| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 701052000 | Semiautomatic control (e.g., switchable between automatic and manual) | 68 |
| 20080208419 | Device and Method for Controlling an Automatic Transmission in a Motor Vehicle - The invention relates to a device and a method for control of an automatic transmission ( | 08-28-2008 |
| 20080221760 | AUTOMATIC TRANSMISSION CONTROL SYSTEM AND CONTROL METHOD - Automatic transmission control system and control method have the functions or steps of: controlling shifting of an automatic transmission installed on a vehicle, in one of an automatic shift mode in which shifting of the automatic transmission is carried out based on a shift diagram, and a manual shift mode in which shifting of the automatic transmission is manually carried out; detecting at least one shift command of an upshift command for shifting up the automatic transmission and a downshift command for shifting down the automatic transmission, the shift command being manually entered; measuring a shift command time for which the shift command is detected; and switching from the automatic shift mode to a shift inhibition mode in which shifting of the automatic transmission is inhibited, without switching to the manual shift mode, based on the measured shift command. | 09-11-2008 |
| 20090012682 | Systems and methods for user control of vehicular transmission shift points - Systems and methods for user control of vehicular transmission shift points. In one embodiment, a user may control a transmission shift point by adjusting a selector having non-discrete selectable positions. Such selector may generate a signal indicative of its position to a transmission controller. The transmission controller may receive the signal from the selector and determine at least one transmission shift point based upon the selector position. The transmission controller may thereby control the transmission to effectuate a gear change when the shift point is achieved. In some embodiments, the selector may comprise a rotary potentiometer, a rotary encoder, an inline potentiometer, an inline encoder or the like. | 01-08-2009 |
| 20090088935 | CONTROL APPARATUS AND CONTROL METHOD FOR AUTOMATIC TRANSMISSION - If a mode-detection value is switched from an automatic shift-mode to a manual shift-mode, a T-ECU changes a shift-stage to a speed lower than a speed that is obtained before the switching of the mode-detection value. The T-ECU determines that a state of the T-ECU returns to a recognizable-state, in which a mode-selection value can be recognized, from an unrecognizable-state, in which the mode-selection value cannot be recognized. The T-ECU sets the shift-stage to a hold value after the return. The T-ECU controls the shift-stage in the automatic shift-mode “D” over a standby-period after the return. The T-ECU controls the shift-stage in the automatic shift-mode “D” until the detection of the operation of the shift-lever after the standby-period passes. | 04-02-2009 |
| 20090132133 | CLUTCH CONTROL SYSTEM FOR TRANSMISSION - A clutch control system for a transmission for detecting if hydraulic control during shifting is not executed. A first clutch and a second clutch are switched from a disengagement state to an engagement state by receiving a predetermined pressure generated by a hydraulic pump. A transmission executes shifting to an adjacent gear step by operation of switching the engagement state of the first clutch and of the second clutch from one side to the other side. If an elapse time t from the start of clutch switching operation reaches a predetermined time and an input-output speed ratio which is a ratio between engine speed and counter shaft rotational number falls within a predetermined range corresponding to a gear step before shifting, the transmission control unit discontinues the clutch switching operation by stopping the supply of hydraulic pressure to the other side clutch to bring it into the disengagement state. | 05-21-2009 |
| 20090171539 | Control apparatus for automatic transmission - A control apparatus for an automatic transmission capable of operating in an automatic shift mode in which a speed ratio is automatically selected based on driving conditions of a vehicle, and a manual shift mode in which the speed ratio is changed based on an upshift command and a downshift command by manual operation of a manual operation unit, the control apparatus includes a controller that operates in a jumping shift mode that is included in the manual shift mode and that is composed of a smaller number of shift speeds than a number of shift speeds of the automatic shift mode; wherein the controller performs a downshift from a shift speed of the jumping shift mode at a time when the downshift command is issued by an operation of the manual operation unit based on the shift speed of the jumping shift mode. | 07-02-2009 |
| 20090171540 | Control device for automatic transmission - A control device for an automatic transmission capable of operating in an automatic shift mode in which a gear ratio is automatically selected based on driving conditions of a vehicle, and also capable of operating in a manual shift mode in which the gear ratio is changed based on an upshift command or a downshift command by manual operation of a manual operation device, the control device includes a manual shift control unit that changes and sets the gear ratio after downshift depending on a degree of requirement for deceleration based on a driving operation when the downshift command has been operated by the manual operation device in the manual shift mode, and performs the downshift to the gear ratio that has been changed and set. | 07-02-2009 |
| 20090171541 | Control system for automatic transmission - A control system for an automatic transmission is provided with a manual shift mode capable of performing a shift command made by manual operation. While in the manual shift mode and during the operation of a downshift command generated by a shift lever, a manual shift control unit calculates a degree of power required by a driver that, for example, takes into consideration an operation intent of the driver and a road condition. A post-downshift shift speed is then determined in accordance with the degree of required power and downshifting performed. By performing only one downshift command through manual operation, downshifting in accordance with the degree of power required by the driver is performed. Downshifting to a shift speed desired by the driver can thus be promptly performed, without the operation becoming a burden. | 07-02-2009 |
