Matches 1 - 50 out of 50


Match Document Document Title
US20090181822 PROPULSION SYSTEM FOR SKIDDER  
A skidder having a diesel engine coupled to a multiple gear ratio transmission driving a pair of wheel sets for a skidder. The diesel engine is controlled by an operator manipulated foot pedal or...
US20080207393 Clutch Controller, Straddle-Type Vehicle, and Method for Controlling Clutch  
Appropriate torque is transmitted via a clutch that does not spend too much time on its engaging operation. A clutch controller controls a degree of engagement of the clutch by actuating a clutch...
US20090270223 Dual stage input lever transmission downshift system  
A two stage clutch and shift actuation paddle assembly provides clutch disengagement through a first range of movement of a manually operated control lever or paddle and electronic shifting of a...
US20090233761 Overrun Prevention System for an Automatic Transmission  
A system and method for overrun prevention is disclosed. Overrun of a one-way clutch may be prevented by determining a current torque value. When a current torque value approaches a negative...
US20090069150 DUAL-CYLINDER GASOLINE ENGINE WITH A CENTRIFUGAL CLUTCH  
A dual-cylinder gasoline engine comprising a gasoline engine box, a cylinder I, a cylinder II, a centrifugal clutch and a gear box, wherein the cylinder I and the cylinder II are mounted with the...
US20090105042 Driving Unit for Vehicle  
A driving unit for a vehicle includes a transmission, a motor generator and a centrifugal release mechanism. The transmission is employed for transmitting a driving torque outputted from an engine...
US20140274554 PROCEDURE FOR OPERATING DECELERATING DOWNSHIFTS WITH THE PARTICIPATION OF A FORM-LOCKING SHIFT ELEMENT OF AN AUTOMATIC TRANSMISSION COMPRISING A TORQUE CONVERTER LOCKUP CLUTCH  
A method of carrying out coasting downshifts that involve an interlocking shifting element in an automatic transmission having a torque converter lockup clutch. At the beginning of the coasting...
US20080200302 Method of Transmitting the Power of a Hybrid Vehicle Between a Heat Engine Shaft and a Wheel Axle Shaft of the Vehicle  
The invention relates to a method of transmitting power between a shaft (10) of a heat engine (2) and a wheel (6) axle shaft (12) of a hybrid vehicle. The inventive method involves the use of: a...
US20130172147 METHOD FOR OPERATING A MULTI-CLUTCH TRANSMISSION  
A method and device for operating a dual clutch transmission connectable to an internal combustion engine provided in a vehicle includes providing a control unit for managing at least the internal...
US20140187380 TORQUE ASSIST SYSTEM AND AUTOMATED MANUAL TRANSMISSION UTILIZING THE SAME  
The torque assist system of the present invention includes a torque assist shaft having a first terminating part connected to the input shaft, an outer shaft and an inner shaft rotating...
US20100099536 DRIVE UNIT FOR A MOTOR VEHICLE  
A drive unit for a motor vehicle, comprising an engine, a transmission or gearbox, a clutch aggregate for transmitting torque, the clutch aggregate including at least two friction clutches that...
US20090048747 Hybrid Vehicle With Soft Shafts  
A fast automated gear shift operation is performed using a powertrain in a hybrid vehicle, the powertrain including a gear box, an engine, at least one controllable motor, a torque ripple damping...
US20150046049 METHOD OF OPERATING A TRANSMISSION  
A method of controlling a launch clutch during an engine restart event commands a positive torque capacity before the engine reaches idle speed. Early application of the launch clutch reduces the...
US20090325759 CONTROL DEVICE FOR POWER TRANSMISSION DEVICE FOR VEHICLES  
A power transmission device for a vehicle having a clutch 3 between an engine 1 and a transmission 4, preventing variation in the engine torque and shift shock when the engine control mode returns...
US20150080176 INDUSTRIAL VEHICLE  
An industrial vehicle includes an accelerator, an accelerator opening sensor which detects an opening of the accelerator, a loading unit, an engine and a torque restriction releasing unit. When...
US20110306464 Power-Off Downshift Engagement Dampening  
A method for controlling a power-off downshift in a powershift transmission includes disengaging the current gear, synchronizing engine speed and a speed of the target gear layshaft by increasing...
