Matches 1 - 29 out of 29


Match Document Document Title
US20140045651 Flywheel Assembly for a Powertrain  
A powertrain for a machine may include a flywheel and a drivetrain having multiple configurations to permit the flywheel to be mechanically connected both upstream and downstream of a...
US20080277239 Motor Vehicle Hydraulic Pump  
A motor vehicle hydraulic pump (1) is provided comprising a gerotor rotor set or planetary rotor set and at least two output stages. A first output stage (10) of the hydraulic plump (1) is...
US20080254938 VEHICLE CLUTCH ENGAGEMENT CONTROL SYSTEM AND METHOD  
A clutch engagement control system for a vehicle transmission. The system comprises an automatic transmission gearset and at least one hydraulic clutch coupled to the gearset. A hydraulic pressure...
US20080220936 Automatic transmission assembly for a vehicle, and vehicle incorporating same  
An automatic transmission assembly having a transmission unit including a plurality of gear pairs, a shift drum, a pair of clutches; and a controller. The controller performs a preliminary...
US20050159270 Arrangement and method for allowing disengagement of a gear in a gearbox  
An arrangement and a method for allowing disengagement of a gear of a gearbox in a vehicle. A clutch provides elastic rotation when driving torque is transmitted in the driveline. A first sensor...
US20080076631 Method for Determining the Filling Pressure for a Clutch  
Method for determining the filling pressure for a clutch that comprises clutch linings, a clutch release spring, and a hydraulic pressure system for closing the clutch against the force of the...
US20090197736 PROCESS FOR CALIBRATING AN AUTOMATIC TRANSMISSION  
A method is provided for calibrating an automatic transmission with a torque converter clutch. In order to avoid that the torque converter clutch still has capacity even if the pressure is...
US20080039280 METHOD FOR ADJUSTING THE CLUTCH TORQUE OF A MOTOR VEHICLE DEPENDING UPON THE DRIVING RESISTANCE  
A method for controlling or regulating torque of a startup clutch of a motor vehicle. The method reliably prevents unintentional rolling of the motor vehicle down a grade and enables a comfortable...
US20100016119 CLUTCH SYSTEM  
A clutch system for producing and interrupting a force flow between the engine and transmission of a motor vehicle, with a clutch, which is disengaged unless actuated, and one or more valves,...
US20090286648 METHOD FOR CONTROLLING A BRIDGING CLUTCH IN A HYDRODYNAMIC TORQUE TRANSMISSION DEVICE  
A method is proposed for controlling a bridging clutch in a hydrodynamic torque transmission device of a vehicle, such that with reference to a predetermined load status of the vehicle the...
US20080257084 Selector mechanism for dual-clutch transmissions  
An embodiment provides a method shifting a multispeed transmission. The multispeed transmission includes multiple gear paths having alternating speed ratios and a plurality of shift members. Each...
US20130035204 MOTOR-GENERATOR SYSTEM DRIVEN BY V-BELT  
A motor-generator system for a vehicle, in which power transmission between a crankshaft of an engine and a motor-generator is performed by a V-belt wound around pulleys thereof, includes a speed...
US20060240943 Method for operating an automatic gearbox on a motor vehicle  
A method for the operation of an automatic transmission in a motor vehicle. The downshifting of the transmission takes advantage of a braking action of a driving motor connected to the automatic...
US20090076689 AUTOMATIC TRANSMISSION SOLENOID CONTROL SYSTEM AND METHOD  
An automatic transmission controller system and method are disclosed. In particular, disclosed is a system and method for controlling solenoid pressure control valves associated with an automatic...
US20080071450 Method and Control Unit for Controlling a Friction Clutch Between an Internal Combustion Engine and a Change Speed Transmission  
A method controls a friction clutch disposed between an internal combustion engine and a change speed transmission. The friction clutch is controlled in such a way that it transmits an average...
US20140329641 DRIVE TRAIN HAVING A SPUR GEARING AND A CENTRIFUGAL PENDULUM  
A drive train including an internal combustion engine with a crankshaft, and having a spur gear arrangement with at least one transmission input shaft that is coupled to the crankshaft by a...
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...
US20110245035 DUAL-PISTON NORMALLY-ENGAGED CLUTCH  
A normally-engaged clutch is provided having a friction-element with a first side and an opposing second side, a first plate configured for pressing against the friction-element on the first side,...
US20110015034 MULTI-RATIO ROTORCRAFT DRIVE SYSTEM AND A METHOD OF CHANGING GEAR RATIOS THEREOF  
A multi-ratio rotorcraft drive system and a method of changing gear ratios thereof are disclosed. According to one embodiment, the multi-ratio rotorcraft drive system comprises a rotor system...
US20150111695 CLUTCH MECHANISM, METHOD FOR THE OPERATION OF THE CLUTCH MECHANISM, AS WELL AS DRIVE TRAIN OF A MOTOR VEHICLE  
A clutch mechanism which is arranged in a drive train between an internal combustion engine and a manual shift transmission of a motor vehicle. An input shaft is connected rotationally secured to...
US20150024904 Adjusting Clutch Slip Based on Sensed Parameter of Transmission Shaft to Control Vehicle NVH  
A vehicle powertrain includes a transmission and a clutch. The slip of the clutch is adjusted to a predefined target where a sensed parameter of a shaft of the transmission corresponds to a...
US20140011633 CONTROL DEVICE FOR AUTOMATIC TRANSMISSION  
There is provided a control device for an automatic transmission configured to automatically shift a transmission of a driving force of a motor in response to a driving state. The automatic...
US20100298091 Power Transmission  
A power transmission in which a driven body and a drive body for driving the driven body are rotated in the same direction and are coupled through a coupling portion, transmission of torque from...
US20100304927 DUAL GAIN CLUTCH CONTROL SYSTEM  
An automatic transmission includes a control system for controlling a clutch of the transmission. The control system includes a first variable flow solenoid and a second variable flow solenoid,...
US20100210415 VEHICLE CONTROLLER AND CONTROL METHOD  
When initial control ends, an ECU executes a program that includes the steps of: calculating a return control progression degree; calculating a target amount of change in turbine speed;...
US20120115679 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...
US20100190604 Transmission  
A motor vehicle transmission includes a power splitter connected with the vehicle engine and having two outputs. A differential and a clutch are connected with the outputs of the splitter....
US20160176405 TRANSMISSION  
A transmission changes gears in a MT system, an AT system, and an AMT system wherein unintended transition between an AT mode and a MT mode or between an AMT mode and a MT mode is prevented. A...
US20130296133 METHOD AND APPARATUS FOR OPERATING A POWERTRAIN SYSTEM UPON DETECTING A STUCK-CLOSED CLUTCH  
A powertrain system includes a multi-mode transmission having a plurality of torque machines. A method for controlling the powertrain system includes identifying all presently applied clutches...

Matches 1 - 29 out of 29