| 20090171542 | Control device for automatic transmission - A control device for an automatic transmission capable of operating in an automatic shift mode in which a gear ratio is automatically selected based on driving conditions of a vehicle, and also capable of operating in a manual shift mode in which the gear ratio is changed based on an upshift command or a downshift command by manual operation of a manual operation device, the control device includes a manual shift control unit that changes and sets the gear ratio after downshift depending on road conditions when the downshift command has been operated by the manual operation device in the manual shift mode, and performs the downshift to the gear ratio that has been changed and set. | 07-02-2009 |
| 20090240405 | SHIFT CONTROL APPARATUS AND METHOD FOR CONTINUOUSLY VARIABLE TRANSMISSION - An ECT-ECU executes a program that includes a step of executing a stepped shift control if cruise control is not being executed during sequential shift control (stepped shift control) and a step of executing stepless shift control in response to cruise control being activated during sequential shift control (stepped shift control). | 09-24-2009 |
| 20090299585 | GEAR AND MODE SELECTION FOR TRANSMISSIONS USING A SINGLE INPUT DEVICE - A transmission of a vehicle has a first gear and a second gear that corresponds to a lower gear ratio than the first gear. A transmission management system for the transmission comprises an enabling module, a shift control module, and a disabling module. The enabling module enables a second gear start mode of the transmission when a vehicle speed is less than a predetermined speed. The shift control module commands operation of the transmission in the second gear when the second gear start mode is enabled. The disabling module selectively disables the second gear start mode when a user commands a gear shift to the first gear while the second gear start mode is enabled and prevents the enabling module from re-enabling the second gear start mode after the second gear start mode is disabled. | 12-03-2009 |
| 20100010716 | CONTROL DEVICE FOR VEHICULAR AUTOMATIC TRANSMISSION - A control device for an automatic transmission | 01-14-2010 |
| 20100017078 | METHOD FOR CONTROLLING AN AUTOMATED VEHICLE CHANGE-SPEED GEARBOX - A method for controlling an automated vehicle transmission during the process of starting such that a gear is selected, depending on predetermined criteria, and engaged by a transmission control device. For maintaining the availability of the vehicle, so far as possible, even if there is a failure in the gearshift system, the method provides that if a gear preselected by the driver or by a starting strategy system should fail, a substitute gear is engaged automatically. To give the driver enough time to react appropriately to the unexpected starting situation, a delayed starting sequence (substitute starting mode), which is implemented by an electronic vehicle control system, is independent of the dynamics of accelerator pedal actuation. | 01-21-2010 |
| 20100049411 | VEHICLE CONTROL APPARATUS - A downshift allowable vehicle speed is variably set according to a torque converter slippage amount. Specifically, a downshift allowable vehicle speed is variably set by, using a reference downshift allowable vehicle speed when the torque converter slippage amount is 0 and a gear ratio of the automatic transmission after a downshift, calculating an allowable vehicle speed correction amount based on the present torque converter slippage amount and the gear ratio after the downshift, and setting a value obtained by subtracting the allowable vehicle speed correction amount from the reference downshift allowable vehicle speed as the downshift allowable vehicle speed. By such setting, it is possible to set a higher downshift allowable vehicle speed as the torque converter slippage amount becomes smaller, so it is possible to expand a downshift allowable region when the manual gearshift mode is selected. | 02-25-2010 |
| 20100100289 | SHIFT CONTROL APPARATUS FOR VEHICULAR CONTINUOUSLY VARIABLE TRANSMISSIONS - A shift control apparatus for vehicular continuously variable transmissions is equipped with a related value calculating portion ( | 04-22-2010 |
| 20100100290 | METHOD TO CONTROL A MOTOR VEHICLE DRIVETRAIN - The invention concerns a method for controlling a motor vehicle drivetrain which comprises a drive motor, a multi-step, automated change-speed transmission and an automated separating clutch arranged between the drive motor and the transmission, and a shifting device with a selector lever which can be moved at least from a particular position in an upshift direction (“+” direction) for manually initiating an upshift and in a downshift direction (“−”) for manually initiating a downshift, and in which the transmission and the separating clutch can be controlled by a transmission control unit which is connected at least to a speed sensor, a brake pedal actuation sensor and a selector lever actuation sensor, such that when the motor vehicle is rolling with its drivetrain open the closing of the drivetrain is initiated by actuating the selector lever. | 04-22-2010 |
| 20100174458 | SHIFT CONTROL DEVICE FOR VEHICULAR AUTOMATIC TRANSMISSION - A shift control device is provided with a structure wherein when a driver selects a manual shift mode, an appropriate shift level is set as an initial shift level in conformity to a driver's will to have or not to have a drive-force source braking effect. When a shift lever | 07-08-2010 |
| 20100185367 | METHOD FOR CONTROLLING AN AUTOMATED MULTISTEP CHANGE-SPEED GEARBOX - A method of controlling an automated multi-step change-speed transmission of a vehicle having an electronic control unit connected to sensors for detecting operating parameters and to gear and/or clutch control elements for carrying out shift operations. The control comprises a data memory such that the multi-step change-speed transmission can be operated automatically to initiate gearshifts in an automatic mode, manually initiated by a driver in a manual mode to provide gearshifts, and manually actuated in a learning mode in which gearshifts and operating parameters can be recorded automatically. When necessary to assist technicians in the application of the transmission, a configuration-learning mode that can be activated in which, during a test drive with manual gearshift initiation, operating parameters are automatically detected in an event-dependent manner, processed to produce control data for the transmission, and the control data stored in the data memory for the future control of the transmission. | 07-22-2010 |
