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    • 3. 发明申请
    • Ink ejection system with separated ink tank and printing head
    • 喷墨系统具有分离的墨水盒和打印头
    • US20080284828A1
    • 2008-11-20
    • US12153239
    • 2008-05-15
    • Shr-How HaungWen-Chen LiuMing-Chung PengCheng-Ju Lee
    • Shr-How HaungWen-Chen LiuMing-Chung PengCheng-Ju Lee
    • B41J29/38
    • B41J2/17596B41J2/17513B41J2/1752B41J2/17553
    • An ink ejection system with a print head and an ink priming station is provided. The ink reservoir of the print head has a plurality of ink channels, a plurality of ball valves, a plurality of storing areas, and a plurality of priming holes. Each of the ball valves is located at an outlet of the respective ink channel and has a floating ball. The plurality of storing areas is aligned to the plurality of ink channels respectively for storing ink of different colors. The plurality of priming holes, which are located on a surface of the ink reservoir, is connected with the respective storing areas for balancing air pressure between interior of the ink reservoir and environment. As ink in the storing area excesses a predetermined height, the respective floating ball closes the respective ball valve to stop injecting ink to the respective storing area. The ink priming station has an air cover linked to a pump. As the print head is stationed on the ink priming station, the air cover covers the priming holes to have the interior of the ink reservoir showing negative pressure.
    • 提供具有打印头和墨水启动台的喷墨系统。 打印头的墨水容器具有多个墨水通道,多个球阀,多个存储区域和多个启动孔。 每个球阀位于相应油墨通道的出口处,并且具有浮球。 多个存储区域分别与多个墨水通道对准以存储不同颜色的墨水。 位于墨水储存器表面上的多个启动孔与各个存储区域连接,用于平衡储墨器内部和环境之间的空气压力。 当存储区域中的墨水超过预定高度时,相应的浮球关闭相应的球阀,以停止向相应的存储区域注入墨水。 墨水启动站具有连接到泵的空气盖。 当打印头驻留在墨水启动台上时,空气盖覆盖着启动孔,使得墨水储存器的内部呈现负压。