摘要 |
PROBLEM TO BE SOLVED: To provide a liquid jet head, along with a liquid jet head unit and a liquid jet apparatus, wherein the sedimentation of ink components is suppressed to achieve good liquid discharge characteristics.SOLUTION: The liquid jet head includes: a plurality of pressure generating chambers 30, each communicating with a nozzle opening 40 from which a liquid is jetted; a pressure generator for causing pressure change in the pressure generating chambers 30 to cause the liquid to be ejected from the nozzle opening 40; a circulation flow channel communicating with the pressure generating chambers 30, and including therein liquid supply passages 120, 160 for supplying the liquid, and liquid recovery passages 140, 170 for recovering the liquid; and vortex flow creation devices 201A, 201B provided in the circulation flow channel, for creating vortex flows therein. |