LIQUID LAYER DISTRIBUTION CONVERSION MEMBER, LIQUID INJECTION HEAD, LIQUID INJECTION DEVICE AND LIQUID LAYER DISTRIBUTION CONVERSION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a liquid layer distribution conversion member being capable of achieving a reduction in size while being capable of easily improving sedimentation of a composition of liquid, and further to provide a liquid injection head, a liquid injection device and a liquid layer distribution conversion method.SOLUTION: A liquid layer distribution conversion member converts a distribution of liquid layers 501 and 502 in a passage 211. An isolation member 400 having a cylindrical partition wall portion 401 and a closing portion 402 closing between the partition wall portion 401 and an internal wall surface of the passage 211 is provided in the passage 211. The passage 211 comprises: an outside passage 410 provided between the partition wall portion 401 and the internal wall surface of the passage 211; and an inside passage 411 provided inside the partition wall portion 401. A notch portion 403 causing the outside passage 410 and the inside passage 411 to communicate with each other is provided to the partition wall portion 401 at a position closer to an upstream side than the closing portion 402. The notch portion 403 is disposed at a position where liquid flowing through the notch portion 403 flows into a position at an upper side in a vertical direction in the passage 211 closer to a downstream side than the isolation member 400.SELECTED DRAWING: Figure 13