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| Number | Title | Issue Date |
| 7471069 | Voltage generator device, motor vehicle, control method for the voltage generator device, control method for the motor vehicle, and computer-readable recording medium storing program for causing computer to execute the control method A voltage raising device that provisionally maintains an operation and function when there is an abnormality provided. If a battery voltage drops when an engine is restarted after an idle stop, the voltage raising device raises the output voltage to a target voltage... | 12/30/2008 |
| 7466106 | System and method for DC power generation from a reluctance machine A system and method is provided for generating DC power using a synchronous reluctance machine (12) or a salient-pole synchronous machine (102) and a power converter (110). The present invention can be used to achieve power production for a sync... | 12/16/2008 |
| 7397224 | 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... | 07/08/2008 |
| 7365519 | Excitation system having inner loop voltage regulator with by-pass capability An excitation system that includes an exciter for generating a field voltage for a rotor, a first automatic voltage regulator and a second automatic voltage regulator. The first regulator receives an output voltage of the power generation system as an input, and the... | 04/29/2008 |
| 7329960 | System and method for propelling a large land-based vehicle using a dual function brushless dynamoelectric machine A propulsion system for a relatively large land-based vehicle, such as a locomotive or off-highway vehicle, is provided. The system may include a brushless dynamoelectric machine made up of a main alternator having a main rotor and a main stator, and an auxiliary al... | 02/12/2008 |
| 7329328 | Method for etch processing with end point detection thereof A method for performing process end point detection in a semiconductor substrate processing system by monitoring for an increase in a flow of backside gas above a predetermined limit. ... | 02/12/2008 |
| 7307403 | System and method for DC power generation from a reluctance machine A system and method is provided for generating DC power using a synchronous reluctance machine (12) or a salient-pole synchronous machine (102) and a power converter (110). The present invention can be used to achieve power production for a sync... | 12/11/2007 |
| 7282893 | Method and apparatus for generator control A generator control circuit is provided that includes a first circuit (44) monitoring a generator voltage change rate and producing a first output when the voltage change rate is above a first level, a second circuit (48) monitoring a generator current... | 10/16/2007 |
| 7276806 | 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 if the detected engine speed is within a first speed range and if th... | 10/02/2007 |
| 7245038 | Extending fuel economy operating range in gasoline direct injection (GDI) engines An engine control system for controlling engine operation in high-output (HO) and fuel-economy (FE) modes in a gasoline direct injection (GDI) engine includes an alternator that is driven by the engine and that is regulated by a load control signal. An alternator lo... | 07/17/2007 |
| 7224132 | Portable range extender operable in automatic and manual modes A portable range extender is provided for an electric vehicle having a vehicle controller, and an electric traction motor powered by a battery. The portable range extender has an engine, a dynamoelectric machine coupled to the engine by a shaft and electrically conn... | 05/29/2007 |
| 7208850 | Power strip transfer mechanism A transfer switch is provided for transferring the supply of electrical power to a load between a utility source and a generator that generates electrical power when started. The transfer switch includes a transfer relay that selectively connects the load to one of ... | 04/24/2007 |
| 7190266 | Pre-installed appliance with warning system and methods of operation A limited-use appliance, such as a garage door operator or a home network bridge device, is disclosed which has at least one input device for generating an input signal and a controller associated with the input device and receiving the input signal. The controller ... | 03/13/2007 |
| 7157885 | Inverter controlled generator set and method for controlling the same A method for controlling an inverter controlled generator set which comprises a DC power source section having as a power source a generator driven by an engine and an inverter which converts an output of said DC power source section into an AC output, the method co... | 01/02/2007 |
| 7123128 | Pre-installed appliance and method for purchasing the same A limited-use appliance is disclosed which has at least one input device for generating an input signal and a controller associated with the input device and receiving the input signal. The controller initiates at least one limited-use function of the appliance upon... | 10/17/2006 |
| 7105946 | Distributed power generation system, and power supply system and power supply method utilizing the same A plurality of distributed power generation systems are connected via the Internet to a managing apparatus in a managing company. A power company communicates with the managing apparatus via another line. At peak times of power consumption in the midsummer and so fo... | 09/12/2006 |
| 7075195 | Electrical safety lockout mechanism for power tools and other hazardous machinery An improved electrical lockout mechanism includes a first connection means to a power source, and a second connection means to a power input terminal of the machine being protected. The machine includes a manually-operated ON/OFF switch. A switching element, which i... | 07/11/2006 |
| 7028796 | Four-wheel drive apparatus using motor, and method thereof A four-wheel drive apparatus for a vehicle with front wheels driven by an engine comprises a generator connected to the engine for generating an electric current; a motor driven by the electric current supplied from the generator and supplying power for driving rear... | 04/18/2006 |
| 6998727 | Methods of operating a parallel hybrid vehicle having an internal combustion engine and a secondary power source The invention is directed toward methods for operating a parallel hybrid vehicle in a manner that responds to the operator's demand for power output, while maximizing engine efficiency and minimizing disruptions in vehicle drivability. According to principles of the... | 02/14/2006 |
| 6946749 | Automatic management of the health of an electrical storage device A system and method for maintaining the health of an electrical storage device measures revolutions per unit time of an engine shaft of an internal combustion engine. A status signal is provided indicating whether the engine shaft is disengaged or engaged with a rem... | 09/20/2005 |
