator set of the portable power system, the engine efficiency range corresponding to a power output range of the generator set and to a power demand of a load coupled to the portable power system; when the power demand of the load is less than the power output of the generator set, storing excess power from the generator set in a first battery bank of the portable power system; when the power demand of the load is greater than the power output of the generator set, providing additional power to the load from a second battery bank of the portable power system; and, when at least one of a predetermined depth of discharge threshold is reached by the second battery bank and a predetermined state of charge threshold is reached by the first battery bank, switching between the second battery bank and the first battery bank. | 12-11-2014 |
20150035286 | METHODS OF OPERATING DUAL FED SYSTEMS - A method of operating a dual fed system is described where power is supplied to a electrical load from first and second ac busbars at a ratio that achieves a desired level of exhaust emissions such as nitrogen oxides (NO | 02-05-2015 |
290004000 | Tie with another generator | 4 |
20080211236 | Contra rotating generator - Disclosed herein is an apparatus of a contra rotating generator. The contra rotating generator comprises a cylindrical armature supported on an inner shaft. The inner shaft rotates in a first direction. A cylindrical magnetic field rotor is supported on an outer shaft. The outer shaft is oriented coaxially to the inner shaft. The outer shaft contra rotates opposite to the first direction. A plurality of cam followers maintains uniform air gap between outer surface of the cylindrical armature and inner surface of the cylindrical magnetic field rotor. The uniform air gap prevents mechanical contact between the cylindrical armature and the cylindrical magnetic field rotor. A sprag clutch prevents unidirectional rotation of the inner shaft and the outer shaft. The contra rotation between the cylindrical armature and the cylindrical magnetic field rotor increases relative magnetic flux speed for generating electrical power at low speeds of operation. | 09-04-2008 |
20080252081 | DOUBLE ALTERNATOR AND ELECTRICAL SYSTEM FOR A VEHICLE - A double alternator for a vehicle and a vehicle electrical system employing the double alternator. | 10-16-2008 |
20080258473 | HYBRID WIND TURBINE SYSTEM, APPARATUS AND METHOD - A wind turbine assembly and method capable of providing a total firm power output. There is a wind power section which delivers non-firm power from the wind turbine to a generator section. Then there is also an auxiliary power section which is capable of providing firm power to the same generator section. This can operate in three operating modes, namely an only wind power mode, an only auxiliary power mode, and a combined wind power and auxiliary power mode. | 10-23-2008 |
20080303289 | CONTROLLER COMPUTING A VIRTUAL TUNING CAPACITOR FOR CONTROLLING A FREE-PISTON STIRLING ENGINE DRIVING A LINEAR ALTERNATOR - A feedback control circuit and method for a control system used to control an electrical power generating source that comprises a free piston Stirling engine driving a linear alternator. A switching mode rectifier connects the alternator winding to an output circuit that includes an electrical energy storage means and is controlled by a pulse width modulator that controls the rectifier switching duty cycle and phase. The control system controls the pulse width modulator. The improvement computes a voltage across a virtual tuning capacitor and uses the computed voltage to control the switching mode rectifier so that the switching mode rectifier is switched in a manner that makes the alternator circuit operate as if a tuning capacitor were actually present and so that the control system controls the piston of the Stirling engine to maintain balance of the mechanical power generated by the Stirling engine and the electrical power absorbed from the engine by the alternator. | 12-11-2008 |
20090033102 | Method and apparatus for using wind turbines to generate and supply uninterrupted power to locations remote from the power grid - The present invention relates to a wind energy generating and storing system comprising methods and apparatuses for providing energy dedicated for immediate use and energy storage, to provide electrical power on an uninterrupted and continuous basis, to locations remote from an electrical power grid. In a large application, the invention contemplates having a predetermined number of windmills dedicated for immediate use, and a predetermined number of windmills dedicated for energy storage, as compressed air energy in one or more high pressure tanks. A hybrid windmill having the ability to simultaneously switch between energy for immediate use and energy storage can also be provided. | 02-05-2009 |
20090179434 | Gas power augmented wind generator - Compressed natural gas (CNG) fueled auxiliary power source in the 100-250 brake horsepower range, mounted (hung) on the rear of the wind generator main shaft, equipped with shaft speed sensors that have been calibrated to minimum/maximum desired main shaft (electrical generator) speed and that can engage and spin the main shaft attached to the electrical power generator on demand when there is insufficient wind to do so. | 07-16-2009 |
20090200809 | RECONFIGURABLE POWER SYSTEM USING MULTIPLE PHASE-SET ELECTRIC MACHINES - A reconfigurable power system that includes a gas turbine, flywheel, a first electric machine coupled to the gas turbine, a second electric machine coupled to the flywheel, the first and second electric machines being substantially similar in configuration, a first power device for coupling power from the first electric machine to a power grid, a second power device coupled to the second electric machine for driving the flywheel and coupling power from the second electric machine to the power grid, and a switch for coupling either the power generated by the first electric machine or the second electric machine to the grid. | 08-13-2009 |
20110080007 | SOLAR AND WIND ENERGY CONVERTER - A system for converting wind and solar energy for use with an electrical generator, the system includes a wind powered subsystem including: a rotor for receiving wind to generate mechanical energy; and a first shaft for providing a permanent mechanical coupling between the rotor and the electrical generator for transferring the generated mechanical energy to the electrical generator; a solar powered subsystem including: a solar collector for receiving solar energy to generate thermal energy; a thermo-mechanical engine coupled to the solar collector for converting the generated thermal energy into mechanical energy; and a second shaft mechanically coupled to the thermo-mechanical engine; and an interconnection subsystem for selecting between coupling the second shaft to the first shaft for combining the mechanical energy generated by the wind and solar powered subsystems to be transferred to the electrical generator, and decoupling the second shaft from the first shaft. | 04-07-2011 |
20130300132 | VEHICLE MOVEMENT ACTIVATED ELECTRICAL POWER GENERATOR, AND METHOD FOR PROVIDING ELECTRICAL POWER FOR ROADSIDE APPLICATIONS - Electrical power generation from vehicle movement where there is limited or no access to a power grid. A turbine disposed alongside, above, or under the road, harnesses the wind currents generated by a vehicle to drive an electrical power generator connected to a local electrical power system providing electrical power for roadside devices on the road ahead. Alternatively, pedals may be disposed on the road such that when a vehicle runs over them, the vertical motion of the pedals is translated into a rotational motion to drive an electrical power generator. The local electrical power system is used to supply power for roadside LEDs placed along the road ahead of the vehicle to illuminate the boundaries and perimeter, or for a roadside sign, camera, or deer whistle. The activation of the roadside devices is controlled based on whether it is day or night and the remaining charge of a battery. | 11-14-2013 |
20090058099 | Electro Gravity Plates for Generating Electricity from Passage of Vehicles Over the Plates - Electro-gravity plates are applied to road surfaces for generating electricity from the passage of vehicles over the plates. Each plate contains a packed lattice of electro-gravity cells that individually produces electricity from the passing vehicles. The cells use a variety of technologies to convert the kinetic energy and the gravitational potential energy of moving vehicles into electricity. A first type of cell includes a spring-loaded permanent magnet inside a solenoid. The passing vehicles cause the magnet to translate up and down inside the solenoid for generating electricity. A second type of cell includes a spring-loaded hammer and a piezoelectric material. The passing vehicles cause the hammer to compress the piezoelectric material for generating electricity. A third type of cell includes a counterweighted crank rotatably coupled to a dynamo. The passing vehicles cause the crank to rotate the dynamo for generating electricity. | 03-05-2009 |
