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| Number | Title | Issue Date |
| 8147379 | Shift control device of automatic transmission A control device, in which a shift-up control is automatically executed when an engine's over revolution with a turbine speed for a shift gear set by a manual shift mode exceeding a preset limit speed A is executed, is configured such that a controller detects an en... | 04/03/2012 |
| 8113988 | Hydraulic control module for vehicle transmission and diagnostic detection method for the same A detection scheme for diagnosing failure of clutch control components in a hydraulic control module of a power transmission utilizes pressure switch sensors to detect the position of each of the valves associated with the clutch control mechanization. The mechaniza... | 02/14/2012 |
| 7993243 | Detecting operation of a vehicle on an ascending grade In a vehicle that includes an engine driveably connected to the vehicle wheels, an accelerator pedal, and an electric motor for transmitting power to at least some of the vehicle wheels, a method for indicating that the vehicle is operating on a grade having positiv... | 08/09/2011 |
| 7976432 | Sequential automatic transmission To alleviate a shift shock of an automatic transmission when a vehicle travels at a certain vehicle speed and a speed range is changed over to a drive range from a neutral range. When a neutral range is selected by a range selection lever, a neutral determination pa... | 07/12/2011 |
| 7862474 | Speed change control device for automatic transmission and control method thereof A speed change control device for an automatic transmission according to this invention determines whether or not a request to downshift a gear position of the transmission exists during traveling in a manual speed change mode (S1, S2), and calculates ... | 01/04/2011 |
| 7841963 | Shift control apparatus for an automatic transmission A shift speed control that, in the case in which it is determined that reverse jump shifting, which returns to a previous shift speed, has occurred during jump shift control, a load amount determining means determines whether a load amount that is applied to frictio... | 11/30/2010 |
| 7736268 | Device for controlling an internal combustion engine In a device for controlling an internal combustion engine, with a turbo-charger, which carries out a lean combustion of a desired lean air-fuel ratio, an up-shifting of an automatic transmission is prohibited when an opening degree of the throttle valve is equal to ... | 06/15/2010 |
| 7621845 | Oil pressure supply device An oil pressure control circuit includes an oil pump for outputting an oil pressure from each of a first port and a second port, a lockup control valve for making a switchover between a state in which a secondary pressure is supplied to an engagement-side oil chambe... | 11/24/2009 |
| 7559876 | Method of detecting and preventing tie-up during a double transition up-shift A method of detecting and preventing tie-up during a double transition shift of an automatically shiftable transmission operatively connected with an engine is provided. The method includes. A) shifting the automatically shiftable transmission from an initial speed ... | 07/14/2009 |
| 7517302 | Fail control apparatus for automatic transmission There is provided a fail control apparatus for an automatic transmission, which, in the event of a friction element failure, is capable of coping with the failure by identifying a failed part without erroneous determination and within a short time. The set gear rati... | 04/14/2009 |
| 7503876 | Apparatus for and method of controlling automatic transmission In a departure standby state in which a transmission is shifted to a drive stage and a mechanical clutch is disengaged, if a vehicle speed is greater than or equal to a predetermined value, the transmission is shifted to the neutral, and then the mechanical clutch i... | 03/17/2009 |
| 7462130 | Control apparatus and control method of an automatic transmission A control apparatus and control method of an automatic transmission that establishes a plurality of speeds of different speed ratios by selectively engaging and/or releasing a plurality of engagement devices, detects abnormal engagement of at least one of the engage... | 12/09/2008 |
| 7442148 | Method for operating the drive train of a motor vehicle In a method for operating a motor vehicle in the event of a shift of a power divider actuated by external force, before the commencement of the shift of the power divider, a control device reduces the torque at the shifting members involved in the shift. The vehicle... | 10/28/2008 |
| 7419452 | Control apparatus of vehicular automatic transmission At the time of a failure in the second group of engagement devices, the manner of input of oil pressures to a fail-safe valve group is changed via a priority degree switching valve on the basis of the state of engagement of engagement devices of the first group in s... | 09/02/2008 |
| 7402123 | Automatic transmission control method and system having fail-safe function In an automatic transmission control system and method, an electronic control unit is programmed to output a command to establish another gear stage different from the gear stage at the time of occurrence of fault-induced disengagement by combination of engagements ... | 07/22/2008 |
| 7364529 | Control device for hydraulic automatic transmission for vehicle A control device for a hydraulic automatic transmission for a vehicle, including start control device for supplying a hydraulic pressure to a first hydraulic engaging element for a low-speed position and a second hydraulic engaging element for a high-speed position ... | 04/29/2008 |
| 7354378 | Motor vehicle, control unit, driving force transmission system, and motor vehicle control method A large gearshift shock that occurs if a renewed gearshift operation is forcibly carried out in order to meet a new gearshift request made through a driver's operating an accelerator pedal or a signal from an operation lever during a current gearshift operation. Gea... | 04/08/2008 |
| 7290779 | Bicycle shift control apparatus that cancels a tentative shift A bicycle shift control apparatus comprises a threshold value setting unit that sets a threshold value of a running condition for shifting a bicycle transmission, a decision unit that decides if a current running condition value passes the threshold value, and a ten... | 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 |
