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| Number | Title | Issue Date |
| 7405541 | Control apparatus for automotive alternator having capability of reliably detecting disconnection between alternator and battery According to the present invention, there is provided a control apparatus for an automotive alternator which includes a switch, a target voltage setter, a voltage regulator, and a disconnection detector. The switch is configured to be selectively turned on and off s... | 07/29/2008 |
| 7370806 | Label for an electronic product that provides failure information when the product fails A label on an electronic product may be written electronically and maintains the last display state when power is removed from the label. There are many different types of digital paper and electronic paper known in the art that would be suitable for use as such lab... | 05/13/2008 |
| 7357041 | Rotation detection device Torque ripple of a motor due to a rotation detection device is reduced. A periodicity gain multiplier 51 multiplies the rotation angle θ of a detection target by a ripple periodic number m per rotation of the detection target. An adder 53 adds a phase... | 04/15/2008 |
| 7342321 | Bicycle electric power unit A bicycle electric power unit supplies electric power to a bicycle motor unit having a power source, a power source controller, a power source voltage detector, a first power source switch and a second power source switch. The power source controller turns off the f... | 03/11/2008 |
| 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 |
| 7271570 | Active rectification of alternator output without using a position sensor Disclosed herein is an automotive electrical system including a FET based rectifier and method of controlling the FET based rectifier without using either an alternator shaft position sensor or current sensors on each phase of the alternator output to control the sw... | 09/18/2007 |
| 7256506 | Backup power hierarchy for a facility system A system is disclosed which accomplishes a method of providing backup power to a device in a facility. The method includes using turbines to combusting a fuel to generate a primary power source. If this source fails, a secondary source of power is obtained from a co... | 08/14/2007 |
| 7245032 | Mobile-power system utilizing propane generator, fuel cell and super capacitors The present invention is a mobile-energy generating system capable of providing redundant direct current power. It comprises a reciprocating engine and generator having dual fuel capability, a fuel cell, commercial electrical power hookups, and capacitors used for b... | 07/17/2007 |
| 7242104 | Power system for a telecommunication facility Disclosed is a method of supplying DC power to equipment using proton exchange membranes (PEMs). PEMs run on hydrogen to produce DC electrical power. In the disclosed embodiment these PEMs are used as an alternative source of power to AC sources. One of these other ... | 07/10/2007 |
| 7235952 | Control apparatus for electrical generator apparatus of motor vehicle A generator control apparatus, for controlling electrical generation operation of a vehicle alternator, has a LAN circuit and a dedicated communication circuit, respectively communicating with an external control apparatus (e.g., engine ECU) via a LAN and via a dedi... | 06/26/2007 |
| 7230344 | Apparatus and method for transient and uninterruptible power In accordance with certain exemplary embodiments, the present technique provides methods and apparatus for providing transient and uninterrupted power to protected loads. As one example, the present invention provides an induction device that operates as an inductio... | 06/12/2007 |
| 7199987 | Diode system having zener diodes and a generator A diode system and a generator, uses Zener diodes. The diode system has AC voltage terminals and DC voltage terminals, in which the Zener diodes are operable in the forward direction to rectify an AC voltage present at the AC voltage terminals, in which a lower limi... | 04/03/2007 |
| 7196497 | Vehicle-mounted electrical generating system in which field current of electric generator supplying power to high-voltage system is derived from supply voltage of low-voltage system A vehicle-mounted electrical generating system has a first voltage system which operates from a high supply voltage and a second voltage system which operates from a low supply voltage that is substantially constant, and an electrical generator for supplying power t... | 03/27/2007 |
| 7193395 | Systems and method for boosting output of an alternator Disclosed herein are two techniques, neutral point switching and field voltage boost, that will increase the output of today's 12 volt automotive electrical systems in vehicle idle conditions solely by the addition of circuitry. Neutral point switching enables the f... | 03/20/2007 |
| 7180255 | Controlling the release of a brush motor which has applied a load A method for controlling the release of a brush motor which has applied a load includes several steps. One step includes applying a release current to the brush motor to rotate the brush motor in a direction toward releasing the applied load of the brush motor. Anot... | 02/20/2007 |
| 7173398 | System for controlling a vehicular generator A system for controlling a vehicular generator, includes: a voltage controlling device 1 for adjusting a generator output voltage of a generator 10 connected to an in-vehicle battery 4 to a predetermined voltage, the voltage controlling device | 02/06/2007 |
| 7170261 | Generator with dual cycloconverter for 120/240 VAC operation A generator system has two modes of operation, such as 120 VAC and 240/120 VAC. The generator system has a permanent magnet generator with two independent sets of windings that each generate a three phase AC voltage. One three phase AC voltage is coupled to a first ... | 01/30/2007 |
| 7161329 | Generator controlling system The operation of a generator and the loads placed on the generator are controlled in response to measuring the loads and generator operating parameters and controllably altering the operating conditions in response to comparison of the measurements to respective set... | 01/09/2007 |
| 7116082 | Synchronization controller for multiple pulsed alternator applications A control concept for large pulsed power applications that use multiple pulsed alternators to generate high-energy current pulses. Pulsed alternators produce a large reaction torque during discharge, but paired pulsed alternators are characterized by equal and oppos... | 10/03/2006 |
| 7116021 | Bridge rectifier for charging system alternator A charging system includes an alternator body, rotor coil and stator windings. A bridge rectifier is positioned within the alternator body and connected to the stator windings for rectifying the electrical output from the stator windings. The rectifier includes a po... | 10/03/2006 |
