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| Application No. | Application Title | Issue Date |
| 20120130574 | ELECTRICALLY ASSISTED VARIABLE-K CONTROL A vehicle includes a transmission, a motor configured to provide a motor torque to the transmission, and an engine configured to provide an engine torque to the transmission. A torque converter is operably disposed between the transmission and the motor, the engine, or ... | 05/24/2012 |
| 20120109478 | 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 driving source side of the frictional engagement element is higher than a rev... | 05/03/2012 |
| 20120109477 | Dual Clutch Driveline Twist Control A method for controlling a driveline having a transmission clutch includes locking the clutch before a driveline lash crossing occurs; maintaining a locked clutch during the lash crossing; after the lash crossing occurs, increasing a clutch capacity at a slower rate tha... | 05/03/2012 |
| 20120041658 | SYSTEM AND METHOD FOR DETERMINING A STEERING ANGLE FOR A VEHICLE AND SYSTEM AND METHOD FOR CONTROLLING A VEHICLE BASED ON SAME A system for determining an angular position of a steerable wheel of a vehicle can include a plurality of sensors and a controller in electrical communication with each of these sensors. The controller can be configured to compare a first data set and a second data set ... | 02/16/2012 |
| 20120016561 | METHOD FOR CONTROLLING A TORQUE TRANSMITTING DEVICE WITH LEARNING FUNCTION Apparatus (control device) and a method for controlling a torque transmitting device such as a brake, wet clutch, dry clutch (10) during a filling and slip phase is provided, e.g. for coupling a first shaft (12) to a second shaft (14) via the wet cl... | 01/19/2012 |
| 20120010795 | Clutch Release System and Method for Operating a Clutch Release System A method operates a clutch release system of a vehicle having an electrically actuable clutch release unit including a sensor for detecting a position of a release piston, a control unit for controlling the release piston as a function of a detected position of a clutch... | 01/12/2012 |
| 20110290611 | Electromagnetic Actuation System With Force Feedback Control Using Piezoelectric Ring A torque transfer device for a motor vehicle includes a clutch for transferring torque between first and second shafts. An electromagnetic actuator includes an axially moveable armature for applying an application force to the clutch. An actuator control system includes... | 12/01/2011 |
| 20110288735 | 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 feed-forward engine torque to minimize the impact on the engine speed when additional... | 11/24/2011 |
| 20110282557 | DRIVE STATE CONTROL APPARATUS FOR VEHICLE An on-demand-type drive state control apparatus for a vehicle is provided. In the case where acceleration slippage occurs at drive wheels (rear wheels) of a vehicle when a drive system is in a two-wheel drive state, the drive system is switched from the two-wheel drive ... | 11/17/2011 |
| 20110264344 | LOCKUP CLUTCH CONTROL APPARATUS AND LOCKUP CLUTCH CONTROL METHOD A lockup clutch control apparatus controls slippage of a lockup clutch to a desired slippage by manipulating clutch engagement force of the lockup clutch, wherein an engine is provided with a supercharger, and a torque converter is disposed between the engine and an aut... | 10/27/2011 |
| 20110257857 | CONTROL SYSTEM AND METHOD FOR SYNCHRONIZATION CONTROL IN DUAL CLUTCH TRANSMISSIONS A control system includes a pressure control solenoid and a flow control solenoid having an input in fluid communication with the pressure control solenoid. A piston adjusts a position of a shift fork and includes a first area in fluid communication with the pressure co... | 10/20/2011 |
| 20110246038 | CORRECTION METHOD FOR A CLUTCH ACTUATOR CHARACTERISTIC A method for correcting an actuator characteristic of a clutch actuator for a friction clutch of a vehicle transmission after the commissioning thereof. The actuator characteristic relates a first desired variable, such as a desired clutch pressure, to a second desired ... | 10/06/2011 |
| 20110246037 | HYDRAULIC CONTROL APPARATUS FOR LOCKUP CLUTCH A hydraulic pressure control apparatus for a lockup clutch of a fluid transmission device. In a spool of the lockup relay valve, switching to a position on an engaging side (right half position) for engaging a lockup clutch is achieved by a signal pressure being input f... | 10/06/2011 |
| 20110238276 | POWER TRANSMISSION CONTROL APPARATUS FOR VEHICLE First and second clutches correspond to systems which include “first gear” and “second gear,” respectively. When the temperature of the first clutch at the time of start of the vehicle is lower than a first temperature, only the first clutch is used as a start c... | 09/29/2011 |
