Matches 1 - 50 out of 60 1 2 >


Match Document Document Title
US20090280954 DUAL CLUTCH TORQUE CONVERTER CONTROL SYSTEM  
A system for controlling a dual clutch torque converter that allows for independent control of the dual clutches includes a first valve assembly, a second valve assembly, a first solenoid, and a...
US20080149409 ENGINE OUTPUT ADJUSTMENT SYSTEM AND VEHICLE INCLUDING THE SAME  
A motorcycle includes an engine, a CPU, a clutch lever, and a shift switch. When a driver performs a shift operation, the CPU adjusts an output of the engine. When the CPU adjusts the output of...
US20090305845 AUTOMATIC DISENGAGING/ENGAGING METHOD OF A CLUTCH DEPENDENT POWER TAKE-OFF  
An automatic disengaging method for a master clutch dependent power take-off (PTO) arranged in a vehicle for preventing undesired movement or actions of the implements associated with the PTO and...
US20090076696 SYSTEM AND METHOD FOR MANAGING A POWERTRAIN IN A VEHICLE  
A vehicle include a first disconnect disposed between a prime mover of the vehicle and a certain one of the vehicle drive wheels. The first disconnect is operable to connect and disconnect the...
US20140135170 DIRECT POWER REVERSING DRIVE AXLE  
A drive axle assembly includes a drive axle configured to rotate with a driving torque, a first clutch pack assembly located at an end of the drive axle, and a second clutch pack assembly located...
US20140287872 Clutch Torque Trajectory Correction to Provide Torque Hole Filling during a Ratio Upshift  
A control system and method for controlling a multiple gear ratio automatic transmission in a powertrain for an automatic transmission having pressure activated friction torque elements to effect...
US20080234100 Control Valve Arrangement for Controlling a Starting Clutch of an Automatic Transmission  
A control valve arrangement having a clutch regulation valve (3), which pressurizes a device to actuate the clutch, and a valve that produces a controlled pilot pressure (P_VST3). An electronic...
US20140274557 PRESSURE TESTING OF WELL SERVICING SYSTEMS  
An apparatus and methods for testing and pumping through a well servicing system are provided. The apparatus includes a drive mechanism and an actuation system. The actuation system is coupled to...
US20140243150 Gearing Control Method for Automatic Gear Mechanism  
Disclosed herein is a method for controlling gear shifting of an automatic transmission from an N gear stage to an N′ gear stage. The gear shifting is embodied by means of engaging and releasing...
US20130225361 METHOD AND APPARATUS FOR EXECUTING A SHIFT IN A HYBRID TRANSMISSION  
A method for executing a transmission shift in a hybrid transmission including first and second electric machines includes executing a shift-through-neutral sequence from an initial transmission...
US20080171632 ELECTRIC INPUT CLUTCH FOR A VEHICLE AND METHOD FOR USING THE SAME  
A transmission control system for a vehicle. The control system has a control unit that receives a plurality of inputs from the vehicle and the vehicle operator. Then based upon these inputs the...
US20080125285 Straddle-Type Vehicle  
An automatic change gear control device for a motorcycle having a manually operated clutch operation member achieves both easy clutch operation and secure freedom of drive. A clutch is connected...
US20140274556 AUTOMATIC TRANSMISSION SHIFT CONTROL BASED ON TORQUE PHASE DETECTION USING MEASURED TRANSMISSION INPUT TORQUE  
A system and method for controlling a vehicle powertrain having a transmission to improve shift quality to detect the start of a torque phase of the shift based on a measured transmission input...
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...
US20120283066 SHIFT-BY-WIRE GEARSHIFT CONTROL APPARATUS  
In a shift-by-wire gearshift control apparatus, even if a switching anomaly in which switching between forward and reverse gears is not possible has occurred, transmission of driving power to the...
US20080234099 Control Valve Assembly for Controlling a Starting Clutch of an Automatic Transmission  
The invention involves a control valve arrangement to activate at least one start-up clutch of a motor vehicle automatic transmission with at least one clutch control valve (3, 3′, 3″) across...
US20120329604 SYSTEM AND METHOD FOR IMPROVED CLOSED THROTTLE DOWNSHIFTS  
A control system for a transmission coupled to an engine includes first, second, and third modules. The first module detects a closed throttle downshift of the transmission. The second module...