20160186724 | Hybrid Electric Generation Systems for generating cleaner and renewable electric energy - An electric generating system that uses components comprised of a modified wind turbine, a modified roller coaster, a modified Ferris wheel, a power transfer assembly along with other prime movers and electric generators to generate cleaner and renewable electricity up to 24 hours a day, almost anywhere in the world, and at a cost competitive with coal-fired generating plants. This system can work without the use of water, wind, or the sun. | 06-30-2016 |
20090121495 | Combined cycle power plant - Combined cycle power plants and related methods are disclosed here. In the plants, a mediating thermal energy storage unit is used to store waste or residual thermal energy recovered from a heat engine employing a top thermodynamic cycle of the combined cycle power plant, so that the stored residual thermal energy may be used as an energy source in a bottom thermodynamic cycle of the power plant. In the combined cycle power plants described here, the heat engine employing a top cycle may comprise a Brayton cycle heat engine and the heat engine employing the bottom thermodynamic cycle may be a Rankine cycle heat engine. | 05-14-2009 |
20100013242 | Aircraft combination engines plural airflow conveyances system - An engine combination for generating forces with a gas turbine engine generating force, and an internal combustion engine provided in the combination as an intermittent combustion engine generating force having an air intake, there being a plurality of air transfer ducts each extending from a different location in the gas turbine engine so as to be capable to provide air in each of those air transfer ducts at one end thereof at pressures differing from one another and connected at the other end of each to the air intake to transfer air thereto. | 01-21-2010 |
20120242091 | ECCENTRIC DUAL ROTOR ASSEMBLY FOR WIND POWER GENERATION - An eccentric dual rotor assembly for wind power generation includes: a supporting structure for rotatably supporting a main shaft; a first rotor including a rotating frame and a plurality of wing assemblies provided on an outer surface of the rotating frame to receive wind and to rotate the rotating frame in the forward direction; a second rotor configured symmetrically to the first rotor and including a rotating frame and a plurality of wing assemblies provided on an outer surface of the rotating frame to receive wind and to rotate the rotating frame in the backward direction; a guide member installed at the front of the main shaft to guide oncoming wind blowing between the first and second rotors to the fronts of the first and second rotors; and power-transmitting means for transmitting kinetic energy generated by the rotation of the first and second rotors to a generating apparatus. | 09-27-2012 |
20130009408 | STORAGE OF COMPRESSED AIR IN WIND TURBINE SUPPORT STRUCTURE - An energy storage and recovery system employs air compressed utilizing power from an operating wind turbine. This compressed air is stored within one or more chambers of a structure supporting the wind turbine above the ground. By functioning as both a physical support and as a vessel for storing compressed air, the relative contribution of the support structure to the overall cost of the energy storage and recovery system may be reduced, thereby improving economic realization for the combined turbine/support apparatus. In certain embodiments, expansion forces of the compressed air stored within the chamber, may be relied upon to augment the physical stability of a support structure, further reducing material costs of the support structure. | 01-10-2013 |
20160254674 | WASTE HEAT RECOVERY SYSTEM | 09-01-2016 |
20080277944 | Aircraft combination engines complemental connection and operation - A power generation system for propelling, and generating electrical power in, an aircraft, using a gas turbine engine coupled to a turbine starter/generator unit having therein an electrical machine capable of being selected to be alternatively a motor and an electrical power generator and having a coupling shaft extending therefrom to be engaged with the air compressor in the gas turbine engine and further having an interconnection conductor for electrical energization. An internal combustion engine provided as an intermittent combustion engine in the aircraft has an air intake coupled through an air transfer duct connected to the air compressor to allow the transfer of compressed air thereto, and has in connection therewith a supply starter/generator unit with a coupling shaft extending therefrom to be engaged with the intermittent combustion engine power shaft. An interconnection conductor therein for electrical energization is electrically interconnected with the turbine starter/generator unit interconnection conductor. | 11-13-2008 |
20090273191 | POWER PRODUCING DEVICE UTILIZING FLUID DRIVEN PUMP - A power producing device apparatus includes a combustion engine and an electric motor connected to a dual drive transmission, and a housing. The dual drive transmission has opposing shafts, with the electric motor and the combustion engine acting on the dual drive transmission so as to drive the transmission. The entire assembly is enclosed by an enclosure which is a waterproof and sound reducing structure that can be custom designed to fit an environment it is to be used in. Examples of such an enclosure can include a log cabin for use at mountain resorts or municipalities, mini casino design, fiberglass or metal container for placement on the roof tops of high rise office and apartment complexes. | 11-05-2009 |
20100038917 | STEAM TURBINE CLUTCH AND METHOD FOR DISENGAGEMENT OF STEAM TURBINE FROM GENERATOR - A power generation system including: at least one elevated steam turbine receiving input steam at an elevated pressure and exhausting steam as low pressure steam; a low pressure steam turbine receiving low pressure steam exhausted from the elevated steam turbine, and a drive shaft for the low pressure steam turbine connected to a clutch which is reasonably coupled to a power generator, wherein the clutch has a first position in which power from the low pressure steam turbine is applied to the power generator and a second position in which power from the low pressure steam turbine is not applied to the generator. | 02-18-2010 |
20130082467 | METHOD FOR OPERATING A POWER PLANT - The method for operating a power plant including a gas turbine and a steam power generation system that activate, or drive, at least one electric generator, wherein the gas turbine produces flue gases that are supplied into a boiler of the steam power generation system. In a steady operation, the gas turbine generates a first output power greater than zero, the steam turbine generates a second output power greater than zero, and a total generated power is a sum of the first and second output powers and is substantially equal to a house load of the power plant. | 04-04-2013 |
20140070544 | HYBRID GEOTHERMAL POWER PLANT - The present invention provides a hybrid geothermal power plant, comprising a photovoltaic module for generating direct current electrical power, a geothermal unit for utilizing heat content of a geothermal fluid extracted from a production well to produce power, and a controller for coordinating operation of the photovoltaic module and the geothermal unit such that the power plant generates a substantially uniform electrical output. | 03-13-2014 |
20140327247 | MULTISOURCE RENEWABLE ENERGY GENERATION - A multisource generator system and associated processes generate electricity using one or more of wind power, hydropower, mechanical power, and solar power. The power sources may be selectively attached and activated to generate the electricity. A rotor may be actuated in response to both the wind power and the hydropower. The mechanical power may further actuate the rotor. | 11-06-2014 |
20130181461 | POWER PLANT UNIT - The invention relates to a power plant unit ( | 07-18-2013 |
20140001769 | GENERATOR MANAGEMENT SYSTEM THAT SELECTIVELY CUTS OFF FUEL TO A GENERATOR TO ADD A LOAD TO A BUS | 01-02-2014 |
