ENGINE UNIT AND SADDLED VEHICLE

When fuel vapor is actively introduced from a canister into a combustion chamber, an engine is controlled easily. A communication passage member 163 through which fuel vapor is introduced from a canister 161 into an intake passage member 110 is provided. A flow regulating valve 170 is provided to th...

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Bibliographische Detailangaben
Hauptverfasser:	WATANABE, Yuichiro, OKUWA, Yoshinori, HARA, Takahiko
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	When fuel vapor is actively introduced from a canister into a combustion chamber, an engine is controlled easily. A communication passage member 163 through which fuel vapor is introduced from a canister 161 into an intake passage member 110 is provided. A flow regulating valve 170 is provided to the communication passage member 163. In a downstream intake passage portion 110d, pressure varies in a pressure-variation manner such that: a larger depression having a larger difference from atmospheric pressure and a smaller depression having a smaller difference from atmospheric pressure are created in each four-stroke cycle; and the creation of the larger and smaller depressions is repeated on a four-stroke basis. The opening degree of the flow regulating valve 170 is controlled on the basis of a four-stroke-based manner of the pressure variation.