Fuel tank provided with air guide structure of straddle-type vehicle
AssigneeSuzuki Kabushiki Kaisha
InventorYutaka Hatakeyama
Life of this patent
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Abstract
A fuel tank generally comprises a tank body, a fuel inlet formed to an upper portion of the tank body, and a cap provided for the fuel inlet. The tank body is provided with a recessed portion recessed in a direction separating from at least one of a vehicle body frame and a vehicle body cover covering the frame so as to form a space therebetween as an air-flow passage. The air-flow passage is composed of, from a vehicle front side, an air introducing section, an air-flow separation section and a separated air-flow section which faces an opening of the intake system of the engine.
Claims19
A fuel tank provided with an air guide structure for a straddle seat vehicle which has a body frame extending in a longitudinal direction of a vehicle body and a body cover covering the body frame, and in which a fuel tank is disposed inside the body cover, a driver's seat is arranged behind the fuel tank, and an engine having an intake system is disposed below the fuel tank, the fuel tank comprising:
- a tank body;
- a fuel inlet formed to an upper portion of the tank body;
- and
- a cap provided for the fuel inlet, wherein
- the tank body is provided with a recessed portion recessed in a direction separating from at least one of the body frame and the body cover so as to form a space therebetween as an air-flow passage, and the air-flow passage comprising, from a vehicle front side, an air introducing section including a ceiling portion, an air-flow separation section provided with a protruded portion extending downward from the ceiling portion of the air introducing section, and a separated air-flow section which faces an opening of the intake system of the engine, and
- the separated air-flow section includes a ceiling that has a vertical height higher than that of the air introducing section.
A straddle seat vehicle, comprising:
- a body frame extending in a longitudinal direction of the vehicle;
- a body cover covering the body frame;
- a fuel tank including a tank body disposed inside the body cover;
- a driver's seat arranged partially behind the fuel tank;
- and
- an engine having an intake system, the engine being disposed partially below the fuel tank, wherein
- the tank body includes a recessed portion separated from at least one of the body frame and the body cover so as to form an air-flow passage therebetween,
- the air-flow passage includes an air introducing section including a ceiling portion, an air-flow separation section including a protruded portion extending downward from the ceiling portion of the air introducing section, and a separated air-flow section which faces an opening of the intake system of the engine, and
- the opening of the intake system is disposed at a position in front of a gap between a tank cover and the driver's seat.
A fuel tank, comprising:
- a tank body;
- a fuel inlet formed to an upper portion of the tank body;
- and
- a cap provided for the fuel inlet, wherein
- the tank body includes a recessed portion forming an air-flow passage, the air-flow passage including an air introducing section including a ceiling portion, an air-flow separation section including a protruded portion extending downward from the ceiling portion of the air introducing section, and a separated air-flow section configured to face an opening of an intake system of an engine, and
- the separated air-flow section includes a ceiling that has a vertical height higher than that of the air introducing section.
Dependencies are inferred from the claim text.