20140361549 | METHOD AND SYSTEM FOR CONTROLLING A PORTABLE POWER SYSTEM - A method for controlling a portable power system, comprising: using a processor, selecting an engine efficiency range for a engine of a generator set of the portable power system, the engine efficiency range corresponding to a power output range of the generator set and to a power demand of a load coupled to the portable power system; when the power demand of the load is less than the power output of the generator set, storing excess power from the generator set in a first battery bank of the portable power system; when the power demand of the load is greater than the power output of the generator set, providing additional power to the load from a second battery bank of the portable power system; and, when at least one of a predetermined depth of discharge threshold is reached by the second battery bank and a predetermined state of charge threshold is reached by the first battery bank, switching between the second battery bank and the first battery bank. | 12-11-2014 |
20150035286 | METHODS OF OPERATING DUAL FED SYSTEMS - A method of operating a dual fed system is described where power is supplied to a electrical load from first and second ac busbars at a ratio that achieves a desired level of exhaust emissions such as nitrogen oxides (NO | 02-05-2015 |
290004000 | Induction generator | 2 |
20080211236 | Contra rotating generator - Disclosed herein is an apparatus of a contra rotating generator. The contra rotating generator comprises a cylindrical armature supported on an inner shaft. The inner shaft rotates in a first direction. A cylindrical magnetic field rotor is supported on an outer shaft. The outer shaft is oriented coaxially to the inner shaft. The outer shaft contra rotates opposite to the first direction. A plurality of cam followers maintains uniform air gap between outer surface of the cylindrical armature and inner surface of the cylindrical magnetic field rotor. The uniform air gap prevents mechanical contact between the cylindrical armature and the cylindrical magnetic field rotor. A sprag clutch prevents unidirectional rotation of the inner shaft and the outer shaft. The contra rotation between the cylindrical armature and the cylindrical magnetic field rotor increases relative magnetic flux speed for generating electrical power at low speeds of operation. | 09-04-2008 |
20080252081 | DOUBLE ALTERNATOR AND ELECTRICAL SYSTEM FOR A VEHICLE - A double alternator for a vehicle and a vehicle electrical system employing the double alternator. | 10-16-2008 |
20080258473 | HYBRID WIND TURBINE SYSTEM, APPARATUS AND METHOD - A wind turbine assembly and method capable of providing a total firm power output. There is a wind power section which delivers non-firm power from the wind turbine to a generator section. Then there is also an auxiliary power section which is capable of providing firm power to the same generator section. This can operate in three operating modes, namely an only wind power mode, an only auxiliary power mode, and a combined wind power and auxiliary power mode. | 10-23-2008 |
20080303289 | CONTROLLER COMPUTING A VIRTUAL TUNING CAPACITOR FOR CONTROLLING A FREE-PISTON STIRLING ENGINE DRIVING A LINEAR ALTERNATOR - A feedback control circuit and method for a control system used to control an electrical power generating source that comprises a free piston Stirling engine driving a linear alternator. A switching mode rectifier connects the alternator winding to an output circuit that includes an electrical energy storage means and is controlled by a pulse width modulator that controls the rectifier switching duty cycle and phase. The control system controls the pulse width modulator. The improvement computes a voltage across a virtual tuning capacitor and uses the computed voltage to control the switching mode rectifier so that the switching mode rectifier is switched in a manner that makes the alternator circuit operate as if a tuning capacitor were actually present and so that the control system controls the piston of the Stirling engine to maintain balance of the mechanical power generated by the Stirling engine and the electrical power absorbed from the engine by the alternator. | 12-11-2008 |
20090033102 | Method and apparatus for using wind turbines to generate and supply uninterrupted power to locations remote from the power grid - The present invention relates to a wind energy generating and storing system comprising methods and apparatuses for providing energy dedicated for immediate use and energy storage, to provide electrical power on an uninterrupted and continuous basis, to locations remote from an electrical power grid. In a large application, the invention contemplates having a predetermined number of windmills dedicated for immediate use, and a predetermined number of windmills dedicated for energy storage, as compressed air energy in one or more high pressure tanks. A hybrid windmill having the ability to simultaneously switch between energy for immediate use and energy storage can also be provided. | 02-05-2009 |
20090179434 | Gas power augmented wind generator - Compressed natural gas (CNG) fueled auxiliary power source in the 100-250 brake horsepower range, mounted (hung) on the rear of the wind generator main shaft, equipped with shaft speed sensors that have been calibrated to minimum/maximum desired main shaft (electrical generator) speed and that can engage and spin the main shaft attached to the electrical power generator on demand when there is insufficient wind to do so. | 07-16-2009 |
20090200809 | RECONFIGURABLE POWER SYSTEM USING MULTIPLE PHASE-SET ELECTRIC MACHINES - A reconfigurable power system that includes a gas turbine, flywheel, a first electric machine coupled to the gas turbine, a second electric machine coupled to the flywheel, the first and second electric machines being substantially similar in configuration, a first power device for coupling power from the first electric machine to a power grid, a second power device coupled to the second electric machine for driving the flywheel and coupling power from the second electric machine to the power grid, and a switch for coupling either the power generated by the first electric machine or the second electric machine to the grid. | 08-13-2009 |
20110080007 | SOLAR AND WIND ENERGY CONVERTER - A system for converting wind and solar energy for use with an electrical generator, the system includes a wind powered subsystem including: a rotor for receiving wind to generate mechanical energy; and a first shaft for providing a permanent mechanical coupling between the rotor and the electrical generator for transferring the generated mechanical energy to the electrical generator; a solar powered subsystem including: a solar collector for receiving solar energy to generate thermal energy; a thermo-mechanical engine coupled to the solar collector for converting the generated thermal energy into mechanical energy; and a second shaft mechanically coupled to the thermo-mechanical engine; and an interconnection subsystem for selecting between coupling the second shaft to the first shaft for combining the mechanical energy generated by the wind and solar powered subsystems to be transferred to the electrical generator, and decoupling the second shaft from the first shaft. | 04-07-2011 |
20130300132 | VEHICLE MOVEMENT ACTIVATED ELECTRICAL POWER GENERATOR, AND METHOD FOR PROVIDING ELECTRICAL POWER FOR ROADSIDE APPLICATIONS - Electrical power generation from vehicle movement where there is limited or no access to a power grid. A turbine disposed alongside, above, or under the road, harnesses the wind currents generated by a vehicle to drive an electrical power generator connected to a local electrical power system providing electrical power for roadside devices on the road ahead. Alternatively, pedals may be disposed on the road such that when a vehicle runs over them, the vertical motion of the pedals is translated into a rotational motion to drive an electrical power generator. The local electrical power system is used to supply power for roadside LEDs placed along the road ahead of the vehicle to illuminate the boundaries and perimeter, or for a roadside sign, camera, or deer whistle. The activation of the roadside devices is controlled based on whether it is day or night and the remaining charge of a battery. | 11-14-2013 |
20090058099 | Electro Gravity Plates for Generating Electricity from Passage of Vehicles Over the Plates - Electro-gravity plates are applied to road surfaces for generating electricity from the passage of vehicles over the plates. Each plate contains a packed lattice of electro-gravity cells that individually produces electricity from the passing vehicles. The cells use a variety of technologies to convert the kinetic energy and the gravitational potential energy of moving vehicles into electricity. A first type of cell includes a spring-loaded permanent magnet inside a solenoid. The passing vehicles cause the magnet to translate up and down inside the solenoid for generating electricity. A second type of cell includes a spring-loaded hammer and a piezoelectric material. The passing vehicles cause the hammer to compress the piezoelectric material for generating electricity. A third type of cell includes a counterweighted crank rotatably coupled to a dynamo. The passing vehicles cause the crank to rotate the dynamo for generating electricity. | 03-05-2009 |
