Matches 1 - 36 out of 36


Match Document Document Title
US20090149298 Aggressive Torque Converter Clutch Slip Control Design through Driveline Torsional Velocity Measurements  
A system and method for setting the slip of a torque converter for a plurality of selected engine speeds and transmission gears. The method includes populating a table off-line, typically using a...
US20090181824 METHOD FOR OPERATING A TORQUE-CONVERTER LOCKUP CLUTCH FOR A HYDRODYNAMIC TORQUE CONVERTER AND CONTROL DEVICE FOR IMPLEMENTING THE METHOD  
A method for operating a torque-converter lockup clutch (20) for a hydrodynamic converter (1), where the slip (s) of the torque converter (1) is adjusted using a setpoint value (sw), while the...
US20050164830 Hydraulic gear shift arrangement of an automatic transmission for motor vehicles  
A hydraulic gear shift arrangement of an automatic transmission for motor vehicles with a hydraulic pump, which transports a hydraulic fluid having a main or system pressure PSYS in a main...
US20070287594 Torque Converter Clutch Control  
A system for controlling a torque converter clutch in a vehicle powertrain includes a controller having an input for receiving powertrain operating parameter information. The controller is...
US20090055060 Clutch Controller, Method of Controlling Clutch, and Straddle-Type Vehicle  
A clutch controller that transmits appropriate torque during engaging operation of a clutch. An actual torque obtaining section obtains torque transmitted from a drive-side member of the clutch to...
US20140221157 MOTOR VEHICLE DRIVE TRAIN ARRANGEMENT  
In a motor vehicle drive train arrangement with at least one main drive train for driving a main drive axle, and at least one auxiliary drive train which is driven via the main drive train and...
US20090112427 METHOD AND APPARATUS FOR REMEDIATION OF AND RECOVERY FROM A CLUTCH SLIP EVENT IN A HYBRID POWERTRAIN SYSTEM  
A method for operating a powertrain, including an electro-mechanical transmission mechanically-operatively coupled to an internal combustion engine and an electric machine, includes monitoring...
US20140018209 CONTROL APPARATUS FOR VEHICULAR POWER TRANSMITTING APPARATUS  
A map is provided that has an unlimited region where a take-off slip-engagement the next time is repeatedly executed indefinitely, a limited region where the take-off slip-engagement the next time...
US20090164078 LOCK-UP CLUTCH CONTROL DEVICE FOR AUTOMATIC TRANSMISSION AND CONTROL METHOD THEREOF  
This invention is a lock-up clutch control device for an automatic transmission, comprising lock-up clutch control means for controlling a slip amount of the lock-up clutch to a target slip...
US20090227422 TORQUE CONVERTER CLUTCH APPLY ADAPT AND QUALITY APPLY DETECTION CONVERTER SLIP ACCELERATION  
A torque converter clutch slip rate monitoring system includes a slip rate calculation module that receives a raw slip speed of a torque converter clutch and that calculates torque converter...
US20080300108 TORQUE TRANSFER DEVICE AND SYSTEM  
A device for a motor vehicle is provided. The device may comprise an input shaft for supplying torque, a clutch configured for selectively transferring the torque, a first gear configured for...
US20080287253 Variable Displacement Engine Powertrain Fuel Economy Mode  
A vehicle drive system comprising of a variable displacement engine including a plurality of cylinders, where at least one of the plurality of cylinders selectively deactivates to decrease engine...
US20080255735 Traction control method in machine using lockable differential  
A method of operating a machine having a lockable differential includes monitoring a first operating parameter indicative of wheel slip, and monitoring a second operating parameter different from...
US20060142119 Drive mechanism  
The invention relates to a drive mechanism for all-wheel drive vehicles, comprising a variable-speed transmission and an interaxle differential for distributing drive torque onto a first and a...
US20080182721 Control Device for Automatic Transmission  
A control device for an automatic transmission having a torque converter with a lock-up clutch provided between an engine and the automatic transmission, and a lock-up control device for...
US20090131223 Method and device for detecting a clutch-bite point  
Disclosed is a method for detecting a clutch bite-point of a clutch that is connected to a driving motor. A rotational speed of the driving motor and the wheel rotational speed values of the...
US20090192018 Method and Control Unit for Controlling a Drivetrain Which has a Dual-clutch Transmission  
A method for controlling the drivetrain of a motor vehicle which has a dual-clutch transmission with a first partial transmission and a first clutch and with a second partial transmission and a...
