JP2023150798A - Straddle type vehicle - Google Patents

Abstract

To prevent hydrogen from leaking outside a straddle-type vehicle, which includes a power unit using hydrogen as a power source.SOLUTION: A straddle-type vehicle including a hydrogen tank (29) and a power unit (12) using, as a power source, hydrogen stored in the hydrogen tank (29) comprises: a regulator (45) configured to regulate a pressure of the hydrogen to be supplied from the hydrogen tank (29) to the power unit (12); and an air cleaner box (40) configured to purify air to be supplied to the power unit (12); wherein the regulator (45) is disposed in the air cleaner box (40).SELECTED DRAWING: Figure 1

Description

The present invention relates to a saddle-ride type vehicle.

2. Description of the Related Art Hitherto, a saddle-ride type vehicle is known that includes a hydrogen tank and a power unit that uses the hydrogen stored in the hydrogen tank as a power source (for example, see Patent Document 1).

Japanese Patent Application Publication No. 2018-143037

By the way, since high-pressure hydrogen is used in the above-mentioned conventional saddle-ride type vehicle, there is a possibility that hydrogen leaks to the outside of the saddle-ride type vehicle. Therefore, it is desirable to suppress leakage of hydrogen to the outside of the saddle type vehicle.
The present invention has been made in view of the above-mentioned circumstances, and it is an object of the present invention to suppress leakage of hydrogen to the outside of the saddle-ride type vehicle in a saddle-ride type vehicle equipped with a power unit using hydrogen as a power source. purpose.

The saddle-ride type vehicle includes a hydrogen tank and a power unit powered by the hydrogen stored in the hydrogen tank, wherein the saddle-ride type vehicle includes a regulator that adjusts the pressure of hydrogen supplied from the hydrogen tank to the power unit. and an air cleaner box that purifies air supplied to the power unit, and the regulator is disposed within the air cleaner box.

It is possible to suppress leakage of hydrogen to the outside of a saddle-ride type vehicle.

1 is a side view of a saddle-ride type vehicle according to an embodiment of the present invention. FIG. 2 is a left side view of the saddle-ride type vehicle with a fuel tank, an air cleaner box, and the like not shown.

Embodiments of the present invention will be described below with reference to the drawings. In addition, in the description, directions such as front, rear, left, right, and top and bottom are the same as directions with respect to the vehicle body unless otherwise specified. Further, the symbol FR shown in each figure indicates the front of the vehicle body, the symbol UP indicates the upper side of the vehicle body, and the symbol LH indicates the left side of the vehicle body.

[Embodiment]
FIG. 1 is a side view of a saddle-ride type vehicle 10 according to an embodiment of the present invention.
The saddle type vehicle 10 includes a body frame 11, a power unit 12 supported by the body frame 11, a front fork 14 that supports a front wheel 13 in a steerable manner, a swing arm 16 that supports a rear wheel 15, and a seat for a passenger. The vehicle is equipped with a seat 17.
The saddle type vehicle 10 is a vehicle in which a passenger is seated astride a seat 17. The seat 17 is provided above the rear part of the vehicle body frame 11.

The vehicle body frame 11 includes a head pipe 18 provided at the front end of the vehicle body frame 11, a front frame 19 located behind the head pipe 18, and a rear frame 20 located behind the front frame 19. A front end of the front frame 19 is connected to the head pipe 18.
The seat 17 is supported by the rear frame 20.

The front fork 14 is supported by a head pipe 18 so as to be steerable left and right. The front wheel 13 is supported by an axle 13a provided at the lower end of the front fork 14. A steering handle 21 held by a passenger is attached to the upper end of the front fork 14.

The swing arm 16 is supported by a pivot shaft 22 supported by the vehicle body frame 11. The pivot shaft 22 is a shaft that extends horizontally in the vehicle width direction. A pivot shaft 22 is inserted through the front end of the swing arm 16 . The swing arm 16 swings up and down about a pivot shaft 22.
The rear wheel 15 is supported by an axle 15a provided at the rear end of the swing arm 16.

