A fuel tank includes metal-made upper and lower tank half bodies respectively having, on respective outer peripheries thereof, an upper joint flange and a lower joint flange joined thereto. The lower tank half body includes: a lower tank main body portion that is elongated in a direction parallel to a reference plane including joint surfaces of lower and upper planar flange portions as parts of the lower and upper joint flanges, respectively, includes, along a longitudinal direction thereof, a narrow portion narrower on one side than the other side, and bulges toward a lower side from the reference plane; and a pair of expansion tank portions that are disposed on opposite sides of the narrow portion as seen in a plan view from a direction orthogonal to the reference plane, formed to be shallower than the lower tank main body portion, and bulge downward from the reference plane.
FUEL TANK, METHOD OF MANUFACTURING FUEL TANK, AND SADDLE RIDING VEHICLE
04.04.2019
Patent
Elektronische Ressource
Englisch
IPC: | B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS / B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL , Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs / B62K Fahrräder , CYCLES |
Fuel tank, method of manufacturing fuel tank, and saddle riding vehicle
Europäisches Patentamt | 2021
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