Method and device for supplying ink to a print head
    2.
    发明授权
    Method and device for supplying ink to a print head 失效
    用于向打印头供墨的方法和装置

    公开(公告)号:US5886721A

    公开(公告)日:1999-03-23

    申请号:US517588

    申请日:1995-08-22

    IPC分类号: B41J2/175

    摘要: A main ink chamber with a through-hole contains a capillary member. An intermediate ink chamber is provided on the side wall of the main ink chamber. A path communicatively interconnects the main ink chamber and the intermediate ink chamber. A second meniscus forming member is disposed in a joint port, to thereby prevent ink leakage. In a print mode, ink flows from the main ink chamber to the joint port, through a meniscus forming member that is disposed in the through-hole. Air bubbles mingled into the ink move along the slanting upper wall of the path by their buoyant force, and are accumulatively stored in the upper part of the intermediate ink chamber. When ink is reduced to zero in the main ink chamber, air bubbles are introduced into the intermediate ink chamber through the meniscus forming member. As a result, the liquid level of the intermediate ink chamber is quickly reduced, thereby indicating a state that ink is used up.

    摘要翻译: 具有通孔的主墨室包含毛细管构件。 中间墨水室设置在主墨水室的侧壁上。 通路连通主墨室和中间墨室。 第二弯液面形成构件设置在接合口中,从而防止油墨泄漏。 在打印模式中,油墨通过设置在通孔中的弯液面形成部件从主油墨室流向接头端口。 混入墨水的气泡通过其浮力沿着倾斜的路径上壁移动,并且累积储存在中间墨水室的上部。 当墨水在主墨水室中减少为零时,气泡通过弯液面形成构件被引入中间墨水室。 结果,中间墨水室的液位迅速降低,从而表示墨水被用尽的状态。

    Ink jet recording unit
    3.
    发明授权
    Ink jet recording unit 失效
    喷墨记录单元

    公开(公告)号:US6039441A

    公开(公告)日:2000-03-21

    申请号:US720149

    申请日:1996-09-25

    IPC分类号: B41J2/175 B41J25/34

    摘要: An elastic jointing member 22 with an umbrella-like portion with an opening and a flat part is provided in a jointing portion between a recording head 21 and an ink tank 1. When the ink tank 1 is attached to the recording head 21, the umbrella-like portion of the elastic jointing member 22 is pressed against the ink tank and elastically deformed inward. As a result, an ink passage is formed which is airtightly sealed. In the process of pressing the umbrella-like portion against the ink tank, the umbrella-like portion comes in contact with the flat part, to thereby prevent air from staying in the ink passage. Protrusions or grooves may be provided between the umbrella-like portion and the flat part. With the protrusions or the groove, the umbrella-like portion is not glued to the flat part.

    摘要翻译: 在记录头21和墨罐1之间的接合部分设置有具有开口和平坦部分的伞形部分的弹性接合构件22.当墨水罐1附接到记录头21时,伞 弹性接合构件22的类似部分被压靠在墨盒上并向内弹性变形。 结果,形成气密密封的油墨通道。 在将伞状部压在墨水罐上的过程中,伞形部与平坦部接触,从而防止空气滞留在墨水通道中。 可以在伞形部分和平坦部分之间设置突起或凹槽。 通过突起或槽,伞状部分不会粘合到平坦部分。

    Ink tank and recording apparatus
    4.
    发明授权
    Ink tank and recording apparatus 失效
    墨水盒和记录装置

    公开(公告)号:US5984460A

    公开(公告)日:1999-11-16

    申请号:US628884

    申请日:1996-04-05

    IPC分类号: B41J2/175

    CPC分类号: B41J2/17513 B41J2/17523

    摘要: In an ink tank, there are provided a main ink chamber containing a capillary vessel member, and an intermediate ink chamber. When the ink is consumed, the ink held by capillary force of a capillary vessel member is supplied via a communication port from a joint port. The same amount of air as the amount of the consumed ink is conducted from the atmospheric communication port into the main ink chamber. The conducted ink is supplied via a groove formed in a lid to an upper surface of the capillary vessel member. As a result, the air is entered into the capillary vessel member under better condition. In a plane portion of the lid, the ink is in contact with only the capillary vessel member, and the ink remaining this portion is reduced. Thus, the ink using efficiency is increased.

