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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8133152 | Control device for power transmission device for vehicles A power transmission device for a vehicle having a clutch 3 between an engine 1 and a transmission 4, preventing variation in the engine torque and shift shock when the engine control mode returns from an engine control at the time of shifting b... | 03/13/2012 |
| 7946953 | Dual clutch transmission A dual clutch transmission includes a group of odd-numbered speed drive trains, including at least a first speed drive train to be driven for setting a first speed serving as the lowest speed; a first clutch to be engaged for driving any one of the odd-numbered spee... | 05/24/2011 |
| 7878942 | Method for shifting actuation of an automated 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... | 02/01/2011 |
| 7806804 | Method for shifting a gear in a multi-stage gearbox of a motor vehicle as a function of the drive input shaft rotational speed Method for shifting, in particular engaging and/or disengaging, gears in an automatic multi-stage gearbox of a motor vehicle, wherein the gearbox comprises a drive input shaft (18) connectable to an engine drive output shaft (16) by means of a friction... | 10/05/2010 |
| 7780570 | Apparatus for and method of controlling power train, and storage medium storing program for implementing the method An ECU executes a program for implementing a method that includes: a step of performing control so that torque capacity Tch of a frictional engagement device that is brought from an engaged state into a disengage state by a downshift operation is gradually reduced t... | 08/24/2010 |
| 7727111 | Vehicle driveline control including open clutch indicator A vehicle driveline control system includes monitoring when the transmission is in gear and the clutch is left open. If that condition exists for a selected amount of time, the controller provides an indication to the driver regarding the open clutch status. In one ... | 06/01/2010 |
| 7601094 | Method of clutch pressure regulation during downshift of a vehicle with automatic transmission A method for maintaining a fuel cut function in a vehicle wherein, depending on the rate of vehicle deceleration, the pressure upon the lock-up and shift clutches associated with the vehicle's automatic transmission is changed accordingly. This is unlike prior pract... | 10/13/2009 |
| 7534195 | Method of controlling a vehicle and system of controlling the same At the time of shifting from one gear train among a plurality of gear trains to another gear train, a transmission for controlling a transfer torque variable mechanism and supplementing torque during shifting, during a period of transferring at least a part of torqu... | 05/19/2009 |
| 7524264 | Vehicle controller of a vehicle power transmission device In a vehicle power transmission device equipped with an automatic clutch, the gear-change for shifting up is effected suppressing a sudden increase in the engine rotational speed that results when the automatic clutch is disconnected, preventing deterioration in the... | 04/28/2009 |
| 7513849 | Automated transmission controller and vehicle including the automated transmission controller A transmission controller can be configured to initially operate a shift actuator to start a gear change process. Additionally, the controller can be configured to perform a process for reducing engine driving force, such as, but without limitation, an ignition dela... | 04/07/2009 |
| 7497804 | Automatic gearshift control device and vehicle A target value of a reduction rate of a difference in clutch rotational number can be set on the basis of a result of detection of a throttle opening sensor and the target value setting table in half-clutch control. Then, the difference in clutch rotational number c... | 03/03/2009 |
| 7468018 | System and method for matching engine speed to vehicle speed with a manual transmission A method of automatically matching engine speed to vehicle speed while a manual transmission is shifted. The currently selected speed ratio is determined from the ratio of engine speed and vehicle speed. The operator initiates a shift by disengaging the clutch. The ... | 12/23/2008 |
| 7417401 | Method and device for operating a drive mechanism A method for operating a drive mechanism comprising bringing a mobile element into a predetermined reference position with the help of an engine and setting an absolute position signal to a reference value allocated to a reference position; changing the position of ... | 08/26/2008 |
| 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 |
| 7344474 | Control for selecting automated transmission system shift strategy A control for an automated mechanical transmission system (10) including, an automated master clutch (20/39). The system controller (46) will sense vehicle operating conditions (54) to command the most appropriate of dynamic shifts perfor... | 03/18/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7207924 | Vehicle trajectory control system A method for controlling an engine coupled to a transmission is described. The method is suited for a transmission having at least one gear in which an over-running clutch is present. The invention describes a method for adjusting an engine operating parameter to ma... | 04/24/2007 |
| 7171867 | Multi-clutch system with blended output system for powertrain transmissions A transmission system is provided utilizing multiple sets of clutch friction elements, each engaged to transfer torque from a torque input, such as an engine, to different gear ratios. The sets of clutch friction elements are operated simultaneously to provide a ble... | 02/06/2007 |
| 7156376 | Carburetor electronic control system A carburetor electronic control system includes: transmission devices coupled to valves for opening and closing an intake path of a carburetor; electric motors that make the valves open and close via the transmission devices; and an electronic control unit for contr... | 01/02/2007 |
