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7609023 |
Control apparatus for electric vehicles
In electric vehicle control, system voltage stabilization control is executed to reduce the difference between a target value and detected value of a system voltage generated by a voltage boosting...
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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...
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7595599 |
Drive regenerative control system
Provided is a drive regenerative control system of a drivee with a motor superior in torque and weight balance and suitable for miniaturization as the drive source. In a drive regenerative control...
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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...
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7554276 |
Protection circuit for permanent magnet synchronous motor in field weakening operation
A safety circuit for providing protection against failures that impact safety of an inverter circuit driving a Permanent Magnet Synchronous Motor (PMSM) including high and low side switches...
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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...
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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...
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7495411 |
Controller for an electric four-wheel-drive vehicle
An object of the present invention is to provide a controller for an electric four-wheel-drive vehicle, which is capable of minimizing torque changes and consuming excessive power even when the...
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7495399 |
Power output apparatus and vehicle including the same
A coordination control device of a power output apparatus includes a coordination control unit. The coordination control unit calculates an intermediate value between the maximum value and minimum...
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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...
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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...
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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...
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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...
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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...
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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...
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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 )...
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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...
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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...
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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...
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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...
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7105972 |
Controller and magnetically driven wheel for use in a radial/rotary propulsion system
The radial/rotary propulsion system of the present invention features a flywheel having concentric rings of permanent magnets attached to one or both sides or embedded into the flywheel. These...
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7084600 |
Power control apparatus for a turbo charger equipped with an assist motor and a motor driven turbo charging apparatus
A power control apparatus includes an inverter giving a rectangular waveform drive signal to an induction motor, an inverter voltage controlling section controlling an output voltage of the...
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7071639 |
Electric motor control apparatus
An electric motor control apparatus suppressing power loss caused by driving an electric motor acting as a motor with a generated output of an electric motor acting as a generator. The electric...
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7053566 |
Drive train for hybrid electric vehicle
A drive train for a hybrid electric vehicle has an engine, first and second motor/generators, a third motor, and a transmission in connecting relationships with the engine, the motor/generators,...
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7038406 |
Bi-directional field control for proportional control based generator/alternator voltage regulator
An H-bridge switching topology for bi-directional field excitation to null the effects of a rotor's permanent magnets uses both a low-side and a high-side field excitation driver to control the...
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7009350 |
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...
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6989640 |
Actuator driving device of working machine
A device, mounted on a hydraulic excavator, for allowing each of first and second electric motors ( 13 ), ( 14 ) to generate power by using electric power supplied from a power supply having a...
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6984947 |
Apparatus and method for adjusting components of an optical or mechanical system
An apparatus and a method for adjusting components of an optical system, the components including an adjustment device. An electric positioning motor can be engaged onto the adjustment device of...
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6977475 |
Automotive electric power supply apparatus
Each of the phases of coil in an armature winding of a dynamoelectric machine is constructed so as to have six turns, an inverter has a plurality of element-diode sets, each element-diode set...
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6949902 |
Controller of rotating electric machine for vehicle
A controller of a rotating electric machine for a vehicle has a magnetic field electric current command arithmetic device for commanding a magnetic field electric current by the command of a torque...
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6949897 |
Control device for hybrid vehicle
A control device for a hybrid vehicle which enables an appropriate electrical control based on the usable electrical energy stored in the battery device. In this control device, in step S 357, in...
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RE38790 |
Power output apparatus, method of controlling power output apparatus, and driving system with power output apparatus incorporated therein
A power output apparatus 20 includes a clutch motor, an assist motor, and a controller. The clutch motor and the assist motor are controlled by the controller to enable the power output from an...
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6836086 |
Controlled starting system for a gas turbine engine
A starting system and method for a gas turbine engine includes a controlled starter system and a controlled fuel system. The controlled starter motor is accelerated along an acceleration profile to...
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6828742 |
Power supplying apparatus and method for vehicle drive device to be controlled using control unit
A vehicle drive device substantially has a motor and a power supplying apparatus. The power supplying apparatus has a main battery, a sub-battery, a power drive unit, a capacitor, a contactor, and...
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6825630 |
Machine tool, tool, and tool holder
A longer life, low cost tool and tool holder enabling change of posture with respect to a spindle, having a high machining accuracy of a workpiece, and resistant to generation of vibration or heat,...
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6795755 |
Method for operating a load-dependent power-generating system in a vehicle
In a method for operating a load-dependent power-generating system which supplies electric energy to at least one electric drive motor in a vehicle, a performance setpoint value is determined for...
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6771040 |
Control apparatus and control method of on-vehicle dynamo-electric machine
A control apparatus and a control method of an on-vehicle dynamo-electric machine 1 are provided for efficiently controlling functions as a starter-motor and as a charging generator. In case that...
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6768277 |
Gas turbine system and method for controlling the same
In a gas turbine system having first power converter converting power system N AC voltage to DC voltage, second power converter converting the DC voltage into AC voltage, generator connected to...
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6766874 |
System for driving hybrid vehicle, method thereof and electric power supply system therefor
A system for driving a hybrid vehicle comprising an engine; a motor/generator coupled to the engine; a battery connected to the motor/generator through an electric power converter; and a controller...
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6731087 |
Fan motor
A fan motor includes a rotor coil and a stator coil. The stator coil has its starting coil or rotating coil provided with an auto-coupling tapped coil or a third coil to make up a secondary coil of...
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6731081 |
Vehicle alternator having rectifier circuit using diode and FET
A vehicle alternator includes a permanent magnet rotor, a stator having armature coils, and a rectifier circuit. In the rectifier circuit, schottky barrier diodes and FETs are connected in series...
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6603277 |
Apparatus for controlling cooling fan for vehicle
A cooling fan control circuit drives a brushless motor to rotate a cooling fan to cool a condenser and a radiator mounted on a vehicle when a drive signal is activated. In a situation where the...
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6495929 |
Turbogenerator power control system
A power control system for a turbogenerator which provides electrical power to one or more pump-jack oil wells. When the induction motor of a pump-jack oil well is powered by three-phase utility...
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6492785 |
Variable current limit control for vehicle electric drive system
A vehicle electric drive system includes an internal combustion engine, an electric motor/generator driven by the engine, a first inverter/rectifier coupled to motor/generator, a bus coupled to the...
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6490511 |
Torque-based monitor in a hybrid electric vehicle
A torque based monitor method, apparatus, and system, for a torque splitting hybrid electric vehicle (HEV) powertrain and regenerative brake 54 system. The preferred powertrain configuration...
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6489692 |
Method and apparatus for controlling rotation of magnetic rotor
A method and apparatus for starting a turbogenerator having a sensorless magnetic rotor supported for rotation in a stator by a compliant foil fluid film bearing, the method comprising energizing...
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6452358 |
Electronic apparatus and control method for electronic apparatus
In an electronic apparatus which includes a power generator and a storage device for storing electric energy obtained thereby, it is detected whether a motor driven by the stored electric energy is...
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6452352 |
Method of current interaction in an electric motor drive system having a load-dependent current generating system
This invention provides a process for determining a desired torque (load) value for a load-dependent current generating system, such as a fuel cell system, in an electric vehicle. The process...
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6437535 |
Starting system and method for a microturbine power generation unit
A power electrical system is disclosed for a microturbine power generator. The invention permits the microturbine to be started using an external DC power source. The DC voltage is converted to a...
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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...
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