US20130260961 ACTIVE WHEEL HUB TRANSMISSION  
A wheel hub transmission for a vehicle driveline is provided. The wheel hub transmission includes an input shaft, a planetary gear arrangement, a casing member, and a clutching device. The input...
US20090075780 METHOD AND APPARATUS TO MONITOR A VALVE ADAPTED TO CONTROL MODE TO GEAR TRANSITIONS DURING OPERATION OF AN ELECTRO-MECHANICAL TRANSMISSION  
Monitoring operation of an electromechanical transmission having a hydraulic circuit with flow management valves and pressure control solenoids to actuate clutches and pressure monitoring devices...
US20140106931 CONTROLLER OF STEPPED AUTOMATIC TRANSMISSION  
Disclosed is a controller of a stepped automatic transmission. The stepped automatic transmission has a plurality of lock-up elements and performs downshift during coasting while an engine has a...
US20150024905 METHOD FOR NON-MICROSLIP BASED DUAL CLUTCH TRANSMISSION POWER ON UP SHIFT  
A method of controlling a dual clutch transmission power on up shift including an on-coming clutch and an off-going clutch. The method includes implementing a prep phase comprised of decreasing...
US20110287890 METHOD FOR OPERATION OF A TRANSMISSION  
A method of operating a transmission positioned between a drive aggregate and an axle drive, a transmission input shaft is connected, via a clutch, with the drive aggregate, and a transmission...
US20120220421 METHOD FOR CONTROLLING A ROLLING OR COASTING FUNCTION OF A VEHICLE  
A method is proposed for controlling a through-connection clutch of a vehicle, in which an interlocking portion of the clutch is opened when the drive-train is virtually free from torque, a...
US20150038293 DUAL CLUTCH POWERTRAIN ARCHITECTURE  
A powertrain architecture includes an engine and a transmission coupled through a launch device that is configured to be selectively mechanically coupled to the engine and to the transmission. A...
US20140057755 METHOD FOR STARTING AN ENGINE  
A method for improving starting of an engine that may be repeatedly stopped and started is presented. In one example, the method adjusts a desired engine speed to at least two levels during engine...
US20110015035 CONTROL METHOD FOR CARRYING OUT A GEAR UPSHIFTING IN AN AUTOMATIC MANUAL TRANSMISSION HAVING A DUAL-CLUTCH GEARBOX  
An embodiment of a control method for carrying out a gear shifting in an automatic manual transmission having a dual-clutch gearbox to pass from a current shorter gear to a successive longer gear;...
US20110136621 METHODS AND SYSTEMS FOR ASSISTED DIRECT START CONTROL  
Methods and systems are provided for reducing driveline unwinding during successive engine shutdown and restart operations. In one example, during an engine shutdown, torsion is maintained in a...
US20120316029 Controlling an Automatic Vehicle Restart on a Hill  
A method for controlling a vehicle on an uphill incline includes automatically shifting a transmission to first gear, automatically stopping the engine, using wheel torque to maintain a one-way...
US20130172148 METHOD FOR OPERATING A DRIVETRAIN  
A method for operating a drive train having a variable speed transmission connecting a drive unit with an output drive. The transmission has gears that can be selected by the driver and has a...
US20110307150 Damping Oscillations During a Gear Ratio Change of a Dual Clutch Powershift Transmission  
A method for controlling an upshift in a vehicle transmission includes transferring engine torque from an offgoing clutch to an oncoming clutch, using a torque capacity of the offgoing clutch to...
US20080109139 Vehicle, vehicle control device, and vehicle control method  
A vehicle includes a drive device applying a driving force to a wheel, a brake device applying a braking force to the vehicle, and a control device controlling the drive device and the brake...
US20140349814 DRIVE CONTROL DEVICE  
In a drive control device in a drive system including a four joint link mechanism type continuously variable transmission having a one-way clutch (OWC) which can transmit only power from a power...
US20130197769 METHOD FOR CONTROLLING SHIFTS IN A VEHICLE TRANSMISSION  
A method of controlling shifts in a vehicle transmission, for example a utility vehicle, having a transmission or partial transmission designed as a dual-clutch transmission that shifts as a...
