Suzuki Motor Corporation

Yokohama-shi, Japan

Suzuki Motor Corporation

Yokohama-shi, Japan
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A crank chamber internal pressure reduction mechanism for internal combustion engine includes a crankshaft, a rotating shaft (a balancer shaft), a suction mechanism (a primary drive gear), a first discharge passage (a discharge passage, a joining passage, and a discharge hose), and a second discharge passage (a discharge passage). The crankshaft is rotatably supported to a crankcase. To the rotating shaft, a rotation force is transmitted from the crankshaft. The suction mechanism is disposed at the rotating shaft. The suction mechanism rotates integrally with the rotating shaft. To the first discharge passage, the emission is discharged from the crank chamber. The second discharge passage is communicated with the first discharge passage. The second discharge passage is disposed inside the rotating shaft. The suction mechanism includes a third discharge passage (a hole). The third discharge passage is communicated with the second discharge passage. The third discharge passage extends outside the rotating shaft in a radial direction to communicate with an external space.


Patent
Suzuki Motor Corporation | Date: 2017-01-10

A prevention safety device in course change of small-sized vehicle includes a rear vehicle detector, a detection state determining unit, and a vehicles own information transmitting unit. The rear vehicle detector is configured to detect a rear vehicle travelling at a rear of ones own vehicle. The detection state determining unit is configured to determine whether the rear vehicle detects ones own vehicle or not when the rear vehicle detected by the rear vehicle detector is an autonomous vehicle. The vehicles own information transmitting unit is configured to transmit vehicles own information to the rear vehicle immediately before ones own vehicle changes a course when the detection state determining unit determines that the rear vehicle does not detect ones own vehicle.


Patent
Suzuki Motor Corporation | Date: 2017-01-10

In an upper mount portion, a steering central axis related to a steering force of a steering handle and a vibration central axis related to a torque reaction force of an engine are configured to be shifted back and forth. Amount member is formed such that a spring constant related to the vibration central axis is smaller than a spring constant related to the steering central axis.


Patent
Suzuki Motor Corporation | Date: 2017-01-20

A transmission mechanism includes a plurality of drive gears disposed on a counter shaft and a plurality of driven gears disposed on a drive shaft. Each of the plurality of drive gears is engaged with each of the plurality of driven gears to forma plurality of shift-gear pairs. An eight-speed drive gear, which forms an eight-speed shift-gear pair having the smallest reduction gear ratio, and a seven-speed drive gear, which forms a seven-speed shift-gear pair having the second smallest reduction gear ratio, are disposed adjacent one another at a center portion of an arrangement of the drive gears. An eight-speed driven gear, which forms the eight-speed shift-gear pair, and a seven-speed driven gear, which forms the seven-speed shift-gear pair, are disposed adjacent one another at a center portion of an arrangement of the driven gears.


Patent
Suzuki Motor Corporation | Date: 2016-09-21

There is provided a swing arm configured to be coupled to a vehicle body frame to be vertically swingable via a pivot shaft. A main body has a pivot pipe in which the pivot shaft is to be inserted. A pair of right and left arm parts extend rearward from the main body. The main body is made by casting to have a hollow structure. The main body is provided with a rib configured to vertically partition an internal space thereof. The rib is connected to the pivot pipe at a place spaced from a connection place between the pivot pipe and an outer wall part defining an outer surface shape of the main body.


Patent
Suzuki Motor Corporation | Date: 2016-09-02

A motor has a motor gear installed in a motor output shaft to rotate in synchronization. A gearshift actuation transmission mechanism has a gear shift cam-side actuator gear directly engaged with a gear shift cam to transmit rotation. The gear shift cam-side actuator gear meshes with the motor gear directly or indirectly by interposing another actuator gear to transmit the rotation from the motor to the gear shift cam.


Patent
Suzuki Motor Corporation | Date: 2016-08-11

A vehicle transmission system includes a shift cam rotated by rotary power from an output torque of a gearshift actuator motor to change a gearshift position and a rotational position holding mechanism configured to hold a rotational position of the shift cam. The rotational position holding mechanism has a rotatable member that is rotated in synchronization with the shift cam and has a plurality of indented portions along a rotational direction and a stopper member inserted into the indented portion of the rotatable member to hold a rotational position of the rotatable member. An unindented portion between the plurality of indented portions on the outer circumferential surface of the rotatable member is formed on a circular arc curved surface concentric on a rotation center line.


Patent
Suzuki Motor Corporation | Date: 2016-08-29

There is provided a sensor support structure. A bracket is fixed to a vehicle body frame comprised of a plurality of frame members. A sensor is attached to a first attachment surface of the bracket. A component is attached to a second attachment surface of the bracket. The sensor is disposed in a space surrounded by the plurality of frame members of the vehicle body frame.


Patent
Suzuki Motor Corporation | Date: 2016-08-19

A shock absorber has an inner tube embedded in a steering stem shaft and an outer tube provided slidably. A front fork is fixed to a lower end of the outer tube, and the inner tube is fixed to an upper end of the steering stem shaft. The steering stem shaft is provided with a guide trench extending in a telescoping direction and having a long hole shape. A roller bearing is provided on an outer circumferential surface of the outer tube and is inserted into the guide trench movably along the guide trench. As a result, relative movement between the steering stem shaft and the outer tube in the telescoping direction is permitted while relative rotation is restricted.


Patent
Suzuki Motor Corporation | Date: 2016-09-01

An engine case includes bearings, an oil pump, lubricating oil passages, and a relief device. The bearings rotatably support a crankshaft and a camshaft. The oil pump and the lubricating oil passages are configured to pressure-feed lubricating oil to the bearings. The relief device is configured to adjust a pressure of the lubricating oil. The lubricating oil passages include main lubricating oil passages. The main lubricating oil passages include communication portions linearly formed with extending portions. The communication portions communicate between the respective bearings of the crankshaft and the camshaft from outside the engine case. The extending portions extend from outside the engine case to the bearing of the camshaft. The relief device is disposed having a relief valve and a relief hole at the extending portions.

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