20160186724 | Hybrid Electric Generation Systems for generating cleaner and renewable electric energy - An electric generating system that uses components comprised of a modified wind turbine, a modified roller coaster, a modified Ferris wheel, a power transfer assembly along with other prime movers and electric generators to generate cleaner and renewable electricity up to 24 hours a day, almost anywhere in the world, and at a cost competitive with coal-fired generating plants. This system can work without the use of water, wind, or the sun. | 06-30-2016 |
20090121495 | Combined cycle power plant - Combined cycle power plants and related methods are disclosed here. In the plants, a mediating thermal energy storage unit is used to store waste or residual thermal energy recovered from a heat engine employing a top thermodynamic cycle of the combined cycle power plant, so that the stored residual thermal energy may be used as an energy source in a bottom thermodynamic cycle of the power plant. In the combined cycle power plants described here, the heat engine employing a top cycle may comprise a Brayton cycle heat engine and the heat engine employing the bottom thermodynamic cycle may be a Rankine cycle heat engine. | 05-14-2009 |
20100013242 | Aircraft combination engines plural airflow conveyances system - An engine combination for generating forces with a gas turbine engine generating force, and an internal combustion engine provided in the combination as an intermittent combustion engine generating force having an air intake, there being a plurality of air transfer ducts each extending from a different location in the gas turbine engine so as to be capable to provide air in each of those air transfer ducts at one end thereof at pressures differing from one another and connected at the other end of each to the air intake to transfer air thereto. | 01-21-2010 |
20120242091 | ECCENTRIC DUAL ROTOR ASSEMBLY FOR WIND POWER GENERATION - An eccentric dual rotor assembly for wind power generation includes: a supporting structure for rotatably supporting a main shaft; a first rotor including a rotating frame and a plurality of wing assemblies provided on an outer surface of the rotating frame to receive wind and to rotate the rotating frame in the forward direction; a second rotor configured symmetrically to the first rotor and including a rotating frame and a plurality of wing assemblies provided on an outer surface of the rotating frame to receive wind and to rotate the rotating frame in the backward direction; a guide member installed at the front of the main shaft to guide oncoming wind blowing between the first and second rotors to the fronts of the first and second rotors; and power-transmitting means for transmitting kinetic energy generated by the rotation of the first and second rotors to a generating apparatus. | 09-27-2012 |
20130009408 | STORAGE OF COMPRESSED AIR IN WIND TURBINE SUPPORT STRUCTURE - An energy storage and recovery system employs air compressed utilizing power from an operating wind turbine. This compressed air is stored within one or more chambers of a structure supporting the wind turbine above the ground. By functioning as both a physical support and as a vessel for storing compressed air, the relative contribution of the support structure to the overall cost of the energy storage and recovery system may be reduced, thereby improving economic realization for the combined turbine/support apparatus. In certain embodiments, expansion forces of the compressed air stored within the chamber, may be relied upon to augment the physical stability of a support structure, further reducing material costs of the support structure. | 01-10-2013 |
20160254674 | WASTE HEAT RECOVERY SYSTEM | 09-01-2016 |
20080277944 | Aircraft combination engines complemental connection and operation - A power generation system for propelling, and generating electrical power in, an aircraft, using a gas turbine engine coupled to a turbine starter/generator unit having therein an electrical machine capable of being selected to be alternatively a motor and an electrical power generator and having a coupling shaft extending therefrom to be engaged with the air compressor in the gas turbine engine and further having an interconnection conductor for electrical energization. An internal combustion engine provided as an intermittent combustion engine in the aircraft has an air intake coupled through an air transfer duct connected to the air compressor to allow the transfer of compressed air thereto, and has in connection therewith a supply starter/generator unit with a coupling shaft extending therefrom to be engaged with the intermittent combustion engine power shaft. An interconnection conductor therein for electrical energization is electrically interconnected with the turbine starter/generator unit interconnection conductor. | 11-13-2008 |
20090273191 | POWER PRODUCING DEVICE UTILIZING FLUID DRIVEN PUMP - A power producing device apparatus includes a combustion engine and an electric motor connected to a dual drive transmission, and a housing. The dual drive transmission has opposing shafts, with the electric motor and the combustion engine acting on the dual drive transmission so as to drive the transmission. The entire assembly is enclosed by an enclosure which is a waterproof and sound reducing structure that can be custom designed to fit an environment it is to be used in. Examples of such an enclosure can include a log cabin for use at mountain resorts or municipalities, mini casino design, fiberglass or metal container for placement on the roof tops of high rise office and apartment complexes. | 11-05-2009 |
20100038917 | STEAM TURBINE CLUTCH AND METHOD FOR DISENGAGEMENT OF STEAM TURBINE FROM GENERATOR - A power generation system including: at least one elevated steam turbine receiving input steam at an elevated pressure and exhausting steam as low pressure steam; a low pressure steam turbine receiving low pressure steam exhausted from the elevated steam turbine, and a drive shaft for the low pressure steam turbine connected to a clutch which is reasonably coupled to a power generator, wherein the clutch has a first position in which power from the low pressure steam turbine is applied to the power generator and a second position in which power from the low pressure steam turbine is not applied to the generator. | 02-18-2010 |
20130082467 | METHOD FOR OPERATING A POWER PLANT - The method for operating a power plant including a gas turbine and a steam power generation system that activate, or drive, at least one electric generator, wherein the gas turbine produces flue gases that are supplied into a boiler of the steam power generation system. In a steady operation, the gas turbine generates a first output power greater than zero, the steam turbine generates a second output power greater than zero, and a total generated power is a sum of the first and second output powers and is substantially equal to a house load of the power plant. | 04-04-2013 |
20140070544 | HYBRID GEOTHERMAL POWER PLANT - The present invention provides a hybrid geothermal power plant, comprising a photovoltaic module for generating direct current electrical power, a geothermal unit for utilizing heat content of a geothermal fluid extracted from a production well to produce power, and a controller for coordinating operation of the photovoltaic module and the geothermal unit such that the power plant generates a substantially uniform electrical output. | 03-13-2014 |
20140327247 | MULTISOURCE RENEWABLE ENERGY GENERATION - A multisource generator system and associated processes generate electricity using one or more of wind power, hydropower, mechanical power, and solar power. The power sources may be selectively attached and activated to generate the electricity. A rotor may be actuated in response to both the wind power and the hydropower. The mechanical power may further actuate the rotor. | 11-06-2014 |
20130181461 | POWER PLANT UNIT - The invention relates to a power plant unit ( | 07-18-2013 |
20140001769 | GENERATOR MANAGEMENT SYSTEM THAT SELECTIVELY CUTS OFF FUEL TO A GENERATOR TO ADD A LOAD TO A BUS | 01-02-2014 |
20140361549 | METHOD AND SYSTEM FOR CONTROLLING A PORTABLE POWER SYSTEM - A method for controlling a portable power system, comprising: using a processor, selecting an engine efficiency range for a engine of a generator set of the portable power system, the engine efficiency range corresponding to a power output range of the generator set and to a power demand of a load coupled to the portable power system; when the power demand of the load is less than the power output of the generator set, storing excess power from the generator set in a first battery bank of the portable power system; when the power demand of the load is greater than the power output of the generator set, providing additional power to the load from a second battery bank of the portable power system; and, when at least one of a predetermined depth of discharge threshold is reached by the second battery bank and a predetermined state of charge threshold is reached by the first battery bank, switching between the second battery bank and the first battery bank. | 12-11-2014 |
