Abstract: This vehicle includes a lane keeping assistance system and a control device which controls steering of the vehicle, wherein the control device divides a width of a lane in which the vehicle travels into a plurality of virtual lanes and controls the vehicle so that the vehicle travels in one virtual lane among the plurality of virtual lanes. The control device controls the vehicle so that a traveling position of the vehicle is returned to an inside of the one virtual lane when the vehicle traveling in the one virtual lane is about to deviate from the inside of the one virtual lane.

Abstract: This vehicle information notification device includes: a pair of left and right grips which are formed on a steering handle; and a vibration device (which is disposed on at least one of the pair of left and right grips to notify a driver of predetermined information, wherein a plurality of the vibration devices are provided on one of the left and right grips. Both of the pair of left and right grips are respectively provided with a plurality of vibration devices.

Abstract: This vehicle information notification device includes: movable portions (56 and 57) which are provided in at least one of a pair of left and right vehicle body outer portions (1L and 1R) in a vehicle body (1A), steerably supporting a steering system component (10A), to be operated by actuators (105L and 105R), wherein the movable portions (56 and 57) include outer surfaces (56e and 57e) which are able to contact a driver's body, and wherein the movable portions (56 and 57) notify the driver of predetermined information by operating the outer surfaces (56e and 57e) in a predetermined motion.

Abstract: The clutch control system includes a motor in a liquid pressure modulator for engagement/disengagement of a clutch, a clutch control unit for controlling the operation of the motor, vehicle condition detection means which detects at least that an engine is in working and which detects the running speed of the vehicle, and neutral detection means for detecting the neutral state of a transmission. As controlled states of the clutch, there are set a first control state in which the clutch is in a partially engaged state or an engaged state, and a second control state in which the clutch is disengaged. When the engine being working and the vehicle speed being in excess of a predetermined value is detected and the neutral state is detected, in the first control state, transition to the second control state is effected and the clutch is disengaged.

Abstract: A shift control device in a saddle-ride-type vehicle includes a lost motion mechanism and a locking mechanism. The lost motion mechanism is disposed between a shift spindle and a shift drum and engages a shifter-side rotary member on a shift spindle side and a drum-side rotary member on a shift drum side, in a relatively rotatable manner while accumulating a force. The locking mechanism is engaged with the shifter-side rotary member and the drum-side rotary member, respectively, so as to restrict the rotation of the shifter-side rotary member and the rotation of the drum-side rotary member, individually.

Abstract: An object of the present invention is to provide a catalyst support which can maintain the purifying ability of HC, CO and NO even after being exposed to a high temperature atmosphere such as about 1000° C. for a long term and a method which can easily produce the catalyst support. According to the present invention there is provided a method for producing a catalyst support of porous alumina formed with pores within which magneto-plumbite type complex oxide ((La.

Abstract: An electronic clutch control apparatus is provided for a vehicle having a clutch assembly and a clutch lever operatively associated with the clutch assembly. The electronic clutch control apparatus includes an actuator for driving a clutch assembly, an operation amount sensor for sensing an operation amount of a clutch lever, an electronic control unit for controlling the operation of the actuator based on the detected operation amount received from the operation amount sensor, and a feedback unit for applying an operation reaction force to the clutch lever. The feedback unit includes a plurality of springs having different spring constants. The feedback unit is configured such that when the clutch lever is operated in an operation amount increasing direction thereof, the operational reactive elastic forces of the plural springs are sequentially applied to the clutch lever.

Abstract: A shift control device includes a clutch for performing a connection/disconnection of power transmitted to a drive wheel from an engine based on an operation input to a shift operator, an actuator for performing a drive control of the clutch, and a controller for controlling the driving of the actuator. The controller includes an operation quantity detector for detecting an operation quantity of a shift operator, a shift starter performing a control toward the disengagement of the clutch by driving the actuator at a stage in which an operation quantity detected by the operation quantity detector exceeds a first threshold value, and a shift starter for performing a disengagement control of the clutch by driving the actuator at a stage wherein an operation quantity detected by the operation quantity detector exceeds a second threshold value which is larger than the first threshold value.

Abstract: When a predetermined time has passed without detection of engine stall and without detection of the neutral state and without detection of a vehicle starting operation, in a first control state in which a clutch is in a disengaged state, a clutch control system effects transition to a second control state in which transition to a third control state is permitted. When a vehicle starting operation is detected in the second control state B in which the clutch is in the disengaged state, a liquid pressure modulator is driven to effect transition to the third control state in which the clutch is put in the engaged state or a partially engaged state. When an engine stall or the neutral state is detected in the second control state, transition to the first control state A is effected.

Abstract: A gear shift device is used in a transmission of an engine, and includes: a shift drum that changes a speed change stage of the transmission according to a rotational position about an axis; an actuator having a driving shaft substantially orthogonal to this shift drum; a worm shaped barrel cam that is arranged parallel to the driving shaft of this actuator and that has a cam groove on an outer circumference; and a wheel gear that is coaxially fixed on the shift drum and that has a plurality of pins on an outer circumference. At least a pair of each pin of the wheel gear and the cam groove of the barrel cam is engaged with each other, and the shift drum is rotated by the actuator via the barrel cam and the wheel gear, to thereby change the speed change stage of the transmission.

Abstract: A gear shift device is provided which changes speed by transmitting rotation of a shift spindle by gear shift operation input to rotation of a shift drum through an intermittent feed mechanism and a lost motion mechanism. An upstream rotation holding mechanism is provided to hold in a required rotational position an upstream rotating member of the lost motion mechanism which is rotated by gear shift operation input through the intermittent feed mechanism. When a required level of gear shift operation is done, the gear shift device changes speed adequately, without continuing gear shift operation, and thus improves operability.

