| 摘要 |
<p>PROBLEM TO BE SOLVED: To properly pressurize and hold the inner pressure of a tank while simplifying a constitution. SOLUTION: A piston 11 is slidably stored in a fuel tank 1, and the fuel tank 1 is divided into a fuel chamber 12 and a heating chamber 13 by the piston 11. The fuel piping 2 is connected to the fuel chamber 12, and the liquefied gas fuel in the fuel chamber 12 is fed to a high-pressure pump 3 through the fuel piping 2. The heating chamber 13 is filled with a predetermined amount of fuel, and a heater 15 is mounted in a state of being soaked in the fuel. In this constitution, when the heater 15 in the heating chamber 13 is energized, the fuel in the heating chamber 13 is vaporized in accompany with the rise of a fuel temperature, and the pressure of the heating chamber 13 is raised. Whereby the piston 11 starts moving to a fuel chamber 12 side (right side in drawing). As the pressure of the heating chamber 13 is saturated vapor pressure of the fuel, and the fuel in the fuel chamber 12 is pressurized to the pressure same as that in the heating chamber 13.</p> |
