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| Number | Title | Issue Date |
| 8177685 | Method for shifting gears in a dual clutch transmission A method for shifting gears in a dual clutch transmission within a motor vehicle and a motor vehicle implementing said method are suggested providing a smooth transition between gears particularly in the starting phase. The dual clutch transmission comprises a first... | 05/15/2012 |
| 8079936 | 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 a transmission output, using a speed of a power source to control a tr... | 12/20/2011 |
| 7980993 | Vehicle controller and vehicle control method When a release of an accelerator is detected during a shift of an automatic transmission, instead of discharging the hydraulic pressure for engagement of an engaging device of the automatic transmission immediately after the release of the accelerator is detected du... | 07/19/2011 |
| 7976431 | Method for shifting actuation of an automated group transmission A method for shifting an automated transmission situated in a drive train of a motor vehicle between an engine and a drive axle and having at least one multi-speed main transmission and a two-speed range change group rear-mounted thereon. The main transmission has a... | 07/12/2011 |
| 7963884 | Straddle type vehicle A straddle vehicle comprises a single actuator that controls clutch engagement as well as gear shifting. The actuator can be connected to the clutch and the shiftable transmission with a rotating shaft. When an engine speed reaches or exceeds a preset value during a... | 06/21/2011 |
| 7938749 | Control system and vehicle A motorcycle includes a transmission, an ECU, an engine and a transmission operating mechanism. The engine has a crank. The transmission operating mechanism includes a shift pedal and a load sensor. The load sensor detects an operation of the shift pedal by a driver... | 05/10/2011 |
| 7762925 | Engine power reduction during automatic transmission shifting An engine's power may be gradually reduced during a torque phase of a clutch-to-clutch up-shift within an automatic transmission and then reduced fully during a subsequent inertia phase. ... | 07/27/2010 |
| 7670261 | Fuel pressure control in a common rail system The present invention relates to the control of fuel pressure in a common rail engine in connection with an automatic gearshift procedure. Upon receipt of a primary gearshift command, a fuel pressure in the common rail fuel system is decreased. This decrease is init... | 03/02/2010 |
| 7658693 | Method for the operation of a drivetrain A method for the operation of a drivetrain of a motor vehicle, having an automatic transmission and a drive motor, to improve the shift speed. Successive upshifts or successive downshifts are carried out with overlap during a first upshift or downshift. At least one... | 02/09/2010 |
| 7370548 | Method for controlling and regulating a transmission brake in an automatic motor vehicle transmission A method for the control and regulation of a transmission brake in an automatic transmission with a countershaft. The transmission brake arrests a transmission input shaft or a countershaft during an upshifting procedure. The speed of rotation (1) of these sh... | 05/13/2008 |
| 7373233 | System and method for controlling the coupling between the driveshaft and the primary gear shaft in a motor vehicle with a servo-controlled gearbox What is described is a control system for controlling the coupling between a driveshaft of a motor vehicle propulsion system and a primary input shaft of a gearbox by means of a servo-assisted friction clutch. A control unit receives at its input signals indi... | 05/13/2008 |
| 7370516 | Method for estimating transmission input torque A method for estimating transmission input torque is provided. The method includes identifying a plurality of measurable characteristics that influence transmission input torque. Thereafter, transmission input torque values are measured on a sample powertrain operat... | 05/13/2008 |
| 7367416 | Drive train for a motor vehicle and method for starting an internal combustion engine and method for generating electric current A drive train is proposed for a motor vehicle which is driven by an internal combustion engine, having a single friction clutch which has an input element and an output element, wherein the input element is to be connected to a crankshaft of the internal combustion ... | 05/06/2008 |
| 7351183 | Ratio shift control for a multiple ratio automatic transmission A gear ratio shift control and control method controls gear ratio upshifts in a multiple-ratio transmission for an automotive vehicle. Pressure actuated friction elements establish torque flow paths in transmission gearing as they are selectively engaged and release... | 04/01/2008 |
| 7351185 | Transmission control device of motorcycle A transmission control device for a vehicle for smoothly performing a transmission manipulation without a clutch manipulation. The device includes a control unit which determines a shift operation starting time based on a detection signal of a shift operation detect... | 04/01/2008 |
| 7344475 | Method for controlling a drivetrain of a vehicle A method for controlling of a drive train of a vehicle having a multi-group transmission, an output mechanism and a control apparatus for the regulation of the drive train. The multi-group transmission consists of an automatic transmission and a range group. To chan... | 03/18/2008 |
| 7335132 | Method for reducing a tip-in shock of an automatic transmission In the case a tip-in occurs during a downshift control in a coasting state of a vehicle, when an engine torque reduction control condition is satisfied, an engine torque is limited by limiting a throttle opening. The limited engine torque is gradually recovered to a... | 02/26/2008 |
| 7337050 | Method and apparatus for controlling a gear shift in a parallel shaft gear of a motor vehicle The invention relates to a method for controlling a gear shift, especially a pulling upshift in a parallel-shift transmission of a vehicle, said parallel-shift transmission having two transmission branches situated parallel to each other between an output shaft of a... | 02/26/2008 |
| 7332881 | AC drive system for electrically operated vehicle A drive system for an electric vehicle includes a motor for providing a drive torque and an electrically actuated brake for providing a braking torque to the motor. The system includes a controller that receives a plurality of inputs which may include a battery volt... | 02/19/2008 |
| 7318788 | Gearshift procedure for vehicles with engaged clutch-dependent power take-off Method and arrangement for providing an automatic gearshift procedure for a vehicle with engaged clutch-dependent power take-off (32) when the vehicle is in motion. The power take-off (32) is driven by an engine (1) via an automated disk clutch ... | 01/15/2008 |