20150035286 | METHODS OF OPERATING DUAL FED SYSTEMS - A method of operating a dual fed system is described where power is supplied to a electrical load from first and second ac busbars at a ratio that achieves a desired level of exhaust emissions such as nitrogen oxides (NO | 02-05-2015 |
290004000 | Plural with combined drive | 6 |
20080211236 | Contra rotating generator - Disclosed herein is an apparatus of a contra rotating generator. The contra rotating generator comprises a cylindrical armature supported on an inner shaft. The inner shaft rotates in a first direction. A cylindrical magnetic field rotor is supported on an outer shaft. The outer shaft is oriented coaxially to the inner shaft. The outer shaft contra rotates opposite to the first direction. A plurality of cam followers maintains uniform air gap between outer surface of the cylindrical armature and inner surface of the cylindrical magnetic field rotor. The uniform air gap prevents mechanical contact between the cylindrical armature and the cylindrical magnetic field rotor. A sprag clutch prevents unidirectional rotation of the inner shaft and the outer shaft. The contra rotation between the cylindrical armature and the cylindrical magnetic field rotor increases relative magnetic flux speed for generating electrical power at low speeds of operation. | 09-04-2008 |
20080252081 | DOUBLE ALTERNATOR AND ELECTRICAL SYSTEM FOR A VEHICLE - A double alternator for a vehicle and a vehicle electrical system employing the double alternator. | 10-16-2008 |
20080258473 | HYBRID WIND TURBINE SYSTEM, APPARATUS AND METHOD - A wind turbine assembly and method capable of providing a total firm power output. There is a wind power section which delivers non-firm power from the wind turbine to a generator section. Then there is also an auxiliary power section which is capable of providing firm power to the same generator section. This can operate in three operating modes, namely an only wind power mode, an only auxiliary power mode, and a combined wind power and auxiliary power mode. | 10-23-2008 |
20080303289 | CONTROLLER COMPUTING A VIRTUAL TUNING CAPACITOR FOR CONTROLLING A FREE-PISTON STIRLING ENGINE DRIVING A LINEAR ALTERNATOR - A feedback control circuit and method for a control system used to control an electrical power generating source that comprises a free piston Stirling engine driving a linear alternator. A switching mode rectifier connects the alternator winding to an output circuit that includes an electrical energy storage means and is controlled by a pulse width modulator that controls the rectifier switching duty cycle and phase. The control system controls the pulse width modulator. The improvement computes a voltage across a virtual tuning capacitor and uses the computed voltage to control the switching mode rectifier so that the switching mode rectifier is switched in a manner that makes the alternator circuit operate as if a tuning capacitor were actually present and so that the control system controls the piston of the Stirling engine to maintain balance of the mechanical power generated by the Stirling engine and the electrical power absorbed from the engine by the alternator. | 12-11-2008 |
20090033102 | Method and apparatus for using wind turbines to generate and supply uninterrupted power to locations remote from the power grid - The present invention relates to a wind energy generating and storing system comprising methods and apparatuses for providing energy dedicated for immediate use and energy storage, to provide electrical power on an uninterrupted and continuous basis, to locations remote from an electrical power grid. In a large application, the invention contemplates having a predetermined number of windmills dedicated for immediate use, and a predetermined number of windmills dedicated for energy storage, as compressed air energy in one or more high pressure tanks. A hybrid windmill having the ability to simultaneously switch between energy for immediate use and energy storage can also be provided. | 02-05-2009 |
20090179434 | Gas power augmented wind generator - Compressed natural gas (CNG) fueled auxiliary power source in the 100-250 brake horsepower range, mounted (hung) on the rear of the wind generator main shaft, equipped with shaft speed sensors that have been calibrated to minimum/maximum desired main shaft (electrical generator) speed and that can engage and spin the main shaft attached to the electrical power generator on demand when there is insufficient wind to do so. | 07-16-2009 |
20090200809 | RECONFIGURABLE POWER SYSTEM USING MULTIPLE PHASE-SET ELECTRIC MACHINES - A reconfigurable power system that includes a gas turbine, flywheel, a first electric machine coupled to the gas turbine, a second electric machine coupled to the flywheel, the first and second electric machines being substantially similar in configuration, a first power device for coupling power from the first electric machine to a power grid, a second power device coupled to the second electric machine for driving the flywheel and coupling power from the second electric machine to the power grid, and a switch for coupling either the power generated by the first electric machine or the second electric machine to the grid. | 08-13-2009 |
20110080007 | SOLAR AND WIND ENERGY CONVERTER - A system for converting wind and solar energy for use with an electrical generator, the system includes a wind powered subsystem including: a rotor for receiving wind to generate mechanical energy; and a first shaft for providing a permanent mechanical coupling between the rotor and the electrical generator for transferring the generated mechanical energy to the electrical generator; a solar powered subsystem including: a solar collector for receiving solar energy to generate thermal energy; a thermo-mechanical engine coupled to the solar collector for converting the generated thermal energy into mechanical energy; and a second shaft mechanically coupled to the thermo-mechanical engine; and an interconnection subsystem for selecting between coupling the second shaft to the first shaft for combining the mechanical energy generated by the wind and solar powered subsystems to be transferred to the electrical generator, and decoupling the second shaft from the first shaft. | 04-07-2011 |
20130300132 | VEHICLE MOVEMENT ACTIVATED ELECTRICAL POWER GENERATOR, AND METHOD FOR PROVIDING ELECTRICAL POWER FOR ROADSIDE APPLICATIONS - Electrical power generation from vehicle movement where there is limited or no access to a power grid. A turbine disposed alongside, above, or under the road, harnesses the wind currents generated by a vehicle to drive an electrical power generator connected to a local electrical power system providing electrical power for roadside devices on the road ahead. Alternatively, pedals may be disposed on the road such that when a vehicle runs over them, the vertical motion of the pedals is translated into a rotational motion to drive an electrical power generator. The local electrical power system is used to supply power for roadside LEDs placed along the road ahead of the vehicle to illuminate the boundaries and perimeter, or for a roadside sign, camera, or deer whistle. The activation of the roadside devices is controlled based on whether it is day or night and the remaining charge of a battery. | 11-14-2013 |
20090058099 | Electro Gravity Plates for Generating Electricity from Passage of Vehicles Over the Plates - Electro-gravity plates are applied to road surfaces for generating electricity from the passage of vehicles over the plates. Each plate contains a packed lattice of electro-gravity cells that individually produces electricity from the passing vehicles. The cells use a variety of technologies to convert the kinetic energy and the gravitational potential energy of moving vehicles into electricity. A first type of cell includes a spring-loaded permanent magnet inside a solenoid. The passing vehicles cause the magnet to translate up and down inside the solenoid for generating electricity. A second type of cell includes a spring-loaded hammer and a piezoelectric material. The passing vehicles cause the hammer to compress the piezoelectric material for generating electricity. A third type of cell includes a counterweighted crank rotatably coupled to a dynamo. The passing vehicles cause the crank to rotate the dynamo for generating electricity. | 03-05-2009 |
20160186724 | Hybrid Electric Generation Systems for generating cleaner and renewable electric energy - An electric generating system that uses components comprised of a modified wind turbine, a modified roller coaster, a modified Ferris wheel, a power transfer assembly along with other prime movers and electric generators to generate cleaner and renewable electricity up to 24 hours a day, almost anywhere in the world, and at a cost competitive with coal-fired generating plants. This system can work without the use of water, wind, or the sun. | 06-30-2016 |