| 20100292899 | AUTOMATIC TRANSMISSION CONTROL APPARATUS AND METHOD - When an automatic transmission is in a manual mode, a transmission ECU calculates a speed sftrng manually requested by the driver and a speed sftrngmap set by a shift map and then performs a shift prohibition procedure. In this procedure, if the engine coolant temperature is equal to or lower than a predetermined coolant temperature or the AT fluid temperature is equal to or lower than a predetermined fluid temperature, a prohibition, determination flag xthlow is set to “on”, and if the engine coolant temperature is higher than the predetermined coolant temperature and the AT fluid temperature is higher than the predetermined fluid temperature, the prohibition determination flag xthlow is set to “off”. When the prohibitions determination flag xthlow is “on”, the speed sftrngmap is set as the upper limit of the speed sftrng. | 11-18-2010 |
| 20100318267 | CONTROL DEVICE FOR AUTOMATIC TRANSMISSION OF VEHICLE - A driving force margin of a vehicle is calculated on the basis of an engine load, vehicle speed, travel resistance and estimated uphill gradient. A gear is determined on the basis of predetermined gear shifting characteristics at least from the vehicle speed and the engine load in an automatic shift mode. Automatic down shift is generated in the case where the vehicle speed becomes lower than vehicle speed on an automatic down shift vehicle speed table set up in accordance with the gear when the operation is switched from the automatic shift mode to a manual shift mode. The automatic down shift vehicle speed table is corrected so as to shift an automatic down shift line to a high vehicle speed side or low vehicle speed side in accordance with the magnitude of the calculated driving force margin of the vehicle. | 12-16-2010 |
| 20110093172 | GEAR ACTUATOR CONTROL SYSTEMS AND METHODS FOR DUAL CLUTCH TRANSMISSIONS - A control system for a dual clutch transmission (DCT) of a vehicle comprises a difference module, a summer module, and a position control module. The difference module determines a difference between a desired position for a gear actuator and a measurement of a current position of the gear actuator. The summer module determines a sum of a derivative of the difference and a product of the difference and a predetermined gain. The position control module controls the current position of the gear actuator based on the sum. The current position of the gear actuator controls a position of a gear synchronizer that slides along an output shaft of the DCT. The position of the gear synchronizer controls coupling of a gear ratio with the output shaft. | 04-21-2011 |
| 20110106386 | Control System for a Vehicle having a Transmission with Autoshift Function - A control system and method for a vehicle having an engine and a transmission with an autoshift function comprises a processor coupled to the engine and the transmission of the vehicle and adapted to control the power output of said engine and, in an autoshift mode of operation, the upshifting and downshifting of the transmission. The control system further comprises user interface means ( | 05-05-2011 |
| 20110130928 | SHIFT CONTROLLER FOR AUTOMATIC TRANSMISSION - A shift controller for an automatic transmission capable of automatically shifting up in a manual mode is provided. In the shift controller, a hysteresis between an automatic upshift line and a downshift permission line is set to be smaller as the accelerator opening degree decreases. As a result, when the accelerator opening degree is larger and therefore hunting is more likely to occur, it is possible to avoid an excessively small time interval between a downshift and an upshift. On the other hand, when the accelerator opening degree is smaller and therefore hunting is less likely to occur, a manual downshift permission region can be expanded to a higher rotational speed region, whereby a driver's manual downshift request can be satisfied in a higher vehicle speed region. | 06-02-2011 |
| 20110160969 | Continuously variable transmission - A continuously variable transmission includes a continuous gear-change mechanism, a gear-change operating section to which a gear-change operation is input, and a gear-change controlling section changing a gear ratio of the mechanism according to the gear-change operation that is input from the operating section. A first gear-change operation and a second gear-change operation, performed subsequently to the first operation, or an input from a second gear-change operating section can be input to the operating section. The e controlling section is provided with the plural gear ratios for plural gears and previously set, causes the mechanism to perform, according to the first operation, a gear-change operation to a gear ratio for a next gear, and to perform, according to the second operation, a gear-change operation to an intermediate gear ratio set between the gear ratio for the next gear and a gear ratio for a second next gear. | 06-30-2011 |
| 20110213532 | METHOD AND SYSTEM FOR CONTROLLING A TWO-SPEED TRANSFER CASE - A transfer case control system for a vehicle which includes a transfer case has a mode-selection solenoid, a range-selection solenoid, a control module, a plurality of data inputs, and a plurality of selector switches. The mode-selection solenoid is constructed and arranged to effect a mode change via the transfer case. The range-selection solenoid is constructed and arranged to effect a range change via the transfer case. The control module is electronically coupled to the pair of solenoids and to the plurality of data inputs and to the plurality of selector switches. The plurality of selector switches are actuatable by the vehicle operator and include indicating lamps which provide a visual indication of transfer case status as well as a visual alert to the vehicle operator when a selected operation is not allowed. | 09-01-2011 |
| 20120041655 | DEVICE FOR CONTROLLING A ROBOTISED GEARBOX OF A MOTOR VEHICLE - A device for controlling a robotised gearbox of a motor vehicle is connected to a computer/electronic control unit to switch, at will, from a manual mode to an automatic mode. The control member is a touch screen subjected to the following steps: standby; storing of first coordinates of a digital pressure; storing of second coordinates at which the pressure is released; calculating a vector between the first and second coordinates; comparing length of the vector to a predefined length, and if the vector is shorter than the predefined length, the control member returns to standby; and if equal to or longer than the predefined length, orientation of the vector is compared to a predefined angular range; if the orientation of the vector is outside the range, the control member returns to standby; if the orientation is within the range, a desired command is validated. | 02-16-2012 |
