FUEL TANK AND METHOD OF MANUFACTURING

A fuel tank includes metal-made upper (30) and lower (32) tank half bodies respectively having, on respective outer peripheries thereof, an upper joint flange (31) and a lower joint flange (33) joined thereto. The lower tank half body (32) includes: a lower tank main body portion (34) that is elonga...

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Bibliographische Detailangaben
Hauptverfasser:	TAKASHIMA, Motoaki, MASUDA, Ryuji, MURASAWA, Kota, HIRANO, Kohei
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES PECULIAR TO CYCLES AND NOT OTHERWISE PROVIDED FOR,e.g. ARTICLE CARRIERS, CYCLE PROTECTORS ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES CYCLE SADDLES OR SEATS INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A fuel tank includes metal-made upper (30) and lower (32) tank half bodies respectively having, on respective outer peripheries thereof, an upper joint flange (31) and a lower joint flange (33) joined thereto. The lower tank half body (32) includes: a lower tank main body portion (34) 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 (35) 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 (34), and bulge downward from the reference plane.