Suzuki Patente

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There is provided an exhaust device that purifies exhaust gas discharged from an engine through an exhaust pipe. The exhaust device includes: a chamber that forms an expansion chamber of the exhaust gas at a downstream side of the exhaust pipe; a partition wall that partitions the expansion chamber into a first expansion chamber and a second expansion chamber; an introduction pipe that enters the second expansion chamber from a downstream end of the exhaust pipe; and a catalyst interposed at an intermediate portion of the introduction pipe in the second expansion chamber. The partition wall is formed with a first opening connecting an outlet of the introduction pipe to the first expansion chamber and a second opening connecting the first expansion chamber to the second expansion chamber, and the second opening overlaps with the catalyst when viewed from a side of the first expansion chamber.

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[Object] It is to provide a control device of an internal combustion engine capable of efficiently starting the internal combustion engine at a recovery from a fuel cut. [Solution] There are provided: cylinders 5; an intake variable valve mechanism 3A to change valve opening and closing characteristics of intake valves 14 of the cylinders; an exhaust variable valve mechanism 3B to change valve opening and closing characteristics of exhaust valves 24 of the cylinders; and a control unit 51 to perform an exhaust introduction control of respectively closing and opening, while a fuel-supply to the cylinder(s) is stopped, the intake and exhaust valves using the intake and exhaust variable valve mechanisms. If there is an all-cylinders fuel cut request for stopping the fuel-supply to all the cylinders, the control unit introduces a fresh air into all the cylinders and thereafter, performs the exhaust introduction control.

[Object]It is to provide a control device of a vehicle capable of, even in a case where a failure to cause a clutch to be damaged occurs, properly setting a period of time for which the vehicle is allowed to travel with a driver's intention while avoiding a damage of the clutch.[Solution]An ECM sets, when an actuator or TCM malfunctions (YES at step S 1 or step S2), a continuous travel allowable period of time, for which a vehicle is allowed to continuously travel without causing a damage of a clutch, based on a damage risk of the clutch (step S7, step S8). After the set continuous travel allowable period elapses (YES at step S9), the ECM places the vehicle in a predetermined limited-traveling state where an idle torque limitation is performed by which a load to act on the clutch is rendered relatively-small (step S10). In the limited-traveling state, an engine rotation speed is limited to an idling rotation speed or near.

[Problem to be Solved] To provide an oil passage structure of an internal combustion engine (1) that can quickly operate an intake-side valve timing adjustment device (15) after starting the internal combustion engine (1), making it possible to reduce exhaust gas and reduce fuel consumption. [Solution] In an oil passage structure of an engine (1), a main oil passage (62) and an exhaust-side head oil passage (64) extend upward toward an exhaust-side cam cap internal oil passage (66) from below the exhaust-side cam cap internal oil passage (66), an intake-side head oil passage (63) includes a first intake-side head oil passage (63A) extending toward an intake-side wall (4B) of a cylinder head (4) from a main oil passage (62) and a second intake-side head oil passage (63B) extending upward from an outer end portion (63a) in a direction in which the first intake-side head oil passage (63A) extends and leading to an intake-side cam cap internal oil passage (65), and the second intake-side head oil passage (63B) is provided with a sensor attachment boss (69) that attaches a hydraulic pressure sensor (70).

A throttle grip device includes: a throttle grip; an interlocking member including an engaged portion engaged with an engaging portion formed on the throttle grip, and rotating in conjunction with the normal rotation and the reversed rotation of the throttle grip; a first urging unit configured to urge the interlocking member toward the initial position when the throttle grip is subjected to the normal rotation; a second urging unit configured to urge the interlocking member toward the initial position when the throttle grip is subjected to the reversed rotation; a rotation angle detecting unit detecting a rotation angle of the throttle grip by detecting a rotation angle of the interlocking member; and a pressing unit pressing the engaging portion against the engaged portion by an urging force of the second urging unit when the throttle grip is in the initial position.

