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| Number | Title | Issue Date |
| 8089170 | High torque starter/generator with low input voltage An apparatus includes a plurality of starter/generator subsystems connected in parallel to a voltage distribution bus and to an input power supply. Each of the subsystems includes a starter/generator unit (SGU) for providing torque for starting an engine when the ap... | 01/03/2012 |
| 8067844 | Engine generator set An engine generator set comprises an internal combustion engine having an output shaft that is coupled to an electrical generator for producing an AC electrical power output. The engine is operable to rotate the shaft at a first rotational speed so that the generato... | 11/29/2011 |
| 8049350 | Method and apparatus for controlling cogeneration system In an apparatus (and a method) for controlling a cogeneration system equipped with a generation unit having a generator connectable to an AC power feed line between a commercial power network and an electrical load and an internal combustion engine driving the gener... | 11/01/2011 |
| 8004099 | Method and apparatus for controlling cogeneration system In an apparatus (and a method) for controlling a cogeneration system equipped with a generation unit having 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 g... | 08/23/2011 |
| 7808118 | Method for creating energy sources for a vehicle drive system The method for creating energy sources for a vehicle drive system includes burning an air fuel mixture in an internal combustion engine and discharging the burned air fuel mixture through an exhaust system of the vehicle. Steam is created utilizing heat of the exhau... | 10/05/2010 |
| 7759810 | System and method for emergency shutdown of an internal combustion engine A method and system for rapidly shutting down an engine uses a rotating machine coupled to the engine as a dynamometer for stopping the engine. The rotating machine is controlled adaptively to maximize the power absorbed from the engine, thereby minimizing the amoun... | 07/20/2010 |
| 7633173 | Electronic controller matching engine power to alternator power and maintaining engine frequency for a free-piston stirling engine driving a linear alternator A feedback control method and circuit for inclusion in a control system of an electrical power generating source that comprises a free piston Stirling engine driving a linear alternator. An instantaneous value of a variable, Vinternal, is continuously der... | 12/15/2009 |
| 7589430 | Power generating device A power generating device according to the present invention has a positive displacement steam expander for converting expansion of steam into a rotational force, a power generator connected to a rotational axis of the positive displacement steam expander, an invert... | 09/15/2009 |
| 7554213 | Load control mechanism for self-propelled working machine A self-propelled working machine, which performs work by using power of an internal combustion engine 10 and travels by using power of an electric motor 30, includes a mechanical governor 75 for maintaining the engine at a designated engine rota... | 06/30/2009 |
| 7432686 | Wind turbine generator apparatus with utility fault ride-through capability A wind powered turbine with low voltage ride-through capability. An inverter is connected to the output of a turbine generator. The generator output is conditioned by the inverter resulting in an output voltage and current at a frequency and phase angle appropriate ... | 10/07/2008 |
| 7423412 | Method, apparatus and computer program product for injecting current Method and apparatus that provide a response to the negative sequence current demands during a disturbance of the grid system connected to power-generating equipment, such as a wind turbine system, provide for tracking components in the grid signal, orienting at lea... | 09/09/2008 |
| 7417331 | Combustion engine driven electric generator apparatus An engine drive electric generator apparatus converts the reciprocating movements of a pushrod of an internal combustion engine to electricity. Each generator apparatus has an electric coil surrounding a combustion engine pushrod, and a magnet on the pushrod that re... | 08/26/2008 |
| 7364118 | Propulsion arrangement In order to achieve greater operational efficiency a propulsive arrangement is provided in which a relatively large number of small propulsive assemblies 9; 31, 32, 33 are provided in aircraft structures in particular the wing 7; 30. The assemblies ... | 04/29/2008 |
| 7365444 | Active anti-islanding system and method An engine control system suited for use with an engine that outputs electrical power to a local load and is electrically connected to an electrical grid. The engine generates power at a power output value and the load consumes power at a load value. The engine contr... | 04/29/2008 |
| 7358622 | Distributed power generation system using a fuel cell and a method of controlling the same Provided is a distributed-power-generation system capable of maintaining an operation point and a method of controlling the same. The distributed-power-generation system comprises: a fuel cell producing current and high-temperature gas through an electric chemical r... | 04/15/2008 |
| 7355828 | Turbo machinery speed monitor This invention relates to a speed monitor apparatus for monitoring speed and acceleration of rotating turbine equipment (turbomachinery) and for operating an overspeed trip to shut down the equipment in the event that the speed or acceleration exceed predetermined t... | 04/08/2008 |
| 7353653 | Hybrid power system for continuous reliable power at locations including remote locations The present inventive subject matter is drawn to a hybrid ultra reliable power generating system for supplying continuous reliable power at remote locations comprising: a primary power unit producing electric power that is supplied to a load. Also a secondary power ... | 04/08/2008 |
| 7353804 | Method and arrangement for achieving an adjusted engine setting utilizing engine output and/or fuel consumption A method and associated arrangement for achieving an adjusted engine setting utilizing engine output and/or fuel consumption. An engine that consumes fuel is run. Fuel consumption and/or engine operation output is determined. A value is determined utilizing the dete... | 04/08/2008 |
| 7332825 | System and method for controlling a power generating system This invention overcomes the disadvantages of the prior art by providing a power generating system particularly suitable for field use in remote locations, which is fuel-efficient, relatively quiet, tolerant of dust, capable of operating on low grade logistics and d... | 02/19/2008 |
| 7315091 | Method and system for controlling power to be fed to electrical loads In a control system, a control unit is connected to a generator and is configured to, when a steep change in a load current flowing through at least one specific electrical load is sensed, control the output of the generator based on the sensed steep change in the l... | 01/01/2008 |
