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7618343 |
Control apparatus for vehicular drive system
A control apparatus for a vehicular drive system provided with a continuously-variable transmission portion operable as an electrically controlled continuously variable transmission, and a...
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7618340 |
Electric damp controlled three-end shaft differential transmission
An electric damp controlled three-end shaft differential transmission including a revolving electro-mechanical installation disposed between both differential output ends to create vortex power...
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7617896 |
Control device for an electric vehicle
An electric vehicle is provided with an electric motor and a transmission capable of being shifted by a shift mechanism from a neutral state to a start-up speed stage selected state in which a...
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7611440 |
Propulsion system
An apparatus comprising an engine, a drive shaft, a first electric motor, and a fly wheel assembly. The engine may be positioned in a vehicle. The drive shaft may be configured to rotate an axle....
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7604565 |
Double clutch transmission for a hybrid electric vehicle and method for operating the same
A double clutch transmission is described that ideally changes torque received from an engine and a motor by providing an optimal layout in power transmission scheme and motor location. Such a...
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7601092 |
Vehicle propulsion system
A vehicle propulsion system includes an internal combustion engine having an engine output, an electro-mechanical transmission and a control system. The engine output is coupled to the transmission...
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7599786 |
Power output apparatus, vehicle equipped with power output apparatus, and control method of power output apparatus
A vehicle is equipped with a planetary gear mechanism including a sun gear, a carrier, and a ring gear that are respectively connected to a first motor, an engine, and a driveshaft. A second motor...
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7588513 |
Split serial-parallel hybrid dual-power drive system
A split serial-parallel hybrid dual-power drive system, comprised of two or more than two separation drive systems allowing independent operation to respectively drive the load, or all loads driven...
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7585249 |
Apparatus and method to control transmission torque output during a gear-to-gear shift
A control system is provided to effect a method to control torque output from a two-mode, compound-split, electro-mechanical transmission during gear-to-gear shifting event when an off-going...
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7568994 |
Control architecture for selection of optimal mode or gear and input speed for a hybrid powertrain system
There is provided a method and control system for a powertrain system comprising an internal combustion engine and first and second electrical machines and an electro-mechanical transmission...
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7561949 |
Split serial-parallel hybrid dual-power drive system
A split serial-parallel hybrid dual-power drive system, comprised of two or more than two separation drive systems allowing independent operation to respectively drive the load, or all loads driven...
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7559871 |
Power output apparatus, motor vehicle equipped with power output apparatus, and control method of power output apparatus
In a reverse drive with power output from an engine, the control procedure of the invention selects a drive point of the higher rotation speed corresponding to the higher accelerator opening among...
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7555374 |
Method for monitoring a motor speed sensor
A method for detecting speed faults in a hybrid powertrain having engine and electric machine speed inputs includes directly sensing the engine and machine speeds and performing comparisons of...
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7549945 |
Control apparatus and control method for vehicular drive apparatus
A torque control selection portion selects one of a first torque control portion and a second torque control portion as a control portion that controls a torque output from an automatic...
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7540823 |
Dual-clutch transmission with integrated electric machine and utilization thereof
New alternatives for integration of electric machines (EM 1 to EM 6 ) in an extensively integrated dual-clutch transmission ( 1 ) having one dual clutch ( 2 ), one first input shaft ( 8 ) designed...
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7537542 |
Control system architecture for a hybrid powertrain
A control apparatus for a powertrain system comprising an engine and two electrical machines operably coupled to a two-mode compound-split electro-mechanical transmission is provided. It includes a...
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7530920 |
Control apparatus of electric vehicle
The hybrid vehicle is provided with a power distribution mechanism ( 20 ) distributing a power of an internal combustion engine ( 16 ) to a wheel side output shaft ( 6 ) and a first motor generator...
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7524263 |
Powertrain with powersplit pump input and method of use thereof
A powertrain includes an engine operatively connected to a primary power consuming device to transmit power thereto. The powertrain also includes a motor and a pump. The power output of the motor...
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7517298 |
Power-on downshift control for a hybrid electric vehicle powertrain
A method for controlling a hybrid electric vehicle powertrain having an engine, a multiple-ratio transmission, a first electric machine and a second electric machine. On a power-on transmission...
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7517296 |
Variable motor/generator cooling control system for electrically variable hybrid vehicular transmissions
The present invention provides a control system employing a single solenoid valve operable to provide a variable fluid flow to effect cooling if the motor/generator assemblies contained within an...
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7510500 |
Method for controlling a drive of a hybrid vehicle
A method for controlling a drive ( 16 ) of a motor vehicle having an internal combustion engine ( 10 ) and an electric motor ( 24 ). A main transmission ( 16 ) having an output shaft ( 18 ) is...
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7503871 |
Strategy for improving shift quality in a hybrid electric vehicle powertrain
The hybrid electric vehicle powertrain includes an internal combustion engine and two electric machines, one electric machine being connected directly to an engine power output shaft and to a...
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7503870 |
Control apparatus for vehicular drive system
A control apparatus for a vehicular drive system including a continuously-variable transmission portion, and a step-variable transmission portion, the continuously variable transmission portion...
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7500931 |
All-wheel drive vehicle
A vehicle with a drive engine, with at least two vehicle axles and a transmission unit for variable distribution of drive torque from the drive engine in the vehicle's longitudinal direction...
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7497803 |
Method and apparatus to control an electro-hydraulic transmission during shifting event
A method and control system is presented to selectively actuate a plurality of clutches of a two-mode, compound-split, electro-mechanical transmission. The method comprises executing a shift...