| 20120059556 | CONTINUOUSLY VARIABLE TRANSMISSION AND SHIFT CONTROL METHOD - The shift control unit shifts the sub-transmission mechanism while changing the speed ratio of the variator in response to a change in the speed ratio of the sub-transmission mechanism so that the through speed ratio does not change after the through speed ratio is caused to reach the final through speed ratio by changing only the speed ratio of the variator if the speed ratio corresponding to the shift instruction from the driver is between a first speed ratio at which the sub-transmission mechanism is in the second gear position at the high speed side and the speed ratio of the variator is lowest and a second speed ratio at which the sub-transmission mechanism is in the first gear position at the low speed side and the speed ratio of the variator is highest when the manual mode is selected. | 03-08-2012 |
| 20120059557 | CONTINUOUSLY VARIABLE TRANSMISSION AND CONTROL METHOD THEREFORE - A transmission control unit reduces a hydraulic pressure of a release-side frictional engagement element which is to be released of a sub-transmission mechanism and reduces this reduction amount as an input torque to the sub-transmission mechanism increases at the time of starting a shift when a manual mode is selected, the input torque is positive and the sub-transmission mechanism is to be shifted down. | 03-08-2012 |
| 20120059558 | CONTINUOUSLY VARIABLE TRANSMISSION AND POWER ON/OFF DETERMINATION METHOD - In a manual mode, a gear position of a continuously variable transmission is selected based on an input operation from a driver, a final through speed ratio is set based on the selected gear position and a variator and a sub-transmission mechanism are controlled to realize the final through speed ratio. Whether an input torque to the sub-transmission mechanism is positive or negative is determined based on an input torque to the sub-transmission mechanism when the manual mode is selected. | 03-08-2012 |
| 20120059559 | CONTINUOUSLY VARIABLE TRANSMISSION AND SHIFT CONTROL METHOD - The shift control unit executes a control to cause the through speed ratio to follow the final through speed ratio by changing only the speed ratio of the variator if a shift instruction is given from the driver a plurality of times in a row when the manual mode is selected, and advances the start of a change in the speed ratio of the sub-transmission mechanism or accelerates the progression of the change of the speed ratio as compared with the case where the manual mode is not selected when the speed ratio of the variator is maximized or minimized and the through speed ratio cannot follow the final through speed ratio. | 03-08-2012 |
| 20120078477 | VEHICLE CONTROL DEVICE AND VEHICLE CONTROL METHOD - An ECU executes a program including the steps of changing a target shift stage when a current shift change mode is set to an automatic shift change mode and when a driver has intention to change a shift stage, changing a shift range to an N range when he/she has intention for neutral, maintaining the automatic shift change mode when it is determined that he/she does not have intention for neutral but he/she has intention to switch the shift change mode and when such determination is made for the first time after return from the N range, and switching the shift change mode to a manual shift change mode when such determination is not made for the first time. | 03-29-2012 |
| 20120089307 | Work Vehicle Control Device - A work vehicle control device includes: a rotation speed control unit that controls an engine rotation speed in correspondence to an accelerator pedal operation quantity indicating an operating extent of an accelerator pedal; a speed ratio detection unit that detects a ratio of speed at an input shaft and at an output shaft of a torque converter, which is disposed between the engine and wheels; a decision-making unit that makes a decision that a fuel efficiency deteriorating condition exists if the torque converter speed ratio is less than a predetermined value or if the torque converter speed ratio is equal to or greater than the predetermined value and a target engine rotation speed corresponding to an operation of the accelerator pedal is greater than a preset value; and an informing unit that informs results of the decision made by the decision-making unit. | 04-12-2012 |
| 20120143451 | VEHICLE SHIFT CONTROL APPARATUS - In a vehicle shift control apparatus, a T/M_ECU has data of cancellation conditions stored therein in advance, which vary depending on modes of driving force characteristics and, in a temporary manual shift mode, selects a cancellation condition for the temporary manual shift mode which corresponds to a current mode and makes a determination as to whether the cancellation condition is satisfied. If it is determined that the cancellation condition for the temporary manual shift mode is satisfied, the T/M_ECU returns the temporary manual shift mode to the automatic shift mode. | 06-07-2012 |
| 20120150396 | GEAR SHIFT CONTROL UNIT FOR AUTOMATIC TRANSMISSION - In a gear shift control unit for an automatic transmission, when an up-shift switch or a down-shift switch of a paddle shift switch is turned ON, a gear shift mode is set to a temporary manual shift mode, and a target transmission gear stage is shifted up or shifted down. Subsequently, a manual assist control is executed. In the manual assist control, an acceleration is calculated from a temporal differentiation of a vehicle speed. After it is detected that the acceleration is larger than or equal to an acceleration determination threshold, an accelerator pedal return acceleration is calculated from a double temporal differentiation of an accelerator opening degree. When the accelerator pedal return acceleration is smaller than or equal to another acceleration determination threshold, the current target transmission gear stage is automatically shifted down. | 06-14-2012 |
| 20120150397 | DEVICE AND METHOD FOR PERFORMING A GEAR CHANGE OF A VEHICLE - A method for executing a gear shift step in a motor vehicle ( | 06-14-2012 |