| 7106012 | Electronic control unit, electric power-assisted steering device and transmission ratio-variable steering unit An electronic control unit for producing a sufficiently boosted voltage even when a supply voltage becomes high includes an inverter that drives switching elements and converts a DC voltage into an AC voltage, and booster means which boosts a DC voltage that is inpu... | 09/12/2006 |
| 7102331 | Generator with dual cycloconverter for 120/240 VAC operation A generator system in accordance with the invention has two modes of operation, such as 120 VAC and 240/120 VAC modes of operation. The generator system has a permanent magnet generator with two independent sets of windings that each generate a three phase AC voltag... | 09/05/2006 |
| 7098548 | Power system for a telecommunication facility Disclosed is a method of supplying DC power to equipment using proton exchange membranes (PEMs). PEMs run on hydrogen to produce DC electrical power. In the disclosed embodiment these PEMs are used as an alternative source of power to AC sources. One of these other ... | 08/29/2006 |
| 7091702 | Digital real and reactive load division control The present invention is a generator control system where each generator in the system has an associated controller. Each controller communicates generator data or information with the other controllers in the generator control system. Each of the controllers includ... | 08/15/2006 |
| 7080449 | Method and a connector arrangement for connecting and disconnecting a generator to a circuit with an existing alternating current A method and a connector arrangement for connecting and disconnecting an electrical generator, such as a prime mover driven alternator (10), to a circuit with an existing alternating current such as the mains electricity supply (20). ... | 07/25/2006 |
| 7034499 | Electromagnetic motor An electromagnetic motor with increased torque. The motor has a rotor coil configured to generate a magnetic field. At least two stator coils are connected in series with the rotor coil. Each of the stator coils is configured to generate a respective magnetic field.... | 04/25/2006 |
| 7009365 | Systems and methods for control of vehicle electrical generator Systems, methods and devices are described for controlling a vehicle electrical generator. A regulator for controlling a generator in response to an input signal received from a control module suitably includes a discriminator module, a processing module and a switc... | 03/07/2006 |
| 6992401 | Power system for a telecommunication facility Disclosed is a method of supplying DC power to equipment using proton exchange membranes (PEMs). PEMs run on hydrogen to produce DC electrical power. In the disclosed embodiment these PEMs are used as an alternative source of power to AC sources. One of these other ... | 01/31/2006 |
| 6960838 | Power system for a telecommunication facility A power system specifically designed to provide reliable electrical power to a telecommunication facility is disclosed. The system includes a number of microturbine generators adapted to provide AC power that is then rectified to DC power by an array of rectifiers. ... | 11/01/2005 |
| 6943532 | Voltage control apparatus for vehicle generator having a light emitting diode A voltage control apparatus 1 for a vehicle generator 2 has an input terminal L for inputting the voltage of a battery 5 through an ignition switch 3 and a light emitting element (light emitting diode 4) connected in series with th... | 09/13/2005 |
| 6917179 | Load driver and control method for safely driving DC load and computer-readable recording medium with program recorded thereon for allowing computer to execute the control In regenerative braking mode, an inverter converts, according to PWMC signal from a control unit, an AC voltage generated by a motor into a DC voltage to supply the converted DC voltage to an up-converter which down-converts the DC voltage to charge a DC power suppl... | 07/12/2005 |
| 6795378 | Electronic device, electronically controlled mechanical timepiece, and control method therefor An electronically controlled mechanical timepiece, which is an electronic device, is equipped with a generator 2 for converting the mechanical energy transmitted from a mainspring through the intermediary of a wheel train into electrical energy, and a rotatio... | 09/21/2004 |
| 6744239 | Connection to grid type engine generator apparatus A fault on the generator can be detected with the use of a simple arrangement. The output of the generator 12 which has multi-phase winding and is driven by an engine 11 is rectified and then converted by an inverter 133 into an alternating curr... | 06/01/2004 |
| 6693852 | Electronic device, electronically-controlled mechanical timepiece, and electronic device controlling method An electronic device in which a braking torque can be increased while reduction in power generation is suppressed, and in which a rotor is prevented from stopping or rotating at an excessive speed. Such an electronic device includes a generator which is d... | 02/17/2004 |
| 6677683 | System for supplying power to ROSAR transponders, including transmitting and receiving antennas for ROSAR devices In a system for supplying power to ROSAR transmitting and receiving antennas that are integrated into the tip of a helicopter rotor blade, wind energy is converted directly into electrical energy locally at the rotor blade tip.... | 01/13/2004 |
| 6653821 | System controller and method for monitoring and controlling a plurality of generator sets In accordance with the present invention, a system controller and method for monitoring and controlling a plurality of generator sets are provided. Each generator set generates electrical power and includes a generator communications link for connecting a... | 11/25/2003 |
| 6591821 | Variable voltage regulator for electronic accelerator in automobile The present invention comprises an Electronics Control Unit (ECU) power potential stabilizing circuit and an ECU reference potential stabilizing circuit. The ECU power potential stabilizing circuit eliminates noise and stabilizes voltage variation occurri... | 07/15/2003 |
| 6498462 | Generator control system to accommodate a decrease in a power grid voltage A system includes a generator and a circuit. The generator is coupled to provide power to a power grid. The circuit is coupled to the generator and is adapted to use a scheme to detect a shut down of the power grid and prevent the generator from providing... | 12/24/2002 |
| 6476509 | Mobile AC power system A portable generator assembly comprising an alternator installable in a vehicle, and a power converter. The alternator includes an AC output port electrically connected to the stator windings of the alternator for receiving the AC output signal, and provi... | 11/05/2002 |
| 6429613 | Generation control device of hybrid electric vehicle A generation control device of a hybrid electric vehicle is able to satisfactorily generate power with an excellent responsiveness with respect to a high output requirement from a motor. If a charge level SOC sensed by a charge level sensing device is not... | 08/06/2002 |