US20070275823 CLUTCH ENGAGEMENT CONTROL APPARATUS FOR HYBRID VEHICLE  
A clutch control apparatus is provided for a hybrid vehicle having at least two different power sources and a clutch disposed between the power sources and the drive wheels arranged to vary a...
US20090233766 Clutch torque control system of hybrid electric vehicle  
The present invention provides a clutch torque control system of a hybrid electric vehicle, which performs an engine rotational speed control in a power generation system including an engine, a...
US20120108391 AUTOMATIC TRANSMISSION  
An automatic transmission has a transmission control section performing a control so that a transmission ratio defined as input rpm/output rpm of the automatic transmission becomes a target...
US20100030438 METHOD AND A SYSTEM FOR CONTROLLING A VEHICLE  
A method is provided for controlling a vehicle, including receiving an operator input indicative of a desired power for at least one predetermined function, and variably controlling at least one...
US20080288146 SYSTEMS AND METHODS FOR DETECTING AND REDUCING HIGH DRIVELINE TORSIONAL LEVELS IN AUTOMOBILE TRANSMISSIONS  
The present disclosure provides systems and methods to detect and reduce any high driveline torsional levels, such as due to the cylinder deactivation in variable displacement system engines or...
US20110172056 Transmission Torque Converter Clutch Control  
A method for controlling a vehicle torque converter lockup clutch during a deceleration coasting event includes producing slip across the clutch by reducing the clutch's torque capacity,...
US20120252632 METHOD FOR CONTROLLING AN AUTOMATED FRICTION CLUTCH  
A method for controlling an automated friction clutch arranged in a drive train between an internal combustion engine and a gearbox, including: operating the friction clutch by a clutch actuator...
US20120149530 CONTROLLING METHOD OF POWER DELIVERY SYSTEM OF VEHICLE  
control method of a power delivery system of a vehicle, may include determining a theoretical target slip velocity of a torque converter for slipping a damper clutch, detecting a real slip...
US20100144489 DEVICE AND METHOD FOR TRANSMITTING ENGINE POWER  
An engine power transmission device for improving the acceleration performance of an engine connected to a torque converter of construction machinery in accelerating from standstill, wherein a...
US20110288735 Producing Vehicle Creep Through a Transmission Without a Torque Converter  
A method for controlling creep in a vehicle having no transmission torque converter, includes operating an input clutch of the transmission at a desired clutch torque capacity, using a...
US20100261577 Gear Shift Control of a Dual Clutch Transmission  
A method for controlling a gear shift of a dual clutch transmission having an offgoing clutch and an oncoming clutch, includes using torque transmitted by the oncoming clutch to control torque at...
US20100197459 SPEED CHANGE CONTROLLER OF WORKING VEHICLE  
Provided is a device for performing speed change not leading to engine stall in a working vehicle such as a wheel loader while sustaining a required tractive force and reducing fuel consumption....
US20170174208 Method and Control Unit to Control a Drivetrain  
A method for operating a drive train of a motor vehicle includes closing a frictional-locking shift element that serves as a starting element of a transmission in a slipping manner such that slip...
US20170108063 METHOD FOR CONTROLLING CLUTCH OF VEHICLE  
A method for controlling a clutch includes judging whether or not a slip amount of the clutch is reduced to below a first reference value by a controller after starting of the vehicle is launched,...
US20160167655 CLUTCH CONTROL SYSTEM FOR VEHICLE  
A clutch control system for vehicle is applied to a vehicle having a clutch and a transmission disposed in a power transmission path from an engine to a vehicle wheel. The system includes a first...
US20160123465 SHIFTING CONTROL METHOD FOR VEHICLE WITH DCT  
A shifting control method for a vehicle with a Double Clutch Transmission (DCT), may include determining whether a manual range power-on up shift has been started, determining whether an actual...
US20160123411 METHOD OF ADJUSTING CLUTCH CHARACTERISTICS OF DCT VEHICLE  
A method of adjusting clutch characteristics of a Double Clutch Transmission (DCT) vehicle may include determining whether gear shifting has been initiated, updating a T-S curve of a release-side...
US20140162846 CONTROL METHOD FOR VEHICLE WITH DCT  
A clutch in a vehicle with DCT having an ISG function is controlled for an engine speed to be decreased rapidly when the engine enters into the ISG so that a ring gear of an engine and a gear of a...
US20120109478 HYDRAULIC CONTROL APPARATUS FOR VEHICLE  
The hydraulic control apparatus calculates a target engagement hydraulic pressure of a frictional engagement element, controls the frictional engagement element so that a revolution speed at a...

Matches 1 - 36 out of 36