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| Number | Title | Issue Date |
| 8138696 | Dipolar axial compression permanent magnet motor The present invention relates to a system and a method for improving the use of energy in an electric motor by inducing currents generated from magnets that result in an increase of primary power and creating, directing and introducing a counter current obtained fro... | 03/20/2012 |
| 8129929 | Control and power device for a rotating electrical machine A control and power device for a rotating electrical machine comprising a management circuit and a power circuit including a number of power transistors and driver circuits associated with the power transistors. The device provides connection between the management ... | 03/06/2012 |
| 7609011 | Electric force transmission device In an electric force transmission device employing two motor generators and a differential device having at least three rotating members and having two degrees of freedom, the first rotating member is coupled to the first motor generator, the second rotating member ... | 10/27/2009 |
| 7564203 | Actuator with DC motor and with irreversible transmission for maneuvering a roller blind The actuator (ACT) comprises: a DC motor (MOT) having an armature energized via brushes (B) and a bar commutator with segments (L) and driving the movable element (LD) by way of a mechanical transmission device (TRD), and ... | 07/21/2009 |
| 7541758 | MOS rectifying device, driving method thereof, and motor generator and motor vehicle using thereof V-phase upper-arm open phase detecting circuit outputs a permission signal to allow U-phase lower-arm MOSFET to be conductive when the V-phase voltage is higher than the positive electrode potential. In response to this permission signal, U-phase lower-arm driver ci... | 06/02/2009 |
| RE40713 | Turbogenerator/motor controller A turbogenerator/motor controller with a microprocessor based inverter having multiple modes of operation. To start the turbine, the inverter connects to and supplies fixed current, variable voltage, variable frequency, AC power to the permanent magnet turbogenerato... | 05/19/2009 |
| 7427849 | Controller for an electric vehicle and driving apparatus for the electric vehicle The present invention provides a controller and driving apparatus for an electric vehicle, which enables a motor to steadily output torque even when there is an increase in the rotation speed of an internal combustion engine that drives a generator. A motor control ... | 09/23/2008 |
| 7378808 | Electric drive system having DC bus voltage control An electric drive system has a power source and a generator operatively connected to the power source. The generator is configured to produce a power output. The electric drive system also has at least one capacitor configured to store a supply of power. The electri... | 05/27/2008 |
| 7368893 | Voltage control apparatus for electric generator of vehicle In a vehicle voltage control apparatus which regulates the output voltage of the vehicle electric generator and which receives an external control signal for lowering the regulated voltage value, from an external apparatus such as the engine ECU during engine starti... | 05/06/2008 |
| 7362002 | Automotive starter generator apparatus An automotive staffer generator apparatus that is inexpensive and compact, enabling engine starting functions and generating functions to be made compatible by improving maximum torque without having to increase the number of turns in an armature winding. An automot... | 04/22/2008 |
| 7348183 | Self-contained microelectrochemical bioassay platforms and methods Methods and devices for improved chemical and biomass detection assays combined well defined microstructures having independently addressable electrodes with various surface immobilization electrochemical assays. Combining known chemical detection immobilization ass... | 03/25/2008 |
| 7335998 | Device for supplying voltage to the loads of an onboard electrical system of a motor vehicle, using a plurality of generators A device for supplying voltage to the loads of an onboard electrical system of a motor vehicle includes a first generator, a regulator allocated to the first generator, a second generator, a regulator allocated to the second generator, and a control apparatus. The c... | 02/26/2008 |
| 7317290 | Tandem battery powered inverter and method of implementing the same AC inverters that are electrically connected to a direct current source to convert the direct current source such that the transistor power module of an inverter can power a plurality of AC motors wherein the motors can be located remote from the inverters or within... | 01/08/2008 |
| 7298102 | Electric drive system having DC bus voltage control An electric drive system has a power source and a generator operatively connected to the power source. The electric drive system also has at least one energy storage device such as a capacitor configured to store a supply of power. The electric drive system further ... | 11/20/2007 |
| 7288923 | Voltage-limited electric machine An electric alternator having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits around different portions of the winding which may be configured relative to one another... | 10/30/2007 |
| 7288868 | Motor generator A motor generator is provided with a stator having a winding around each of a plurality of stator teeth, and a rotor having a plurality of permanent magnets by the number larger than that of the stator teeth, arranged in the circumferential direction at equal interv... | 10/30/2007 |
| 7276882 | Regulator control circuit and method Switching devices control the rectification and flow of alternating current power from a source such as an alternator to a load such as a battery in response to both the voltage of the battery and a minimum selected time period that is selected to eliminate or reduc... | 10/02/2007 |
| 7272302 | PSC motor system for use in HVAC applications with field adjustment and fail-safe capabilities A field-adjustable motor control system includes a motor, an inverter coupled to provide energization to the motor, a controller coupled to the inverter, and a field adjustment circuit that provides field adjustment signals to the controller. The controller provides... | 09/18/2007 |
| 7268441 | Control device for motor generator In the control device for motor generator in which an engine is started and power generation is performed while a vehicle is running, a field current limit value Ifm in electric driving to start the engine is larger than a field current limit value Ifg in power gene... | 09/11/2007 |
