| 摘要 |
PROBLEM TO BE SOLVED: To prevent not only unwanted noise harmful to smooth operation of an engine but also a collaterally generated bound phenomenon causing opening of a valve during operation of the engine. SOLUTION: The device for feeding the air-fuel mixture in a pressurized state into the combustion chamber of the internal combustion engine, particularly the two-stroke engine has a valve 38 stopping an air-fuel mixture feeding pipe 40, an auxiliary member connected to the valve 38 and having a movable soft film 5 determining a boundary between an upper chamber 54 and a lower chamber 56, a pipe 62 feeding pressurized air to one of the two chambers, and a pipe 64 between the chambers 54 and 56. The pipe 64 has a limiting member 70 and an orifice 72 weakening momentum of movement of the pressurized air flowing out of one of the two chambers 54 or 56.
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