Abstract: A control device for a vehicle is provided, which vehicle includes a driving source, a driven machine driven by the driving source, and an automatic transmission having a torque converter provided downstream of the driving source in a power transmission path and having a lockup clutch, and an engaging element provided downstream of the torque converter in the power transmission path. The device includes a control unit adapted to engage the engaging element in a state where the lockup clutch is engaged if a brake pedal is stepped on during neutral running control in which the automatic transmission is brought into a power shut-off state during running of the vehicle.

Abstract: Abnormality detection device for automatic transmission of invention has automatic transmission 5A connected to vehicle driving source 1, 3 through clutch 4a; range detector detecting selection range of selector lever 9 and outputting detection signal; manual valve 90 configured to, when selector lever is positioned at drive range position, engage clutch and bring automatic transmission into power transmission state, and when selector lever is positioned at range position except drive range position, disengage clutch and bring automatic transmission into power non-transmission state.

Abstract: A slip lock-up control device for a vehicle includes a torque converter having a lock-up clutch, and a slip lock-up controller. The slip lock-up controller performs slip lock-up control using a lock-up pressure difference command to match an actual slip rotational speed to a target slip rotational speed based on engine torque information indicative of input torque, when a lock-up engagement condition is fulfilled when the lock-up clutch is in a released state. During the slip lock-up control, when in an engine torque unstable range for which an engine torque has a rise gradient with respect to a rise change of an engine speed, the slip lock-up controller sets the lock-up pressure difference command to a second lock-up pressure difference command for which a pressure difference fluctuation is averaged more than a first lock-up pressure difference command used in a range other than the engine torque unstable range.

Abstract: A transmission case (10) includes a case (2) and a side cover (3). A rotation sensor (5) including a connector terminal part (52) is attached to the side cover (3). A seal member (FIPG) (4) is interposed between joining surfaces (22a, 32a) of the case (2) and the side cover (3). A notch portion (25) where the seal member (4) is accumulated is provided to an outer peripheral surface (22b) of the joining surface (22a) which is adjacent to the connector terminal part (52). Accordingly, the amount of the seal member (4) protruding outward from the outer peripheral surface (22b, 32b) of the flange portions (22, 32) is reduced, thus suppressing connection failure of a connector.

Abstract: The controller forms a control device for a vehicle with which torque generated in an engine and a motor generator is transmissible to a continuously variable transmission in accordance with a driving force request from a driver. The controller includes an engine controller forming a motor control unit adapted to control an output of the motor generator in accordance with the driving force request, and a transmission controller forming a transmission capacity control unit adapted to control a transmitted torque capacity of the continuously variable transmission, and, in a case where motor assistance is performed and when stability of the transmitted torque capacity of the continuously variable transmission is detected, performs the motor assistance.

Abstract: A pressure control valve includes a spool that strokes to one side in the direction of an axis due to the conduction of current to a coil, a spring that urges the spool to the other side in the axis direction, a control device for controlling the conduction of the current to the coil, a determination unit for determining the start of a foreign substance removing operation by the spool, a command value setting unit for setting a command value for the current conducted to the coil, and a dither current setting unit for setting a dither current superimposed on the command value. When the determination unit determines the start of the foreign substance removing operation, the dither current setting unit changes an oscillation frequency of the dither current to an oscillation frequency lower than the frequency at the current point in time, and the command value setting unit periodically increases and reduces the command value on which the changed oscillation frequency is superimposed.

Abstract: In a transmission control device for controlling a transmission, a controller determines failure of a SOL corresponding to a hydraulic secondary-pressure actuator. The controller variably controls line command pressure, and in a case where the failure is determined, fixes the line command pressure to a line pressure set value. The controller variably controls primary command pressure, and in a case where the failure is determined, continuously changes a speed ratio of a variator by variably controlling the primary command pressure. The controller variably controls secondary command pressure, and in a case where the failure is determined, fixes the secondary command pressure to a secondary pressure set value.