| 20110208397 | STARTING-CLUTCH CONTROL APPARATUS A starting-clutch control apparatus is configured to control connection between a driving side and a driven side of a vehicle using a starting clutch disposed therebetween. A driving-shaft rotation speed detector is configured to detect a rotation speed of a driving sha... | 08/25/2011 |
| 20110196589 | METHOD FOR COMPENSATING FOR VOLUME CHANGES OF AN HYDRAULIC FLUID IN AN HYDRAULIC ACTUATING DEVICE FOR ACTUATING A CLUTCH, AND HYDRAULIC ACTUATING DEVICE In a method for compensating for volume changes of a hydraulic fluid in an actuating device used for actuating a clutch, which actuating device includes a master cylinder, an actuator connected to a piston of the master cylinder, and a slave cylinder hydraulically conne... | 08/11/2011 |
| 20110196590 | START CONTROL DEVICE OF POWER TRANSMISSION SYSTEM FOR VEHICLE AND START CONTROL METHOD A start control device and a start control method of a vehicular power transmission system including a lock-up clutch and a start clutch are provided in which start-time lock-up slip control is performed, and neutral control is performed. When the start-time lock-up sli... | 08/11/2011 |
| 20110190997 | METHOD FOR ACTUATING A CLUTCH OF A HYDRODYNAMIC TORQUE CONVERTER A method of actuating a clutch of a hydrodynamic torque converter in a self-propelling working machine such that when the clutch is engaged and thereby connects a drive input of the hydrodynamic torque converter to a drive output of the hydrodynamic torque converter, an... | 08/04/2011 |
| 20110184616 | METHOD FOR CONTROLLING THE TORQUE CONVERTER CLUTCH (TCC) PRESSURE DURING POWER DOWNSHIFT EVENTS A method is provided for controlling the torque converter clutch (TCC) pressure during power downshift events. In order to provide a method for controlling the torque converter clutch (TCC) pressure during power downshift events, the present invention proposes that an i... | 07/28/2011 |
| 20110166760 | METHOD FOR CONTROLLING A CLUTCH UNIT A clutch unit comprises a wet friction clutch for controllable transmission of a torque from an input element to an output element, oil for cooling the friction clutch, and an actuator for actuating the friction clutch. In order to control the clutch unit, a temperature... | 07/07/2011 |
| 20110125378 | METHOD FOR ADAPTING THE KISS POINT A method for setting the engagement point of a friction clutch of a multi-step transmission for a motor vehicle. The friction clutch can be activated, controlled, by means of a clutch actuator. A set point value of the clutch actuator is set for the engagement point of ... | 05/26/2011 |
| 20110112738 | PROCESS FOR DETECTING TUNING MEASURES The invention relates to a process for detecting tuning measures through which the actual output power of an internal combustion engine of a motor vehicle is increased relative to design output power value, whereby, to detect the tuning measures, deviations of actual ou... | 05/12/2011 |
| 20110093176 | METHOD FOR ACTUATING A HYDRAULIC OPERATED CLUTCH AND CONTROLLER A method is provided for actuating a hydraulic operated clutch of an automotive gear box for shifting gears, that includes, but is not limited to the steps of collecting data from a CAN-bus system, which includes, but is not limited to data about torque and speed of the... | 04/21/2011 |
| 20110093175 | METHOD AND DEVICE FOR ENGAGING A CLUTCH In a method for engaging a clutch having at least one previously known touch point position, the clutch is engaged according to a speed profile, the course of which depends on at least one of the previously known touch point positions.... | 04/21/2011 |
| 20110077830 | METHOD AND APPARATUS FOR NEUTRAL IDLE CLUTCH CONTROL IN A VEHICLE HAVING AN ENGINE START-STOP POWERTRAIN A method and apparatus provide control of a neutral idle (NI) clutch to allow a vehicle with automatic engine start-stop functionality to utilize the NI state as a transitional shift state, either upon or just prior to engine shutdown, to minimize driveline disturbances... | 03/31/2011 |
| 20110071742 | AUTOMATIC TRANSMISSION AND LEARNING METHOD THEREOF When an inertia phase of an upshift of the transmission is started during a lockup clutch engagement operation, a following command oil pressure to be used during a following lockup clutch engagement operation is learned on the basis of a slip rotation speed, which is a... | 03/24/2011 |
| 20110054754 | CLUTCH ACTUATOR AND METHOD FOR THE CONTROL THEREOF A clutch actuator and to a method for the control thereof. The actuator actuates a multi-disk clutch, and to do so has actuator modules. The number of which corresponds to the number of the friction clutches. The modules have separate control units and electric motors, ... | 03/03/2011 |
