General-purpose engine fuel tank fuel vapor treatment system

A general-purpose engine fuel tank fuel vapor treatment system includes: a canister (N) mounted on a peripheral part of a fuel filler opening (11) of a fuel tank (T) mounted on a general-purpose engine, the canister (N) housing a fuel adsorbent (32) for adsorbing fuel vapor generated in the interior...

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Bibliographische Detailangaben
Hauptverfasser:	KATSUYA TAJIMA, EIICHI UTSUGI, SOUJI KASHIMA, SHOSAKU CHIBA
Format:	Patent
Sprache:	eng
Schlagworte:	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 INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A general-purpose engine fuel tank fuel vapor treatment system includes: a canister (N) mounted on a peripheral part of a fuel filler opening (11) of a fuel tank (T) mounted on a general-purpose engine, the canister (N) housing a fuel adsorbent (32) for adsorbing fuel vapor generated in the interior of the fuel tank (T); and an air vent provided in a tank cap (C) fitted into the filler opening (11) of the fuel tank (T). The air vent has an inner end opening in the interior of the fuel tank (T), and an outer end opening to the atmosphere. The canister (N) is connected to the air vent. The interior of the fuel tank (T) is made open to the atmosphere via the canister (N) and the air vent. Thus, need for special piping is eliminated and fuel vapor within the fuel tank (T) is treated while always stably maintaining the interior of the fuel tank (T) at atmospheric pressure.