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| Number | Title | Issue Date |
| 8177687 | Power transmission device A power transmission device that can reliably prevent engine stall from occurring. The power transmission device includes a transmission clutch 3 interposed between an engine E and a transmission T/M, and control 22 for controlling connection and disco... | 05/15/2012 |
| 8157704 | Method for controlling the drivetrain of a motor vehicle and control unit for performing the method A method controls a drivetrain of a motor vehicle having an internal combustion engine, an automatic transmission with at least two discrete transmission stages, and a clutch which is controlled automatically. The method is characterized in that when there is a tran... | 04/17/2012 |
| 8105205 | Method and device for adjusting the friction coefficient of a friction clutch situated in a hybrid power train A method for adjusting the friction coefficient of a friction clutch situated in a hybrid power train between an electric machine and a combustion engine, actuated by a clutch actuator, the friction coefficient is adjusted by a torque transmitted by the friction clu... | 01/31/2012 |
| RE41804 | Method for changing the clutch torque in a clutch in the power train of a vehicle having an automated manual shift transmission A method for altering the coupling torque of a coupling in the drive train of a vehicle with an automatic gearbox and/or automatic coupling in a creep drive mode of a vehicle. According to the invention, the coupling torque is altered according to at least one varia... | 10/05/2010 |
| 7674204 | Device and method for control of an automatic gearbox for control of lock-up and lock-up release A control device for an automatic gearbox, coupled to the engine or a motor vehicle, by a torque converter, including a locking device for a fixed connection of the output shaft of the engine to the input shaft of the automatic gearbox, to produce a lock-up and conv... | 03/09/2010 |
| 7666117 | Power-transmission control mechanism for lawn mower In a power-transmission control mechanism for controlling transmission of power from an internal combustion engine of a lawn mower to mowing blades, a controller for an electromagnetic clutch periodically repeats: reading detected engine rotational speed during a pr... | 02/23/2010 |
| 7651441 | Engine control for displacement on demand An engine control system for controlling a displacement on demand engine having a plurality of cylinders includes a torque converter with a torque converter clutch. A control module determines a slip speed of said torque converter clutch, estimates a temperature sta... | 01/26/2010 |
| 7488273 | Cylinder deactivation for a motorcycle engine A method of reducing heat produced by an internal combustion engine in a motorcycle. The method includes supplying fuel pulses to a combustion chamber at least once per engine cycle (consecutive engine cycles defining a series of consecutive fuel pulses), operating ... | 02/10/2009 |
| 7465252 | Hydraulic actuation system A hydraulic actuation system, especially for actuating the clutch of a vehicle, containing a master cylinder unit, a slave cylinder unit, a hydraulic medium line connecting the two cylinder units and a throttle valve which is used to alter the flow resistance betwee... | 12/16/2008 |
| 7448982 | Method and apparatus for switching on and off the internal combustion engine of a vehicle A method and apparatus are provided for switching on and off the internal combustion engine which drives a vehicle by way of a manual transmission. The manual transmission is associated with a clutch for producing and releasing the frictional connection between the ... | 11/11/2008 |
| 7395891 | Engine torque truncation method for a four-wheel drive vehicle A four wheel drive powertrain control for an automotive vehicle is disclosed. It includes a torque transfer case that distributes power from an engine-powered transfer case mainshaft to a secondary driving axle through a friction clutch as power is distributed direc... | 07/08/2008 |
| 7367921 | Electromechanically actuated valve control for an internal combustion engine A system and method to control engine valve operation in an internal combustion engine. Valves are controlled to improve vehicle drivability and reduce vehicle noise. ... | 05/06/2008 |
| 7367924 | Method for controlling gear-shifting processes of a powershift gearbox and corresponding powershift gearbox A method for controlling gear-shifting processes of a powershift gearbox which can be coupled to a drive motor and has gear steps including two friction clutches and a plurality of clutches, and at least one gearbox actuator for actuating the gear steps. The method ... | 05/06/2008 |
