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8145375 |
System constraints method of determining minimum and maximum torque limits for an electro-mechanical powertrain system
A powertrain including an electro-mechanical transmission mechanically-operatively coupled to an internal combustion engine and first and second electric machines to transmit power to an output...
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8129931 |
Motor control device, motor drive system, washing machine, air conditioner and method of changing magnetization amount of permanent magnet motor
A motor control device includes a magnetization control unit energizing a motor winding to change magnetic flux content of permanent magnet motor, a current detector detecting current supplied to...
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8122983 |
Power output apparatus, hybrid vehicle with the same, and method for controlling power output apparatus
There is provided a hybrid vehicle which stops an engine in a state in which a drive source element connection by a clutch is released; a transmission is used to couple only one of the motors to a...
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8099179 |
Fault tolerant control system
A dual-redundant propulsion-by-wire control architecture with robust monitoring is presented to increase system availability without compromising safety. The dual-redundant controllers are able to...
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8056659 |
Power output apparatus and hybrid vehicle
The hybrid vehicle includes an engine, two motors, and a power distribution integration mechanism arranged coaxially with one another and a transmission. The transmission includes a transmission...
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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...
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7967091 |
Hybrid electric vehicle powertrain with engine start and transmission shift arbitration
A control method and control system for a hybrid electric vehicle powertrain with a multiple-ratio transmission is disclosed in which engine start events are separated in time from transmission...
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7938208 |
Power output apparatus and hybrid vehicle
A hybrid vehicle includes an engine, motors, and a power distribution and integration mechanism that are coaxially arranged with respect to each other. The hybrid vehicle also includes a...
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7941259 |
Vehicular drive system
Vehicular drive system which is small-sized and/or improved in its fuel economy. A power distributing mechanism 16, which is provided with a differential-state switching device in the form of a...
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7931102 |
Power output apparatus, vehicle equipped with power output apparatus, and control method of power output apparatus
In a 2-motor drive mode with connection of both motors with a driveshaft by means of a transmission, a hybrid vehicle sets torque commands of the motors based on a torque demand set at step S110,...
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7848858 |
Vehicular drive system
Vehicular drive system which is small-sized and/or improved in its fuel economy. A power distributing mechanism 16, which is provided with a differential-state switching device in the form of a...
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7810592 |
Light hybrid vehicle configuration
The present invention provides a hybrid conversion module configured to easily attach to existing powertrain components in order to produce a light hybrid vehicle. The hybrid conversion module...
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7800277 |
Engine with attached axial gap type rotating electric machine
A vehicle drive unit includes a crank case with a crank shaft operatively disposed therein and an attached axial gap type rotating machine. The crank shaft is driven via internal combustion to...
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7795839 |
Parallel hybrid vehicle optimal storage system
The present invention is a method and apparatus by which power is controlled in a hybrid electric vehicle such that high levels of performance and efficiency are realized. The present invention...
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7753149 |
Vehicle driving apparatus
A rotor shaft of a first electric motor is connected to a crankshaft of the engine by being fit to a transmitting member that is coupled to the crankshaft. The stator and rotor shaft of the first...
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7730981 |
Lift truck with hybrid power source
A lift truck power source includes a hybrid power supply including a storage battery, a capacitor bank, and optionally a fuel cell. The capacitor bank stores power produced during regeneration by...
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7725222 |
Control device and control method of hybrid vehicle
A control device of a hybrid vehicle including a motive power distribution mechanism that distributes output of an engine to a first motor-generator and to an output shaft, a second motor-generator...
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7712560 |
Hybrid electric vehicle powertrain
A hybrid electric vehicle powertrain has motor-generator units and gear units assembled in an efficient configuration with an economy of space. Engine power and motor-generator power are...
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7699735 |
Electrically-variable transmission having two forward low range electrically-variable modes and a reverse electrically-variable mode
An electrically-variable transmission is provided with input member and output member, first and second motor/generators, a first planetary gear set and multiple additional planetary gear sets as...
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7690454 |
Hybrid drive, in particular, for a motor vehicle
A hybrid drive, in particular, for a motor vehicle, includes: an internal combustion engine and a transmission disposed on the output side of the internal combustion engine, which transmission is...
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7683569 |
Parallel hybrid vehicle optimal storage system
The present invention is a method and apparatus by which power is controlled in a hybrid electric vehicle such that high levels of performance and efficiency are realized. The present invention...
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7614466 |
Hybrid drive system
A front end portion of an output shaft is supported by a bearing mounted to an inner peripheral surface of a partition that separates a power distributing planetary gear and a speed change unit. A...
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7562730 |
Hybrid vehicle and control method of hybrid vehicle
In a hybrid vehicle equipped with an engine and a motor that are connected to a driveshaft linked to an axle via a gear mechanism, on condition that a torque demand Tr* required for the driveshaft...
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7559386 |
Vehicle hybrid propulsion system
A vehicle hybrid propulsion system includes an internal combustion engine, a transmission, a plate clutch, and at least one electric actuator coupled with the engine and with the transmission for...
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7527111 |
Driving device for hybrid vehicle, and hybrid vehicle incorporating the same
An engine produces power, which is distributed by a power distribution device to an electric generator and a rear wheel. A motor produces power other than that produced by the engine to drive the...
