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| Number | Title | Issue Date |
| 8004250 | Pyramid electric generator A pyramid electric generator for harvesting the vibrational energies of Earth's atomic oscillators according to the present invention comprises: (1) an antenna/waveguide that is geometrically optimized; (2) a secondary coil wound with an insulated conductor on a non... | 08/23/2011 |
| 7545124 | Connecting a prime mover driven alternator to a circuit with an existing alternating current Apparatus and method are provided, for connecting prime mover driven alternator to circuit that has an existing alternating current. Alternator is connected to circuit when minimum current flows to or from alternator. The actual current is measured by controller fol... | 06/09/2009 |
| 7456616 | Current sensor for electric machine control The disclosed apparatus relates to a current sensing electrical energy generation system comprising, an electric machine, a conductor electrically connected to the electric machine, and a current sensor responsive to current flow in the conductor. ... | 11/25/2008 |
| 7417333 | Methods and apparatus for controlling current in an electrical machine A method for determining electric currents for an electrical machine includes generating a first real power current demand signal and a first reactive power current demand signal. The method also includes determining at least one of a second real power current deman... | 08/26/2008 |
| 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 |
| 7394227 | Power generation control apparatus for vehicle A vehicle power generation control apparatus has a power supply circuit, a rotation detecting circuit, an exciting current detecting circuit, a torque detecting/maximum exciting current determining circuit, and an exciting current control circuit. The rotation detec... | 07/01/2008 |
| 7368892 | Method and apparatus for controlling power generation using gradually exciting technique A generation control apparatus for vehicles is provided, in which a drastic change in the drive torque of a generator, which occurs with the cancellation of gradual excitation immediately after starting an internal combustion engine, can be suppressed to prevent sto... | 05/06/2008 |
| 7358705 | Apparatus of controlling power generation of a generator An apparatus for controlling power generation of a generator has a voltage detector and a power controller. The voltage detector detects a voltage of electric power generated in the generator. When receiving a first power control signal, the power controller control... | 04/15/2008 |
| 7352157 | 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... | 04/01/2008 |
| 7294991 | Method and apparatus for calculating/controlling power generation torque In an apparatus, a first detecting unit detects the number of revolutions of a power generator, a second detecting unit detects an output voltage of the power generator, and a third detecting unit detects an output current of the power generator. A torque calculatin... | 11/13/2007 |
| 7291933 | Double alternator and electrical system for a vehicle A double alternator for a vehicle and a vehicle electrical system employing the double alternator. ... | 11/06/2007 |
| 7292008 | Electric generation control apparatus for vehicle alternator An electric generation control apparatus for a vehicle alternator receives an electric generation control signal transferred from an ECU placed apart from the control apparatus through a data transfer line. The control apparatus has a voltage comparator, a communica... | 11/06/2007 |
| 7292007 | Vehicular electric generation control apparatus and related method of detecting electric generation status A control apparatus controls the generation of a vehicle electric generator having an armature winding, excitation winding and rectifier connected to the armature winding. The apparatus includes a flywheel diode connected to the excitation winding in parallel, a swi... | 11/06/2007 |
| 7285937 | Electric generation control apparatus for vehicle alternator An electric generation control apparatus for a vehicle alternator receives an electric generation control signal transferred from an ECU placed apart from the control apparatus through a data transfer line. The control apparatus has a voltage comparator, a communica... | 10/23/2007 |
| 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 |
| 7265463 | Rotary electric apparatus with high cooling performance A rotary electric apparatus, such as on-vehicle three-phase AC generator (i.e., alternator) comprises a main rotary unit, a semiconductor power converter, and an air cooling mechanism. The main rotary unit is provided with a rotor and an armature disposed as a stato... | 09/04/2007 |
| 7253548 | Method and apparatus for controlling an electric machine The invention provides a method and apparatus for controlling a machine in which the magnetic flux emanating from a rotor is selectively diverted to a second path in the stator which bypasses the winding or windings so as to magnetically de-couple the winding or win... | 08/07/2007 |
| 7253590 | Output control device of generation device An output control device of a generation device including: a rectifier circuit that rectifies an output of an AC generator and applies the output across a battery; an inverter circuit provided between the battery and the generator; inverter control means for control... | 08/07/2007 |
| 7236382 | Inverter module having encapsulated resistors An object is to provide an inverter module capable of reducing installation space, and in summary, the inverter module comprises a switching element group provided in a mold package to convert a DC voltage into a three-phase pseudo AC voltage by switching, wherein r... | 06/26/2007 |
| 7230399 | Vehicular generator-motor system A vehicular generator-motor 1 is composed of a rotor, a stator having three phase armature winding 2, and a converter 4. The rotor is provided with a field winding 3 for magnetizing a plurality of magnetic pole pieces 14a... | 06/12/2007 |
