Fuel supply device

A fuel supply device, comprising:

• a filler neck comprising:
• a nozzle guiding path that guides a fuel supply nozzle;
• and
• a fuel passage that is continuous to the nozzle guiding path on a downstream side of the fuel passage, through which fuel that has been discharged from the fuel supply nozzle passes;
• a fuel vapor port located outside of the filler neck that has a through hole that communicates with the fuel passage;
• and
• a vapor introduction body that guides the fuel vapor from the fuel vapor port to the fuel passage, wherein the vapor introduction body includes:
• a within-through-hole support that is inserted into and supported by the through hole, and that includes a vapor passage along the through hole,
• a changing member that faces an opening of the vapor passage on a side of the fuel passage, and that is configured to change a direction of flow of the fuel vapor that passes through the vapor passage to the side of the fuel passage,
• a slit that is formed on a side surface of an open end of the within-through-hole support of the vapor introduction body to divide a tip of the open end into a plurality of elastically deformable members, and
• an engagement hook that passes through and expands from the through hole provided in the fuel vapor port is provided outside of the plurality of members.

A fuel supply device, comprising:

• a filler neck comprising:
• a nozzle guiding path that guides a fuel supply nozzle;
• and
• a fuel passage that is continuous to the nozzle guiding path on a downstream side of the fuel passage, through which fuel that has been discharged from the fuel supply nozzle passes;
• a fuel vapor port located outside of the filler neck that has a through hole that communicates with the fuel passage;
• an injection port opener/closer configured to open/close the fuel passage;
• and
• a vapor introduction body that guides the fuel vapor from the fuel vapor port to the fuel passage, wherein the vapor introduction body includes:
• a within-through-hole support that is inserted into and supported by the through hole, and that includes a vapor passage along the through hole,
• a changing member that faces an opening of the vapor passage on a side of the fuel passage, and that is configured to change a direction of flow of the fuel vapor that passes through the vapor passage to the side of the fuel passage, and
• on a side of the changing member of the vapor introduction body, a stopper plate configured to regulate an end position of movement toward an open direction of the injection port opener/closer when the fuel passage has opened.