| 7367919 | Transmission configuration and method for controlling a transmission A transmission configuration includes an automated dual-clutch transmission having two transmission sections with respective input shafts, respective output shafts and respective motor clutches. The motor clutches are connected, on a motor side thereof, to a drive s... | 05/06/2008 |
| 7361120 | Control of lock-up clutch A lock-up clutch control device which controls a lock-up clutch (6) provided in a torque converter (5) interposed between an engine (3) and a transmission (4) used with a vehicle, is disclosed. The lock-up clutch control device has a diff... | 04/22/2008 |
| 7359785 | Starting device for motor vehicles A starting device has a friction element arranged between an engine and wheels for transmitting torque between them. The engagement and disengagement of the element is shifted by press force outputted from a press force applier, which is controlled by a control unit... | 04/15/2008 |
| 7357755 | Engine speed control system for walk-behind truck In an engine speed control system mounted on a walk-behind truck having a bed that carries cargo, to power driven wheels through a clutch such that the truck runs and the engine speed is controlled to a desired engine speed, it is detected whether the operator perfo... | 04/15/2008 |
| 7347805 | Engine torque control device An engine torque control device is configured to reduce shift shock during a downshift with an automatic transmission. During a downshift with an automatic transmission having a stepped shift mechanism, when the engine output (torque) is increased so as to bring it ... | 03/25/2008 |
| 7316631 | Automatic transmission apparatus An automatic transmission apparatus includes: a torque converter including a pump impeller connected to an engine and a turbine connected to an input shaft of an automatic transmission; an oil pump connected to the pump impeller and to the turbine; and a controlling... | 01/08/2008 |
| 7314430 | Disabling engine speed limiters during centrifugal clutch installation A master clutch includes a pressure plate adjacent to a friction disc. A centrifugal weight forces the pressure plate and friction disc into engagement when in a desired install position. A locking device retains the centrifugal weight in the desired installed posit... | 01/01/2008 |
| 7306545 | Transfer case clutch calibration method A method of improving performance of secondary driveline clutches in motor vehicle transfer cases includes the steps of testing each manufactured transfer case to determine the clutch drive current versus torque transfer function, fitting such determined function to... | 12/11/2007 |
| 7300385 | Control strategy for a dual crankshaft engine coupling arrangement A control method for coupling a first engine to a second engine in a vehicle includes determining a current position of a throttle body that regulates power output from the first and second engines. Determining a set speed for the first and second engines that corre... | 11/27/2007 |
| 7291095 | Automatic start control apparatus of vehicle An automatic start control apparatus of a vehicle having a function to automatically start the vehicle and not performing switching of a starting mode to a manual starting mode only by depression of a clutch pedal, but switching the starting mode to the manual start... | 11/06/2007 |
| 7285071 | Downshift control for automotive automatic transmission An automotive automatic transmission control apparatus is provided which works to increase the power of an engine in response to a request to down-shift the gear of an automatic transmission for developing the engine braking. The control apparatus includes a fail-sa... | 10/23/2007 |
| 7247123 | System and method of controlling idle-stop vehicle A system for controlling an idle-stop vehicle includes an ECU which carries out idle stop when the idle-stop permission conditions are established, and engine restart and engagement of a forward clutch when the idle-stop release conditions are established after engi... | 07/24/2007 |
| 7237667 | Load handling platform provided with retractable rollers The invention concerns a roller track device based on simple kinematics, enabling reduction of the number of parts and production costs of the assembly as well as its space requirement, and designed for being fitted on new handling apparatuses as well as for retrofi... | 07/03/2007 |
| 7235036 | Lockup control apparatus and method for vehicular torque converter In a lockup control apparatus and method for a vehicular torque converter, the torque converter is controlled to be under a steady-state lockup state by a lockup clutch during a steady-state traveling state, and the torque converter is controlled to be under a coast... | 06/26/2007 |
