FUEL TANK SYSTEM

摘要

Obtained is a fuel tank system configured so that the solenoid valve in piping which connects the fuel tank and a canister is compact. A valve member (diaphragm valve (46)) is provided in vent piping (36) which connects a fuel tank (14) and a canister (34). A second bypass conduit (66) is provided between the back pressure chamber (58) of the diaphragm valve (46) and canister-side vent piping (36C). A solenoid valve (68) is provided in the second bypass conduit (66).