An oil pan 10 includes an oil pan main body 11 whose bottom wall 14 includes a deep bottom portion 14A and a shallow bottom portion 14B. The shallow bottom portion 14B is arranged adjacent the deep bottom portion 14A in a crankshaft axial direction 4a and located at a higher position than deep bottom portion 14A. The shallow bottom portion 14B connects with the deep bottom portion 14A through a stepped portion 14C. When a specified amount of oil is stored in the oil pan main body 11, the level of the oil lies above the shallow bottom portion 14B. The shallow bottom portion 14B includes a middle bottom section 14D, a front raised bottom section 14E, and a rear raised bottom section 14F. The middle bottom section 14B occupies a central portion of the shallow bottom portion 14B in a direction crossing the crankshaft 4. The front raised bottom section 14E and the rear raised bottom section 14F are arranged on opposite sides of the middle bottom section 14B in the direction crossing the crankshaft 4 and located at a higher position than the middle bottom section. This structure serves to optimize the volume and level of oil stored in the oil pan main body 11 and reduce mechanical vibration of the oil pan main body 11.

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A single-cylinder engine (40) includes a cylinder and a cylinder (42) and a cylinder head (43) stacked on an upper portion of a crankcase (41), and an electronically controlled throttle (61) interposed in an intake passage (56) behind the cylinder head. The vehicle body frame includes a pair of main frames (12) extending rearward from a head pipe (11), and rear portions of the pair of main frames form a pair of body frames (13) bent downward behind the cylinder head. The electronically controlled throttle includes a throttle valve (63) provided in the intake passage and an actuator (65) that opens and closes the throttle valve, and in a side view, an upper edge (73) of the actuator is along a lower edge (71) of the suspension bracket, and a rear edge (74) of the actuator is along front edges (72) of the body frames.

A vehicle such as a motorcycle includes a seat (25), a body cowl covering an under-seat region, a fuel tank (42) disposed in the under-seat region to store a gas fuel lower in specific gravity than air, a gaseous fuel reactor (41) disposed in the under-seat region, and a gas fuel sensor (52). The seat includes an under-seat curved bent portion surrounded at least by a seat base (55) so as to provide a larger space in the under-seat region, and if an uppermost point of a defining portion (63) is designated as a point T, the defining portion (63) protruding downward along a vehicle body from the seat base (55) to define a substantially dome-shaped depression (62) in a part of the under-seat curved bent portion, the gas fuel sensor (52) is located in the depression (62) and at least a part of the sensor (52) is arranged above a horizontal line passing through the point T. <img class="EMIRef" id="147013816-iaf01" />

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Problem to be Solved: To provide a fuel cell vehicle capable of efficiently protecting a fuel tank and improving cooling efficiency of a fuel cell unit.Solution: The fuel cell vehicle of the present invention includes: a riding part configured to be able to allow a passenger to ride in; a drive part including a rear wheel and a motor configured to drive the rear wheel; and a compartment that mounts a fuel cell unit configured to generate electric power used to drive the motor and a fuel tank configured to store fuel used for generation of the electric power in the fuel cell unit, the drive part being located on a rear side of the vehicle with respect to the riding part, the compartment including a tank compartment located between the riding part and the drive part and an air inlet duct configured to allow air to flow into the compartment, the fuel tank being disposed such that the Shut-off valve of the fuel tank is directed to one side in a vehicle width direction in the tank compartment, the air inlet duct being located closer to one side in the vehicle width direction from the Shut-off valve and overlapped on the Shut-off valve as viewed in the vehicle width direction, the compartment including a venting port configured to vent the air inlet duct with the tank compartment.

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To sufficiently ensure a vibration damping effect of a motorcycle seat rail and to efficiently improve strength of the seat rail.The present invention relates to a seat rail installed on a vehicle body of a motorcycle. The seat rail includes an upper lateral member located on a lateral side in a width direction of the vehicle body and made of a fiber reinforced resin, the upper lateral member including a lower flange that protrudes in the width direction of the vehicle body from a lower edge of the upper lateral member. Furthermore, the seat rail includes a lower lateral member located downward from the upper lateral member and made of metal, and a lower surface of the lower flange of the upper lateral member is joined to an upper surface of the lower lateral member by adhesive.

A remote controller according to an aspect of the present invention includes a speaker, an information receiver, a controller, and a display. The speaker sends an ultrasonic signal that controls an action of an in-vehicle device. The information receiver detects information related to noise sound inside a vehicle. The controller calculates propagability index of the ultrasonic signal from the information related to noise sound. The display displays the propagability index as communication quality level of the ultrasonic signal.

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