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| Number | Title | Issue Date |
| 8317005 | Method for reducing the noise in the drive train of a motor vehicle A method reduces the noise in the drive train of a motor vehicle having an automatic transmission or a manual transmission with a controllable oil pressure supply and/or automatic starting clutch. An engine sided drive unit is connected to the transmission input sha... | 11/27/2012 |
| 7681703 | Procedure and a control apparatus for the safe division of a drivetrain The invention concerns a procedure and a control apparatus for the control of a drivetrain, which comprises at least one automatic clutch, at least one automatic shifting transmission, one control apparatus for the control of the at least one automatic clutch and of... | 03/23/2010 |
| 7416514 | Method and system for controlling at least one actuator in the drive train of a motor vehicle The invention relates to a method and device for securely and comfortably operating a drive train of a motor vehicle, especially for operating a drive train with several clutches. ... | 08/26/2008 |
| 7377374 | Method for determining a point of application of the clutch for an automatic gearbox The invention relates to a method for determining a point of application of the clutch of an automatic gearbox without a synchronised reverse action. The aim of said invention is to improve the determination of the point of application avoiding the use of sensorial ... | 05/27/2008 |
| 7341394 | Gear shift mechanism gate plate assembly and method for producing same A plate-like functional component and method of making same, in particular a gate plate of an automatic gear shift mechanism with locking gate is provided. The gate plate includes engagement holes for engagement elements which kinetically interact with the functiona... | 03/11/2008 |
| 7318513 | Multi-function centrifugal clutch A clutch assembly includes a reaction surface that provides several disengagement surfaces that cause axial movement of a front plate to reduce torque transmission at rotational speeds above an engagement speed. The disengagement surfaces reduce torque to break torq... | 01/15/2008 |
| 7317978 | Driving force control apparatus for vehicle A driving force control apparatus for a vehicle includes a first sensor that detects an output command supplied to a power source, a second sensor that detects an operating condition amount of a vehicle and a controller. The controller calculates a basic command val... | 01/08/2008 |
| 7308837 | Automated manual transmission control apparatus An automated manual transmission control apparatus includes: a clutch; a transmission including: an input shaft; an output shaft; at least one forward shift stage gear; at least one synchromesh mechanism; and at least one reserve shift stage gear; an input shaft rot... | 12/18/2007 |
| 7243767 | Transmission hydraulic control unit A hydraulic system of a transmission, for an automatic transmission of a motor vehicle, having several pressure circuits which can be loaded with hydraulic fluid from a pressure source and in relation to the supply of different areas of the transmission are differen... | 07/17/2007 |
| 7237661 | Integral input shaft brake and disconnect apparatus An input shaft brake and disconnect apparatus is provided in a housing between an engine and a transmission. The disconnect apparatus has a first cavity that receives pressurized fluid causing a piston to shift and disconnect an input shaft from a clutch. Pressurize... | 07/03/2007 |
| 7220216 | Lock-up clutch control device A lock-up clutch control device for controlling a lock-up clutch mechanism provided to a torque converter is including an estimator means for estimating a contact timing of a friction material included in the lock-up clutch mechanism during a driven state based on a... | 05/22/2007 |
| 7219782 | Device and method for detection of a gear position in an automotive gearbox A gear position in an automotive gearbox is detected on the basis of measuring a value indicative of the speed of a rotating shaft between an engine and the gearbox, and a value indicative of the speed of an output shaft from the gearbox, and calculating a quotient ... | 05/22/2007 |
| 7188717 | Control apparatus for power train including continuously variable transmission A control apparatus for a power train including a continuously variable transmission and a clutch arranged in series with the continuously variable transmission is provided in which an engaging pressure of the clutch is first reduced until a slip occurs, and is then... | 03/13/2007 |
| 7189184 | Control system for continuously variable transmission of vehicle The control system comprises: an operating state changing mechanism for an operating state of the prime mover in response to a satisfaction of learning execution condition of the clamping pressure; a torque change suppressing mechanism for suppressing a change in a ... | 03/13/2007 |
| 7182710 | Observer-based control method for automatically shifting a manual transmission A method of controlling the shifting of an automatic manual transmission is based on observer-based timing of different phases of the shift process. The observer-based control strategy includes simultaneous management of the engine throttle and transmission actuator... | 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 |
| 7163481 | Driving force transmitting system A manual valve is provided between a mechanical oil pump and a clutch of an automatic transmission device for connecting an engine with the automatic transmission device, a first check valve is provided in a passage connecting the mechanical oil pump with the manual... | 01/16/2007 |
| 7134983 | Shift control method of automatic transmission for vehicles A shift control method and system for an automatic transmission. The control method includes calculating a clutch engaging pressure for each shift speed corresponding to an engine load and calculating an optimal engaging pressure for an operating clutch in each shif... | 11/14/2006 |
| 7124867 | Traveling transmission of working vehicle In a traveling transmission in which an auxiliary transmission is interposed between a main clutch and a mechanical transmission, the auxiliary transmission is configured such that power transmission is cut out interlockingly with the disengagement operation of the ... | 10/24/2006 |
| 7093511 | Transmission A power transmission for a motor vehicle. The transmission includes a plurality of transmission ratio steps defined by pairs of gear carried on parallel shafts, and final output mechanisms for engaging desired transmission ratio steps. The final output mechanisms ar... | 08/22/2006 |
