| 摘要 |
PROBLEM TO BE SOLVED: To make accurately detectable a fuel residual amount even in a vertically long fuel tank. SOLUTION: The inside of the fuel tank 11 is fixedly provided with a fuel sensor 12, the fuel sensor 12 is rotatably installed with an arm 13, and the tip of the arm 13 is installed with a float 14. The arm 13 is disposed such that the arm 13 has a prescribed angleηto a first inner side face 11a of the fuel tank 11 installed with the fuel sensor 12, in a plan view. Accordingly, because a length of the arm 13 can be set to be longer than a width L of the fuel tank 11, a vertical movement range of the float 14 becomes long, and a measurement range of the fuel residual amount is increased. COPYRIGHT: (C)2005,JPO&NCIPI
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