The power unit 12 is disposed between the front wheels 13 and the rear wheels 15 and is supported by the vehicle body frame 11.
Power unit 12 is an internal combustion engine. The power unit 12 includes a crankcase 23 and a cylinder portion 24 that accommodates a reciprocating piston. An exhaust device 25 is connected to the exhaust port of the cylinder portion 24 .
The output of the power unit 12 is transmitted to the rear wheels 15 by a driving force transmission member that connects the power unit 12 and the rear wheels 15.

The saddle type vehicle 10 also includes a front fender 26 that covers the front wheels 13 from above, a rear fender 27 that covers the rear wheels 15 from above, a step 28 on which the rider rests his/her feet, and a fuel tank that stores fuel used by the power unit 12. A tank 29 is provided.
The front fender 26 is attached to the front fork 14. The rear fender 27 and the step 28 are provided below the seat 17. The fuel tank 29 is supported by the vehicle body frame 11.

FIG. 2 is a left side view of the saddle-ride type vehicle 10 in a state in which a fuel tank 29, an air cleaner box 40, etc., which will be described later, are not shown.
Referring to FIGS. 1 and 2, saddle-ride type vehicle 10 is a motorcycle. The saddle-ride type vehicle 10 includes a vehicle body cover (not shown) that covers a vehicle body such as a vehicle body frame 11 .

The front frame 19 includes a pair of left and right main frames 31 extending rearward and downward from the head pipe 18, a pair of left and right down frames 32 extending downward from the front end of the main frame 31, and a left and right down frame 32 extending downward from the rear end of the main frame 31. A pair of pivot frames 33, a reinforcing frame 34 extending rearward from the down frame 32 and connected to the main frame 31, and a cross member 35 connecting the upper ends of the pivot frames 33 in the vehicle width direction (left and right direction). Be prepared.

The front part of the main frame 31 is vertically branched into an upper pipe part 31a connected to the upper part of the head pipe 18 and a lower pipe part 31b connected to the lower part of the head pipe 18. Note that the main frame 31 may have a single pipe section connected to the head pipe 18 without branching into the upper pipe section 31a and the lower pipe section 31b.
Further, the down frame 32 may extend downward from the head pipe 18.

The rear frame 20 includes a pair of left and right seat frames 36 extending rearward and upward from the top of the pivot frame 33, and a pair of left and right subframes 37 extending rearward and upward from the pivot frame 33 and connected to the seat frame 36.

The power unit 12 is disposed below the main frame 31 and between the down frame 32 and the pivot frame 33 in the longitudinal direction of the vehicle.
Further, the power unit 12 is arranged between the left frame of the front frame 19 and the right frame of the front frame 19.

The cylinder section 24 includes a cylinder block 24a extending forward and upward from the upper front part of the crankcase 23, a cylinder head 24b connected to the front surface of the cylinder block 24a, and a head cover 24c connected to the front surface of the cylinder head 24b. Equipped with.
The piston is housed in the cylinder block 24a.
A cylinder axis 24d of the cylinder portion 24 extends forward and upward from the crankcase 23. In a side view of the vehicle, the vertical angle of the cylinder axis 24d with respect to the horizontal is 45° or less.
The cylinder portion 24 is arranged between the left and right down frames 32.
The exhaust device 25 is connected to an exhaust port on the lower surface of the cylinder head 24b.

The power unit 12 is an internal combustion engine that uses hydrogen as fuel. That is, the power unit 12 includes a crankshaft (not shown) supported by the crankcase 23, the piston housed in the cylinder block 24a, and a connecting rod (not shown) connecting the piston and the crankshaft. Be prepared.
In the power unit 12, the piston moves in the axial direction of the cylinder axis 24d by combustion of hydrogen in the combustion chamber in the cylinder portion 24, and the movement of the piston is output as rotational movement from the crankshaft via the connecting rod. .
The power unit 12 is, for example, a four-stroke engine, but may also be a two-stroke engine.
The saddle-ride type vehicle 10 includes a control unit 39 that electronically controls the power unit 12 and the like.