20090121495 | Combined cycle power plant - Combined cycle power plants and related methods are disclosed here. In the plants, a mediating thermal energy storage unit is used to store waste or residual thermal energy recovered from a heat engine employing a top thermodynamic cycle of the combined cycle power plant, so that the stored residual thermal energy may be used as an energy source in a bottom thermodynamic cycle of the power plant. In the combined cycle power plants described here, the heat engine employing a top cycle may comprise a Brayton cycle heat engine and the heat engine employing the bottom thermodynamic cycle may be a Rankine cycle heat engine. | 05-14-2009 |
20100013242 | Aircraft combination engines plural airflow conveyances system - An engine combination for generating forces with a gas turbine engine generating force, and an internal combustion engine provided in the combination as an intermittent combustion engine generating force having an air intake, there being a plurality of air transfer ducts each extending from a different location in the gas turbine engine so as to be capable to provide air in each of those air transfer ducts at one end thereof at pressures differing from one another and connected at the other end of each to the air intake to transfer air thereto. | 01-21-2010 |
20120242091 | ECCENTRIC DUAL ROTOR ASSEMBLY FOR WIND POWER GENERATION - An eccentric dual rotor assembly for wind power generation includes: a supporting structure for rotatably supporting a main shaft; a first rotor including a rotating frame and a plurality of wing assemblies provided on an outer surface of the rotating frame to receive wind and to rotate the rotating frame in the forward direction; a second rotor configured symmetrically to the first rotor and including a rotating frame and a plurality of wing assemblies provided on an outer surface of the rotating frame to receive wind and to rotate the rotating frame in the backward direction; a guide member installed at the front of the main shaft to guide oncoming wind blowing between the first and second rotors to the fronts of the first and second rotors; and power-transmitting means for transmitting kinetic energy generated by the rotation of the first and second rotors to a generating apparatus. | 09-27-2012 |
20130009408 | STORAGE OF COMPRESSED AIR IN WIND TURBINE SUPPORT STRUCTURE - An energy storage and recovery system employs air compressed utilizing power from an operating wind turbine. This compressed air is stored within one or more chambers of a structure supporting the wind turbine above the ground. By functioning as both a physical support and as a vessel for storing compressed air, the relative contribution of the support structure to the overall cost of the energy storage and recovery system may be reduced, thereby improving economic realization for the combined turbine/support apparatus. In certain embodiments, expansion forces of the compressed air stored within the chamber, may be relied upon to augment the physical stability of a support structure, further reducing material costs of the support structure. | 01-10-2013 |
20160254674 | WASTE HEAT RECOVERY SYSTEM | 09-01-2016 |
20080277944 | Aircraft combination engines complemental connection and operation - A power generation system for propelling, and generating electrical power in, an aircraft, using a gas turbine engine coupled to a turbine starter/generator unit having therein an electrical machine capable of being selected to be alternatively a motor and an electrical power generator and having a coupling shaft extending therefrom to be engaged with the air compressor in the gas turbine engine and further having an interconnection conductor for electrical energization. An internal combustion engine provided as an intermittent combustion engine in the aircraft has an air intake coupled through an air transfer duct connected to the air compressor to allow the transfer of compressed air thereto, and has in connection therewith a supply starter/generator unit with a coupling shaft extending therefrom to be engaged with the intermittent combustion engine power shaft. An interconnection conductor therein for electrical energization is electrically interconnected with the turbine starter/generator unit interconnection conductor. | 11-13-2008 |
20090273191 | POWER PRODUCING DEVICE UTILIZING FLUID DRIVEN PUMP - A power producing device apparatus includes a combustion engine and an electric motor connected to a dual drive transmission, and a housing. The dual drive transmission has opposing shafts, with the electric motor and the combustion engine acting on the dual drive transmission so as to drive the transmission. The entire assembly is enclosed by an enclosure which is a waterproof and sound reducing structure that can be custom designed to fit an environment it is to be used in. Examples of such an enclosure can include a log cabin for use at mountain resorts or municipalities, mini casino design, fiberglass or metal container for placement on the roof tops of high rise office and apartment complexes. | 11-05-2009 |
20100038917 | STEAM TURBINE CLUTCH AND METHOD FOR DISENGAGEMENT OF STEAM TURBINE FROM GENERATOR - A power generation system including: at least one elevated steam turbine receiving input steam at an elevated pressure and exhausting steam as low pressure steam; a low pressure steam turbine receiving low pressure steam exhausted from the elevated steam turbine, and a drive shaft for the low pressure steam turbine connected to a clutch which is reasonably coupled to a power generator, wherein the clutch has a first position in which power from the low pressure steam turbine is applied to the power generator and a second position in which power from the low pressure steam turbine is not applied to the generator. | 02-18-2010 |
20130082467 | METHOD FOR OPERATING A POWER PLANT - The method for operating a power plant including a gas turbine and a steam power generation system that activate, or drive, at least one electric generator, wherein the gas turbine produces flue gases that are supplied into a boiler of the steam power generation system. In a steady operation, the gas turbine generates a first output power greater than zero, the steam turbine generates a second output power greater than zero, and a total generated power is a sum of the first and second output powers and is substantially equal to a house load of the power plant. | 04-04-2013 |
20140070544 | HYBRID GEOTHERMAL POWER PLANT - The present invention provides a hybrid geothermal power plant, comprising a photovoltaic module for generating direct current electrical power, a geothermal unit for utilizing heat content of a geothermal fluid extracted from a production well to produce power, and a controller for coordinating operation of the photovoltaic module and the geothermal unit such that the power plant generates a substantially uniform electrical output. | 03-13-2014 |
20140327247 | MULTISOURCE RENEWABLE ENERGY GENERATION - A multisource generator system and associated processes generate electricity using one or more of wind power, hydropower, mechanical power, and solar power. The power sources may be selectively attached and activated to generate the electricity. A rotor may be actuated in response to both the wind power and the hydropower. The mechanical power may further actuate the rotor. | 11-06-2014 |
20130181461 | POWER PLANT UNIT - The invention relates to a power plant unit ( | 07-18-2013 |
20140001769 | GENERATOR MANAGEMENT SYSTEM THAT SELECTIVELY CUTS OFF FUEL TO A GENERATOR TO ADD A LOAD TO A BUS | 01-02-2014 |
20140361549 | METHOD AND SYSTEM FOR CONTROLLING A PORTABLE POWER SYSTEM - A method for controlling a portable power system, comprising: using a processor, selecting an engine efficiency range for a engine of a generator set of the portable power system, the engine efficiency range corresponding to a power output range of the generator set and to a power demand of a load coupled to the portable power system; when the power demand of the load is less than the power output of the generator set, storing excess power from the generator set in a first battery bank of the portable power system; when the power demand of the load is greater than the power output of the generator set, providing additional power to the load from a second battery bank of the portable power system; and, when at least one of a predetermined depth of discharge threshold is reached by the second battery bank and a predetermined state of charge threshold is reached by the first battery bank, switching between the second battery bank and the first battery bank. | 12-11-2014 |
