Patent ID: 7441619
Filing Date: 2008-10-28
Classification: B62J

Abstract:
1. 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.