| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce, with a simple configuration, flowing out of fluid when pulse stream jetting is stopped.SOLUTION: A fluid jetting device includes a fluid chamber, a volume changing part for changing volume of the fluid chamber, a fluid supply part which supplies fluid to the fluid chamber, and a connection flow path which communicates between the fluid chamber and a fluid jetting opening part. A control method of the fluid jetting device includes steps S150, S160 in which, with a supply flow rate of the fluid of the fluid supply part at a predetermined flow rate, the volume changing part is made to operate to change the volume of the fluid chamber, so that the fluid is jetted in pulse from the fluid jetting opening part, and steps S180, S190 in which changing of volume by the volume changing part is stopped, and the supply flow rate of the fluid by the fluid supply part is lowered from the predetermined flow rate.</p> |