| 20120150398 | ABNORMAL-PERIOD AUTOMATIC SHIFT CONTROL APPARATUS OF AUTOMATED MANUAL TRANSMISSION - In an abnormal-period automatic shift control apparatus of an automated manual transmission (AMT), a controller includes a first state detecting section configured to detect whether the AMT is in a first state where the AMT is thrown into a shift stage during an engine starting period, and a second state detecting section configured to detect whether the AMT is in a second state where a clutch failure that an automatic clutch, employed in the AMT for engine power transmission, remains engaged undesirably, occurs. Also provided is a neutral-range-period abnormality countermeasure section configured to inhibit a supply of working oil from an engine-drive oil pump, serving as a working medium for automatic-clutch engagement-and-disengagement control and automatic gear shifting, for preventing an automotive vehicle from beginning to move, while a selected operating range is a neutral range, under a condition where the first and second states occur simultaneously. | 06-14-2012 |
| 20120158257 | POWERTRAIN FOR A VEHCILE AND SYSTEM AND METHOD FOR CONTROLLING THE POWERTRAIN - A system and method for controlling a powertrain of a vehicle having an engine configured to output a variable torque, can include a transmission with a plurality of gear ratios and selectively driven by the variable torque, and a pair of wheels selectively driven by the transmission. The system can include a longitudinal acceleration sensor and a controller. The controller can be in electrical communication with the longitudinal acceleration sensor. The controller can be configured to determine an inertial value of the vehicle based on data from the longitudinal acceleration sensor prior to a shift from one of the plurality of gear ratios to another of the plurality of gear ratios. The controller can also be configured to determine a first estimate of a real-time torque value based on at least one of an engine map, the plurality of gear ratios, a torque converter map and driveline losses, and to determine a second estimate of a real-time torque value based on the inertial value and data from the longitudinal acceleration sensor, during the shift from the one of the plurality of gear ratios. | 06-21-2012 |
| 20120158258 | CONTROL APPARATUS FOR CONTINUOUSLY VARIABLE TRANSMISSION - In a control apparatus for a continuously variable transmission, when the difference between a target transmission gear ratio calculated immediately after switching the control mode from a manual shift mode to an automatic shift mode and a current transmission gear ratio (that is, a fixed transmission gear ratio of the transmission gear stage selected in the manual shift mode immediately before the switching) is greater than or equal to a set value, a shift control unit sets a temporary target transmission gear ratio between the target transmission gear ratio and the current transmission gear ratio. If a temporary target transmission gear ratio is set, the shift control unit causes the transmission gear ratio obtained during transition of mode from the manual shift mode to the automatic shift mode to match the target transmission gear ratio stepwise via the temporary target transmission gear ratio. | 06-21-2012 |
| 20120158259 | DOUBLE GEARCHANGE PREVENTION - A method for prevention of unwanted double gear changes for a gearbox in a motor vehicle. The vehicle comprises an engine connected to drive the gearbox. The gearbox also effects a manual gear change in an automatic mode if a mode selector connected to the gearbox is activated. The manual gear change is barred if the mode selector is only activated a first time during a gear change period, which represents a period of time during which an automatic gear change is effected in the automatic mode. A system, a computer program, a computer program product and a motor vehicle, which prevent an unwanted double gear change, are disclosed. | 06-21-2012 |
| 20120166053 | VEHICLE DRIVING-FORCE CONTROL DEVICE - In a vehicle driving-force control device, if a primary speed is not lower than or equal to a kick-down allowable speed and an accelerator pedal depression amount is larger than or equal to a kick-down allowable depression amount, a shift control device identifies an intention of acceleration from a driver's accelerator operation and kick down a gear stage to a lower stage, even in a manual shift mode having been selected. In this case, the kick-down allowable speed is set to a different value for each of driving force characteristic modes, and a speed range in which a kick-down operation is allowed to be automatically performed on the basis of the primary speed is set narrower for a driving force characteristic mode having higher responsiveness to an accelerator operation. | 06-28-2012 |
| 20120245810 | METHOD FOR CONTROLLING AND/OR REGULATING AN AUTOMATED TRANSMISSION - A method of controlling and/or regulating an automated transmission of a vehicle in which a rolling function or a coasting function of the vehicle is activated in an automatic mode, under predetermined conditions, such that the drivetrain is disengaged and the drive motor is one of operated at idle or is switched off at times. The rolling function or the coasting function is automatically terminated if at least one of the predetermined conditions is no longer present. The rolling function or the coasting function can also be terminated manually by the driver, and a manually operable shifting strategy can be initiated. | 09-27-2012 |
| 20120296534 | METHOD AND SYSTEM FOR CONTROL OF A GEARBOX - A method for control of a vehicle gearbox which is automatically controlled by a control system. The control system's choice of transmission ratio is influenceable by the vehicle's driver. The control system chooses an initial transmission ratio for moving off stationary. The method includes determining a first initial transmission ratio by using the control system, and determining a second initial transmission ratio indicated by the vehicle driver. The gearbox is set to the second initial transmission ratio indicated by the driver when the second ratio is higher than the first initial transmission ratio determined by the control system. | 11-22-2012 |