| 7258649 | Shift control apparatus for vehicular automatic transmission and method thereof An automatic shift control is executed in an automatic transmission with 5 shift speeds of range hold type in the highest gear stage of a shift range at the manual shift mode. Upon selection of a shift mode from the automatic shift mode to the manual shift mode, the... | 08/21/2007 |
| 7255212 | Hydraulic control circuit for automatic transmission of vehicle A hydraulic control circuit for an automatic transmission of a vehicle, the transmission including hydraulically operated coupling devices at least one of which is selectively operated to establish a corresponding one of speed steps, the hydraulic control circuit in... | 08/14/2007 |
| 7243567 | Operating position select device for automatic transmission An operating position select device has a select lever unit, a mode shift unit to shift operation modes of the automatic transmission, a mechanically connecting means connecting them, and an assist actuator to apply assist force to a select lever of the select lever... | 07/17/2007 |
| 7235035 | Release clutch for a vehicle A vehicle includes an engine that powers a wheel through a drive train. The drive train includes a continuously variable transmission (CVT) and toothed gearing disposed between the CVT and the wheel. A release clutch is also disposed between the CVT and the wheel. A... | 06/26/2007 |
| 7229384 | Drive train and method for controlling a drive train A method for controlling a drive train (40) of a motor vehicle (42), to a method for controlling a clutch device (46), and to a drive train of a motor vehicle (42), said drive train (40) being operated in a first operating mode, th... | 06/12/2007 |
| 7226387 | Control system for regulating a ground speed of a vehicle A system is provided for regulating a ground speed of a vehicle having an engine and a variable transmission that is driven by the engine. The system includes a mode selector that is movable for selection between a high speed mode of operation and a deceleration mod... | 06/05/2007 |
| 7222005 | Abnormal oil pressure reduction determination device for vehicle transmission An abnormal oil pressure reduction determining device has an oil pressure sensor which detects a real oil pressure, a sensor which detects a vehicle running state, and a controller which sets an oil pressure command value for an oil pressure control mechanism. The c... | 05/22/2007 |
| 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 |
| 7214165 | Method of automatically flushing debris from an electrically-operated hydraulic valve The normal control of an electrically-activated hydraulic valve armature is overridden to automatically and periodically open the armature for flushing out debris that has accumulated between the armature and a seat that the armature is designed to engage. The valve... | 05/08/2007 |
| 7211026 | Drive train and method for controlling and/or regulating a drive train The invention relates to a method for controlling and/or regulating a drive train in a vehicle with an engine and a gearbox, especially an automatic gearbox, whereby depending on a warning signal and a stopping request of the driver an engine stalling aid is launche... | 05/01/2007 |
| 7201077 | Automatic transmission shift range display structure An automatic transmission shift range display structure is configured to make it possible to visually confirm that an automatic shift lever with a manual mode is in the manual mode. The automatic transmission shift range display structure has a shift lever with a ra... | 04/10/2007 |
| 7176643 | Motor control apparatus Before an amount of play in a rotation transmitting system is learned, for selecting a gear range, an overshooting control process is performed to cause the angular displacement of a motor to overshoot a target gear range position and then reverse the electric motor... | 02/13/2007 |
| 7146264 | Method and system for controlling an automatic transmission using a GPS assist having a learn mode A method and system for controlling an automatic transmission is disclosed. The method and system include obtaining positioning data using a global positioning satellite (GPS) and monitoring the automatic transmission to obtain transmission data. The method and syst... | 12/05/2006 |
| 7134536 | Hydraulic control circuit for automatic transmission of vehicle A hydraulic control circuit for an automatic transmission of a vehicle, the transmission including hydraulically operated coupling devices at least one of which is selectively operated to establish a corresponding one of speed steps, the hydraulic control circuit in... | 11/14/2006 |
| 7132934 | Ignition safety device and method therefor An ignition safety system and method. A control circuit is coupled to a warning circuit indicating a safety condition. The control circuit is further coupled to a fuse circuit to control an operation of a motor ignition circuit in response to the safety condition. | 11/07/2006 |
| 7128686 | Method and apparatus for synchronized PTO control in a motor vehicle powertrain One or more friction devices of a transmission coupled to an engine through a fluid coupling are used during engine neutral idle operation to control the state of the fluid coupling for synchronous engagement and disengagement of a PTO input gear with a transmission... | 10/31/2006 |
| 7104916 | Planetary transmissions having a stationary fixed interconnection and providing at least eight speed ratios The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ... | 09/12/2006 |
| 7104910 | Hydraulic control apparatus for hydraulically operated mechanical apparatus A hydraulic control apparatus for switching an operation of a hydraulically operated mechanical apparatus, by selectively operating two frictional engagement elements of a first, a second, a third, and a fifth frictional engagement elements, the hydraulic control ap... | 09/12/2006 |
| 7104914 | Planetary transmissions having two fixed interconnections and a stationary gear member The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ... | 09/12/2006 |
| 7089104 | System and method for inhibiting torque steer A method and system for inhibiting torque steer in a vehicle equipped with steerable wheels that are power driven. The method determines a maximum engine torque limit, determines an estimated driver-desired torque, and controls the actual torque, by adjustment of th... | 08/08/2006 |
| 7082851 | Hydraulic servo assembly for an internal electronic transmission range selection (ETRS) system A hydraulic servo assembly includes a piston slidably disposed within a housing and a pin extending from the piston. The pin is interconnected with a servo link rod of the ETRS system. A port enables inlet of hydraulic fluid to induce movement of the piston and the ... | 08/01/2006 |