The saddle type vehicle 10 includes an air cleaner box 40 that purifies the air supplied to the power unit 12.
A throttle body 41 that adjusts the amount of air flowing into the cylinder section 24 from the air cleaner box 40 and an injector 42 that injects hydrogen into the cylinder section 24 are connected to the cylinder section 24 .
The throttle body 41 is connected to an intake port on the upper surface of the cylinder head 24b.
The injector 42 is connected to the upper surface of the cylinder portion 24 . The power unit 12 is a direct injection engine in which an injector 42 directly injects hydrogen into the cylinder portion 24 .
Further, the cylinder portion 24 is provided with an ignition plug (not shown) that ignites hydrogen in the combustion chamber.
The control unit 39 controls the throttle body 41, the injector 42, the spark plug, and the like.

The air cleaner box 40 has a box shape that is longer in the vertical direction than in the longitudinal direction of the vehicle when viewed from the side of the vehicle.
The air cleaner box 40 is arranged behind the front fork 14 and above the power unit 12. The air cleaner box 40 is arranged behind the head pipe 18 and between the left and right main frames 31. The main frame 31 overlaps the air cleaner box 40 from the outside in the vehicle width direction. The air cleaner box 40 is located below the handle 21 and directly above the cylinder portion 24.

The air cleaner box 40 includes an intake port (not shown) that takes air (outside air) into the air cleaner box 40 . The air cleaner box 40 includes an air filter (not shown) that purifies the air taken in therein.
The interior of the air cleaner box 40 is partitioned by the air filter into a dirty side through which air before passing through the air filter flows and a clean side through which air purified after passing through the air filter flows.

The fuel tank 29 is a hydrogen tank that stores hydrogen under high pressure. In the following description, the fuel tank 29 will be described as the hydrogen tank 29.
The hydrogen tank 29 has a cylindrical shape that extends in the longitudinal direction of the vehicle when viewed from the side of the vehicle.
The hydrogen tank 29 is arranged behind the air cleaner box 40 and above the power unit 12.
The hydrogen tank 29 is arranged above the main frame 31 and the pivot frame 33, and extends in the longitudinal direction of the vehicle along the main frame 31 when viewed from the side of the vehicle. The hydrogen tank 29 extends further rearward than the pivot frame 33. Specifically, the hydrogen tank 29 overlaps the cylinder portion 24, the crankcase 23, and the swing arm 16 from above when viewed from the side of the vehicle. The hydrogen tank 29 is arranged ahead of the rear wheel 15.

The hydrogen tank 29 is arranged between the left and right main frames 31 in the vehicle width direction. The rear end of the hydrogen tank 29 extends rearward to the position of the rear frame 20 and is located between the left and right seat frames 36.
The seat 17 is arranged above the hydrogen tank 29 and extends along the hydrogen tank 29 in the longitudinal direction of the vehicle. Air cleaner box 40 is arranged in front of seat 17.

A regulator 45 that adjusts the pressure of hydrogen supplied from the hydrogen tank 29 to the power unit 12 is fixed to the hydrogen tank 29. The regulator 45 is directly fixed to the front end 29a of the hydrogen tank 29.
In addition to a pressure adjustment part that adjusts the pressure of hydrogen, the regulator 45 includes a shutoff valve (not shown) that shuts off the flow of hydrogen from the hydrogen tank 29 to the outside, and an inlet for hydrogen to the hydrogen tank 29. An inlet portion (not shown) is integrally provided.
The regulator 45 is connected to and controlled by the control unit 39 .

An opening 40b passing through the rear surface 40a is provided at a lower portion of the rear surface 40a of the air cleaner box 40.
The regulator 45 is inserted into the opening 40b of the rear surface 40a from the rear, and is disposed within the air cleaner box 40. The space between the opening 40b and the regulator 45 is sealed.
The regulator 45 is housed in the rear lower part of the space inside the air cleaner box 40.
Although the regulator 45 is placed on the clean side, the regulator 45 may be placed on the dirty side.