| 7073645 | Control of a drivetrain A control of a drive train for a wheel loader having one pressure-medium actuated brake and one transmission operated via a torque converter and at least one forward and/or reverse gear respectively actuated via a power shift clutch and one power take off wherein, w... | 07/11/2006 |
| 7059433 | Riding lawn mower A transmission for speed changing and steering of a vehicle comprises a first HST and a first differential for speed changing and a second HST and a second differential for steering. The first HST is a combination of a hydraulic pump and motor. The pump is driven by... | 06/13/2006 |
| 7048104 | Selective bypass of solenoid-controlled supply to friction elements of an automatic transmission A hydraulic system for controlling the engagement and disengagement of a friction element includes a source of line pressure, a source of exhaust pressure, a manual valve having a forward state and a reverse state, connected to the exhaust pressure source and line p... | 05/23/2006 |
| 7011197 | Clutch control system and method A clutch control system for a standard transmission includes a gearshift lever sensor that is mechanically coupled to the gearshift lever to sense the position thereof and produce a gear state signal. A monitor device is also provided to produce a signal correspondi... | 03/14/2006 |
| 7000497 | Selectively positionable gearshift and method An adjustable gearshift assembly (10, 130) for connecting by a bracket (16) to a transmission of a motor vehicle, providing a shifter knob (12, 132) movable to a selected position relative to an elongate member (14, 144). The shifter knob... | 02/21/2006 |
| 7001299 | Control apparatus of automatic transmission According to an aspect of the present invention, an automatic transmission includes plural friction engaging elements configures plural shift ranges based on combinations of each friction engaging element being in engaging or disengaging condition, a controlling uni... | 02/21/2006 |
| 6997831 | Vehicular transmission A transmission equipped with a continuously variable ratio-change mechanism CVT and a LOW rotational transmission mechanism GT, which are disposed parallel with each other, comprises a forward clutch 65 and a reverse brake 66, which are used to set a p... | 02/14/2006 |
| 6974009 | Control apparatus for power train including continuously variable transmission A control apparatus for a power train including a continuously variable transmission and a clutch arranged in series with the continuously variable transmission is provided in which an engaging pressure of the clutch is first reduced until a slip occurs, and is then... | 12/13/2005 |
| 6948394 | Transmission A transmission includes an input shaft, an output shaft, a first layshaft disposed parallel to the input shaft and the output shaft, a speed reduction gear connected between the output shaft and the first layshaft in a constant-mesh manner, and a plurality of transm... | 09/27/2005 |
| 6937932 | Detecting the clutch state during engine drag torque regulation A method and a device for detecting the clutch state in a motor vehicle, in particular during engine drag torque regulation, is described. A particularly simple and cost-effective method of detecting the clutch state is made possible by determining the engine speed ... | 08/30/2005 |
| 6913104 | Shift interlock mechanism A shift interlock mechanism that requires an operator to press a brake mechanism before changing transmission gears to prevent extra motion in the transmission, insuring a smoother shifting operation. The shift interlock mechanism with a brake arm that moves in a fi... | 07/05/2005 |
| 6910983 | Power transfer apparatus of four-wheel drive vehicle and device for controlling torque A power transfer apparatus 1 of a four-wheel drive vehicle includes, a clutch, an inversion detector, and controller. The clutch generates an engagement force that effects a driving force output from an engine to wheels of the vehicle via a transmission. The ... | 06/28/2005 |
| 6872164 | Clutch braking in a multi-speed transmission An apparatus for clutch braking in a multi-speed transmission comprising a prime mover, a transmission system, an output shaft and a torque converter. The transmission comprises a first stage and a second stage wherein the first stage comprises at least two range cl... | 03/29/2005 |
| 6871734 | Motor vehicle with overspeed protector for the prime mover The invention pertains to a motor vehicle with overspeed protector. The clutch in the power train of the motor vehicle can be operated in dependency upon the engine speed in such a way that it is disengaged or operates with slip when the engine speed exceeds a prese... | 03/29/2005 |
| 6848548 | Hydraulic regulating system for a vehicle transmission Hydraulic control system for a vehicle transmission connected to an output shaft from a hydraulic torque converter (1) with a hydraulically operated disc clutch for locking the torque converter and which has two hydraulically operated disc clutches for shifti... | 02/01/2005 |
| 6848549 | Method and apparatus for operating an automated change-speed gearbox The invention relates to a method and an apparatus for operating an automated change-speed gearbox of a motor vehicle. The control device of the change-speed gearbox communicates via signals with a control unit of an anti-block control system. To allow particularly ... | 02/01/2005 |
| 6745878 | Transmission clutch interlock An interlock mechanism is provided for a transmission system having a gear unit with a plurality of selectable gear ratios. A manually operated clutch control pedal is manually movable from a clutch engaged position to a clutch disengaged position. The transmission ... | 06/08/2004 |
| 6742639 | Control apparatus for controlling a shift operation in an automatic transmission A control apparatus for controlling a shift operation sets an output Mout from a reference model M(s), which is ideally changed, as a target slip amount of a feedback controller Cpi(s). The controller Cpi(s) controls torque transmitted to an off-going friction engag... | 06/01/2004 |
| 6719109 | Method for controlling a bi-directional clutch A method for the control of a bi-directional overrunning clutch assembly (10) disposed within a vehicle transmission, including the steps of initiating a drive function control routine (112) within an electronic control unit and sensing the commanded g... | 04/13/2004 |
| 6676562 | Automatic clutch engagement controlled by engine speed In a vehicle transmission system including a transmission having an input shaft driven by an engine, an output shaft, and a clutch for controlling the transfer of torque from the input shaft to the output shaft, the clutch is controlled by sensing the spe... | 01/13/2004 |
