| 摘要 |
PURPOSE:To prevent the delay in fuel feed by incorporating a gas fuel feed cut-off valve, gas fuel pressure adjuster, and a gas fuel/air mixer into one device body and reducing the length of a gas passage from the cut-off valve and adjuster to the venturi of the mixer. CONSTITUTION:The device body 7 of a gas fuel feeding device 3 connected with the suction port of an engine is constituted by jointing the upper and lower blocks 7a and 7b. A gas fuel/air mixer 10 having a venturi 8 and a throttle valve 9 incorporated is arranged into the upper block 7a. Further, a gas fuel feed cut-off valve 13 and a gas fuel pressure adjuster 14 are incorporated into the lower block 7b. The inlet 15 of the gas fuel feed cut-off valve 13 is allowed to communicate to the feeding port 11 of the mixer 10 through a gas fuel inflow passage 16, and an outlet 17 is allowed to communicate to the inlet 18 of the gas fuel pressure adjuster 14 through a fuel gas introducing passage 19. Further, the outlet 20 of the gas fuel pressure adjuster 14 and the inlet 21 of the gas/air mixer 14 are allowed to communicate through a fuel gas introducing passage 22.
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