Abstract: A clutch hydraulic mechanism wherein the positional relationship between two cylinders is not varied, and a compact structure can be achieved. A see-saw member for transmitting motive power is provided between a second release cylinder and a first master cylinder and the first master cylinder and the second release cylinder are formed in the same cylinder block. This eliminates the need for adjusting the positions of the first master cylinder and the second release cylinder. In addition, it is possible to dispose the first master cylinder and the second release cylinder close to each other.

Abstract: A catalyst support can be produced by undergoing solution-preparation step S1, solution-filling step S2, drying step S3, calcination step S4, and firing step S5. The catalyst support or catalyst can include magnesium aluminate (MgAl2O4) having a specific surface area of 80 to 150 m2/g and a pore volume of 0.45 to 0.65 ml/g, the magnesium aluminate capable of having a precious metal supported thereon.

Abstract: In a transmission for a vehicle including a shift drum rotatably supported by an engine case for selectively establishing multiple gear trains of respective speed steps in accordance with the rotational position of the shift drum, a shift-position changing-driving member is interlocked with and connected to an end portion of the shift drum so as to drive the shift drum to rotate. A shift-position sensor detects which of the multiple gear trains is established. The maintainability of the shift-position sensor is achieved by a transmitting mechanism that transmits the amount of rotational movement of a shift drum. The shift-position sensor is interlocked with and connected to an end portion of the shift drum. A shift-position sensor is disposed at and fixed to the outside of an engine case so as to detect the acting amount that is transmitted by the transmitting mechanism.

Abstract: A clutch device is configured to include a clutch mechanism, a clutch actuator operatively engaging and disengaging the clutch mechanism, a clutch lever, and an assist pressure generator which generates assist hydraulic pressure by driving an electric motor. The assist hydraulic pressure is supplied to the clutch actuator to operatively engage and disengage the clutch mechanism. The clutch device further includes a first turning angle sensor which detects the turn operation angle of the clutch lever, a control unit which controllably drives the electric motor based on the turning operation amount of the clutch lever and adjusts the driving force generating gain characteristic of the electric motor, and a gain adjustment knob which variably sets the gain characteristic. The clutch device makes it possible to changeably set the magnitude of an assist force of an assist device according to a rider's preference.

Abstract: A transmission for a vehicle for performing a shift manipulation at a desired time while ensuring a favorable operation feeling. A lost motion member is arranged in a shift drive force transmitting mechanism arranged between a shift spindle and a shift drum, and a rotary position of the shift drum is resiliently held by a shift stopper mechanism in a state where one of a plurality of gear trains is established or in a neutral state. A state which allows a changeover operation of an established state of a plurality of gear trains due to an action of a shift drive force which is temporarily accumulated by a lost motion means and a state which interrupts the changeover operation can be changed over by a shift restricting mechanism which is provided as a part separate from a shift stopper mechanism.

Abstract: A clutch control device providing an engagement feeling which conforms to a state of a vehicle without requiring a correction of an engagement position even when a clutch is worn. A clutch control device includes a vehicle state detection part for detecting a state of a vehicle, an actuator control part for controlling the actuator, a target torque decision part for deciding a target friction torque value Tt to be generated by the clutch in response to a time which elapses from a point in time that the engagement of the clutch starts as well as in response to a state of the vehicle, and a target oil pressure decision part for deciding a target oil pressure value Pt corresponding to the target friction torque value Tt. The actuator control part controls the actuator so as to set an oil pressure value to the target oil pressure value Pt.

Abstract: A clutch hydraulic system for a vehicle wherein it is possible to independently operate two systems, to increase the degree of freedom in designing, and to achieve a reduction in cost. A seesaw member for transmitting motive power is provided between a second release cylinder and a first master cylinder, the first master cylinder and a second hydraulic oil pipe communicate with each other through a large diameter hole and a small diameter hole provided as communicating passages through which oil flows. A reservoir tank is provided for reserving the oil for controlling the amounts of the oil in the hydraulic oil passage on the side of the first master cylinder and the amount of the oil in the hydraulic oil passage on the side of the second release cylinder is connected to a second master cylinder.

Abstract: In twin clutch device used in an engine transmission, there are coaxially and adjacently arranged a first disk clutch and a second disk clutch of a hydraulic pressure type that displace a pressing member in an axial direction with externally supplied hydraulic pressure to exert a predetermined engagement force, and the first disk clutch and the second disk clutch respectively have: an engagement side hydraulic chamber that gives the pressing member a pressing force towards a clutch engagement side; and a pressure compensation hydraulic chamber that gives the pressing member a pressing force toward a clutch disengagement side to compensate a pressure of a returning action thereof.

Abstract: A clutch actuator device of a saddle-ride-type vehicle includes: a first master cylinder which is generating an oil pressure; a first release cylinder which is performing an engagement/disengagement operation of a clutch upon reception of the oil pressure transmitted from the first master cylinder by way of a first hydraulic pipe; and an actuator which is driving the first master cylinder in automatically performing the engagement/disengagement operation of the clutch. The clutch actuator device includes a seesaw member which constitutes a power transmission member for transmitting an operational force of a clutch lever or a drive force of the actuator to the first master cylinder, and a seesaw member rotational angle sensor which is detecting an operation quantity of the seesaw member.