PURPOSE: To make the steady vibration of a fluid jet possible by making a water jet from a main nozzle flow along a side wall of a main water path to be divided by a water flow separating zone, and partially joining the divided water flow to the water jet through a rotating water path for rotating it.
CONSTITUTION: A water jet from a main nozzle 5 is made to flow along a side wall 10 of a main water path 7, and divided by a water flow separating zone 8, and partially jetted from a jetting port 11 and partially joined to the water jet through rotating water pathes 12 for rotating it. The water jet passing through the main water path 7 is mutually deflected under pressure difference caused by the rotation of fluid in both the rotating water pathes 12 to cause steady vibration for jetting through the jetting port 11. In addition to that, the main water path 7 is provided with an air introducing port 13 passing through a shell section to generate ejector effect for increasing the flow speed of the water jet and thereby making the impact force of jetted water stronger.
MIKURA TETSUYA
SAKAMOTO JUNICHI
Next Patent: LIFT-UP TRANSFER DEVICE OF HARVESTER FOR BULB-FORMING VEGETABLE