| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel cut-off valve 10 capable of flowing a large flow rate of fuel even if the passage area of a connecting passage 31c is reduced. SOLUTION: The fuel cut-off valve 10 is provided with a casing 20 and a float 51. The casing 20 is provided with a casing main body 30 forming a valve chamber 30S establishing communication between a connection passage 31c and an inside of a fuel tank FT, and a cover body 40 including a pipe passage 43a connected to the connection passage 31. The casing 20 is provided with a connection part 33 formed at an upper part of the casing main body 30 and having the connection passage 31c formed through the same, a connected part 42 connected to the connection part 33, and a seal member SR put between the connection part 33 and the connected part 42. A pipe passage 43a has a straight passage 43b arranged in a horizontal direction and a curved passage 43c having roughly same passage area as the connection passage 31c. COPYRIGHT: (C)2009,JPO&INPIT
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