Injector 42 is directly connected to regulator 45.
Specifically, the upper part of the injector 42 is disposed within the air cleaner box 40 and is directly connected to the regulator 45 within the air cleaner box 40.
The injector 42 extends outward and downward through the lower surface 40c of the air cleaner box 40, and the lower end of the injector 42 is connected to the cylinder portion 24.
Since the injector 42 is directly connected to the regulator 45 without going through a pipe, leakage of hydrogen from the pipe can be prevented.
In addition, when the injector 42 and the regulator 45 are connected by piping, this piping may be built in the regulator 45.

The throttle body 41 is fixed to the lower surface 40c of the air cleaner box 40 from below. The lower surface 40c is the lower part of the air cleaner box 40. Throttle body 41 extends downward from lower surface 40c and is connected to cylinder head 24b.
Since the throttle body 41 is directly connected to the lower surface 40c, the connecting tube that connects the throttle body 41 to the air cleaner box 40 can be omitted.

A hydrogen filling port 50 into the hydrogen tank 29 is provided on the upper surface 40d of the air cleaner box 40. The user connects the hydrogen filling machine of the hydrogen storage facility to the filling port 50 and fills the hydrogen from the filling port 50. The upper surface 40d is the upper part of the air cleaner box 40.
The filling port 50 is arranged above the regulator 45.

A pipe 51 connecting the filling port 50 and the hydrogen tank 29 is arranged inside the air cleaner box 40.
The piping 51 extends downward from the filling port 50 within the air cleaner box 40 and is connected to the inlet portion of the regulator 45 . That is, the pipe 51 is connected to the hydrogen tank 29 via the regulator 45.
Note that the pipe 51 may be directly connected to the hydrogen tank 29 without using the regulator 45.

A sensor 52 for detecting hydrogen is provided on the upper surface 40d of the air cleaner box 40. The hydrogen detection portion of the sensor 52 is located at the upper end of the space within the air cleaner box 40. The sensor 52 is arranged above the regulator 45.
Sensor 52 is connected to control unit 39 . The control unit 39 determines hydrogen leakage from the output of the sensor 52.

Here, a case where hydrogen leaks on the downstream side of the hydrogen tank 29 will be described.
In the saddle-ride type vehicle 10, a hydrogen supply path from the hydrogen tank 29 to the injector 42 is provided in the air cleaner box 40. That is, the regulator 45 and the connection portion between the regulator 45 and the injector 42 are provided within the air cleaner box 40. Piping 51 is also provided within the air cleaner box 40.

If hydrogen leaks from the regulator 45 or the connection between the regulator 45 and the injector 42, this hydrogen will temporarily accumulate in the air cleaner box 40. Further, even when hydrogen leaks from the pipe 51, the leaked hydrogen temporarily accumulates in the air cleaner box 40. Therefore, leaked hydrogen is prevented from flowing immediately to the outside of the saddle-ride type vehicle 10.
When the power unit 12 is in operation, hydrogen leaking into the air cleaner box 40 flows from the throttle body 41 to the cylinder portion 24 together with the air inside the air cleaner box 40 and is combusted. Therefore, leakage of hydrogen to the outside of the saddle type vehicle 10 is suppressed.

Hydrogen leaked within the air cleaner box 40 rises within the air cleaner box 40 and accumulates in the upper part of the air cleaner box 40. Therefore, hydrogen leakage can be quickly detected by the sensor 52 provided on the upper surface 40d.
The inner wall of the air cleaner box 40 has a lower wall, an upper wall, and a peripheral wall connecting the lower wall and the upper wall, each of which is formed substantially flat, and the inner wall of the air cleaner box 40 has an uneven shape that allows hydrogen to easily accumulate. is not provided. Therefore, especially when hydrogen leaks when the power unit 12 is stopped, a large amount of hydrogen is prevented from accumulating in the air cleaner box 40.
Although the air cleaner box 40 has a rectangular parallelepiped shape extending vertically here, the air cleaner box 40 may have a cylindrical shape or an elliptical cylindrical shape, for example.

