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| Number | Title | Issue Date |
| 8188691 | Decoy apparatus The present disclosure is an apparatus for controlling movement of a decoy. The apparatus for controlling movement of a decoy may include a motor and a housing. The motor may cause movement of a decoy coupled to the motor to simulate movement of an animal. The appar... | 05/29/2012 |
| 8169168 | Electric power steering apparatus An electric power steering apparatus includes a charge-discharge circuit including a circuit charging an auxiliary power supply by turning on and off an MOS-FET for voltage boosting and that selectively configures a first output mode in which an electric power is su... | 05/01/2012 |
| 8164282 | Motive power output apparatus and vehicle with the same An object of the present invention is to provide a motive power output apparatus including a motor with a permanent magnet and a motor without a permanent magnet. A boost device (10) is connected to a power storage device (B). A first drive device (30)... | 04/24/2012 |
| 8143830 | Brushless motor apparatus A blushless direct current (BLDG) motor apparatus includes: a stator which is provided with a plurality of windings corresponding to N phases and wound in parallel independently of each other; a rotor which has a plurality of poles corresponding to the plurality of ... | 03/27/2012 |
| 8138695 | Series electric engine power drive with rheostat and battery feedback The motor generator set described here has unique circuitry which allows for the combined electrical output of two generators to be paired up with one another as well as the output of a battery in a manner that maximizes there output. Diodes are provided in this cir... | 03/20/2012 |
| 8138694 | Bidirectional buck-boost power converters A bidirectional buck-boost power converter 13 including a pair of inverter modules 14, 15 disposed at an output of a machine, and an inductor Lo connected between the pair of inverter modules 14, 15. A method for controlling a voltage... | 03/20/2012 |
| 8125169 | Rotating electrical machine control system and vehicle drive system A rotating electrical machine control system includes a frequency converting portion that is interposed between a rotating electrical machine for driving a vehicle and a DC power source for supplying electric power to the rotating electrical machine, and that conver... | 02/28/2012 |
| 8120291 | Drive system for electrically operated vehicle A drive system is provided for a utility vehicle and includes an alternating-current (AC) motor for providing a drive torque. An AC motor controller receives a battery voltage signal, throttle pedal position signal, brake pedal position signal, key switch signal, fo... | 02/21/2012 |
| 8120290 | Energy management system to improve efficiency of electric and hybrid drive trains A propulsion system is provided that includes an electric drive, a first energy storage system electrically coupled to the electric drive through a direct current (DC) link, and a second energy storage system electrically coupled to the electric drive. The propulsio... | 02/21/2012 |
| 8115426 | Method and apparatus for connecting a photovoltaic system to a power grid An apparatus and a method for preparing connection of a photovoltaic system (Q1) as a first energy source to a power grid (13) by way of a motor generator set (5, 6, 7) is presented. The DC motor (5) is coupled to a three-phase generator ... | 02/14/2012 |
| 8115435 | Device for controlling a polyphase synchronous rotary electrical machine and polyphase synchronous rotary electrical machine containing such a device A control device (2′″) for an AC-DC current converter associated with a polyphase synchronous rotary electrical machine. The AC-DC current converter contains, for each phase, a branch of two power switches in series, known as high and low (25). The... | 02/14/2012 |
| 8111026 | Electric motor drive apparatus, hybrid vehicle with the same and stop control method of electric power converting device An ECU activates a shutdown permission signal and provides it to an AND gate when a shutdown signal is inactive. Thus, when an abnormality sensing device does not sense an abnormality, the ECU always keeps the shutdown permission signal active. The AND gate performs... | 02/07/2012 |
| 8093843 | Vehicle controller and control method By the vehicle controller of the present invention, when the economy mode is selected by a driver, boosting by a converter is limited and output torque of a motor is limited. Even in the economy mode, however, if the driver requests large torque, either the limit on... | 01/10/2012 |
| 8076883 | Drive system and method for operating a drive system for an electronically operated vehicle A drive system for an electrically operated vehicle includes an electric drive unit operable as a motor and as a generator, a first power source circuit with a control device for controllably outputting power, a second chargeable and dischargeable power source circu... | 12/13/2011 |
| 8076874 | On-vehicle actuator system A motor is controlled to always consume power supplied from a power supply system or not to supply power to the power supply system, by performing control to advance or delay a phase of a 3-phase current flowing in the motor or to reduce a percentage of the generate... | 12/13/2011 |
| 8067908 | Method for electric power boosting in a powertrain system A powertrain system is operative to transfer power between an input member and a plurality of power actuators and an output member to generate an output torque. The power actuators are connected to an energy storage device. A method for controlling the powertrain sy... | 11/29/2011 |
| 8054013 | Electric power control device and vehicle with the same Power lines are connected to neutral points of motor generators, respectively, and an electric power is transmitted and received between a vehicle and a load outside the vehicle via the power lines. In this transmission, an ECU simultaneously PWM-controls all phases... | 11/08/2011 |
| 8054012 | Motor driving apparatus A motor driving apparatus having a converter, which receives AC voltage and converts it to DC power, and an inverter, which receives the DC power and converts it to AC power, includes a charge/discharge control circuit and a capacitor connected in parallel to a link... | 11/08/2011 |
| 8049442 | Electric injection molding machine An electric injection molding machine includes a motor driving circuit for driving a motor, and a delivery pipe. The motor driving circuit includes a rectifier circuit, a switch control circuit, a heater, a direct current (DC) link circuit, and an inverter circuit. ... | 11/01/2011 |
| 8040092 | Power supply topology for a multi-processor controller in an electric traction system A multi-processor controller is provided. The multi-processor controller can be used to control the operation of an inverter in a vehicle-based electric traction system. The multi-processor controller includes a first processor device having a first supply voltage n... | 10/18/2011 |