| 20120310497 | GEAR-SHIFT CONTROL APPARATUS FOR AUTOMATIC TRANSMISSION - A gear-shift control apparatus comprises: a shift-hold-level-calculation unit for calculating, in accordance with operation of a driver, a shift hold level that varies between 0% representing a complete automatic transmission state and 100% representing a complete manual transmission state; and a gear-shift processing unit for performing gear-shift control processing for an automatic transmission in accordance with the shift hold level calculated by the shift-hold-level-calculation unit. | 12-06-2012 |
| 20130013161 | CONTROL DEVICE FOR VEHICLE - Provided is a control device for a vehicle that can switch between an automatic gear shift mode in which gear shifting of the automatic transmission is performed according to a vehicle traveling condition, and a manual gear shift mode in which gear shifting of the automatic transmission is performed according to a driver operation, and that changes drive force characteristics by controlling output torque of the drive source at the time of a gear shift mode switch. When the gear shift mode is switched between automatic and manual the control device selects an initial gear stage or an initial gear ratio for the gear shift mode switch such that the amount of change in drive force that accompanies the gear shift mode switch decreases, or such that the direction of change in drive force that accompanies the gear shift mode switch conforms to the driver's intention or expected sensation. | 01-10-2013 |
| 20130073153 | SHIFT CONTROLLING APPARATUS - A shift controlling apparatus includes an automatic shift mode returning member with a manual shift mode wherein a transmission is manually shifted and an automatic shift mode wherein the transmission is automatically shifted based on an automatic shift map and changes over. When a manual shift operation is carried out in the automatic shift mode, the shift mode moves to the manual shift mode and then automatically returns to the automatic shift mode after the manual shift operation. The automatic shift mode returning member includes a manual operational detection member for detecting a manual shift operation for shift up or shift down of the transmission during the automatic shift mode, first operational state discrimination member for discriminating an operational state of a vehicle when the manual shift operation is carried out, and second operational state discrimination member for discriminating an operational state of the vehicle after the manual shift operation. | 03-21-2013 |
| 20130096783 | BICYCLE GEAR SHIFT CONTROL SYSTEM CAPABLE OF AVOIDING FREQUENT GEAR SHIFTING - A bicycle gear shift control system capable of avoiding frequent gear shifting includes: a power module; a microcomputer electrically connected to the power module for allowing a cyclist to switch between the automatic gear shifting mode and a manual gear shifting mode; a gear shifting driver electrically connected to the microcomputer, substantially connected to a derailleur, and instructed by the microcomputer to drive the derailleur to perform gear shift control; and a manual shifting controller electrically connected to the microcomputer. The microcomputer has an automatic gear shifting logic whereby the microcomputer determines the timing of automatic gear shifting and performs gear shifting. The microcomputer further has a gear shifting delay logic that involves delaying for a delay time interval from commencement of gear shifting according to a gear shifting criterion and ruling out all other gear shifting commands during the delay time interval. | 04-18-2013 |
| 20130096784 | PRIMARY CLUTCH ELECTRONIC CVT - A continuously variable transmission (CVT) is provided for use on a recreational or utility vehicle. The CVT is electronically controlled by at least one control unit of the vehicle. The CVT includes a primary clutch having a first sheave and a second sheave moveable relative to the first sheave. An actuator controls movement of the second sheave. | 04-18-2013 |
| 20130096785 | PRIMARY CLUTCH ELECTRONIC CVT - A continuously variable transmission (CVT) is provided for use on a recreational or utility vehicle. The CVT is electronically controlled by at least one control unit of the vehicle. The CVT includes a primary clutch having a first sheave and a second sheave moveable relative to the first sheave. An actuator controls movement of the second sheave. | 04-18-2013 |
| 20130190995 | POWERTRAIN SYSTEM HAVING LOCKABLE DIFFERENTIAL - A powertrain system for a mobile machine is disclosed. The powertrain system may have a power source, a plurality of traction devices, and a differential operatively connecting an output of the power source with the plurality of traction devices. The powertrain may also have a manual input device movable by an operator to generate a first signal indicative of a desire to lock the differential, at least one sensor configured to generate a second signal indicative of a parameter the mobile machine, and a controller in communication with the at least one sensor, the manual input device, and the differential. The controller may be configured to inhibit locking of the differential based on the first signal when the second signal indicates the parameter deviating from an acceptable range. | 07-25-2013 |
| 20130275014 | DRIVING SYSTEM HAVING EPICYCLE GEAR SETS WITH DUAL OUTPUT ENDS EQUIPPED WITH INDIVIDUALLY-CONTROLLED MULTIPLE SPEED-RATIO DEVICE - The present invention utilizes the rotary kinetic power of a rotary kinetic power source to directly drive the epicyclic gear set, or to drive the epicyclic gear set through a transmission device, then a controllable multiple speed-ratio device is individually installed between two output shafts of the epicyclic gear set and the load driven thereby, so the wheel set of the driven load is enabled to perform variation of the driving speed ratio and the driving torque, so as to drive the combined common load; between the output ends of the two controllable multiple speed-ratio devices, a limited slip differential or a stabilize device composed of a dual shaft connecting device having slip coupling torque can be further installed according to actual needs. | 10-17-2013 |
| 20130297159 | VEHICLE CONTROL UNIT - There is provided a vehicle control unit. The vehicle control unit provides an automatic mode that automatically determines a gear ratio in accordance with an operational status of a vehicle and a temporary manual mode that, with a driver's operation, selects any one predetermined gear ratio from among predetermined gear ratios set in advance and automatically switches a mode of operation to the automatic mode according to the operational status of the vehicle. When switching a mode of operation from the automatic mode to the temporary manual mode through a downshift operation that changes a gear ratio to a lower one in a transmission and an engine speed is lower than a reference rotational speed set in accordance with a vehicle speed, the vehicle control unit selects any one of the predetermined gear ratios such that the engine speed is equal to or more than the reference rotational speed. | 11-07-2013 |
