| 摘要 |
The device(5) supplies vapor, which is mixed with vaporized fuel gas in an internal combustion engine, and is fluid-tightly set to the wall of an exhaust manifold. The device has a drainage system(10) with a drain cock(13b) at its lower portion, a water-feeding conduit(3) over the drainage, a number of filter members(11) over the water-feeding conduit, an air-feeding control valve(13a), and a vapor-supplying conduit(13) at the top portion. A vapor chamber(12) is prepared between the filter members(11) and the top cover(9a). The vapor supplying conduit associated with a vapor suction throat runs between the throttle valve and the fuel suction throat of the carburetor.
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