| 7262539 | Saturation control of electric machine The invention includes an electric alternator/motor having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits, one of which includes a saturable portion in which saturat... | 08/28/2007 |
| 7242159 | Controller for drive system An ECU executes a program including the steps of calculating a capacitor charging electric power value W (1) (a value of electric power to be stored in a capacitor) based on a voltage value of the capacitor, if a vehicle is under braking, calculating a regene... | 07/10/2007 |
| 7235891 | Power system having generator driven by engine An apparatus for controlling the operation of power conditioners (10) for supplying the generated power to an external power system such as a commercial power system, in which power conditioners (10) are interconnected to an external power system, the ... | 06/26/2007 |
| 7230396 | Device method for switching of currents in a stator winding of a generator-electric motor combination The invention relates to a device and a method for switching currents in a stator winding (1) of a generator/electric motor combination, said stator winding (1) comprising at least one winding which can be short-circuited or switched in a highly-resist... | 06/12/2007 |
| 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 |
| 7224078 | Electric rotating machine for vehicle In a vehicle electric rotating machine having a power section formed of a pair of inverter modules of switching elements and diodes connected in parallel thereto, and a control circuit section that controls mentioned power section, there are separately located the c... | 05/29/2007 |
| 7218068 | Power source for re-circulation pump and method of controlling the same A variable-voltage variable-frequency power source for an electric motor that drives a re-circulation pump for a boiling water nuclear reactor. The power source has a semiconductor electric power converter and a speed controller for controlling the semiconductor ele... | 05/15/2007 |
| 7218540 | Power semiconductor device Inverter circuits are connected to a P electrode and an N electrode, and control the U, V and W phases, respectively, of a three-phase motor. The inverter circuits are connected to the three-phase motor through shunt resistors, respectively. The shunt resistors are ... | 05/15/2007 |
| 7205731 | Control of vehicle motor A motor control device for controlling an electric motor (1,6) installed in a vehicle, is disclosed. The motor has a field winding (101,601). The motor control device has a battery (4) charged by power at a first voltage (Vb), an voltage increas... | 04/17/2007 |
| 7205732 | Energy collection and storage system A power generation and/or storage device utilizes human motion inputs or other power sources (i.e. hydraulics, pneumatics or explosive gases) to create mechanical kinetic energy that is stored (preferably in springs) and later released on demand to rotate a generato... | 04/17/2007 |
| 7191678 | Electromotive adjustment device An electromotive adjustment device for adjusting a control element includes a housing and a gear mechanism which has a plurality of intermeshing gear wheels to define a drive train. In driving relationship with the gear mechanism is a drive motor which is constructe... | 03/20/2007 |
| 7183750 | Vehicle power-generation control unit and vehicle power-generation control system The vehicle power-generation control unit has a first function enabled when a control signal received from outside designates a first mode to control an exciting current such that an output power of a vehicle generator is kept at a value specified by the control sig... | 02/27/2007 |
| 7183729 | Motor vehicle comprising means for varying accelerator pedal extreme actuated position A motor vehicle including an electric drive engine capable of being successively supplied with electric power by two separate electric power sources, in particular by a set of batteries and by a fuel cell, and of the type including an accelerator pedal that is mobil... | 02/27/2007 |
| 7169272 | Microfabricated recessed disk microelectrodes: characterization in static and convective solutions Construction and characterization of microfabricated recessed disk microelectrodes (RDMs) of 14 and 55 μm diameter are reported. The work reported here makes several new contributions to the current literature on microfabricated RDMs. Hybrid blamers were constructe... | 01/30/2007 |
| 7151355 | Electric motor driving system, electric four-wheel drive vehicle, and hybrid vehicle An electric four-wheel drive vehicle includes: an internal combustion engine; a generator for outputting DC electrical power; an inverter for converting DC electrical power, output from the generator, into AC electrical power; and an AC electric motor, which is driv... | 12/19/2006 |
| 7143851 | Method for controlling a wheel drive system of a hybrid vehicle A method for operating a hybrid vehicle when starting a power source. The method includes initiating a start sequence that includes driving the power source at a target speed, determining a speed adjustment value based on an amount of vehicle acceleration requested ... | 12/05/2006 |
| 7144486 | Multilayer microcavity devices and methods Microcavities and micropores that are microscopic ( | 12/05/2006 |
| 7138775 | Control for battery pack A battery pack of a series combination of cell units is connected with a motor drive control circuit to drive a traction motor for a vehicle. A current sensor senses a discharge/charge current of the battery pack, and a voltage detecting circuit senses a voltage bet... | 11/21/2006 |
| 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 |
| 7119520 | Energy storage flywheel test control system A system and method for removing energy from the rotating group in an energy storage flywheel system during flywheel system testing includes one or more sensors is operable to sense operational parameters of the energy storage flywheel and to supply a sensor signals... | 10/10/2006 |
| 7109671 | Device and method of a back EMF permanent electromagnetic motor generator This invention is a back EMF permanent electromagnetic motor generator and method using a regauging process for capturing available electromagnetic energy in the system. The device is comprised of a rotor with magnets of the same polarity; a timing wheel in appositi... | 09/19/2006 |