US20110300991 Control of Torque Direction Transition in a Powershift Transmission  
A method for controlling a torque direction transition in a dual clutch transmission includes decreasing a torque capacity of a transmission input clutch when clutch slip reaches a target slip...
US20100087995 TRANSMISSION CONTROL SYSTEM AND VEHICLE  
A transmission control system includes an up-shifting operation device, a clutch actuator, a shift actuator and a CPU. The CPU controls the clutch actuator to start a disconnection operation of a...
US20140274555 AUTOMATIC TRANSMISSION SHIFT CONTROL BASED ON TRANSMISSION INPUT SHAFT TORQUE SIGNAL  
A system and method for minimizing torque disturbances during a shift event for an automatic transmission control actual transmission input shaft torque using a transmission input shaft signal...
US20140088842 SYSTEM AND METHOD FOR CONTROLLING AN AUTOMATIC STOP-START  
A system and method are provided for controlling an automatic engine stop-start in conjunction with a transmission having one or more latching valves. The system and method is configured to...
US20120252629 METHOD FOR MONITORING THE OPERATION OF A DRIVE TRAIN  
A method for monitoring the operation of a drive train of a motor vehicle, the drive train including a drive machine, a clutch and an automated transmission, and the drive train having an...
US20100331141 DEVICE FOR REDUCING THE DROP IN TRACTIVE FORCE  
A device for reducing the drop in tractive force during the gear shifting phase of an automatic transmission (1) comprising an automatically actuated drive clutch is proposed that comprises a...
US20120264567 METHODS AND SYSTEMS FOR ASSISTED DIRECT START CONTROL  
Methods and systems are provided for pressurizing a transmission hydraulic circuit including a transmission mechanical pump coupled to an engine though a gearbox. One example method comprises,...
US20080132378 Method and apparatus for starting an engine in a hybrid vehicle  
A method and apparatus for starting an engine in a hybrid vehicle being driven by an electric motor is disclosed. The motor is operably configured to deliver mechanical power through an automatic...
US20120178586 METHOD FOR OPERATING A DRIVE TRAIN  
A method of operating a drive-train which comprises an automated shift transmission having an unsynchronized main transmission and a synchronized downstream group that is drivingly coupled...
US20150080177 TRANSMISSION DEVICE  
A compact transmission device that alleviates shift shock and avoids engine stall at the time of deceleration. A discharge resistance changing unit changes discharge resistance of a clutch oil...
US20140171263 METHOD FOR SHIFT CONTROL OF AN AUTOMATED GROUP GEAR  
A method of controlling a shift of an automated group gearbox having a multi-step main transmission and a trailing two-step range group. An input shaft of the main transmission is driven by a...
US20150111696 CONTROL SYSTEM FOR FOUR-WHEEL-DRIVE VEHICLE  
In a control system, a transfer is connected to a rotation member between a driving power source and primary driving wheels and distributes dynamic power of the driving power source to secondary...
US20100234177 METHOD FOR OPERATING AN AUTOMATIC OR SEMI-AUTOMATIC TRANSMISSION OF A HEAVY VEHICLE WHEN IN IDLE-DRIVING MODE  
A method for operating a semi-automatic or automatic mechanical transmission of a heavy truck when driving at idle speed is provided. The method includes supplying fuel to the engine of the heavy...
US20150166036 CLUTCH FAILURE DIAGNOSTIC METHOD FOR DCT  
A clutch failure diagnostic method for a dual clutch transmission (DCT), may include a synchronous clutch confirming step of confirming whether a clutch rotating in synchronization with an engine...
US20140302966 METHOD FOR OPTIMISED LAUNCH OF A VEHICLE  
A method for optimised launch of a vehicle is provided wherein a driveline of the vehicle at least includes an engine, an automatic transmission, a system for exhaust gas recirculation, which are...
US20150167619 START CLUTCH DEVICE  
A start clutch device transmits rotational power of an engine to a side of a transmission via a damper through a clutch inside a housing. The start clutch device includes a transmission input...
US20140329642 METHOD FOR CALIBRATING A DETECTOR IN A DAMPING ASSEMBLY  
A method for calibrating a detector of a damping assembly in a vehicle is disclosed. The damping assembly comprises a damper for connecting a transmission shaft of a transmission system of the...