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7497285 |
Hybrid electric vehicle
At speeds of the vehicle lower than a predetermined speed, two rotors (19, 20) of a dual-rotor motor (17), rotating in opposite directions under the action of the same electromagnetic forces, drive...
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7213666 |
Hybrid vehicle
An engine is connected to front wheels via a primary motor, a clutch and a transmission, and a secondary motor is connected to rear wheels. A vehicle is driven by the secondary motor while...
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7157869 |
Control system and control method for motor powered four wheel drive vehicle
A control system for controlling a vehicle which has an engine for driving front wheels thereof and a motor for driving rear wheels thereof. The control system includes: a motor generator which is...
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7117963 |
Apparatus for controlling a driving force of an electric vehicle
In a hybrid vehicle 1 in which a transmission 14 is connected via a first clutch 13 to an internal combustion engine 11 and a first motor 12 that are coupled in series to front wheels Wf, a second...
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7111611 |
Torque sensor-based engine and powertrain control system
A system for controlling a vehicle that includes an engine comprises a controller having an input for receiving an engine torque input command indicative of a desired amount of torque to be...
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7102313 |
Apparatus and method for providing protection to electric traction motor of vehicle
An apparatus provides protection to an electric traction motor of a vehicle. The vehicle has a first powertrain and a second powertrain. The first powertrain includes an engine and it is coupled...
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7081725 |
Power electronics apparatuses for double-fed induction generator to induction motor drive system
The present invention includes a power drive electronics apparatus connected between a frequency variable generator and an electric motor. The power drive electronics apparatus includes a...
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7077223 |
Hybrid vehicle
A hybrid vehicle comprises an engine and a motor as power sources, the output power of at least one of the engine and the motor being transmitted to driving wheels for driving the hybrid vehicle,...
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7054726 |
Control apparatus for vehicle-use electric power generator
It is desirable prevent the speed of an engine, that is driving an electric-power generator, from abruptly increasing when electric power generation by the electric power generator, which supplies...
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7044255 |
Electric generating system for automobiles and its control method
An electric generating system for automobiles has a primary generator which is driven by an internal combustion engine of an automobile and supplies power to an electric load of the automobile and...
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7040433 |
Drive control apparatus for hybrid vehicle
A rotational shaft receives drive power from an engine and a first motor, and drives front wheels through front clutches. A second motor drives rear wheels. The first motor and the second motor are...
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7028796 |
Four-wheel drive apparatus using motor, and method thereof
A four-wheel drive apparatus for a vehicle with front wheels driven by an engine comprises a generator connected to the engine for generating an electric current; a motor driven by the electric...
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6988779 |
Hybrid vehicle
In a hybrid vehicle, an engine is connected to front wheels through a first motor/generator and a transmission, and a second motor/generator is connected to rear wheels. The first and second...
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6965173 |
Electric generating system for automobiles and its control method
The present invention provides a vehicle driving apparatus capable of being mounted easily even in a narrow space such as under-floor of the vehicle. The vehicle driving apparatus comprises a first...
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6962224 |
Hybrid vehicle employing hybrid system
In a hybrid electric vehicle (HEV) employing a hybrid system using both an internal combustion engine and a second motor/generator as a propelling power source for vehicle propulsion, and also...
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6962550 |
Control for vehicle including electric motor powered by engine driven generator
A control system for a vehicle is disclosed. The vehicle has a first powertrain and a second powertrain. The first powertrain includes an engine and it is coupled with a first set of road wheels....
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6954045 |
Driving force control system for hybrid vehicle
There are provided as drive sources an engine 2, a front motor 3 provided on a front wheels 8 side of the vehicle and a rear motor 4 provided on a rear wheels 9 side of the vehicle, and in...
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6953415 |
Vehicle control apparatus
A vehicle apparatus is provided to enable a clutch to be re-engaged without creating a shock when there is rollback of the wheels, which are driven by an electric motor via the clutch. The vehicle...
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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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6930405 |
Vehicle control apparatus
A vehicle control apparatus performs regenerative braking by regeneratively operating first and second motor-generators to apply first and second braking torques in response to a deceleration...
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6908411 |
Vehicle drive control apparatus
A vehicle drive control apparatus is provided for detecting clutch trouble early and alert the driver to the need for clutch repair. The vehicle drive control apparatus is provided in a vehicle...
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6877578 |
Multi-axle vehicle drive system
A drive assembly including an electric motor and frequency variable generator for use with a multi-axle vehicle. The vehicle generally includes an engine driving a first axle and a drive assembly...
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6864652 |
Drive system for automotive vehicle of front-and-rear wheel drive type
A drive system for an automotive vehicle of the front-and-rear wheel drive type, comprising a primary drive mechanism for drive of a set of front road wheels and an ancillary drive mechanism for...
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6860349 |
Cooling system for fuel cell powered vehicle and fuel cell powered vehicle employing the same
A cooling system for a fuel cell and a fuel cell powered vehicle are disclosed. The cooling system and the fuel cell powered vehicle have a primary circulation passage adapted to circulate primary...
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6832148 |
Automatic engine stop and restart mode for reducing emissions of a hybrid electric vehicle
This novel silent operating mode for a hybrid electric vehicle (HEV) reduces noise and emissions compared to traditional HEV operating modes. It is a complementary series of software control...
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