FUEL VAPOR TREATMENT APPARATUS FOR ENGINE

An intake passage 2 of an engine includes a throttle valve 22, a supercharger 3, and a bypass passage 25 connecting an upstream side with a downstream side of the supercharger 3 and opening when the supercharger 3 is not acting. When the supercharger 3 is not acting, the intake passage 2 generates f...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAUCHI, Taketoshi, TAKAMI, Kenji, ROKUYAMA, Katsuya, YOSHIDA, Ken, KATO, Jiro, TANAKA, Kazuaki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING 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:	An intake passage 2 of an engine includes a throttle valve 22, a supercharger 3, and a bypass passage 25 connecting an upstream side with a downstream side of the supercharger 3 and opening when the supercharger 3 is not acting. When the supercharger 3 is not acting, the intake passage 2 generates forward flows 91 and 92 in which intake air flows from the throttle valve 22 toward the supercharger 3 and bypass-directed flows 93 and 94 in which the intake air is reversed due to blockage of forward movement by the supercharger 3 and flows from the supercharger 3 side toward a connection port, of the bypass passage 25, opening in the intake passage 2. An evaporated fuel introduction opening 56 leading evaporated fuel produced in a fuel tank to the intake passage 2 opens in a wall surface, on which the bypass-directed flow 93 is generated, in the intake passage 2.