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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...
7617035 Method for operating a drive train by treating the motor characteristic by means of parallel evaluation and PT1-filtering  
At least one input signal is detected in a time slot, representing the temporal progression of at least one rotational value of the motor of a drive train section and/or the respective...
7610976 Hybrid powertrain with electrically variable transmission having parallel friction launch and method  
A hybrid powertrain includes a control unit that regulates electric power interchange an energy storage device and a motor/generator for causing selective torque generation by the motor/generator...
7608011 Hydrogen fuelled hybrid powertrain and vehicle  
A hydrogen-powered hybrid powertrain system includes a hydrogen-fuelled internal combustion engine operating at a lean air/fuel mixture, and a supercharger for boosting a primary drive torque...
7603220 Method and system for detecting damage done to a clutch having at least two components that transfer torque by frictional engagement  
A method for detecting damage done to a clutch having at least two components that transfer torque by frictional engagement comprises the following steps: determining the friction power L...
7602594 Motor control apparatus and motor control method  
To provide a motor control apparatus, including a rotational number detecting means for detecting the rotational number of a motor; a current detecting means for detecting a motor current; a...
7601093 Vehicular drive control apparatus and method for controlling a vehicular drive apparatus  
When shifts are performed at the same time in first and second transmitting portions and the gear ratios of those transmitting portions change in opposite directions, a simultaneous shift control...
7597648 Input brake providing electric only fixed gear  
A vehicle powertrain for a hybrid vehicle includes an electronically variable transmission (EVT) with an input member to receive mechanical rotary power from the engine, an output member to provide...
7591759 Propulsion control system for a motor vehicle  
The system controls the propulsion of a motor vehicle with a propulsion system ( 1 ) which includes an internal combustion engine (E) with a shaft (S) for coupling to a transmission ( 2 ). The...
7578765 Drive apparatus for vehicle and method of controlling drive apparatus for vehicle  
When a vehicle condition is in a region where limitation of the differential action of a differential portion should be stopped, for example in a CVT control region or a motor-driven region, a...
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...
7534191 Power output apparatus, vehicle including power output apparatus, and control unit and method for power output apparatus  
A power output apparatus that suppresses wearing-out of the components of a transmission connected to a drive shaft and a rotating shaft of an electric motor as well as reducing the a shock...
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...
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...
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...
7490685 Hybrid vehicle  
A hybrid vehicle is provided that can be made to travel by means of motor generators (MG 1 , MG 2 ) while an engine (E) is stopped, the engine (E), which can reduce pumping loss by running with a...
7465251 Hybrid electric vehicle  
A hybrid electric drive system for a motor vehicle includes a heat engine, a first motor, a second motor, and a planetary gear unit. The planetary gear unit includes at least a sun gear (an input...
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...
7416511 Gear shift control system of hybrid vehicle  
In a hybrid-drive electric vehicle, upon request of gear shifting of a transmission ( 2 ), a clutch ( 3 ) is first disconnected and the transmission ( 2 ) is set to a neutral position. The rotating...
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...
7367917 Shift change control system and automatic transmission system of automobile  
An automotive shift change control system and automatic transmission system is provided to give passengers a comfortable feeling of shift changing or of driving. A transmission connects a...
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...
7351182 Drive apparatus for hybrid vehicle and control method thereof  
A drive apparatus includes a motor, a first clutch that transmits and cuts off driving force between the motor and an engine, a second clutch that transmits and cuts off driving force to a wheel...
7347802 Clutch control apparatus for hybrid vehicle  
A clutch control apparatus for a hybrid vehicle ( 1 ) having an engine ( 2 ) and a motor ( 3 ) as power sources, and an output shaft ( 13 a ). The clutch control apparatus includes a clutch device...
7344472 Power system  
A power system includes a prime mover, a transmission, and a fluid coupler having a selectively engageable lockup clutch. The fluid coupler may be drivingly connected between the prime mover and...
7329204 Regenerative control apparatus for vehicles equipped with a lock-up clutch  
For regenerative generation at deceleration of a vehicle, a regenerative control apparatus for vehicles equipped with a lock-up clutch comprises a control unit for controlling rotary electric...
7322903 Control method for cooling a launch clutch and an electric motor in a hybrid electric vehicle powertrain  
A method is for controlling a rate of flow of cooling oil to a friction launch clutch and electric motor in a hybrid electric vehicle powertrain. The rate of flow is determined by changes in clutch...
7322902 Control device for vehicular transmission mechanism  
A control device for a vehicular drive system including a differential mechanism operable to distribute an output of an engine to a first electric motor and a power transmitting member, and a...
