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8159079 |
Environmental energy-saving power generator
An environmental energy-saving power generator includes a power generation module, a control module, a power module, a power generator housing, and an I/O module. A processor unit of the control...
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8125094 |
Engine-driven generator speed control system and method
A system and method are provided for controlling an internal combustion engine driving a generator/welder or a stand-alone generator. Controlling the engine may include altering the engine speed...
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8112184 |
Auxiliary power unit with dual use of speed signals
An auxiliary power unit has a speed sensor for sensing a speed of operation of the auxiliary power unit. The speed sensor sends a signal to an electronic control box. The electronic control box is...
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8097969 |
Method to estimate the output current of an automotive generator (alternator)
A control system of a vehicle comprises a current estimation module, a current sensor, and a current diagnostic module. The current estimation module determines an estimated output current of a...
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8093734 |
Cogeneration system
In a cogeneration system having at least with a generation unit comprising a generator connectable to an AC power feed line between a commercial power network and an electrical load, an internal...
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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...
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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...
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8054051 |
Apparatus and method for detecting an abnormality of a generator for vehicles
The present invention provides, as one aspect, an apparatus for detecting an abnormality of a generator for vehicles. The generator includes a multi-phase armature winding that has phase windings...
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8049348 |
Device for controlling an electricity generator set
The present invention relates to a control device (1) for an electricity generator set, the generator set comprising: an engine fitted with at least one actuator (2) for controlling fuel...
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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...
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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...
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7812467 |
Smart alternator load control
A smart alternator control circuit and method is provided limiting alternator load on an internal combustion engine.
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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...
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7797096 |
Torque estimation of engine driven generator
An engine control system for an engine that drives a generator includes a temperature sensor that generates a temperature signal and a control module that determines a generator torque based on an...
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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...
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7759811 |
Electronic control for a hydraulically driven generator
Hydraulic system for driving an auxiliary power source is provided, which is specifically adapted for use with a system for controlling hydraulically driven AC generator. The system includes a...
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7646106 |
Turbine assembly for generating electricity in vehicles
A system for generating electricity from the rotational movement of wheels of a vehicle incorporates a turbine assembly, a wheel assembly, and an apparatus for storing electricity. The turbine...
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7617027 |
System for failure safety control between controllers of hybrid vehicle
The present invention provides a system for failure safety control between controllers connected to an HCU via CAN communication. The system includes an ECU, an MCU, a TCU, a BMS and an HCU. The...
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7602075 |
Systems, methods and apparatuses for a wind turbine controller
The disclosure describes implementations of methods, systems and apparatuses that are configured to facilitate normal operating characteristics for a wind turbine during normal operation, as well...
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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...
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7571045 |
Control system for gas-turbine engine
In a gas-turbine engine control system having a first control channel inputting the outputs of sensors to calculate and output a first command value indicative of a quantity of fuel to be supplied...
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7560908 |
Automatic voltage switching for generator voltage change
A method of switching the operating voltage of a portable generator system includes operating an electrical generator to produce a first electrical signal and connecting a terminal assembly to the...
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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...
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7550861 |
AC power supplying system, power supply apparatus, and vehicle having the same
Upon power failure of a commercial power source, an automatic switching device switches to power supply from a hybrid vehicle. An ECU of the vehicle, when receiving a request for generation of a...
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7531912 |
Power supply control system
A power supply control system for a vehicle includes a supply line system, a first electric generating means, a second electric generating means, and a control means. The first electric generating...
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7514906 |
Automotive rotary electrical apparatus
An automotive rotary electrical apparatus with less than four switching control elements capable of blocking a field current while preventing breakage of the switching control elements in response...
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7508172 |
Failure detection apparatus for an alternator
A failure detection apparatus for an alternator can detect a short circuit failure of a diode in a full-wave rectifier with high precision by use of a simple circuit structure based on the state of...
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7474080 |
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...
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7462948 |
Midget gas turbine
The present invention provides a midget gas turbine has: a casing;an irregular-shaped hollow disk rotationally attached to a casing; said irregular-shaped hollow disk having in a hollow portion...
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7459799 |
Domestic combined heat and power unit
A domestic combined heat and power (dchp) unit includes a Stirling engine 1 to provide heat for a domestic dwelling along with a source of electrical power. Under normal operation, the dchp is...
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7456509 |
Methods of operating a series hybrid vehicle
The invention is directed toward methods for operating a series hybrid vehicle in a manner that responds to the operator's demand for power output, while maximizing engine efficiency and minimizing...
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7446426 |
System and method for boosting torque output of a drive train
An engine speed detector detects an engine speed of an engine having a baseline torque versus engine speed curve. A torque sensor detects an engine torque of the engine. A data processor determines...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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7245040 |
System and method for controlling the frequency output of dual-spool turbogenerators under varying load
Methods for maintaining a constant electrical output frequency in a turbogenerator with increased electrical loads are provided. The methods comprise biasing adjustable guide vanes of a compressor...
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7227274 |
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...
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7170263 |
Method and apparatus for controlling on-vehicle generator
An apparatus for controlling an on-vehicle generator is provided. The apparatus comprises a switching element, current detecting unit, setting unit and driving unit. The switching unit turns on/off...
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7161258 |
Control apparatus for internal combustion engine
In a control apparatus for an internal combustion engine, an amount of electricity to be generated by an alternator (a target charging voltage) is set based on a vapor concentration of vaporized...
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7161257 |
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 control system includes a set...
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7135784 |
Fast torque control of a belted alternator starter
A belted-alternator starter system that continuously provides pre-flux when the vehicle ignition is on and the engine is off to provide a faster torque response when the engine is turned on. The...
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7129594 |
System for controlling generator for vehicle
A control system for a vehicular generator is provided which can be simplified in construction as the entire system to achieve cost reduction by using only a single control terminal that takes in a...
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7121975 |
Torque transmission device and method of reducing effects of torque pulsations
Torque pulsations generated in the torque of an engine are obtained from detection signals from a crankshaft angle detection sensor and an engine water temperature detection sensor at the time of...
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7102246 |
Method for detecting slip in generator and starter-generator systems
The invention is based on a method for detecting slip in the driving of generator or starter-generator systems. The alternators of these systems are equipped with electronic control components such...
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7098549 |
Power control device for construction machine
A power control device for a construction machine of the present invention is characterized by including an engine, an actuator adapted to be driven with power of the engine, an engine controller...
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