| 7230358 | Electrical resonance circuits for high efficiency direct current motors Practically ideal electrical resonance is employed to soley provide armature power, and stator power if desired, to run DC motors. A practically ideal parallel resonant tank circuit (PIPRC) is used wherein the quotient of the “tank current” divided by the “lin... | 06/12/2007 |
| 7211988 | Method for constant-current generation and device used to carry out said method A method for constant-current generation by means of a rotational energy source, a generator and a control circuit connected to the generator. Mechanical rotational energy is generated by the energy source and the mechanical rotational energy is transmitted to the g... | 05/01/2007 |
| 7161328 | Controller of alternator for vehicle An alternator 1 connected to a battery mounted in a vehicle, a regulator 20 including a regulator IC 4 for adjusting a power generation voltage of the alternator 1, and an ECU connected to the regulator 20 are provided. A DF signal... | 01/09/2007 |
| 7148599 | Iron core winding, method of winding an iron core, and variable reluctance angle detector An iron core winding is such that a winding of a given polarity is coiled in series so that the beginning of each coiling and the ending of each coiling cross on a magnetic pole that is positioned in the direction of a circumference of the iron core. When the windin... | 12/12/2006 |
| 7126520 | Segmented sawtooth generator Generation of segmented sawtooth waveforms. A desired waveform is divided into intervals. A slope is associated with each interval. A charge current representing the slope is applied to a timing capacitor during each interval. Responsive to a clock signal, a counter... | 10/24/2006 |
| 7084610 | Alternator rectifier An alternator for a motor vehicle includes a current generation device and a rectifier. The current generation device has multiple phase stator windings in which AC currents are generated. The rectifier is connected to the windings of the current generation device. ... | 08/01/2006 |
| 7084609 | Alternator controlled rectifier A system and method for controlling the voltage output of an alternator is disclosed. The system includes an alternator having a rotor, which has a field winding, a stator having a plurality of phases, a rectifier bridge connected to the plurality of phases, at leas... | 08/01/2006 |
| 7084601 | Phase current detector A first condenser is connected between output terminals of a rectifier circuit which receives an AC power as an input, and a three phase inverter is connected in parallel with respect to the first condenser, and output of the three phase inverter is supplied to a mo... | 08/01/2006 |
| 7078881 | Vehicle AC generator apparatus having improved generator control apparatus A vehicle AC generator apparatus includes one or more rectifier elements for rectifying a generated AC voltage, and a generator control apparatus which monitors the voltage difference between opposing terminals of a rectifier element, to thereby detect the commencem... | 07/18/2006 |
| 7075272 | Control device for vehicle AC generator In a control apparatus of a vehicle AC generator, a flip-flop for receiving a clock pulse with a constant period and a control pulse is used. The clock pulse sets the control period at the constant period, and decides an on timing of the power transistor in this con... | 07/11/2006 |
| 7053498 | Electronic control for a hydraulically driven generator Electronic control for a hydraulic system driving an auxiliary power source is provided, with specific application as a system for controlling the operation of a hydraulically driven AC generator. The system may includes a hydraulic pump, a hydraulic motor drivably ... | 05/30/2006 |
| 7038428 | Control apparatus for automotive generator A DF signal averaging circuit includes a counter for counting a clock signal fed from a clock signal generator, an OR circuit which causes the counter to perform count-up operation only when a transistor is in an ON state with the clock signal and a potential signal... | 05/02/2006 |
| 7034427 | Selective alignment of stators in axial airgap electric devices comprising low-loss materials An axial gap dynamoelectric machine comprises first and second stators disposed coaxially with an intermediate rotor. The stators are selectively aligned with an axial offset between the positions of their respective teeth and slots. The stators comprise toroidal co... | 04/25/2006 |
| 7034502 | Stabilization of a vehicle network by generating short-term available power A method for stabilizing the voltage in an energy-supply system, particularly in a motor-vehicle electrical system, that is fed by a battery and a generator. If the battery is weak or has completely failed, switching in a new consumer may lead to a voltage dip in th... | 04/25/2006 |
| 7034508 | Control apparatus for automotive generator An A/D conversion device includes a counter for counting a clock signal fed from a clock signal generator, a D/A converter for converting a digital output of the counter into an analog value, a comparator for comparing an analog output of the D/A converter and an an... | 04/25/2006 |
| 7023102 | Power generation controller for AC generator A power generation controller for an AC generator detects the state of a battery and an electric load to control the output of the AC generator. A current detector detects a current to be used by an electric load on the vehicle. The controller includes a field curre... | 04/04/2006 |
| 7023170 | Origin offset calculation method of rotational position detecting device of electric motor and motor control device using the calculation method An inverter that executes a d q-axis control of a three-phase synchronous motor needs a rotational position sensor that detects rotational positions of an electric motor for mutual conversion between two-phase and three-phase. An angle error of this rotational posit... | 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 |
| 7019496 | Demand responsive power generation system A method and apparatus for generating power in a demand responsive manner is disclosed. The apparatus includes a controller monitoring power demand conditions to determine activation of an energy delivery system. The energy delivery system responds to the controller... | 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 |
