| 摘要 |
PURPOSE:To control a flow pattern of a jet of water, by constructing a water jetting equipment with a feed nozzle, attachment walls, two-phase fluid oscillator element, a liquid compressively sending pump, and an air inflow control unit with which air pressure is led by the pull of the pump. CONSTITUTION:An air inflow control unit 24 and a hot-water tank 25 are connected to the intake side of a fluid compressively sending pump 23, and a washing nozzle 27 is connected to the outflow side of the pump 23 through a flow regurating valve 26. A jet send from a feed nozzle and passed between walls 12, 13 is controlled by switching the air inflow control unit 24, and a non-oscillatory fixed jet flow pattern and an oscillatory jet flow pattern become exchangeable for each other. Accordingly, as an oscillation control in a fluidics can be performed through a main flow route, it is easy to control remotely.
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