PROBLEM TO BE SOLVED: To provide a fluid jetting device jetting fluid.SOLUTION: A fluid jetting device for jetting fluid in a fluid chamber through a jetting port, includes: an inlet flow passage which communicates with the fluid chamber and through which the fluid is flowed into the fluid chamber an outlet flow passage which has the jetting port and through which the fluid is flowed from the fluid chamber a volume change mechanism provided with a diaphragm with which the volume of the fluid chamber is changed due to displacement of the diaphragm a storage body which stores the volume change mechanism a recessed part which is formed on an inside wall of the storage body and a fluid detection sensor which is mounted on the recessed part and can detect existence or nonexistence of the fluid.COPYRIGHT: (C)2015,JPO&INPIT【課題】液体を噴射する液体噴射装置に関する技術を提供する。【解決手段】噴射口から液体室内の液体を噴射する液体噴射装置であって、液体室と連通し、液体室に液体が流入される入口流路と、噴射口を備え、液体室から液体が流出される出口流路と、ダイアフラムを備え、該ダイアフラムが変位することで液体室の容積が変更される容積変更機構と、容積変更機構が収容される収容体と、収容体の内壁に設けられた凹部と、凹部に設けられ、液体の有無を検出することが可能な液体検出センサーとを備える。【選択図】図2