| 8040083 | Motor drive control system and method for controlling the same In a motor drive control system configured to include a converter capable of stepping up the voltage, when the locked state of MG2 operating as an electric motor does not occur (NO in S130), a voltage command value VHref for the converter output voltag... | 10/18/2011 |
| 8035324 | Method for determining an achievable torque operating region for a transmission A method for controlling a transmission operative to transfer power between an input member and torque machines and an output member includes determining available power, motor torque constraints, and other constraints on torque transfer. Equations are provided, tra... | 10/11/2011 |
| 8030860 | Working vehicle A power shovel vehicle including a hydraulic pump that outputs hydraulic oil for operating a hydraulic actuator, an electric motor for driving the hydraulic pump, a main battery for supplying direct current electric power, an inverter for converting the direct curre... | 10/04/2011 |
| 8026679 | Hybrid vehicle A hybrid vehicle includes: first and second rotary electric machines; a matrix converter connecting the first and second rotary electric machines to each other to provide AC to AC power conversion between both the rotary electric machines; a battery connected to an ... | 09/27/2011 |
| 8022645 | Circuit configuration with an end stage for switching an inductive load A circuit configuration includes an output stage having at least one inductive load and a switching transistor configuration for switching the at least one inductive load. A supply voltage has a first supply potential and a second supply potential for feeding the su... | 09/20/2011 |
| 8018182 | Method and device for an overload detection in hand-guided power tools The invention relates to a method for detecting an overload in an electric hand tool (10) comprising an electric motor (12), in particular a battery-driven electric hand tool (10). According to the invention, an operating current (iB)... | 09/13/2011 |
| 8013548 | System, vehicle and related method A system includes a first energy storage system electrically coupled to a DC-link, and the first energy storage system comprises a first energy source that can exchange electrical power with an electric motor through the DC-link; a boost converter coupled to the DC-... | 09/06/2011 |
| 8002056 | Double-ended inverter system with isolated neutral topology Systems and methods are provided for an inverter system for use in a vehicle having a first energy source and a second energy source. The system comprises a motor having a first set of windings and a second set of windings. The first set of windings is electrically ... | 08/23/2011 |
| 8004219 | Operating method and system for hybrid vehicle A hybrid power plant for efficiently propelling a vehicle is described. In particular, an internal combustion motor and a generator capable of producing electrical energy is mechanically coupled to the internal combustion motor. An electrical motor is powered by the... | 08/23/2011 |
| 7999496 | Method and apparatus to determine rotational position of an electrical machine A control system and method to determine position of a rotor relative to a stator for a synchronous multipole electrical machine is presented, including one for application on a fuel/electric hybrid powertrain for a vehicle. The machine includes a stator, a rotor, a... | 08/16/2011 |
| 7977898 | Current sensing for a multi-phase DC/DC boost converter Methods and apparatus are provided for sensing currents on a plurality of phases and determining current information therefrom. The multi-phase boost converter includes a single sensor coupled to all of the plurality of phases and a controller coupled to the sensor ... | 07/12/2011 |
| 7977900 | Inverter system for vehicle-mounted air conditioner The object is to provide an inverter system for a vehicle-mounted air conditioner capable of reducing standby power requirements during nonuse. The voltage supply from a communication power source 80 is turned on and off on the basis of a signal from a commun... | 07/12/2011 |
| 7973499 | Working vehicle A crawler type power shovel vehicle (1) operated by a hydraulic actuator (20), constructed from an electric motor (31) for driving a hydraulic pump (32) for supplying hydraulic oil to the hydraulic actuator (20), a battery (50 | 07/05/2011 |
| 7969105 | Capacitor based energy storage An electrical storage device comprises a capacitor or capacitor bank capable of storing significant quantities of electricity. An inverter in circuit with the capacitor converts direct energy of the capacitor into alternating current. A variable ratio transformer is... | 06/28/2011 |
| 7969104 | Rotary electric system designed to utilize zero-phase circuit In a rotary electric system, a rotary electric machine is provided with an armature core and star-connected multiphase windings with a neutral point wound in the armature core. Each of the star-connected multiphase windings has a predetermined winding configuration ... | 06/28/2011 |
| 7952305 | Reverse drive control for a motorcycle A vehicle comprising a rotatable wheel (e.g., three rotatable wheels), a forward drive mechanism including a forward drive motor (e.g., an internal combustion engine), and a reverse drive mechanism. The reverse drive mechanism includes a reverse drive motor (e.g., a... | 05/31/2011 |
| 7940016 | Regenerative braking methods for a hybrid locomotive The present invention relates generally to regenerative braking methods for a hybrid vehicle such as a hybrid locomotive, which are compatible with optimum management of a large battery pack energy storage system. Four methods for recovering energy from regenerative... | 05/10/2011 |
| 7923945 | Voltage control of upconverter in a motored vehicle drive When an ECU receives a transmission signal having a high level from a transmission, the ECU exerts torque reduction control to reduce a torque control value for a motor generator. Furthermore the ECU sets an optimum (or target) value of a voltage as based on the tor... | 04/12/2011 |
| 7911162 | Motor drive device and control method A motor drive device (100) includes a boost converter (12) boosting a power supply voltage and outputting a boosted voltage; an inverter (14) receiving the boosted voltage from the boost converter (12) and driving a motor (M1); and... | 03/22/2011 |
| 7909124 | Power systems for hybrid electric vehicle (HEV) A hybrid electric vehicle (HEV) power system is provided that includes a vehicle electrical system (VES), an inverter-controller unit (ICU) and an AC electric motor/generator unit (MGU). The VES includes a first DC voltage source and a second DC voltage source coupl... | 03/22/2011 |