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| Number | Title | Issue Date |
| 7425818 | Apparatus for connecting a prime mover driven alternator to a circuit with an existing alternating current The present invention provides a connector arrangement operative to connect a prime mover driven alternator to an alternating current circuit with an existing alternating current. For example, the connector arrangement may be used to connect an alternator driven by ... | 09/16/2008 |
| 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 |
| 7365443 | Generator start/stop controller A method and apparatus is disclosed for starting and stopping a generator set that supplies power to a refrigeration system. An ambient temperature sensor is used rather than an in-box sensor in addition to a programmed microprocessor to regulate the operation of th... | 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 |
| 7328091 | Hybrid vehicle and hybrid vehicle controlling method A procedure for calculating a tentative engine revolution speed Netmp1 that satisfies both restriction to a driving force demand for a smooth change of a driving force acting on a drive shaft in response to a driver's release of an accelerator subsequent to t... | 02/05/2008 |
| 7290525 | Methods and apparatus for an engine speed controller using generator torque load An engine control system for use in connection with vehicles and the like allows the engine speed to be modified using the torque load from the electrical generator. The engine is subject to a torque load from a generator coupled to the engine. The controller compar... | 11/06/2007 |
| 7283899 | Vehicle alternator and methods for controlling torque loading of the vehicle alternator on an engine A vehicle alternator and methods for controlling an amount of torque loading of the vehicle alternator on an engine are provided. The vehicle alternator utilizes a voltage regulator with a microprocessor to control an amount of torque loading, based on a rotational ... | 10/16/2007 |
| 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 |
| 7253591 | Electric power generation control apparatus An electric power generation control apparatus has a bridge circuit, a voltage detection circuit, an electric generation control circuit, and an operation mode setting circuit. The bridge circuit has power transistors and diodes through which a field current is supp... | 08/07/2007 |
| 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 |
| 7224144 | Control of vehicle generator using PWM signal with specially determined duty and frequency A control apparatus for a vehicle generator includes a switch, a regulator, a fault condition detector, and a PWM signal generator. The switch is selectively turned on and off so as to intermittently excite the generator. The regulator controls on/off operation of t... | 05/29/2007 |
| 7183749 | Vehicle generator control system A generator control system of a vehicle generator includes a switching element which turns on or off field current, a field current detecting circuit, a calculating circuit which calculates an average value of the field current when the switching element turns on ac... | 02/27/2007 |
| 7176658 | Controller for permanent magnet alternator The invention is a control system that, among other things, controls a permanent magnet alternator and provides relatively accurate voltage regulation. The control system may include one or more of the following: (1) a rectification system to rectify and regulate th... | 02/13/2007 |
| 7173344 | Series & parallel combined dual power drive system A series and parallel combined dual power system operates as a series combined power system, or as a parallel combined power system; the power from an engine directly drive the load; the system engages in the operation as the series combined power system incase of a... | 02/06/2007 |
| 7151359 | Variable reluctance generator A variable reluctance generator has phase windings and a bias winding. By controlling the excitation produced by the bias winding, the speed of the machine or the DC link, a power converter using only diodes can supply power to a DC bus. A method of operating a vari... | 12/19/2006 |
| 7122994 | Control apparatus for a starter/generator system A control apparatus (202) for a starter/generator (110) of an aircraft electrical power system is provided. During a start mode of operation, AC power is provided by the control apparatus (202) to an exciter stator (114) of the starter/ge... | 10/17/2006 |
| 7122993 | Regulated voltage control override Apparatus and methods are provided for controlling a voltage output of an alternator having a regulated voltage control (RVC). The apparatus includes a processor configured to transmit one of at least two control signals and a switch coupled to the processor and con... | 10/17/2006 |
| 7116081 | Thermal protection scheme for high output vehicle alternator A system and a method for thermally protecting a high output vehicle alternator are provided. The high output vehicle alternator includes a duty cycle control system. The duty cycle control system includes an alternator temperature signal generator and an alternator... | 10/03/2006 |
| 7096984 | Electric vehicle An electric vehicle includes a motor, a first controller that controls the motor, a chargeable battery supplying electric power to the motor, a second controller connected to the battery that controls electric charge for the battery and electric discharge from the b... | 08/29/2006 |
| 7093140 | Method and apparatus for configuring a voltage regulator based on current information A computer system includes a voltage regulator that supplies power to a component. The component may provide a signal indicating an amount of current the component consumes under a high utilization operating condition. The voltage regulator may then determine the sl... | 08/15/2006 |
| 7057303 | Vehicle mounted electrical generator system A vehicle mounted AC generator system having an AC generator mounted outside the engine/transmission compartment and connected by drive shaft with universal joints and a belt driven RPM ratio device. The ratio is set to provide accurate AC generator RPM at a presele... | 06/06/2006 |
| 7034476 | System and method for providing automatic power control and torque boost Certain exemplary embodiments can provide for automatic power control and/or torque boost for retarding a machine. The automatic power control and/or torque boost can provide a control margin under retard. Certain exemplary embodiments comprise a method comprising: ... | 04/25/2006 |