7314425 Control system for hybrid vehicles  
A control system for a hybrid vehicle, in which an engine is connected to a first motor generator and to an output shaft through a power distributing mechanism ( 12 ), in which a second motor...
7303504 Power switchover apparatus for a hybrid vehicle  
To provide a power switchover apparatus for a hybrid vehicle, which can perform power switchover smoothly. Target follow-up control is started, and when the engine speed reaches a clutch-in speed...
7282011 Control apparatus for controlling stepped automatic transmission of vehicle  
A control apparatus for controlling a stepped automatic transmission of a vehicle having an output shaft and an input shaft which is to be connected to an engine of the vehicle through a clutch...
7276008 Drive system  
A drive system includes an output shaft of an engine connected to a sun gear of a planetary gear assembly. An electric motor is connected, via gears, to a carrier rotatably supporting a planetary...
7272987 Hybrid powertrain system  
A powertrain system is provided that includes a first prime mover and change-gear transmission having a first input shaft and a second input shaft. A twin clutch is disposed between the first prime...
7255186 Hybrid drive system and vehicle equipped therewith  
An output of an internal combustion engine is transmitted to an output shaft by controlling a control motor to change a rotation speed output from the engine without speed steps via power...
7252620 Control of vehicle drive system  
An air compressor ( 12 b ) starts to operate when fuel to an internal combustion engine ( 1 ) is cut off and the engine ( 1 ) and a transmission ( 4 ) are directly engaged. Upon receiving a drive...
7232402 Motor driven auxiliary pump for electrically-variable transmission torsional damper  
The present invention relates to a torsional damper for an electrically-variable transmission. The torsional damper is equipped with a hydraulically actuable lock-out clutch to directly couple the...
7226385 Control apparatus for controlling driving device of vehicle  
A control apparatus for controlling a driving device of a vehicle, the driving device including a transmission system including (A) a non-step speed change portion which includes (a1) a...
7226384 Torsional damper for electrically-variable transmission with lock-out clutch assembly  
The present invention relates to a torsional damper for an electrically-variable transmission. The torsional damper is equipped with a lock-out clutch to directly couple the engine to the input...
7226383 Control device for hybrid vehicle  
A hybrid vehicle is driven by one or both of an engine and a drive motor. The engine is started by a power generating motor, and power generated by the engine is supplied to a battery. An...
7226379 Active shift transmission, transmission control unit and automobile  
The object of the invention is to provide a less expensive active transmission control system for an automobile, capable of disconnecting an engine, without increasing the number of dog clutches. ...
7223202 Hydraulic circuit for torsional damper assembly of an electrically variable transmission  
The present invention relates to a torsional damper for an electrically variable transmission. The torsional damper is equipped with a hydraulically actuable lock-out clutch to selectively directly...
7223201 Control of power-on downshifts in a multiple-ratio powertrain for a hybrid vehicle  
A method for controlling engagement and release of friction clutches in a multiple-ratio transmission for a hybrid electric vehicle powertrain uses electric motor torque to augment engine torque as...
7217221 Method for active engine stop of a hybrid electric vehicle  
A method for providing an active engine stop of the engine of a hybrid electric vehicle. The method utilizes the electric machine to oppose and rapidly stop the rotation of the engine at a...
7207919 Method and apparatus for engaging engine clutch for hybrid transmission  
In method and apparatus for engaging an engine clutch for a hybrid transmission, a complete engagement of the engine clutch while at least one of an engine side clutch revolution speed of the...
7191859 Driving apparatus for an electric vehicle  
A driving apparatus comprises an electric generator driven by an engine and a motor for driving driving-wheels by using electric power from the electric generator, wherein an engine-side input axle...
7179195 Driving force control apparatus and method for hybrid vehicle  
A driving force control apparatus for a hybrid vehicle includes a section for determining a target driving torque based on an accelerator opening degree and a vehicle speed a section for...
7174977 Vehicle with electric motor mounted thereon  
A fuel cell system incorporated in a vehicle has a main electric motor, a drive power transmitting mechanism for engaging and disengaging a fuel gas pump, a coolant fluid pump, a supercharger, and...
7166059 Method for upshifting of a parallel shaft gear  
In a method for upshifting a parallel shift transmission having two input shafts, each of which is coupleable via a clutch to the drive shaft of a driving engine, an output shaft, which may be...
7160225 Method, device and use thereof for operating a motor vehicle  
A method, a device, and use thereof for operating a motor vehicle having a drive motor and a transmission in the drive train are proposed.
7156771 Clutch unit  
In a clutch unit, an engagement of a dog clutch can be restricted until a revolution of an input shaft and the revolution of an output shaft correspond to each other so as to be suitable for the...
Matches 1 - 50 out of 208 1 2 3 4 5 >