| Patent application number | Description | Published |
|---|
| 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 |
| 20100167871 | Control device - A control device includes a differential rotation obtaining unit; a direct-coupling control unit that decreases the differential rotation speed by increasing an engagement pressure of the direct-coupling clutch at a normal pressure increase rate determined depending on a traveling state of a vehicle so as to change the direct-coupling clutch from a released state to an engaged state; and a pressure increase control unit that changes to a rapid pressure increase rate larger than the normal pressure increase rate for increasing the engagement pressure by the direct-coupling control unit when the differential rotation speed becomes equal to or smaller than a predetermined pressure increase permission threshold in a state that an accelerator opening of the vehicle decreases. | 07-01-2010 |
| 20100168969 | Control apparatus - A control apparatus includes a differential speed acquisition unit that acquires a differential speed representing a difference in speed between an input side drivingly connected to the input member of the fluid coupling and an output side drivingly connected to the transmission; a state determination unit that determines a shift speed in the transmission and an operating state of the direct connection clutch based on an accelerator opening and a vehicle speed of a vehicle; and a direct connection control unit that engages, if the differential speed is equal to or less than a predetermined engagement permitting threshold value when the state determination unit determines an upshift of the shift speed and a transition from a disengaged state to an engaged state of the direct connection clutch in a condition in which the accelerator opening is decreasing, the direct connection clutch regardless of an upshift operation of the shift speed. | 07-01-2010 |
| 20100173745 | Vehicle control device - A vehicle control device that includes an input member drive-coupled to an engine and a rotary electrical machine; an output member; and a transmission having a plurality of friction engagement elements, in which a plurality of shift speeds are switched by controlling engagement and release of the plurality of friction engagement elements, and a rotary driving force of the input member is shifted by a change gear ratio of one of the shift speeds and outputted to the output member. | 07-08-2010 |
| 20100174429 | Control apparatus - A control apparatus for controlling a transmission apparatus that includes: an input member that is drivably connected to a rotating electrical machine being capable of generating regenerative torque based on an engine and a deceleration request of a vehicle; an output member that is drivably connected to wheels; and a speed change mechanism that has a plurality of friction engagement elements that are controlled to be engaged and released so as to switch a plurality of shift speeds, and that shifts a rotation speed of the input member at one of gear ratios set for the shift speeds and outputs the shifted speed to the output member. | 07-08-2010 |
