| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a fuel controller by which opening and closing characteristics of a fuel control valve is prevented from being deteriorated in supplying of fuel and fuel vapor is not discharged to the atmosphere through a filler pipe. SOLUTION: In a fuel vapor controller of a fuel tank for an internal combustion engine, by which fuel vapor is not allowed to flow to a filler pipe side by blocking a fuel dropping passage in supplying of fuel, a fuel vapor control valve is a diaphragm valve 4 made of a flexible material, a diaphragm holder 6 to be operated together with the diaphragm valve 4 is provided on 'the central part of the diaphragm valve 4, a fuel dropping passage composed of a communication hole 16 is provided on a diaphragm part 15 on the outer peripheral side from the diaphragm holder 6, and a shade part 19 for opening and closing the fuel dropping passage is provided on the diaphragm holder 6.</p> |