| 6927499 | Power generator and system comprising it A control unit (5) for controlling each device which constitutes a electric power generator set (1) is provided with an operation-and-display device (28) so constituted as to calculate each electric power value data and each electric energy data... | 08/09/2005 |
| 6888263 | Gas turbine generator A gas turbine generating apparatus according to the present invention comprises a gas turbine capable of a high-speed operation, a permanent-magnet-type generator driven at a high speed by the gas turbine, an inverter device (5) for converting alternating-cur... | 05/03/2005 |
| 6624618 | System and method for vehicle voltage regulation A method of operating an alternator of a motor vehicle includes the steps of monitoring an amount of stored electrical energy available to operate the vehicle, estimating a vehicle electrical load, and regulating an output of the alternator based at least... | 09/23/2003 |
| 6608394 | Starting system for vehicle In the case of an engine automatic stop and start system in which an engine is stopped while a vehicle is stopped and the engine is started when the vehicle is started, it is necessary to shorten an engine starting time when a driver desires to move the v... | 08/19/2003 |
| 6534958 | System that supplies electrical power and compressed air with throttle control A system provides electrical power and compressed air includes a wheeled hand truck frame, an engine, a compressor, a generator, and a reservoir having several horizontally disposed cylindrical tanks in fluid communication and arranged in one or a few ver... | 03/18/2003 |
| 6369549 | Motor vehicle electrical system with multiple generators A motor vehicle charging system comprises a first alternator including a first power output and a discrete alternator enabling input, a second alternator including a second power output and an electronic controller having a switchable output. The switchab... | 04/09/2002 |
| 6166525 | Automatic electric power generator control A controller operates to start an electric power generator, for example a gasoline engine electric power generator, when a demand is made for electric power when the user turns on an electric powered device, such as a circular saw, that is to be used. The... | 12/26/2000 |
| 5880537 | Uninterruptable power supply An uninterruptable power supply, operating normally under power supplied by a utility, has a main motor, a smaller induction motor, and a mechanical load such as a generator coaxially coupled together. A battery is connected to the smaller induction motor... | 03/09/1999 |
| 5821706 | Control apparatus and method for initiating power generation for hybrid electric automobile A power generation control apparatus of a hybrid electric automobile includes an electric motor for driving driving wheels of the hybrid electric automobile, a power supply device for supplying electric power to the electric motor, a generator for supplyi... | 10/13/1998 |
| 5694026 | Turbine generator set without a step-down gear box The invention relates to a turbine generator set comprising a turbine and a generator coupled to each other without a step-down gear box, and a static frequency converter connected in series between said generator and an AC electricity grid having a given... | 12/02/1997 |
| 5671112 | Digital integrator V/Hz relay for generator and transformer over-excitation protection A system for implementing accurate V/Hz value measurement and trip time determination for generator/transformer overexcitation protection independent of the conventional frequency tracking and phasor estimation based on Discrete Fourier Transformation (DF... | 09/23/1997 |
| 5637987 | Regenerative vehicle launch A hybrid electric vehicle includes an internal combustion engine, a multi-speed automatic transmission, and an electric machine operable in a motoring mode and a generating mode. A compound planetary gear set operatively couples the engine, transmission a... | 06/10/1997 |
| 5614809 | Electric generation control system for hybrid vehicle When the remaining capacity of a battery on a hybrid vehicle is smaller than a threshold value or the battery is unable to output the amount of electric energy required to propel the hybrid vehicle with a propulsive electric motor, the engine is started b... | 03/25/1997 |
| 5608308 | Electric generation control system for hybrid vehicle The opening of the intake air control valve of an engine which actuates a generator on a hybrid vehicle is basically controlled by an intake air control valve control assembly to cause the engine to produce a power output corresponding to a target generat... | 03/04/1997 |
| 5561330 | Automatic electric power generator control A controller operates to start an electric power generator, for example a gasoline engine electric power generator, when a demand is made for electric power when the user turns on an electric powered device, such as a circular saw, that is to be used. The... | 10/01/1996 |
| 5559704 | Method to compute horsepower required by an internal combustion engine coupled to an auxiliary alternator A method for determining gross engine horsepower of an internal combustion engine coupled in driving relationship to an alternating current electric alternator, the alternator supplying electric power to variable loads, comprises measuring the field curre... | 09/24/1996 |
| 5488286 | Method and apparatus for starting a synchronous machine A synchronous machine is operable in a starting mode of operation in which a magnitude of a parameter of power applied to a main generator portion armature winding of the synchronous machine is detected relative to a stationary frame of reference and is c... | 01/30/1996 |
| 5332927 | Power supply system for a telecommunication system An auxiliary power supply system includes an internal combustion engine driving an alternator the output of which is rectified and supplied to DC bus lines across which a storage battery is connected. The DC bus lines may supply a consuming device such as... | 07/26/1994 |
| 5198698 | Auxiliary power supply system for providing DC power on demand An auxiliary power supply system includes an internal combustion engine driving an alternator the output of which is rectified and supplied to DC bus lines across which a storage battery is connected. The DC bus lines may supply a consuming device such as... | 03/30/1993 |
| 5151647 | Enhanced charging system diagnostic method A method for detecting full or partial inoperability of a vehicular alternator battery charging system monitors the vehicle's battery voltage and compares it against a controlled reference voltage. When the monitored voltage differs from the target by an ... | 09/29/1992 |