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7497798 |
Hybrid power train structure using toroidal variator
A hybird power train structure having a toroidal variator. The hybird power train structure is constructed such that drive force generated by an engine and drive force generated by a motor are...
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7496435 |
Drive control system for electric vehicle and method of drive control of electric vehicle
A drive control system for an electric vehicle and a method of drive control of the electric vehicle. The drive control system for the electric vehicle includes a drive motor target torque...
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7470209 |
Hybrid powertrain having an electrically variable transmission and engine valve control
A hybrid powertrain includes an electrically variable transmission and an internal combustion engine. The transmission is operable to provide a continuously variable mode of operation. The engine...
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7469613 |
Twin-clutch transmission
A twin-clutch transmission, in particular for a motor vehicle, with a twin-clutch arrangement comprising a first and a second clutch, and a first and a second drive unit designed as an electric...
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7465250 |
On-board hybrid transmission auxiliary-pump priming control system
A method and article of manufacture is provided to control an automatic transmission which includes a hydraulic fluid circuit having an electrically-driven auxiliary hydraulic pressure pump. It...
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7448981 |
Power output apparatus, vehicle equipped with power output apparatus, and control method of power output apparatus
The drive control of the invention sets a rotation speed Ni for in-cylinder injection according to an operation curve used in operation of an engine with fuel injection from only in-cylinder fuel...
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7438664 |
Control apparatus for vehicle and hybrid vehicle
In a hybrid vehicle incorporating an internal combustion engine having an in-cylinder injector and a motor, when the temperature of the in-cylinder injector rises, if a current engine operation...
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7407462 |
Shift controller for a continuously variable transmission
A shift control apparatus for a continuously variable transmission includes a continuously variable transmission for transmitting power of an engine to a driving wheel; a shift actuator for...
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7407026 |
Control system for a hybrid electric vehicle to anticipate the need for a mode change
A parallel hybrid electric vehicle method and system including an internal combustion engine (ICE), an electric traction motor/generator, and a controller. A control strategy is provided to prevent...
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7404783 |
Dynamo-electric drive unit controlled compound power system
A dynamo-electric drive unit controlled compound system includes one dynamo-electric unit, a primary and a secondary dynamo-electric unit, or more than two dynamo-electric units incorporated with...
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7395837 |
Multiplexed pressure switch system for an electrically variable hybrid transmission
A powertrain has an electrically variable hybrid transmission having an electro-hydraulic control system, plurality of electrical power units, and a plurality of torque transmitting mechanisms...
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7384371 |
Drive unit for a motor vehicle having a hybrid drive
A drive unit for a motor vehicle having a hybrid drive, includes an internal-combustion engine, an electrical rotating machine with a pertaining energy accumulator, a transmission unit, and a...
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7381146 |
Hybrid vehicle and method of controlling the vehicle
A controller ( 10 ) of a hybrid vehicle determines an engine torque at a point on an engine torque high efficiency line at the current engine rotation speed as a target engine torque, and...
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7377877 |
Gear shift control apparatus for a hybrid vehicle
A gear shift control apparatus for a hybrid vehicle can achieve enhancement of the transmission efficiency and enhancement of the fuel cost without damaging the drivability to the utmost. The gear...
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7373933 |
Control apparatus and control method of vehicular driving apparatus
A control apparatus/method curbs the degradation of emission gas, for a vehicular driving apparatus including an engine and a second driving power source that assists the engine in the output of...
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7360616 |
Method for controlling and regulating a power train of a hybrid vehicle and power train of a hybrid vehicle
A method for controlling and regulating a power train of a hybrid vehicle and a power train of a hybrid vehicle having one internal combustion engine, one electric machine, one shifting element and...
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7340339 |
Power management system
An exemplary power management system may include a power source configured to receive a fuel supply and a transmission driveably engaged with the power source. A control system communicates with...
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7335131 |
Vehicle and method for controlling an engine in a vehicle
A method for controlling an engine in a vehicle including a transmission is provided. The method utilizes feedforward control by determining when a neutral transmission gear is selected, and...
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7316630 |
Control method and apparatus for a continuously variable transmission
A control apparatus for a continuously variable transmission ensures good acceleration performance during staffing operations, and following an engine stall occurring before a gear ratio of the...
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7314424 |
Powertrain for a hybrid vehicle with all-wheel drive capability and method for controlling wheel slip
A hybrid-electric powertrain and control method for a vehicle having forward traction wheels and rearward traction wheels in an all-wheel drive configuration. An engine and an electric motor...
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7313470 |
Vehicle torque monitoring system
A distributed torque monitoring and control system for a hybrid vehicle. The hybrid vehicle has a power transfer unit adapted to drive a vehicle wheel and a power source adapted to drive the power...
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7305873 |
Method for dynamically determining peak output torque in an electrically variable transmission
A method for determining output torque limits of a powertrain including an electrically variable transmission relies upon a model of the electrically variable transmission. Transmission operating...
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7305294 |
Vehicle stopping system and method
A method of controlling a vehicle includes reducing a speed of the vehicle in response to a vehicle shutdown signal, monitoring at least one of a speed of the vehicle and a torque of an engine of...
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7286915 |
Apparatus and method for controlling command torques in hybrid electric vehicle
An apparatus and method for controlling command torques in a hybrid electric vehicle, in which information on the command torques maintains an appropriate range by dividing the function of a hybrid...
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7282008 |
Mode switch control system for hybrid transmission
A mode switch control system for a hybrid transmission for a powertrain, the powertrain including an engine, a first motor/generator, and a second motor/generator, which controls a mode switch from...
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