| 摘要 |
PROBLEM TO BE SOLVED: To supply gas fuel to an engine for driving of a vehicle in proper timing. SOLUTION: An electric current control means 16 controls an electric current value to open a regulator cutoff valve 13 in correspondence with pressure difference by detecting the pressure difference before and after the regulator cutoff valve 13 by pressure sensors 12, 14. As the regulator cutoff valve 13 is opened at the proper electric current value, it is possible to speedily supply fuel even after fuel cutting, etc. It is also possible to control the pressure difference not to increase by duty-controlling tank cutoff valves 5, 6.
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