Abstract: An air breather chamber structure includes: a first breather chamber provided to a housing receiving a transmission; and a second breather chamber provided to an upper portion of the housing in a gravity direction, the first introduction hole being positioned on the first side of the imaginary surface, the second introduction hole being positioned on the second side of the imaginary surface, the atmosphere communication hole being positioned on the first side of the imaginary surface, the discharge hole being positioned on the second side of the imaginary surface, the first introduction hole and the discharge hole being positioned below the second introduction hole in the gravity direction, and the atmosphere communication hole being positioned above the second introduction hole in the gravity direction.

Abstract: In a transmission control device for controlling a transmission, a controller determines failure of a SOL corresponding to a hydraulic primary-pressure actuator. The controller variably controls line command pressure, and in a case where the failure is determined, continuously changes a speed ratio of a variator by variably controlling the line command pressure. The controller variably controls primary command pressure, and in a case where the failure is determined, fixes the primary command pressure to a primary pressure set value. The controller variably controls secondary command pressure, and in a case where the failure is determined, fixes the secondary command pressure to a secondary pressure set value.

Abstract: A vehicle control device for controlling a vehicle including a variator provided in a power transmission path between a driving source and a driving wheel of a vehicle and a friction engaging element provided between the variator and the driving wheel, engaged when a running range is selected, while disengaged when a non-running range is selected and shutting off transmission of power through the power transmission path is provided.

Abstract: An oil pressure control device for a vehicle is configured such that, when switching from an oil pressure supply by means of a mechanical oil pump driven by a motor/generator to an oil pressure supply by means of an electric oil pump driven by a sub-motor, a supply ratio of oil supplied from the mechanical oil pump and a supply ratio of oil supplied from the electric oil pump, are adjusted based on an oil pressure difference between a first oil pressure and a second oil pressure, via first and second flapper valves. When the first oil pressure becomes less than or equal to a pump drive threshold, an increase in the second oil pressure is initiated, and the first oil pressure and the second oil pressure are made to match at a predetermined equilibrium oil pressure higher than a required line pressure.

Abstract: A mounting structure of a temperature sensor is adapted to mount a temperature sensor adapted to measure a temperature of a coil to a stator constituted by arranging a plurality of sets of a stator core, the coil wound around the stator core, and an insulator ensuring insulation between the stator core and the coil. The mounting structure of a temperature sensor comprises a holder fixing portion fixed to the insulator, and a sensor holding portion formed integrally with the holder fixing portion and holding the temperature sensor on a coil end portion of the coil. In the sensor holding portion, a storage groove adapted to store the temperature sensor is formed, and at a groove bottom of the storage groove, a sensor pressing portion adapted to press the temperature sensor to the coil end portion is formed.

Abstract: Provided are a variator and a transmission controller in an engine-driven vehicle. The transmission controller has an instantaneous interruption recovery control portion configured to, upon a power reset from an instantaneous interruption during running, set a target through transmission ratio and a desired through transmission ratio to a lowest transmission ratio value by initialization and perform recovery control to recover an actual through transmission ratio of the variator to a transmission ratio value for shifting to normal control. The instantaneous interruption recovery control portion is further configured to, upon the power reset from the instantaneous interruption during the running, set a change speed of the target through transmission ratio from the lowest transmission ratio value to the desired through transmission ratio, to be higher than that under the normal control, before a time at which the desired through transmission ratio value deviates from the lowest transmission ratio value.

Abstract: A control device for a vehicle is provided, which vehicle includes a driving source, and an automatic transmission having a torque converter provided downstream of the driving source in a power transmission path and having a lockup clutch, and an engaging element provided downstream of the torque converter in the power transmission path. The device includes a control unit which engages the engaging element in a state where the lockup clutch is engaged if an accelerator opening becomes not smaller than a predetermined opening during neutral running control in which the automatic transmission is brought into a power shut-off state during running of the vehicle.

