| 摘要 |
PURPOSE: A fuel tank of a LNG vehicle is provided to compensate the inside pressure of a fuel tank to a pressure higher than a reference pressure by supplying heat to the inside of the fuel tank. CONSTITUTION: A fuel feed line(20) is connected to a fuel tank and has a regulator and a vaporizer. A gas fuel line is connected to the fuel tank. The gas fuel line is connected to the fuel feed line through a check valve. The gas fuel line discharges the fuel of the gas phase to the fuel feed line from the fuel tank part. A first vent-line(40) is connected to the fuel tank and the gas fuel line. The first vent-line comprises an on-off valve and an emergency valve. A fuel supply line(50) is connected to the fuel tank. |