| 20140052352 | METHOD FOR DETECTION AND ENABLING OF AN EVASIVE MANOEUVER IN A VEHICLE WITH AN AUTOMATED MANUAL TRANSMISSION - A method of detecting and enabling an evasive manoeuver in a vehicle with an automated transmission, in which initially the method checks whether the reverse (R) drive is engaged, and checks whether the steering-wheel angle and the steering-wheel angular velocity are valid and in excess of threshold values. If so, a first timer is started and then the method checks to see if the yaw rate and the transverse acceleration of the vehicle exceed threshold values while the first timer is running, and when the yaw rate and the transverse acceleration of the vehicle exceed threshold values while the first timer is running, a driver's wish to carry out an escape turn is recognized and a second timer is started, and both timers have not yet run their course, the speed threshold for permitting engagement of the forward drive (D) is increased to exceed the normal threshold value for permitting engagement of forward drive (D) is a is a set is positioned. | 02-20-2014 |
| 20140067210 | CONTROL DEVICE FOR TRANSMISSION - When a MODE selector SW is manipulated while CVT automatic shifting mode is selected, the shifting mode is switched to STEP-AT automatic shifting mode. Then, when the shift lever of a shifting device is manipulated by the driver while the CVT automatic shifting mode is selected as the shifting mode of a CVT, the then-set automatic shifting control mode for the CVT is maintained whereas the shifting mode of the CVT is switched to sport mode. When the sport mode being selected as the shifting mode of the CVT is canceled, the shifting mode of the CVT is switched to the mode selected before the switchover to the sport mode, that is, the maintained automatic shifting control mode, unless the MODE selector SW is manipulated during execution of the sport mode. | 03-06-2014 |
| 20140095033 | TWIN CLUTCH CONTROLLING APPARATUS - A twin clutch controlling apparatus includes an ATM control unit for controlling a shift actuator and a clutch actuator and a shift pedal P for carrying out shifting request to the ATM control unit. When a shifting request by the shift pedal P is issued, the ATM control unit drives the shift actuator to change over the shift stage to a next stage gear irrespective of an operational amount of a clutch lever L and then causes the manual operation clutch capacity arithmetic operation value (tqcltmt) to correspond to a clutch capacity corresponding to the next stage gear using an operational amount of the clutch lever L that exceeds a predetermined value as a trigger. If a predetermined period of time elapses while the clutch lever L is not operated, then the shifting request is an erroneous operation and the shift stage is returned to an original gear. | 04-03-2014 |
| 20140095034 | TWIN CLUTCH CONTROLLING APPARATUS - A twin clutch controlling apparatus includes a clutch actuator for controlling a twin clutch TCL, and a manual operation clutch capacity arithmetic operation section for converting an operation amount of a clutch lever L into an electric signal to arithmetically operate a manual operation clutch capacity arithmetic operation value (tqc1tmt) corresponding to the manual operation. The twin clutch controlling apparatus is configured so as to accept a changeover from an Auto mode to a Temp mode in response to an operation of the clutch lever L. When an operation of the clutch lever L is detected during automatic control in the Auto mode, an event that the manual operation clutch capacity arithmetic operation value (tqc1tmt) comes to have a value similar to that of the clutch capacity (tqc1at) calculated in the Auto mode is included in conditions for a changeover to the Temp mode to occur. | 04-03-2014 |
| 20140121913 | AUTOMOBILE PADDLE SHIFTERS WITH SECONDARY PADDLES - A system for controlling gear changes in a vehicle. The system may include at least one primary paddle shifter coupled to the steering wheel and/or the steering column. The system also includes at least one auxiliary paddle shifter coupled to the steering wheel, the steering column and/or the at least one primary paddle shifter. The primary paddle shifter may engage a primary function, such as one sequential gear shift up or down and the auxiliary paddle shifter may engage a secondary function, such as an optimal gear shift up or down. | 05-01-2014 |
| 20140214288 | VEHICULAR CONTROL APPARATUS - A control apparatus for controlling a vehicle having an automatic transmission arranged to transmit a vehicle drive force from a drive power source of the vehicle to drive wheels of the vehicle, such that a shift-down operation of the automatic transmission is performed as a result of a kick-down operation, the control apparatus includes a shift-down operation permitting/inhibiting portion configured to restrict the shift-down operation of the automatic transmission as a result of the kick-down operation, if a running speed of the vehicle upon detection of the kick-down operation is lower than a lower limit predetermined for a presently established gear positions or speed ratio of the automatic transmission. | 07-31-2014 |
| 20140236436 | STRUCTURE FOR PREVENTING A BAULKING OF MANUAL TRANSMISSION E-SHIFTER - A structure for preventing baulking of a manual transmission E-shifter includes a vibration motor disposed in a knob of a manual transmission E-shifter and a return actuator automatically returning the manual transmission E-shifter to a NULL range. The structure makes a driver recognize mis-engagement and automatically shifts to a NULL range by driving the vibration motor and the return actuator, when mis-engagement is generated in a transmission, in a structure of a manual transmission E-shifter, in order to transmit mis-engagement of a manual transmission E-shifter, which is not mechanically connected with the manual transmission, and compensate for the mis-engagement. | 08-21-2014 |