Abstract: In a transmission control device, a controller determines failure of a rotation sensor. A hydraulic control circuit and the controller variably control a speed ratio of a variator. The hydraulic control circuit and the controller variably control a gear position of a sub-transmission mechanism, and in a case where the failure is determined, fix the gear position of the sub-transmission mechanism to first speed. The hydraulic control circuit and the controller fix the gear position of the sub-transmission mechanism to the first speed during a vehicle stop in a case where the gear position of the sub-transmission mechanism upon a determination of the failure is second speed.

Abstract: Selection solenoid valve (75) controls engagement/disengagement of travel clutch (31, 32) in synchronization with a selecting operation of selector lever (90) that selects a range position of belt-type continuously variable transmission (CVT). Selection solenoid valve abnormality diagnosing unit (Sa) is configured to, when performing a selecting operation from no-drive range to drive range, if a time required for travel clutch (31, 32) to be judged to be engaged from a start of selection of the drive range is less than a predetermined time, judge selection solenoid valve (75) to be a maximum hydraulic pressure side abnormality. When performing the selecting operation of drive range?no-drive range?drive range, if a selecting operation speed condition indicating that a no-drive range selection time is shorter than a setting time (Tth) is satisfied, execution of abnormality diagnosis of selection solenoid valve (75) is not permitted. With this configuration, misjudgment is prevented.

Abstract: Pressure regulation valve control device has line pressure regulation valve (4) having line pressure solenoid (41) and line pressure spool valve (42) and CVT control unit (8) controlling secondary pressure (Psec) by actuating the line pressure spool valve (42) by solenoid pressure (Psol) produced by controlling current command value (I) to the line pressure solenoid (41). CVT control unit (8) has abnormality control unit (81). The abnormality control unit (81) is configured to, when decrease in secondary pressure (Psec) is detected during travel, execute, during travel, abnormality control that increases solenoid pressure (Psol), supplied to line pressure spool valve (42) from line pressure solenoid (41), more than solenoid pressure (Psol) of a time when the decrease in secondary pressure (Psec) is detected. With this, even when the decrease in the pressure is detected during travel, the decrease in the pressure is suppressed during travel while reducing influence on vehicle travel.

Abstract: A transmission controller gives an engagement instruction to a forward clutch so that the forward clutch is engaged when a rotation speed of the engine becomes a target engine rotation speed set on the basis at least of a vehicle speed and a speed ratio of a continuously variable transmission after the engine is started, if a cancellation request for a sailing-stop control is made during execution of the sailing-stop control, and the continuously variable transmission is downshifted before the forward clutch is engaged, if the target engine rotation speed when the cancellation request for the sailing-stop control is made is less than a first predetermined value.

Abstract: A vehicle sailing stop control method is provided for a vehicle including a friction engagement element disposed between a traveling drive source and drive wheels, a torque converter disposed between the friction engagement element and the traveling drive source, and including a lock-up clutch for which a power transmission amount is controlled based on hydraulic pressure, and a hydraulic pressure source that can supply the hydraulic pressure while the traveling drive source is stopped. The vehicle sailing stop control method includes: performing sailing stop control so that coasting is performed by cutting off power transmission of the friction engagement element and stopping the traveling drive source upon a sailing stop travel condition being established; and, during coasting by the sailing stop control, placing the lock-up clutch in a power transmission state in which the hydraulic pressure is applied to the lock-up clutch.

Abstract: An oil pump is provided with an inner rotor having external teeth, an outer rotor disposed in a loose-fit state within a pump chamber and having internal teeth meshed with the external teeth, a ring-shaped pressure chamber provided adjacent to the pump chamber in a direction of a rotation axis, a discharge opening for connecting the pump chamber and the pressure chamber, and a cylindrical discharge passage having one end connected to the pressure chamber and the other end serving as a connection opening. A portion of the discharge passage is located to open inside of the outer periphery of the pressure chamber when viewed in the rotation axis direction. The one end reaches to a middle of the pressure chamber when viewed in a radial direction of the rotation axis, and the discharge passage and the pressure chamber are in direct communication with each other.