| 7311080 | Idle speed controller of internal, combustion engine, and internal combustion engine controller and internal combustion engine An idle rotational speed controller of an internal combustion engine includes an intake path for supplying air to a combustion chamber. An auxiliary intake path communicates the intake path on upstream and downstream sides of a throttle valve in the intake path. An ... | 12/25/2007 |
| 7308792 | Steam power plant arrangement A steam power plant arrangement with a steam turbine and a steam generator, a condenser and a preheating system is characterized according to the invention in that the steam generator, the condenser and the preheating system are configured as individual functionally... | 12/18/2007 |
| 7299638 | Combined heat and power system A combined heat and power system that may be ON/OFF controlled by the thermal load requirements for the system and/or operated at or below atmospheric pressure. ... | 11/27/2007 |
| 7295902 | Torque management algorithm for hybrid electric vehicles A system and method for determining a commanded engine and motor torque to minimize fuel consumption and manage battery state of charge in a hybrid electric vehicle. The method includes determining a penalty factor value that dictates the usage of the battery. A cos... | 11/13/2007 |
| 7291943 | Linear generator with a swinging piston An electromechanical energy converter for a gaseous or vaporous medium comprising a stator (1) with two pot-shaped stator members (1a, 1b), each open at one end face and adjoining each other at these end faces, the stator members s... | 11/06/2007 |
| 7290627 | Extended range motor vehicle having ambient pollutant processing A hybrid motor vehicle utilizing electric motor propulsion prior to cruise mode detection condition and internal combustion engine propulsion during cruise mode. The hybrid motor vehicle utilizing an information super highway for system diagnostics or operating mode... | 11/06/2007 |
| 7288921 | Method and apparatus for providing economic analysis of power generation and distribution An economic dispatch program optimally allocates load demand specifying real power and reactive power to be generated by a power plant among various power generators in a manner so that each of the power generators are operated within its optimal operating space as ... | 10/30/2007 |
| 7285869 | Method for estimating engine power in a hybrid electric vehicle powertrain A method is disclosed for estimating engine power output for an engine in a hybrid electric vehicle powertrain that includes an electric motor and an electric generator. Selected powertrain variables, including electric motor torque and electric generator torque, ar... | 10/23/2007 |
| 7284709 | System and method for hydronic space heating with electrical power generation This invention provides a system and method for cogeneration of electric power and building heat that efficiently interfaces a liquid-cooled electric power generator with a multi-zone forced hot water (hydronic) space heating system. The system and method utilizes a... | 10/23/2007 |
| 7276865 | Power output apparatus, motor driving method and computer-readable recording medium having program recorded thereon for allowing computer to execute motor drive control A power output apparatus includes two motor generators, a DC power supply, a relay, three inverters and a control CPU. One of the motor generators includes three-phase coils. The DC power supply is connected via the relay between respective neutral points of the thr... | 10/02/2007 |
| 7276804 | Voltage regulator with improved protection and warning system This invention discloses a vehicle electrical system voltage regulator with improved electrical protection and warning means that discerns and responds to regulator, generator, or vehicle electrical system operation and malfunctions. The regulator includes monitorin... | 10/02/2007 |
| 7275025 | Method and system for analyzing performance of a turbine A method and system for analyzing performance of a turbine. The turbine optimizer allows a user to evaluate the current performance of their turbine with its current configuration and the future performance of their turbine with a modified configuration. The turbine... | 09/25/2007 |
| 7272514 | Protection system for an electrical power generator An electrical power generator is characterized by a plurality of system parameters. The generator includes a controller for protecting the generator. The controller obtains data from which a present operating point of the generator and a power generating capacity of... | 09/18/2007 |
| 7269945 | Method for compensating flow rate at neutral position of operation lever of construction equipment A method for compensating a flow rate at a neutral position of an operation lever of construction equipment is adapted so that when RPM of an engine becomes different, an actuator can be identically driven according to an operating amount of the operation lever. The... | 09/18/2007 |
| 7268442 | Method for Estimating Engine Power in a Hybrid Electric Vehicle Powertrain A method is disclosed for estimating engine power output for an engine in a hybrid electric vehicle powertrain that includes an electric motor and an electric generator. Selected powertrain variables, including electric motor torque and electric generator torque, ar... | 09/11/2007 |
| 7265455 | Alternating voltage output apparatus and vehicle including such alternating voltage output apparatus A control device controls first and second inverters such that alternating voltage is generated across neutral points of first and second motor generators. When the value of a signal representative of the remaining amount of fuel in a fuel tank becomes lower than a ... | 09/04/2007 |
| 7260457 | Secondary power supply for telematics terminal The present invention provides a secondary power supply for the telematics terminal. A secondary power supply for a telematics terminal including. a power control unit for controlling a power supply based on a power control signal of the telematics terminal and/or a... | 08/21/2007 |
| 7259530 | Power output apparatus, motor driving method and computer-readable recording medium having program recorded thereon for allowing computer to execute motor drive control A control CPU generates, in response to a signal STON from a start key, a signal SE at H level and outputs the generated signal to a relay to render system relays ON. Accordingly, a DC power supply is connected between respective neutral points of three-phase coils.... | 08/21/2007 |
| 7256507 | Inverter controlled generator set An inverter controlled generator set including: a power supply unit that uses a generator driven by an engine as a power supply to output a DC voltage; an inverter device that converts the output voltage of the power supply unit into an AC voltage; and a rotational ... | 08/14/2007 |
| 7250688 | Narrow range variable frequency starter/generator system A starter/generator system for a gas turbine engine used in aeronautical applications that couples a single dynamoelectric machine to the gas turbine engine through a torque converter in a starting mode, and engages the engine to the dynamoelectric machine through a... | 07/31/2007 |