| 7147588 | Upshift control method of an automatic transmission Fuel mileage and shift feel are significantly enhanced from an upshift control method of an automatic transmission that includes determining whether a fuel cut control is executed when the damper clutch is in the direct engagement state before an upshift. Performing... | 12/12/2006 |
| 7111699 | Engine governor system A governor system for limiting the ground speed of a vehicle and maintaining an idle speed of the engine. The governor system includes a first feedback shaft operably coupled with a transmission of the vehicle to provide a first feedback torque in response to a grou... | 09/26/2006 |
| 7107870 | Motor vehicle comprising a drive train having a multiple clutch drive A motor vehicle includes a drive train having a drive unit, a gearbox having a first gearbox input shaft and a second gearbox input shaft, and a clutch having a first clutch device which is associated with the first gearbox input shaft, and a second clutch device wh... | 09/19/2006 |
| 7099762 | Powertrain of a motor vehicle and method for controlling said powertrain The power train (1) includes a controlled drive source (3), a clutch (6), an automatically shifting transmission (7) and a data transmission device (2). The power train contains an additional drive source (12) and is fitted ... | 08/29/2006 |
| 7090615 | Method of controlling a vehicle and system of controlling the same At the time of shifting from one gear train among a plurality of gear trains to another gear train, a transmission for controlling a transfer torque variable mechanism and supplementing torque during shifting, during a period of transferring at least a part of torqu... | 08/15/2006 |
| 7086989 | Control method for shifting a powershift transmission In a transmission during a shifting process while torque is transferred from a power-outputting clutch, which is initially in the adhered state, to a power-receiving clutch, which is initially open, the power-receiving clutch increases torque capacity in a slip regi... | 08/08/2006 |
| 7056264 | Method and device for controlling gear ratio change in a transmission contained in the drive train of a motor vehicle with gears that can be shifted under power In a parallel manual transmission, an upshifting under power is executed based upon preset operating conditions, for example with a fully depressed accelerator pedal, without an electronically controlled, load-reducing ignition retard. When shifting to a higher gear... | 06/06/2006 |
| 7048672 | Method for controlling the shifting of an automated twin-clutch transmission A method for controlling the shifting operation of an automated twin-clutch transmission includes executing a shifting operation between a load gear and a target gear assigned to a first transmission unit by using an intermediate gear assigned to a second transmissi... | 05/23/2006 |
| 7044260 | Vacuum actuated direction and speed control mechanism An electronic control system for shifting the direction in an off road vehicle such as a lawn and garden tractor or a utility vehicle is disclosed. The control system consists of a control mechanism that activates a control circuit that in turn activates an actuator... | 05/16/2006 |
| 6997849 | Control for selecting automated transmission system shift strategy A control for an automated mechanical transmission system (10) including, an automated master clutch (20/39). The system controller (46) will sense vehicle operating conditions (54) to command the most appropriate of dynamic shifts perfor... | 02/14/2006 |
| 6974402 | Launch control of hybrid electric vehicle having a torque converterless driveline A powertrain assembly for an automotive vehicle having an internal combustion engine, transmission, electric induction motor, a clutch for connecting and releasing the engine and transmission, and a controller for controlling the state of engagement and disengagemen... | 12/13/2005 |
| 6969338 | Method for controlling and regulating a drive train Described is a method for controlling and regulating a drive train of a vehicle comprising one drive unit, one transmission and one output unit. The transmission has controllable free-wheel device corresponding with toothed wheel pairs for disconnecting or connectin... | 11/29/2005 |
| 6957986 | Compressible pin assembly A compressible pin assembly includes a barrel, a contact pin and an elastic element. The contact pin is arranged within the barrel. The contact pin has a contact element. The elastic element is arranged within the barrel to bias the contact pin, so that the contact ... | 10/25/2005 |
| 6953410 | Automatic selection of start gear An automated clutch system for transferring torque from an engine to a change gear transmission is connected to a processing unit which uses various input parameters to calculate the grade on which the vehicle is operating and its current weight to determine an appr... | 10/11/2005 |
| 6949051 | Multistage automatic transmission A device is provided that issues a vehicle speed signal representative of a vehicle speed. A control unit is configured to carry out when, upon the transmission assuming the second speed, the vehicle speed represented by the vehicle speed signal becomes equal to or ... | 09/27/2005 |
| 6947821 | System and method for controlling an automatic transmission Parameter values related to hydraulic pressure characteristics of a solenoid valve in an automatic transmission are stored in a memory associated with a transmission main body. When a transmission control unit for controlling the transmission main body is installed ... | 09/20/2005 |
| 6941209 | Adaptive customer driveability module An engine control system and method adjusts vehicle driveability based on input from a vehicle operator. A selector switch includes a plurality of selector settings corresponding to a plurality of drive modes. The selector switch is moveable between the plurality of... | 09/06/2005 |
| 6935204 | Automated manual transmission and shift method A shift control method for an automated manual transmission is provided. The method includes the step of modulating the force applied to a shift collar, via a shift rod and/or shift fork for example, during the engagement of the shift collar and a selected gear. The... | 08/30/2005 |