| 20110054753 | TORQUE LIMITING CLUTCH WITH ENGINE TORQUE MANAGEMENT FOR THERMAL PROTECTION A method for controlling slip across a torque limiting clutch includes determining a driveline slip threshold. A cut-off temperature is determined based on at least one of a clutch temperature, a steering wheel input and a vehicle speed. A driveline slip is determined. ... | 03/03/2011 |
| 20110054755 | CONTROL DEVICE AND CONTROL METHOD FOR AUTOMATIC TRANSMISSION A control device for an automatic transmission includes a determining unit determines that a friction element is to be set in an engaged condition in case a vehicle speed is equal to or higher than a determination reference and determining that the friction element is t... | 03/03/2011 |
| 20110046862 | DEVICE AND METHOD FOR DETERMINING A MAPPING OF THE TORQUE TRANSMITTED BY A CLUTCH IN AN AUTOMOBILE AND HILL-START ASSISTANCE SYSTEM FOR AN AUTOMOBILE EQUIPPED WITH SUCH DEVICE A device for determining, when driving a vehicle, a mapping of torque transmitted by a clutch of the automobile based on a position of a clutch control member. The device includes a mechanism updating the mapping based on position thresholds of the clutch control member... | 02/24/2011 |
| 20110024258 | Transmission with Durability Enhancement Techniques The present disclosure relates to durability enhancement techniques for a dry-clutch vehicle transmission. A cooling system that provides a direct convective cooling path to friction surfaces is disclosed. Also disclosed is a continuously variable clutch wear compensati... | 02/03/2011 |
| 20110022279 | Electronic Locking Differential A method for controlling a clutch of an electronic locking differential for a vehicle includes determining either that a speed of the vehicle is less than a reference speed or that a desired state of the clutch is a disengaged state, determining that an angular displace... | 01/27/2011 |
| 20110022280 | SYSTEM FOR CONTROLLING PEAK TORQUE IN MANUAL TRANSMISSIONS A system for controlling a flow of hydraulic fluid between a hydraulic actuator and a torque transmitting device includes a position sensor in communication with the hydraulic actuator and operable to detect a position of the hydraulic actuator, a temperature sensor in ... | 01/27/2011 |
| 20110015843 | METHOD FOR CLASSIFYING A CLUTCH UNIT A method is described for classifying a clutch unit for a drivetrain of a motor vehicle, wherein the clutch unit has at least one friction clutch for the controllable transmission of a torque from an input element to an output element and has an actuator for actuating t... | 01/20/2011 |
| 20100324794 | TORQUE CONVERTER CONTROL FOR VARIABLE VALVE LIFT POWERTRAIN SYSTEMS A control system for a powertrain of a vehicle includes a torque module and a damping control module. The torque module determines a first output torque and a second output torque of the engine. The second output torque is determined after the first output torque. The t... | 12/23/2010 |
| 20100312444 | CONTROL DEVICE OF LOCK-UP CLUTCH A control device for controlling an engagement state of a lock-up clutch is provided. A plurality of target slip ratio maps include a normal slip ratio map having a characteristic line of a target slip ratio defined in accordance with an engine load at a normal vehicle ... | 12/09/2010 |
| 20100268427 | CLUTCH HOLD LEVEL AS A FUNCTION OF TORQUE A system and method for controlling a hydraulic transmission uses a clutch fill profile having a hold level that varies as a function of torque. A pressure required for an on-coming clutch to hold the gear of the off-going clutch without a flare or over-speed condition ... | 10/21/2010 |
| 20100262346 | CONTROL DEVICE AND CONTROL METHOD FOR LOCKUP CLUTCH AND ENGINE TORQUE IN A VEHICLE If the a rotational speed difference (Ne−Nt) between an engine speed (Ne) and a turbine speed (Nt) when it is determined that a lock-up ON condition (OFF→ON) is satisfied is large, the lock-up clutch is not engaged but torque reduction control is executed to reduce ... | 10/14/2010 |
| 20100241328 | METHOD FOR HILL START ASSISTANCE FOR MOTOR VEHICLE A method for hill start assistance for a motor vehicle and to an associated device that includes a clutch and a transmission between the clutch and driving wheels of the vehicle. The method determines the torque of the clutch for maintaining the vehicle in an immobile p... | 09/23/2010 |
| 20100235062 | LOCK-UP CLUTCH CONTROLLER A controller has a command section, a control section, a time measurement section, and a command fixing section. The command section generates a command regarding the actuation state of a lock-up clutch in accordance with a condition value that is determined by the acce... | 09/16/2010 |