As described above, according to the embodiment to which the present invention is applied, the saddle-ride vehicle 10 includes a hydrogen tank 29 and a power unit 12 powered by the hydrogen stored in the hydrogen tank 29. A regulator 45 that adjusts the pressure of hydrogen supplied to the power unit 12 from the tank 29 and an air cleaner box 40 that purifies the air supplied to the power unit 12 are provided, and the regulator 45 is disposed within the air cleaner box 40. .
According to this configuration, hydrogen leaked to the downstream side of the regulator 45 remains within the air cleaner box 40. When the power unit 12 is in operation, hydrogen in the air cleaner box 40 flows to the power unit 12. Therefore, leakage of hydrogen to the outside of the saddle type vehicle 10 can be suppressed.

Further, a sensor 52 for detecting hydrogen in the air cleaner box 40 is provided in the air cleaner box 40.
According to this configuration, leaked hydrogen temporarily accumulates in the air cleaner box 40 and can be detected by the sensor 52, so that hydrogen leakage can be detected quickly.

Further, the sensor 52 is provided above the regulator 45 and on the upper surface 40d of the air cleaner box 40.
According to this configuration, hydrogen rising inside the air cleaner box 40 can be detected satisfactorily by the sensor 52 on the upper surface 40d of the air cleaner box 40. Therefore, hydrogen leakage can be detected quickly.

Further, a hydrogen filling port 50 for filling the hydrogen tank 29 is provided on the upper surface 40d of the air cleaner box 40.
According to this configuration, since the filling port 50 can be easily accessed, it is easy to fill the hydrogen tank 29 with hydrogen.

Further, a pipe 51 connecting the filling port 50 and the hydrogen tank 29 is arranged inside the air cleaner box 40.
According to this configuration, hydrogen leaking from the pipe 51 can be retained within the air cleaner box 40, and leakage of hydrogen to the outside of the saddle type vehicle 10 can be suppressed.

Further, the regulator 45 is directly fixed to the hydrogen tank 29.
According to this configuration, there is no need for piping to connect the regulator 45 and the hydrogen tank 29, so hydrogen leakage can be suppressed.

Further, the inner wall of the air cleaner box 40 is not provided with an uneven shape where hydrogen can accumulate.
According to this configuration, leaked hydrogen can be quickly raised within the air cleaner box 40.

Further, the power unit 12 is provided with an injector 42 that injects hydrogen, and the injector 42 is directly connected to a regulator 45.
According to this configuration, there is no need for piping to connect the injector 42 and the regulator 45, so hydrogen leakage can be suppressed.

Further, a front fork 14 is provided which supports the front wheel 13 so as to be steerable left and right, an air cleaner box 40 is arranged behind the front fork 14 and above the power unit 12, and a hydrogen tank 29 is arranged behind the air cleaner box 40. Moreover, it is arranged above the power unit 12.
According to this configuration, the air cleaner box 40 and the hydrogen tank 29 can be efficiently arranged by utilizing the space behind the front fork 14 and above the power unit 12, and the capacity of the air cleaner box 40 and the capacity of the hydrogen tank 29 can be reduced. You can secure a large amount.

Further, the hydrogen tank 29 has a cylindrical shape that extends in the longitudinal direction of the vehicle, and the regulator 45 is provided at the front end 29a of the hydrogen tank 29. The regulator 45 is inserted into the air cleaner box 40 from the rear surface 40a of the air cleaner box 40. is inserted into.
According to this configuration, the hydrogen tank 29 is disposed behind the air cleaner box 40 and above the power unit 12 using a long space in the longitudinal direction of the vehicle, so that a large capacity of the hydrogen tank 29 can be secured. Further, the regulator 45 can be arranged inside the air cleaner box 40 from the rear surface 40a of the air cleaner box 40 with a simple structure.

Further, the power unit 12 is arranged directly below the air cleaner box 40, and a throttle body 41 that adjusts the amount of air flowing from the air cleaner box 40 to the power unit 12 is fixed to the lower surface 40c of the air cleaner box 40.
According to this configuration, since the throttle body 41 is fixed to the lower part of the air cleaner box 40, the throttle body 41 can be fixed with a simple structure using the air cleaner box 40. Further, since the air cleaner box 40 can be easily expanded toward the power unit 12 side, a large capacity of the air cleaner box 40 can be secured.
Note that, instead of directly connecting the throttle body 41 to the lower surface 40c, a structure may be adopted in which, for example, the throttle body 41 is connected to the lower surface 40c via a connecting tube.

