发明名称 |
Ink circulation type inkjet printer |
摘要 |
An inkjet printer includes: an inkjet head including a nozzle configured to eject ink; a positive pressure tank configured to store the ink to be supplied to the inkjet head; a negative pressure tank configured to receive the ink not consumed by the inkjet head; an ink deliverer configured to deliver the ink from the negative pressure tank to the positive pressure tank; a pressure regulator configured to regulate pressures of the positive pressure tank and the negative pressure tank; and a controller configured to control the ink deliverer and the pressure regulator such that an ink delivery operation by the ink deliverer and a pressure regulation operation by the pressure regulator are performed separately in time. |
申请公布号 |
US9421780(B2) |
申请公布日期 |
2016.08.23 |
申请号 |
US201514858458 |
申请日期 |
2015.09.18 |
申请人 |
RISO KAGAKU CORPORATION |
发明人 |
Nishiyama Akira |
分类号 |
B41J2/175;B41J2/18 |
主分类号 |
B41J2/175 |
代理机构 |
Greenblum & Bernstein P.L.C. |
代理人 |
Greenblum & Bernstein P.L.C. |
主权项 |
1. An inkjet printer comprising:
an inkjet head including a nozzle configured to eject ink; a positive pressure tank configured to store the ink to be supplied to the inkjet head; a negative pressure tank configured to receive the ink not consumed by the inkjet head; an ink deliverer configured to deliver the ink from the negative pressure tank to the positive pressure tank; a pressure regulator configured to regulate pressures of the positive pressure tank and the negative pressure tank, and including an air pump configured to deliver air from the negative pressure tank to the positive pressure tank; and a controller configured to control the ink deliverer and the pressure regulator to perform an ink delivery operation by the ink deliverer and a pressure regulation operation by the pressure regulator separately in time. |
地址 |
Tokyo JP |