20150035286 | METHODS OF OPERATING DUAL FED SYSTEMS - A method of operating a dual fed system is described where power is supplied to a electrical load from first and second ac busbars at a ratio that achieves a desired level of exhaust emissions such as nitrogen oxides (NO | 02-05-2015 |
290004000 | Plural prime movers with fluid interconnection | 5 |
20080211236 | Contra rotating generator - Disclosed herein is an apparatus of a contra rotating generator. The contra rotating generator comprises a cylindrical armature supported on an inner shaft. The inner shaft rotates in a first direction. A cylindrical magnetic field rotor is supported on an outer shaft. The outer shaft is oriented coaxially to the inner shaft. The outer shaft contra rotates opposite to the first direction. A plurality of cam followers maintains uniform air gap between outer surface of the cylindrical armature and inner surface of the cylindrical magnetic field rotor. The uniform air gap prevents mechanical contact between the cylindrical armature and the cylindrical magnetic field rotor. A sprag clutch prevents unidirectional rotation of the inner shaft and the outer shaft. The contra rotation between the cylindrical armature and the cylindrical magnetic field rotor increases relative magnetic flux speed for generating electrical power at low speeds of operation. | 09-04-2008 |
20080252081 | DOUBLE ALTERNATOR AND ELECTRICAL SYSTEM FOR A VEHICLE - A double alternator for a vehicle and a vehicle electrical system employing the double alternator. | 10-16-2008 |
20080258473 | HYBRID WIND TURBINE SYSTEM, APPARATUS AND METHOD - A wind turbine assembly and method capable of providing a total firm power output. There is a wind power section which delivers non-firm power from the wind turbine to a generator section. Then there is also an auxiliary power section which is capable of providing firm power to the same generator section. This can operate in three operating modes, namely an only wind power mode, an only auxiliary power mode, and a combined wind power and auxiliary power mode. | 10-23-2008 |
20080303289 | CONTROLLER COMPUTING A VIRTUAL TUNING CAPACITOR FOR CONTROLLING A FREE-PISTON STIRLING ENGINE DRIVING A LINEAR ALTERNATOR - A feedback control circuit and method for a control system used to control an electrical power generating source that comprises a free piston Stirling engine driving a linear alternator. A switching mode rectifier connects the alternator winding to an output circuit that includes an electrical energy storage means and is controlled by a pulse width modulator that controls the rectifier switching duty cycle and phase. The control system controls the pulse width modulator. The improvement computes a voltage across a virtual tuning capacitor and uses the computed voltage to control the switching mode rectifier so that the switching mode rectifier is switched in a manner that makes the alternator circuit operate as if a tuning capacitor were actually present and so that the control system controls the piston of the Stirling engine to maintain balance of the mechanical power generated by the Stirling engine and the electrical power absorbed from the engine by the alternator. | 12-11-2008 |
20090033102 | Method and apparatus for using wind turbines to generate and supply uninterrupted power to locations remote from the power grid - The present invention relates to a wind energy generating and storing system comprising methods and apparatuses for providing energy dedicated for immediate use and energy storage, to provide electrical power on an uninterrupted and continuous basis, to locations remote from an electrical power grid. In a large application, the invention contemplates having a predetermined number of windmills dedicated for immediate use, and a predetermined number of windmills dedicated for energy storage, as compressed air energy in one or more high pressure tanks. A hybrid windmill having the ability to simultaneously switch between energy for immediate use and energy storage can also be provided. | 02-05-2009 |
20090179434 | Gas power augmented wind generator - Compressed natural gas (CNG) fueled auxiliary power source in the 100-250 brake horsepower range, mounted (hung) on the rear of the wind generator main shaft, equipped with shaft speed sensors that have been calibrated to minimum/maximum desired main shaft (electrical generator) speed and that can engage and spin the main shaft attached to the electrical power generator on demand when there is insufficient wind to do so. | 07-16-2009 |
20090200809 | RECONFIGURABLE POWER SYSTEM USING MULTIPLE PHASE-SET ELECTRIC MACHINES - A reconfigurable power system that includes a gas turbine, flywheel, a first electric machine coupled to the gas turbine, a second electric machine coupled to the flywheel, the first and second electric machines being substantially similar in configuration, a first power device for coupling power from the first electric machine to a power grid, a second power device coupled to the second electric machine for driving the flywheel and coupling power from the second electric machine to the power grid, and a switch for coupling either the power generated by the first electric machine or the second electric machine to the grid. | 08-13-2009 |
20110080007 | SOLAR AND WIND ENERGY CONVERTER - A system for converting wind and solar energy for use with an electrical generator, the system includes a wind powered subsystem including: a rotor for receiving wind to generate mechanical energy; and a first shaft for providing a permanent mechanical coupling between the rotor and the electrical generator for transferring the generated mechanical energy to the electrical generator; a solar powered subsystem including: a solar collector for receiving solar energy to generate thermal energy; a thermo-mechanical engine coupled to the solar collector for converting the generated thermal energy into mechanical energy; and a second shaft mechanically coupled to the thermo-mechanical engine; and an interconnection subsystem for selecting between coupling the second shaft to the first shaft for combining the mechanical energy generated by the wind and solar powered subsystems to be transferred to the electrical generator, and decoupling the second shaft from the first shaft. | 04-07-2011 |
20130300132 | VEHICLE MOVEMENT ACTIVATED ELECTRICAL POWER GENERATOR, AND METHOD FOR PROVIDING ELECTRICAL POWER FOR ROADSIDE APPLICATIONS - Electrical power generation from vehicle movement where there is limited or no access to a power grid. A turbine disposed alongside, above, or under the road, harnesses the wind currents generated by a vehicle to drive an electrical power generator connected to a local electrical power system providing electrical power for roadside devices on the road ahead. Alternatively, pedals may be disposed on the road such that when a vehicle runs over them, the vertical motion of the pedals is translated into a rotational motion to drive an electrical power generator. The local electrical power system is used to supply power for roadside LEDs placed along the road ahead of the vehicle to illuminate the boundaries and perimeter, or for a roadside sign, camera, or deer whistle. The activation of the roadside devices is controlled based on whether it is day or night and the remaining charge of a battery. | 11-14-2013 |
20090058099 | Electro Gravity Plates for Generating Electricity from Passage of Vehicles Over the Plates - Electro-gravity plates are applied to road surfaces for generating electricity from the passage of vehicles over the plates. Each plate contains a packed lattice of electro-gravity cells that individually produces electricity from the passing vehicles. The cells use a variety of technologies to convert the kinetic energy and the gravitational potential energy of moving vehicles into electricity. A first type of cell includes a spring-loaded permanent magnet inside a solenoid. The passing vehicles cause the magnet to translate up and down inside the solenoid for generating electricity. A second type of cell includes a spring-loaded hammer and a piezoelectric material. The passing vehicles cause the hammer to compress the piezoelectric material for generating electricity. A third type of cell includes a counterweighted crank rotatably coupled to a dynamo. The passing vehicles cause the crank to rotate the dynamo for generating electricity. | 03-05-2009 |
20160186724 | Hybrid Electric Generation Systems for generating cleaner and renewable electric energy - An electric generating system that uses components comprised of a modified wind turbine, a modified roller coaster, a modified Ferris wheel, a power transfer assembly along with other prime movers and electric generators to generate cleaner and renewable electricity up to 24 hours a day, almost anywhere in the world, and at a cost competitive with coal-fired generating plants. This system can work without the use of water, wind, or the sun. | 06-30-2016 |
