公开(公告)号：US20250001765A1

公开(公告)日：2025-01-02

申请号：US18677843

申请日：2024-05-29

Applicant: AP SYSTEMS INC.

Inventor： Woo Jong HAN ,  Jeong Ho KIM ,  Tae Jun UM ,  Seok Jae RYU

IPC: B41J2/175

Abstract: Provided are an apparatus for supplying ink and an inkjet printing system including the same, and more particularly, to an apparatus for supplying ink, which may effectively circulate ink for inkjet printing to stably maintain a state of the ink, and an inkjet printing system including the same. The apparatus for supplying ink includes an ink storage unit configured to store ink at least temporarily, a first passage tube configured to supply the ink stored in the ink storage unit to an inkjet head unit, a second passage tube configured to collect the ink from the inkjet head unit, an ink circulation unit configured to move the ink introduced through the second passage tube in one direction, and a third passage tube configured to supply the ink discharged from the ink circuit unit to the ink storage unit.