US20130109532 CONTROLLED VEHICLE LAUNCH USING A STEPPED RATIO TRANSMISSION  
A method for controlling a vehicle powertrain during launch includes controlling slip across a first clutch that transmits engine torque through the first clutch and the current gear while a...
US20140011635 METHOD FOR STARTING AN ENGINE  
A method for improving starting of an engine that may be repeatedly stopped and started is presented. In one embodiment, the method adjusts a transmission actuator in response to engine combustion...
US20120010045 METHOD FOR STARTING AN ENGINE  
A method for improving starting of an engine that may be repeatedly stopped and started is presented. In one embodiment, the method adjusts a transmission actuator in response to engine combustion...
US20130310218 TORQUE TRANSMISSION DEVICE  
It is an object of the present invention to provide a compact torque transmission device. The torque transmission device includes an input-side member, an output-side member, a clutch and a...
US20140080666 CLUTCH ARRANGEMENT AND DRIVETRAIN FOR A MOTOR VEHICLE  
A clutch arrangement for a drivetrain of a motor vehicle. The clutch arrangement has a first clutch, a second clutch, and a hydraulic actuator arrangement. The actuator arrangement has a first...
US20130267380 POWER TRANSMITTING APPARATUS FOR VEHICLE  
A planetary gear device is provided between a driving wheel and an energy accumulating device. A sun gear of the planetary gear device is connected to an input shaft of the energy accumulating...
US20130225366 METHOD FOR OPERATING A MOTOR VEHICLE AND A CONTROL DEVICE FOR SAID VEHICLE  
A method of operating a motor vehicle having a drive aggregate, a transmission and a hydraulic system. The transmission has shift elements and, for each gear, only a portion of the elements are...
US20120035018 CLUTCH CONTROL METHOD  
A clutch control may include a starting clutch that is disposed at a rear portion of an engine, an automatic transmission that is disposed at a rear portion of the starting clutch and uses a...
US20120115680 TRANSMISSION DEVICE AND CONTROLLING METHOD THEREOF  
A transmission configured with a speed change control unit which, when upshifting the speed in an accelerator on condition, executes an engagement control including a torque phase control after...
US20130244831 CONTROL DEVICE OF VEHICLE POWER TRANSMISSION DEVICE  
It is provided a control device of a vehicle power transmission device including a transmission capable of fixing a rotating member with either of engagement of a one-way clutch or engagement of...
US20150038294 METHOD FOR CONTROLLING A TRANSMISSION COUPLED TO AN ENGINE THAT MAY BE AUTOMATICALLY STOPPED  
Methods and systems for controlling a transmission coupled to an engine during an engine start are presented. In one example, a method adjusts a transmission tie-up force in response to an...
US20100113217 SYNCHRONOUS STATE DETERMINATION METHOD FOR AUTOMATIC DUAL CLUTCH TRANSMISSION  
A method for determination of the synchronization point of an automatic double clutch transmission comprising two component transmissions each with one input shaft that connects via a friction...
US20130035205 METHOD FOR OPERATING A VEHICLE DRIVE TRAIN HAVING A DRIVING MACHINE AND HAVING A TRANSMISSION APPARATUS HAVING A PLURALITY OF SHIFT ELEMENTS  
A method of operating a vehicle drive train having a drive machine, a transmission apparatus having a plurality of shift elements and an output drive. The plurality of shift elements are engaged...
US20120220422 METHOD FOR CONTROLLING A ROLLING OR COASTING FUNCTION OF A VEHICLE  
A method of controlling a rolling or coasting function of a vehicle with a drive train having a drive motor, an automatic or automated transmission, a controllable shifting means, a brake device...
US20120010044 METHOD FOR CONTROLLING AN ENGINE THAT MAY BE AUTOMATICALLY STOPPED  
A method for improving starting of an engine that may be repeatedly stopped and started is presented. In one embodiment, the method adjusts a transmission tie-up force in response to engine...
US20170023131 METHOD AND DEVICE FOR CONTROLLING SHIFTING OF AUTOMATED MANUAL TRANSMISSION  
The present disclosure provides a method and device for controlling shifting of an automated manual transmission. The method includes: a shifting-attempting step of attempting to shift to a...

Matches 1 - 50 out of 60 1 2 >