Matches 1 - 25 out of 25


Match Document Document Title
US20090280953 HYDRAULIC CONTROL SYSTEM AND METHOD FOR AUTOMATIC TRANSMISSION FOR A VEHICLE  
A hydraulic control system for an automatic transmission, which includes a brake, used to establish a first gear step and a reverse gear step. The hydraulic control system includes a first...
US20080032860 Torque converter clutch lock on method and low slip regulation  
A torque converter clutch control system is provided. The system includes: a mode determination module that selects one of a lock low slip regulation mode and a hard lock mode based on a lock...
US20090312925 TORQUE CONVERTER CONTROL DEVICE AND CONTROL METHOD THEREOF  
When an upshift is performed while a traveling condition of a vehicle corresponds to a driving condition or a downshift is performed while the traveling condition of the vehicle corresponds to a...
US20080227597 Torque converter impeller clutch control  
A system for controlling a torque converter of an automatic transmission driven by a power source, the system including a torque converter an impeller, a turbine driveably connected to a...
US20080242501 Lock-up clutch control unit  
Deterioration of drivability due to operation of lock-up clutch mechanism is prevented. When the lock-up operation zone of a lock-up clutch 26 provided in a torque converter 20 is switched from...
US20140162843 TRANSMISSION WITH MEMS-BASED HYDRAULIC CIRCUIT  
A vehicle includes an engine, torque converter assembly, and transmission. The torque converter assembly includes a torque converter clutch (TCC). The transmission is connected to the engine via...
US20050153815 Method for operating an automatic transmission of a turbochargerd internal combustion engine  
The invention relates to a method for operating an automatic transmission, having a torque converter and at least one function clutch, of a motor vehicle having an internal combustion engine with...
US20100035722 CONTROL FOR TORQUE CONVERTER HAVING MULTIPLE SELECTIVELY ENGAGEABLE CONVERTER COUPLERS  
An apparatus and method of controlling a torque transmitting apparatus having multiple selectively engageable couplers is provided. The multiple couplers may be selectively engaged and disengaged...
US20060116236 Torque converter clutch release to prevent engine stall  
A torque converter control system for a vehicle includes a torque converter having a torque converter clutch (TCC) that selectively couples an engine and a transmission for common rotation. A...
US20090259376 System and Method for Managing Accumulator Effects During Engagement of a Lockup Clutch in a Torque Converter  
A dynamic model that is configured to produce a lockup clutch command as a function of a plurality of torque converter operating parameters is continually solved and the lockup clutch command is...
US20070213175 Control device and method of vehicle  
A control device of a vehicle which switches a lockup clutch to an operating state depending upon vehicle conditions determines switching of the lockup clutch from lockup-ON switching lines...
US20100063696 System and Method for Controlling Engagement of a Lockup Clutch in a Torque Converter  
A dynamic model is stored in memory that defines torque transmitted by the lockup clutch as a function of a plurality of torque converter operating parameters. A lockup clutch command is asserted...
US20090098978 Torque Converter Control Method And Apparatus  
A method for controlling a torque converter having an internal lockup clutch includes detecting vehicle operating conditions and executing one of a stored plurality of torque converter clutch...
US20090325757 AUTOMATIC TRANSMISSION  
An automatic transmission is provided with a torque converter clutch (TCC) for regulating the slip between the engine speed and the transmission input speed and a method is provided for regulating...
US20110319226 Variable Gain of a Transmission Control Element  
A multiple gain producing device includes a control element having variable torque capacity, a source of control pressure, and a spring applying to the control element a first force due to said...
US20130303331 TORQUE CONVERTER CONTROL FOR A VEHICLE  
A method for controlling a transmission assembly includes providing a vehicle having a first power source and a second power source disposed in parallel with the first power source. The first...
US20080194381 VARIABLE K-FACTOR TORQUE CONVERTER  
A controllable hydrodynamic torque converter is provided for use within a vehicle having a detectable throttle level, the torque converter comprising a first stator having a first outlet angle and...
US20110028270 ELECTRONICALLY CONTROLLED RANGE VALVE FOR MULTI-SPEED PLANETARY TRANSMISSION  
A shift by wire control for a multi-speed vehicle transmission is provided. The control includes a shift by wire shift valve in fluid communication with other shift valves and clutch trim valves...
US20100273606 VEHICLE LAUNCH DEVICE HAVING FLUID COUPLING AND ELECTRIC MACHINE  
An automatic shifting power transmission includes a hydrodynamic fluid drive device, a first reaction clutch disposed in series with the hydrodynamic fluid drive device, a variable capacity clutch...
US20140349813 CONTROL DEVICE FOR AUTOMATIC TRANSMISSION  
A control device of an automatic transmission comprises a torque converter and a lock-up clutch which are arranged between an engine and an automatic transmission; and an up-shift control means...
US20130297157 METHODS AND SYSTEMS FOR IMPROVING TRANSMISSION SHIFTING  
Systems and methods for improving operation of a hybrid vehicle are presented. In one example, an engine is couple to a transmission in response to a transmission upshift to reduce transmission...
US20170158198 VEHICLE CONTROL APPARATUS  
A vehicle control apparatus for a vehicle including an automatic transmission having a torque converter provided with a lock-up clutch, the vehicle control apparatus including a kick-down...
US20120184405 VEHICLE CONTROL SYSTEM  
A vehicle control system capable of reducing change in acceleration of the vehicle before and after the termination of fuel-cut control. Before the termination of the fuel-cut control, the vehicle...
US20110136620 METHODS AND SYSTEMS FOR ASSISTED DIRECT START CONTROL  
Methods and systems are provided for controlling a vehicle engine coupled to a stepped-gear-ratio transmission. One example method comprises, in response to a first vehicle moving condition,...
US20110130245 METHODS AND SYSTEMS FOR ASSISTED DIRECT START CONTROL  
Methods and systems are provided for controlling a vehicle system including a selectively shut-down engine, a torque converter and a torque converter lock-up clutch. One example method comprises,...

Matches 1 - 25 out of 25