US20150039182 METHOD FOR DECOUPLING A POWER TAKE-OFF OF A MOTOR VEHICLE TRANSMISSION WHILE DRIVING A MOTOR VEHICLE  
A method of decoupling a power take-off drive of a motor vehicle transmission during travel of a motor vehicle in which a form-locking shift element of the power take-off drive is controlled for...
US20140256507 TRANSMISSION CONTROL SYSTEM  
A transmission control system can include a main transmission. The transmission control system can also include a sub transmission that has two forward transmission gears mechanically shiftable in...
US20120135838 METHOD FOR OPERATING A TRANSMISSION DEVICE OF A VEHICLE DRIVETRAIN  
A method of operating a transmission of a vehicle drive-train that comprises frictional shifting elements and an interlocking shifting element. In the neutral operating condition of the...
US20100151991 METHOD FOR OPERATING AN AUTOMATIC TRANSMISSION  
A method of operating an automatic transmission of a motor vehicle. The automatic transmission, when the motor vehicle is driven with an actuated accelerator and an engaged starting clutch, and...
US20140296030 POWER UNIT FOR VEHICLE  
A transmission partly overlapping clutches as viewed from an axial direction of a crankshaft is disposed below an inclined cylinder axis of an engine main body. A speed change actuator is disposed...
US20140296029 POWER UNIT FOR MOTORCYCLE  
A power unit for a motorcycle includes an internal combustion engine with a transmission having an input shaft and an output shaft. A clutch with a hydraulic cylinder is provided for changing over...
US20140235405 VEHICLE DRIVE SYSTEM  
A vehicle drive system includes a transmission, a clutch, and a shift execution portion. The shift execution portion operates the shift actuator to control the connecting portion in an engaged...
US20120150397 DEVICE AND METHOD FOR PERFORMING A GEAR CHANGE OF A VEHICLE  
A method for executing a gear shift step in a motor vehicle (100; 110) having an engine (220) and an automated manual transmission incorporating a clutch (230) and a gearbox (240), the method...
US20100228453 VEHICLE CONTROL SYSTEM DESIGNED TO MINIMIZE ACCELERATION SHOCK  
A vehicle control system for an engine-powered vehicle equipped with an engine and an automatic transmission with a clutch. When a given engine stop requirement is met during running of the...
US20170101099 SHIFTING CONTROL METHOD FOR VEHICLE  
A shifting control method for a vehicle including: a shifting requirement determination step in which a controller determines whether power-on downshifting is required and whether a gear level...
US20170043775 CLUTCH BURST PREVENTION METHOD  
A clutch burst prevention method for preventing a non-drive input shaft clutch of a vehicle provided with a double clutch transmission (DCT) from damage may include a torque reduction operation of...
US20160052504 TRAVEL CONTROL DEVICE  
A travel control device includes: an engine; an automatic transmission including a plurality of engagement elements and a rotary element, the automatic transmission being configured to block power...
US20160046282 METHODS AND SYSTEMS FOR STARTING AN ENGINE  
Methods and systems are provided for improving engine restart operations occurring during a transmission shift in a hybrid vehicle. Engine speed is controller during cranking and run-up to...
US20140365094 METHOD FOR INCREASING VACUUM PRODUCTION FOR A VEHICLE  
Methods and systems for providing vacuum to a vehicle are described. In one example, a method adjusts an application force of a transmission clutch in response to a request for additional vacuum.
US20140228171 VEHICLE CONTROL DEVICE  
The present invention has an object to provide a vehicle control device which does not require a complicated operation to start an engine even if an idle-stop function has been executed. Thus, the...
US20120202647 SPEED CHANGE CONTROL DEVICE OF AUTOMATIC TRANSMISSION  
A speed change control device of an automatic transmission comprises a first control section that, upon detecting a speed change instruction for a speed change from a first given speed to a second...
US20120065022 POWER TRANSMITTING APPARATUSES  
A power transmitting apparatus for a vehicle mounted with a torque converter and an idle-stop mechanism can be configured to improve fuel economy without cancelling a fuel-cut-ff during vehicle...
US20110287891 VEHICLE OVERSPEED SYSTEM IMPLEMENTING IMPELLER CLUTCH LOCKOUT  
An overspeed system for a vehicle is disclosed. The overspeed system may have a power source, a transmission unit, and a torque converter assembly operatively coupling the power source to the...

Matches 1 - 50 out of 50