20090121495 | Combined cycle power plant - Combined cycle power plants and related methods are disclosed here. In the plants, a mediating thermal energy storage unit is used to store waste or residual thermal energy recovered from a heat engine employing a top thermodynamic cycle of the combined cycle power plant, so that the stored residual thermal energy may be used as an energy source in a bottom thermodynamic cycle of the power plant. In the combined cycle power plants described here, the heat engine employing a top cycle may comprise a Brayton cycle heat engine and the heat engine employing the bottom thermodynamic cycle may be a Rankine cycle heat engine. | 05-14-2009 |
20100013242 | Aircraft combination engines plural airflow conveyances system - An engine combination for generating forces with a gas turbine engine generating force, and an internal combustion engine provided in the combination as an intermittent combustion engine generating force having an air intake, there being a plurality of air transfer ducts each extending from a different location in the gas turbine engine so as to be capable to provide air in each of those air transfer ducts at one end thereof at pressures differing from one another and connected at the other end of each to the air intake to transfer air thereto. | 01-21-2010 |
20120242091 | ECCENTRIC DUAL ROTOR ASSEMBLY FOR WIND POWER GENERATION - An eccentric dual rotor assembly for wind power generation includes: a supporting structure for rotatably supporting a main shaft; a first rotor including a rotating frame and a plurality of wing assemblies provided on an outer surface of the rotating frame to receive wind and to rotate the rotating frame in the forward direction; a second rotor configured symmetrically to the first rotor and including a rotating frame and a plurality of wing assemblies provided on an outer surface of the rotating frame to receive wind and to rotate the rotating frame in the backward direction; a guide member installed at the front of the main shaft to guide oncoming wind blowing between the first and second rotors to the fronts of the first and second rotors; and power-transmitting means for transmitting kinetic energy generated by the rotation of the first and second rotors to a generating apparatus. | 09-27-2012 |
20130009408 | STORAGE OF COMPRESSED AIR IN WIND TURBINE SUPPORT STRUCTURE - An energy storage and recovery system employs air compressed utilizing power from an operating wind turbine. This compressed air is stored within one or more chambers of a structure supporting the wind turbine above the ground. By functioning as both a physical support and as a vessel for storing compressed air, the relative contribution of the support structure to the overall cost of the energy storage and recovery system may be reduced, thereby improving economic realization for the combined turbine/support apparatus. In certain embodiments, expansion forces of the compressed air stored within the chamber, may be relied upon to augment the physical stability of a support structure, further reducing material costs of the support structure. | 01-10-2013 |
20160254674 | WASTE HEAT RECOVERY SYSTEM | 09-01-2016 |
20080277944 | Aircraft combination engines complemental connection and operation - A power generation system for propelling, and generating electrical power in, an aircraft, using a gas turbine engine coupled to a turbine starter/generator unit having therein an electrical machine capable of being selected to be alternatively a motor and an electrical power generator and having a coupling shaft extending therefrom to be engaged with the air compressor in the gas turbine engine and further having an interconnection conductor for electrical energization. An internal combustion engine provided as an intermittent combustion engine in the aircraft has an air intake coupled through an air transfer duct connected to the air compressor to allow the transfer of compressed air thereto, and has in connection therewith a supply starter/generator unit with a coupling shaft extending therefrom to be engaged with the intermittent combustion engine power shaft. An interconnection conductor therein for electrical energization is electrically interconnected with the turbine starter/generator unit interconnection conductor. | 11-13-2008 |
20090273191 | POWER PRODUCING DEVICE UTILIZING FLUID DRIVEN PUMP - A power producing device apparatus includes a combustion engine and an electric motor connected to a dual drive transmission, and a housing. The dual drive transmission has opposing shafts, with the electric motor and the combustion engine acting on the dual drive transmission so as to drive the transmission. The entire assembly is enclosed by an enclosure which is a waterproof and sound reducing structure that can be custom designed to fit an environment it is to be used in. Examples of such an enclosure can include a log cabin for use at mountain resorts or municipalities, mini casino design, fiberglass or metal container for placement on the roof tops of high rise office and apartment complexes. | 11-05-2009 |
20100038917 | STEAM TURBINE CLUTCH AND METHOD FOR DISENGAGEMENT OF STEAM TURBINE FROM GENERATOR - A power generation system including: at least one elevated steam turbine receiving input steam at an elevated pressure and exhausting steam as low pressure steam; a low pressure steam turbine receiving low pressure steam exhausted from the elevated steam turbine, and a drive shaft for the low pressure steam turbine connected to a clutch which is reasonably coupled to a power generator, wherein the clutch has a first position in which power from the low pressure steam turbine is applied to the power generator and a second position in which power from the low pressure steam turbine is not applied to the generator. | 02-18-2010 |
20130082467 | METHOD FOR OPERATING A POWER PLANT - The method for operating a power plant including a gas turbine and a steam power generation system that activate, or drive, at least one electric generator, wherein the gas turbine produces flue gases that are supplied into a boiler of the steam power generation system. In a steady operation, the gas turbine generates a first output power greater than zero, the steam turbine generates a second output power greater than zero, and a total generated power is a sum of the first and second output powers and is substantially equal to a house load of the power plant. | 04-04-2013 |
20140070544 | HYBRID GEOTHERMAL POWER PLANT - The present invention provides a hybrid geothermal power plant, comprising a photovoltaic module for generating direct current electrical power, a geothermal unit for utilizing heat content of a geothermal fluid extracted from a production well to produce power, and a controller for coordinating operation of the photovoltaic module and the geothermal unit such that the power plant generates a substantially uniform electrical output. | 03-13-2014 |
20140327247 | MULTISOURCE RENEWABLE ENERGY GENERATION - A multisource generator system and associated processes generate electricity using one or more of wind power, hydropower, mechanical power, and solar power. The power sources may be selectively attached and activated to generate the electricity. A rotor may be actuated in response to both the wind power and the hydropower. The mechanical power may further actuate the rotor. | 11-06-2014 |
20130181461 | POWER PLANT UNIT - The invention relates to a power plant unit ( | 07-18-2013 |
20140001769 | GENERATOR MANAGEMENT SYSTEM THAT SELECTIVELY CUTS OFF FUEL TO A GENERATOR TO ADD A LOAD TO A BUS | 01-02-2014 |
20140361549 | METHOD AND SYSTEM FOR CONTROLLING A PORTABLE POWER SYSTEM - A method for controlling a portable power system, comprising: using a processor, selecting an engine efficiency range for a engine of a generator set of the portable power system, the engine efficiency range corresponding to a power output range of the generator set and to a power demand of a load coupled to the portable power system; when the power demand of the load is less than the power output of the generator set, storing excess power from the generator set in a first battery bank of the portable power system; when the power demand of the load is greater than the power output of the generator set, providing additional power to the load from a second battery bank of the portable power system; and, when at least one of a predetermined depth of discharge threshold is reached by the second battery bank and a predetermined state of charge threshold is reached by the first battery bank, switching between the second battery bank and the first battery bank. | 12-11-2014 |
20150035286 | METHODS OF OPERATING DUAL FED SYSTEMS - A method of operating a dual fed system is described where power is supplied to a electrical load from first and second ac busbars at a ratio that achieves a desired level of exhaust emissions such as nitrogen oxides (NO | 02-05-2015 |