Note that the above embodiment shows one mode to which the present invention is applied, and the present invention is not limited to the above embodiment.
Although the above embodiment has been described using an internal combustion engine as an example of a power unit using hydrogen as a power source, the present invention is not limited thereto. For example, the power unit may be a unit that includes a fuel cell stack that uses hydrogen and an electric motor that is driven by electric power generated by the fuel cell stack. In this case, the regulator 45 may be placed inside an air cleaner box that purifies the air supplied to the fuel cell stack.
In the above embodiment, a motorcycle has been described as an example of the saddle-riding vehicle 10, but the present invention is not limited to this. It is applicable to saddle-riding vehicles and saddle-riding vehicles with four or more wheels.

[Configuration supported by the above embodiment]
The above embodiment supports the following configurations.

(Structure 1) In a saddle-type vehicle that includes a hydrogen tank and a power unit using hydrogen stored in the hydrogen tank as a power source, a regulator that adjusts the pressure of hydrogen supplied from the hydrogen tank to the power unit; A saddle-ride type vehicle, further comprising an air cleaner box that purifies air supplied to the power unit, and wherein the regulator is disposed within the air cleaner box.
According to this configuration, hydrogen leaked to the downstream side of the regulator remains within the air cleaner box. When the power unit is in operation, hydrogen in the air cleaner box flows to the power unit. Therefore, leakage of hydrogen to the outside of the saddle type vehicle can be suppressed.

(Structure 2) The saddle type vehicle according to Structure 1, wherein a sensor for detecting hydrogen in the air cleaner box is provided in the air cleaner box.
According to this configuration, leaked hydrogen temporarily accumulates in the air cleaner box and can be detected by the sensor, so that hydrogen leakage can be detected quickly.

(Structure 3) The saddle-ride type vehicle according to claim 2, wherein the sensor is provided above the regulator and above the air cleaner box.
According to this configuration, hydrogen rising inside the air cleaner box can be detected satisfactorily by the sensor at the top of the air cleaner box. Therefore, hydrogen leakage can be detected quickly.

(Structure 4) The saddle-ride type vehicle according to any one of Structures 1 to 3, wherein a hydrogen filling port for the hydrogen tank is provided at an upper part of the air cleaner box.
According to this configuration, since the filling port can be easily accessed, it is easy to fill the hydrogen tank with hydrogen.

(Structure 5) The saddle type vehicle according to Structure 4, wherein a pipe connecting the filling port and the hydrogen tank is disposed within the air cleaner box.
According to this configuration, hydrogen leaking from the piping can be retained in the air cleaner box, and leakage of hydrogen to the outside of the saddle-ride type vehicle can be suppressed.

(Structure 6) The saddle-ride type vehicle according to any one of Structures 1 to 5, wherein the regulator is directly fixed to the hydrogen tank.
According to this configuration, there is no need for piping to connect the regulator and the hydrogen tank, so hydrogen leakage can be suppressed.

(Structure 7) The saddle-ride type vehicle according to any one of Structures 1 to 6, wherein the inner wall of the air cleaner box is not provided with an uneven shape in which hydrogen accumulates.
According to this configuration, leaked hydrogen can be quickly raised within the air cleaner box.

(Structure 8) The saddle type vehicle according to any one of Structures 1 to 7, wherein the power unit is provided with an injector that injects hydrogen, and the injector is directly connected to the regulator.
According to this configuration, there is no need for piping to connect the injector and the regulator, so hydrogen leakage can be suppressed.

(Configuration 9) A front fork that supports a front wheel so as to be steerable left and right is provided, the air cleaner box is arranged behind the front fork and above the power unit, and the hydrogen tank is arranged behind the air cleaner box. 9. The saddle type vehicle according to any one of configurations 1 to 8, wherein the saddle type vehicle is disposed above the power unit.
According to this configuration, the air cleaner box and the hydrogen tank can be efficiently arranged by utilizing the space behind the front fork and above the power unit, and the capacity of the air cleaner box and the capacity of the hydrogen tank can be ensured to be large.