| 20150032340 | AUTOMATIC AND MANUAL ELECTRICAL GEAR SHIFTING APPARATUS AND METHOD FOR ELECTRIC VEHICLES - The automatic and manual electrical gear shifting apparatus includes a manual electrical gear shifting unit, for detecting a driving status and transmitting a sensing signal; a control unit, coupled to the sensing unit and the manual electrical gear shifting unit, and also coupled to a driving shift device and a mid-power motor, and a shift correction unit being coupled between the driving shift device and the control unit. The control unit resets the driving shift device to a start shift when the electric vehicle stops and if the transmission of an electric vehicle is an internal transmission. If the transmission of the electric vehicle is an external transmission and the shift of the driving shift device is set to a high gear, the control unit automatically increases the electrically assisted power of the electric vehicle. | 01-29-2015 |
| 20150307157 | GEAR CHANGING CONTROL APPARATUS - A gear changing control apparatus is provided for controlling a plurality of operation modes of a drive unit of an electric transmission that assists a manual drive force of a bicycle. The control apparatus includes a controller. The controller selects a gear changing range that can be used according to a selected operation mode from a plurality of operation modes. The controller controls the electric transmission within the gear changing range that is selected. | 10-29-2015 |
| 20150337951 | ELECTRIC BICYCLE COMPONENT - An electric bicycle component is basically provided that is capable of realizing finer control of the transmission device according to the riding environment. The electric bicycle component includes a control unit that is mounted to a bicycle. The control unit includes a controller and an acceleration detection unit. The acceleration detection unit includes programmed to detect an acceleration of the bicycle. The controller programmed to select one of a first to a third shifting conditions based on the acceleration detected by the acceleration detection unit, and controls an actuator of the transmission device based on the selected shifting condition. | 11-26-2015 |
| 20150344104 | BICYCLE GEAR CHANGING APPARATUS - A bicycle gear changing apparatus is basically provided with a controller including memory with a first prescribed shift route for upshifting and a second prescribed shift route for downshifting. The first prescribed shift route defines an order of actuation of at least one of a first gear changing device and a second gear changing device that is different from an order of actuation of at least one of the first and second gear changing devices that is defined by the second prescribed shift route. The controller controls a shifting operation of at least one of the first and second gear changing devices in response to a shift signal and in accordance with one of the first and second prescribed shift routes. The first prescribed shift route includes a least one user settable synchro-upshift point. The second prescribed shift route includes at least one user settable synchro-downshift point. | 12-03-2015 |
| 20150345620 | BICYCLE GEAR CHANGING CONTROL APPARATUS, ELECTRICALLY ASSISTED SYSTEM, AND BICYCLE GEAR CHANGING CONTROL METHOD - A bicycle gear changing control apparatus includes a controller that is programmed to control a gear changing state of a bicycle transmission according to an operation of a gear changing operating device upon determining a bicycle traveling speed is greater than a first speed. The controller controls the transmission automatically to be in a first prescribed gear changing state upon determining the bicycle traveling speed becomes less than or equal to the first speed and upon determining a gear ratio of a current gear changing state of the transmission is larger than a preset gear ratio of the first prescribed gear changing state. The controller controls the transmission automatically, after controlling the transmission to be in the first prescribed gear changing state, to a larger gear ratio than the gear ratio of the first prescribed gear changing state, upon determining the bicycle traveling speed becomes greater than a second speed. | 12-03-2015 |
| 20160009287 | Method for Operating a Drive Train of a Motor Vehicle | 01-14-2016 |
| 20160016624 | BICYCLE SETTING CALCULATING SYSTEM, METHOD OF CALCULATING BICYCLE SETTING, AND COMPUTER-READABLE STORAGE MEDIUM - A bicycle setting calculating system comprises a drive-train calculating device. The drive-train calculating device is configured to calculate reference drive-train information as a reference for a setting of a drive train based on bicycle information and rider information. The bicycle information relates to a bicycle configured to be equipped with the drive train. The rider information relates to a rider who is to ride the bicycle. | 01-21-2016 |
| 20160131250 | MANUAL CONTROL OF SPEED-RATIO SELECTION IN AN AUTOMATIC TRANSMISSION - A method of controlling an automatic transmission connected to an engine in a motor vehicle includes receiving an input signal generated via an application of force by a switch inside the vehicle. The switch has a predetermined travel and is configured to request a transmission speed-ratio change via an output signal indicative of the received input signal. The output signal is received via a controller programmed with a permitted engine speed range. The transmission is commanded to execute a change from a currently selected speed-ratio to another speed-ratio if the requested speed-ratio change would generate an engine speed within the permitted engine speed range. The switch is commanded to execute full travel under the application of force if the speed-ratio change in the transmission was commanded. Alternatively, the switch is commanded to execute partial travel under the application of force if the speed-ratio change in the transmission was not commanded. | 05-12-2016 |
| 20160146343 | CONTROL APPARATUS AND CONTROL METHOD FOR AUTOMATIC TRANSMISSION - A control unit comprises determining unit for determining whether or not a predetermined elapsed time condition is established after a shift has been performed to a specific gear position reached by engaging a specific frictional engagement element of a stepped transmission mechanism, and restricting unit for prohibiting the stepped transmission mechanism from performing a shift back to the specific gear position while allowing a continuously variable transmission mechanism to perform shifts so that an automatic transmission is controlled to a target speed ratio until the determining unit determines that the predetermined elapsed time condition is established. | 05-26-2016 |
| 20160167738 | BICYCLE TRANSMISSION APPARATUS | 06-16-2016 |
