Four-wheel vehicle
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorTatsuya Tanaka
Life of this patent
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Abstract
A four-wheel vehicle includes an engine at least a portion of which is located farther forward than a seat, a fuel tank located above the engine and forwardly of the seat, a fuel filler including a fuel filler neck and a filler cap, a breather channel connected to the fuel filler, and an outflow prevention valve in the breather channel to prevent outflow of liquid fuel. The outflow prevention valve is located higher in a side view of the vehicle body than both of a lower end of the fuel tank and an upper end of the engine.
Claims23
A four-wheel vehicle comprising:
- right and left front wheels;
- right and left rear wheels;
- a vehicle frame;
- a seat that a driver sits on;
- an engine at least a portion of which is located farther forward than the seat;
- a fuel tank located above the engine and forwardly of the seat;
- a fuel filler including a fuel filler neck of the fuel tank and a filler cap that closes a filler opening of the fuel filler neck;
- a breather channel connected to the fuel filler;
- and
- an outflow prevention valve in the breather channel to prevent outflow of liquid fuel;
- wherein
- the outflow prevention valve is located, in a side view of the vehicle, above both of a lower end of the fuel tank and an upper end of the engine.
A four-wheel vehicle comprising:
- right and left front wheels;
- right and left rear wheels;
- a vehicle frame;
- a seat that a driver sits on;
- an engine at least a portion of which is located farther forward than the seat;
- a fuel tank located above the engine and forwardly of the seat;
- a fuel filler including a fuel filler neck of the fuel tank and a filler cap that closes a filler opening of the fuel filler neck;
- a breather channel connected to the fuel filler;
- and
- an outflow prevention valve in the breather channel to prevent outflow of liquid fuel;
- wherein
- the outflow prevention valve is mounted on the fuel tank.
A four-wheel vehicle comprising:
- right and left front wheels;
- right and left rear wheels;
- a vehicle frame;
- a seat that a driver sits on;
- an engine at least a portion of which is located farther forward than the seat;
- a fuel tank located above the engine and forwardly of the seat;
- a fuel filler including a fuel filler neck of the fuel tank and a filler cap that closes a filler opening of the fuel filler neck;
- a vapor-liquid separation chamber inside the fuel filler and partitioned from a fuel storage space of the fuel tank;
- a breather channel connected to the vapor-liquid separation chamber;
- and
- an outflow prevention valve in the breather channel to prevent outflow of liquid fuel.
Dependencies are inferred from the claim text.