| 摘要 |
PROBLEM TO BE SOLVED: To prevent liquid drops discharged from one discharge port from obstructing the discharge of liquid drops discharged from another discharge port. SOLUTION: The liquid drop jetting apparatus 20 is arranged in an intake pipe 12 of an internal combustion engine 10 and provided with a plurality of liquid discharge apparatuses (22, 26) for pressurizing and discharging the liquid drops in a pressurizing chamber by the operation of a piezoelectric/ electrostriction element. The liquid drop discharge apparatus 22 is attached and fixed to the intake pipe 12 so as to discharge the liquid drops to the upper side of the horizontal plane passing the central axis line CL of the intake pipe and the liquid drop discharge apparatus 26 is attached and fixed to the intake pipe 12 so as to discharge the liquid drops to the lower side of the horizontal plane passing the central axis line CL. As a result, the jet stream of the liquid drops discharged from one optional discharge port in a plurality of the liquid drop discharge apparatuses does not reach any other discharge port and then discharge of the liquid drops from each discharge port is performed excellently.
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