(Configuration 10) The hydrogen tank has a cylindrical shape that extends in the longitudinal direction of the vehicle, and the regulator is provided at the front end of the hydrogen tank, and the regulator is inserted into the air cleaner box from the rear surface of the air cleaner box. 9. The saddle-ride type vehicle according to configuration 9, wherein the saddle-ride type vehicle is inserted into the saddle.
According to this configuration, the hydrogen tank is disposed behind the air cleaner box and above the power unit using a long space in the longitudinal direction of the vehicle, so that a large capacity of the hydrogen tank can be secured. Additionally, the regulator can be placed inside the air cleaner box from the rear of the air cleaner box with a simple structure.

(Structure 11) The power unit is arranged directly below the air cleaner box, and a throttle body that adjusts the amount of air flowing from the air cleaner box to the power unit is fixed to a lower part of the air cleaner box. The saddle type vehicle according to any one of configurations 1 to 10.
According to this configuration, since the throttle body is fixed to the lower part of the air cleaner box, the throttle body can be fixed with a simple structure using the air cleaner box. Furthermore, since the air cleaner box can be easily expanded toward the power unit, a large capacity of the air cleaner box can be secured.

10 Saddle type vehicle 12 Power unit 13 Front wheel 14 Front fork 29 Hydrogen tank 29a Front end 40 Air cleaner box 40a Rear surface 40c Bottom surface (lower part)
40d Top surface (top)
41 Throttle body 42 Injector 45 Regulator 50 Filling port 51 Piping 52 Sensor

Claims (11)

A saddle-ride type vehicle comprising a hydrogen tank (29) and a power unit (12) powered by the hydrogen stored in the hydrogen tank (29),
A regulator (45) that adjusts the pressure of hydrogen supplied from the hydrogen tank (29) to the power unit (12), and an air cleaner box (40) that purifies the air supplied to the power unit (12) are provided. ,
The saddle type vehicle is characterized in that the regulator (45) is disposed within the air cleaner box (40). The saddle type vehicle according to claim 1, wherein a sensor (52) for detecting hydrogen in the air cleaner box (40) is provided in the air cleaner box (40). The saddle-ride type vehicle according to claim 2, wherein the sensor (52) is provided above the regulator (45) and at an upper portion (40d) of the air cleaner box (40). The saddle riding according to any one of claims 1 to 3, characterized in that a hydrogen filling port (50) to the hydrogen tank (29) is provided at an upper part (40d) of the air cleaner box (40). type vehicle. The saddle type vehicle according to claim 4, wherein a pipe (51) connecting the filling port (50) and the hydrogen tank (29) is disposed within the air cleaner box (40). The saddle-ride type vehicle according to any one of claims 1 to 5, wherein the regulator (45) is directly fixed to the hydrogen tank (29). The saddle-ride type vehicle according to any one of claims 1 to 6, wherein the inner wall of the air cleaner box (40) is not provided with an uneven shape in which hydrogen accumulates. Any one of claims 1 to 7, characterized in that the power unit (12) is provided with an injector (42) for injecting hydrogen, and the injector (42) is directly connected to the regulator (45). The described saddle-riding vehicle. A front fork (14) is provided to support the front wheel (13) so that it can be steered left and right.
The air cleaner box (40) is arranged behind the front fork (14) and above the power unit (12),
The saddle-ride type vehicle according to any one of claims 1 to 8, wherein the hydrogen tank (29) is arranged behind the air cleaner box (40) and above the power unit (12). The hydrogen tank (29) has a cylindrical shape that extends in the longitudinal direction of the vehicle,
The regulator (45) is provided at the front end (29a) of the hydrogen tank (29),
The saddle type vehicle according to claim 9, wherein the regulator (45) is inserted into the air cleaner box (40) from a rear surface (40a) of the air cleaner box (40). The power unit (12) is arranged directly below the air cleaner box (40),
A throttle body (41) that adjusts the amount of air flowing from the air cleaner box (40) to the power unit (12) is fixed to a lower part (40c) of the air cleaner box (40). The saddle-ride type vehicle according to any one of Items 1 to 10.

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