| 7231907 | Variable incremental activation and deactivation of cylinders in a displacement on demand engine A method of regulating displacement in a displacement on demand engine includes determining a desired engine displacement and determining a current engine displacement. The method further includes adjusting activation of a first cylinder to partially achieve the des... | 06/19/2007 |
| 7226383 | Control device for hybrid vehicle A hybrid vehicle is driven by one or both of an engine and a drive motor. The engine is started by a power generating motor, and power generated by the engine is supplied to a battery. An engine-power transmission path is provided with a coupling for being shifted t... | 06/05/2007 |
| 7192385 | Upshift control method of a vehicle automatic transmission The upshift control method of an automatic transmission for vehicles includes determining whether a start condition of a damper clutch control operation is satisfied during an upshift under a power-off. The method also includes executing the damper clutch control op... | 03/20/2007 |
| 7182167 | Hybrid propulsion system for two-wheeled vehicle A hybrid-type unit for a two-wheeled vehicle can include an engine, a motor for driving a wheel of a vehicle, a power distribution mechanism, and a generator. The generator and the motor can be disposed at different positions offset longitudinally from each other an... | 02/27/2007 |
| 7179197 | Clutch state determining device If a user presses a clutch pedal to perform gear-shifting operation while a vehicle is traveling, a clutch disc, which has been engaged with a flywheel rotating with an engine, is brought to partial clutch engagement and slides on an end surface of the flywheel to g... | 02/20/2007 |
| 7179199 | Control system for vehicle having an engine capable of performing and stopping combustion in each cylinder A control system for a vehicle includes an engine switch control unit for switching the operating condition of the engine between the all-cylinder operating condition and the partial-cylinder operating condition, a failure determining unit for determining the failur... | 02/20/2007 |
| 7171942 | Protective engine speed control for a centrifugal clutch A device that controls the engine speed of an internal combustion engine of a hand-held power tool has a protective control unit. The engine has an ignition control unit for controlling the ignition timing relative to a crank angle of a crankshaft based on the crank... | 02/06/2007 |
| 7169082 | Method for changing the clutch torque in a clutch in the power train of a vehicle having an automated manual shift transmission A method for altering the coupling torque of a coupling in the drive train of a vehicle with an automatic gearbox and/or automatic coupling in a creep drive mode of a vehicle. According to the invention, the coupling torque is altered according to at least one varia... | 01/30/2007 |
| 7169081 | Method for actuating a clutch at low temperatures A method for clutch actuation at low temperatures for a motor vehicle having a hydraulically actuatable clutch, below a predetermined temperature a situation-dependent pre-opening of the clutch is executed when a braking is probable. ... | 01/30/2007 |
| 7156771 | Clutch unit In a clutch unit, an engagement of a dog clutch can be restricted until a revolution of an input shaft and the revolution of an output shaft correspond to each other so as to be suitable for the engagement. The engagement can be effected when the revolution of the i... | 01/02/2007 |
| 7155993 | Dual clutch transmission having a synchronizer actuation interlock circuit A dual clutch transmission for a motor vehicle having a synchronizer actuation interlock system includes two input shafts, a counter shaft, and a plurality of gear sets rotatively disposed on the shafts. The gear sets are adapted to be operatively engaged to and dis... | 01/02/2007 |
| 7131510 | Method and a system for controlling the propulsion of a hybrid motor vehicle The system comprises control devices (CS) arranged to implement a stop-start function in which, during a stop stage, the internal combustion engine (1) is disconnected from the electric machine (4) and from the transmission system (2) and is swi... | 11/07/2006 |
| 7131933 | Vehicle control apparatus having means for changing inertia torque of engine during shifting action or during switching of operating state of lock-up clutch A control apparatus for an automotive vehicle having an automatic transmission and an engine capable of controlling a resistance to its rotary motion. The control apparatus is adapted to change an output torque of the engine temporarily during a shifting action of t... | 11/07/2006 |