| 7027944 | Programmable calibration circuit for power supply current sensing and droop loss compensation A circuit for regulating power is disclosed. The present invention provides circuits and methods for current sensing variations, static droop settings, mismatched phase outputs, and temperature variations in a multiphase power regulator. The circuits may include a c... | 04/11/2006 |
| 7023672 | Digitally controlled voltage regulator Disclosed is a digitally controlled multi-phase voltage regulator system providing regulated power to electronic components that have variable power requirements. Power is supplied by one or more power integrated circuits (IC) each having a high side power switch co... | 04/04/2006 |
| 7019495 | Inter-regulator control of multiple electric power sources The present invention includes a system and method for controlling multiple sources of electric power using inter-regulator control. The regulators in the system may be of a universal type that may operate either as a master regulator or a follower regulator. Determ... | 03/28/2006 |
| 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 |
| 6989655 | Engine generator An engine generator, sufficiently meeting a demand for a simple configuration and easy control, is provided. The output of a generator 1 connected to an engine 2 is output through a rectifier circuit 3 and an inverter 4. The generator ... | 01/24/2006 |
| 6960900 | Method and apparatus for starting a gas turbine using a polyphase electric power generator A method to start a combined unit gas turbine and electrical unit having a static start drive including the steps of: applying a variable frequency voltage from the static start drive to a winding of the generator to accelerate the combined unit to a turbine self-su... | 11/01/2005 |
| 6960980 | Power converter with shunt resistor A power converter includes a shunt resistor constituted by a shunt resistance and a plurality of main electrodes made of a sheet-like resistive material. In the shunt resistor, plates lower in volume electric resistivity than the resistive material, higher in therma... | 11/01/2005 |
| 6927552 | Control apparatus for on-vehicle electricity storage device A control apparatus for an on-vehicle electricity storage device, which enables an appropriate charging of the on-vehicle electricity storage device while preventing degradation of the on-vehicle electricity storage device. The counter value of a high voltage mainta... | 08/09/2005 |
| 6918299 | Method and apparatus for improving performance of a force balance accelerometer based on a single-coil velocity geophone The invention concerns methods and apparatus for improving the performance of a force-balance accelerometer based upon a conventional, single-coil, velocity geophone. Specifically, the operating temperature range is increased through the use of both a temperature-co... | 07/19/2005 |
| 6909989 | Method and system for establishing operational stability prior to determining temperature correction factors for a generator Computer-based method and system are provided for establishing operational stability prior to determining temperature correction factors for a generator. The method allows providing (e.g., 102) a data file including data indicative of prescribed stability cri... | 06/21/2005 |
| 6819087 | Distributed resource (DR) stabilization control for microgrid applications A power electronic based DR (distributed resource e.g., a UPS (uninterrupted power supply), Fuel Cell or Microturbine) is controlled to emulate a voltage source behind an impedance and behave as a power system stabilizer. The impedance in the DR is emulated and an e... | 11/16/2004 |
| 6784643 | General-purpose induction motor adaptable for a plurality of types of AC power supply In a general-purpose induction motor, a three-phase induction motor 10 is provided with a terminal box containing terminals for electrical connection and a conversion module 30 contained in the terminal box and coupled to the three-phase induction moto... | 08/31/2004 |
| 6774608 | Turbine driven power generating device having DC voltage intermediate circuit and star connected filter capacitors A power generating device is specified, which comprises a generator (1), which is coupled to a drive unit, in particular to a turbine, and is connected via a rectifier (2) to a DC voltage intermediate circuit (3), an inverter (4), which i... | 08/10/2004 |
| 6750634 | Vehicular power generation control device and method A vehicular power generation control device has a voltage control circuit, a power supply circuit and a power control circuit. The voltage control circuit controls the field current of a power generator by turning on and off a transistor. The power control circuit h... | 06/15/2004 |
| 6750635 | Apparatus and method for comparing output signals indicative of engine rotational speed and/or generator rotational speed An apparatus and method are provided to deliver a pair of output signals indicative of engine rotational speed and/or generator rotational speed. The signals are compared to each in order to determine if a generator is operating properly. At least one output signal ... | 06/15/2004 |
| 6737834 | Engine control apparatus with an alternator regulator circuit interface means, and a corresponding interface A motor vehicle alternator includes a regulator for varying excitation as a function of a reference variable, together with a conversion circuit for varying the reference variable (such as a voltage) according to a PWM signal. It includes, in combination: an interna... | 05/18/2004 |
| 6713990 | Device for producing electricity having voltage-booster chopper circuit with an IGBT transistor The invention provides a device for producing electricity intended in particular to be stowed on board a vehicle or a container, including a three-phase alternator able to be driven in rotation at a variable speed by a thermal engine, a rectifier for generating a re... | 03/30/2004 |
| 6664767 | Voltage regulator of vehicle AC generator having variable bypass circuit resistance A voltage regulator of a vehicle AC generator includes a control circuit connected to a power circuit for supplying field current to a field coil of the AC generator, a power circuit for supplying electric power to the control circuit, a power drive circu... | 12/16/2003 |