| 7317979 | Speed change control system of automotive automatic transmission In a speed change control system of an automatic transmission incorporated with an engine, there are provided a speed change mechanism that is able to establish a forward speed or a reverse by engaging a hydraulically operated friction element upon switching of the ... | 01/08/2008 |
| 7300381 | Method for managing engine torque during a gear shift in an automatic shift manual transmission A method and system for controlling output torque of an internal combustion engine during a gearshift in an automatic shift manual transmission coupled to the engine is disclosed. The transmission includes a multiplicity of gears and a clutch actuated by a transmiss... | 11/27/2007 |
| 7294092 | Control of coasting downshifts in an automatic transmission for motor vehicles A method for controlling a coasting downshift in an automatic transmission having a torque converter that includes an impeller driveably connected to an engine and a turbine hydrokinetically coupled to the impeller and driveably connected to the transmission input. ... | 11/13/2007 |
| 7285073 | Engine fuel supply control device An engine fuel supply control device is configured to stop supplying fuel to an engine when specific fuel cut-off condition has been met. The timing of the fuel cut-off is delayed depending on an operating state of the vehicle. Preferably, the engine fuel supply con... | 10/23/2007 |
| 7282011 | Control apparatus for controlling stepped automatic transmission of vehicle A control apparatus for controlling a stepped automatic transmission of a vehicle having an output shaft and an input shaft which is to be connected to an engine of the vehicle through a clutch while a shifting action is being effected in the transmission. The contr... | 10/16/2007 |
| 7278952 | Terminating or disallowing signals to increase a throttle opening A throttle control system is presented. A throttle has a throttle actuator coupled to a throttle plate. A control module is coupled to the throttle actuator. The control module sends a first signal within a gear change time period to the throttle actuator to positio... | 10/09/2007 |
| 7275455 | Automatic gear system The present invention broadly comprises a method for the control of a gear engagement mechanism of an automated multiple-ratio transmission having at least one drive shaft and at least one output shaft, including assigning a synchronizer to at least one gear step, a... | 10/02/2007 |
| 7252622 | Transmission, and control system and control method for the transmission When torque transmission through the transmitting torque variable mechanism (e.g., an assist clutch) is changed to torque transmission through a meshing gearing after the gearshift, a controlled variable per unit time when the transmitting torque variable mechanism ... | 08/07/2007 |
| 7247126 | Method and apparatus for shift control of an automatic transmission Whenever a 4 to 3 shift condition is satisfied during a 3 to 4 upshift, 4 to 3 shifting is started before the 3 to 4 shifting is finished. The 4 to 3 shifting is executed according to a predetermined hydraulic control pattern. Therefore, responsiveness in shifting i... | 07/24/2007 |
| 7236869 | Blended torque estimation for automatic transmission systems A torque prediction module for an automatic transmission system includes a throttle-based torque prediction module. The throttle-based torque prediction module determines a first predicted torque of an engine in a vehicle that is based on a position of a throttle, a... | 06/26/2007 |
| 7232021 | Method and assembly for controlling a centrifugal clutch A centrifugal clutch assembly includes a sleeve movable to selectively engage the clutch assembly independent of rotational speed. The clutch assembly includes centrifugal weights that move radially responsive to rotation of the clutch assembly. The centrifugal weig... | 06/19/2007 |
| 7231286 | Engine torque reduction control method According to an embodiment of the present invention, an engine torque reduction control is not performed when an ignition timing advance condition is satisfied at an idle state, and therefore, ignition timing retardation by an unnecessary torque reduction request fr... | 06/12/2007 |
| 7231284 | Controller for hybrid vehicle In a controller unit for a hybrid vehicle, a generation controller controls the quantity of electric power generated by a motor generator, and a fuel cut controller stops fuel supply to the engine if a predetermined fuel cut condition is satisfied. The generation co... | 06/12/2007 |
| 7220213 | Vehicle control apparatus A vehicle control apparatus is configured to avoid a forward lunging of a vehicle during a downshift while decelerating. The vehicle control apparatus has a clutch element that operatively coupled to an output of an engine to perform a gear shift operation and a con... | 05/22/2007 |
| 7217223 | Vehicle with clutch for transmission of torque output of motor A vehicle comprises a motor (4) and a wet clutch (12) for transmission of torque output of the motor to road wheels of the vehicle and transmission of road load from the road wheels to the motor (4). The wet clutch is disengaged in response to a... | 05/15/2007 |
| 7214162 | Vehicle control apparatus A vehicle control apparatus is provided to synchronize the engine rotational speed during a gear shifting operation of a transmission by feedback-controlling the engine rotational speed at a level of response that is well-suited to the needs of the driver. When the ... | 05/08/2007 |
| 7214164 | Shift operation control system A shift operation control system for an outboard motor, which is capable of reducing a load acting on a shift operation lever during a shift operation and a shock occurring during the shift operation, to thereby facilitate the shift operation. The shift operation by... | 05/08/2007 |
| 7214111 | Position sensor for a gear shift assist mechanism in a marine propulsion device A shift assist mechanism is provided with a position identification device that incorporates one or more probes in association with one or more depressions that identify alignment between various positions on the piston and cylinder of the shift assist mechanism. El... | 05/08/2007 |
| 7214163 | Method and system for controlling an engine of a vehicle during an upshift of an automatic transmission Regarding torque reduction control of an engine started during an upshift, a reference deviation is set on the basis of a predetermined vehicle parameter. Accordingly, when the current turbine speed is within the reference deviation from the target turbine speed, th... | 05/08/2007 |
| 7211027 | Vehicle control apparatus operable during shifting of transmission An apparatus for controlling an automotive vehicle including an engine and an automatic transmission. The apparatus is operable upon generation of an engine-output control command requiring an output of the engine during a shift-up action of the transmission initiat... | 05/01/2007 |
