Patent ID: 8616232

Claim:
A fuel cut-off valve comprising: a case having (i) a first opening communicated with an inside of a fuel tank, (ii) a second opening communicated with a canister, and (iii) a guide member; a lower float that is provided so as to move up and down inside the case and has a first valve member above the lower float; an upper float that is provided so as to move up and down above an upper portion of the lower float and has a second valve member and a third opening communicated with the canister, the upper float having a cylindrical body that surrounds the third opening and extends upward; a first valve seat provided on the upper float, against which the first valve member abuts to close off the third opening; a second valve seat against which the second valve member abuts to close off the second opening, wherein: the guide member has an inner peripheral edge that faces an outer periphery of the cylindrical body, the guide member guides the upper float when the upper float moves up and down, and the inner peripheral edge is located at an inside of the second valve seat in a radial direction.