    摘要翻译: 在墨罐中,设置有包含毛细血管构件和中间墨室的主墨室。 当墨水消耗时,通过毛细血管构件的毛细管力保持的墨水通过连接口从联合口提供。 与从大气连通口进入主墨水室的消耗墨水的量相同的空气量。 导入的墨水通过形成在盖中的凹槽供给到毛细管构件的上表面。 结果,空气在更好的条件下进入毛细血管构件。 在盖子的平面部分中,油墨只与毛细血管构件接触,并且剩余的部分油墨减少。 因此,墨水使用效率提高。

    Ink tank and recording apparatus
    5.
    发明授权
    Ink tank and recording apparatus 失效
    墨水盒和记录装置

    公开(公告)号:US6070976A

    公开(公告)日:2000-06-06

    申请号:US923005

    申请日:1997-09-16

    IPC分类号: B41J2/175

    摘要: In an ink tank, there are provided a main ink chamber containing a capillary vessel member, and an intermediate ink chamber. When the ink is consumed, the ink held by capillary force of a capillary vessel member is supplied via a communication port from a joint port. The same amount of air as the amount of the consumed ink is conducted from the atmospheric communication port into the main ink chamber. The conducted air is supplied via a groove formed in a lid to an upper surface of the capillary vessel member. As a result, the air is entered into the capillary vessel member under better condition. In a plane portion of the lid, the ink is in contact with only the capillary vessel member, and the ink remaining this portion is reduced. Thus, the ink using efficiency is increased.

    摘要翻译: 在墨罐中,设置有包含毛细血管构件和中间墨室的主墨室。 当墨水消耗时,通过毛细血管构件的毛细管力保持的墨水通过连接口从联合口提供。 与从大气连通口进入主墨水室的消耗墨水的量相同的空气量。 导入的空气通过形成在盖中的槽供给到毛细管构件的上表面。 结果,空气在更好的条件下进入毛细血管构件。 在盖子的平面部分中,油墨只与毛细血管构件接触,并且剩余的部分油墨减少。 因此,墨水使用效率提高。

    Ink jet printer and ink jet recording unit
    7.
    发明授权
    Ink jet printer and ink jet recording unit 失效
    喷墨打印机和喷墨记录单元

    公开(公告)号:US5969738A

    公开(公告)日:1999-10-19

    申请号:US774321

    申请日:1996-12-24

    IPC分类号: B41J2/175

    CPC分类号: B41J2/17523 B41J2/17513

    摘要: An ink supply passage 16 has a large cross-sectional area and ink tanks 6 are connected to the top of the ink supply passage 16. An ink supply passage 17 is a flow passage shaped like a semicylinder and has a cross-sectional area equal to or smaller than the cross-sectional area of the ink supply passage 16. Even if bubbles are mixed into the ink supply passage 17, they adhere to the upper portion of the flow passage 17 and do not flow into lower corners, so that a flow passage can be provided and the ink flow is not hindered. Since an ink supply passage 19 connected to a head chip 4 has a small diameter, bubbles mixed into the ink supply passage 19 can be removed by maintenance for sucking ink forcibly. Bubbles mixed upstream are not transported to the ink supply passage 19 because of the flow rate difference caused by the cross-sectional area difference.

    摘要翻译: 供墨通道16具有大的横截面积,并且墨水罐6连接到供墨通道16的顶部。供墨通道17是形状类似于半圆柱形的流动通道,其横截面积等于 或小于供墨通道16的横截面积。即使气泡混入供墨通道17中,它们粘附到流动通道17的上部并且不流入下角,使得流动 可以提供通道并且墨流不受阻碍。 由于连接到头部芯片4的墨水供应通道19具有小的直径,所以通过维护来强制吸入墨水可以去除与供墨通道19混合的气泡。 由于由横截面积差引起的流量差,上游混合的气泡不会输送到供墨通道19。

    Ink supply unit and recorder
    8.
    发明授权
    Ink supply unit and recorder 失效
    墨水供应单元和记录器

    公开(公告)号:US5821965A

    公开(公告)日:1998-10-13

    申请号:US601522

    申请日:1996-02-14

    IPC分类号: B41J2/175

    摘要: Considering the differential pressure .DELTA.P between pressures applied to both faces of a meniscus formation member, the differential pressure .DELTA.P becomes the maximum when an ink supply unit is left standing with the meniscus formation member placed upward. At this time, water head PH of ink attempting to fall due to gravity is applied to the inner face of the meniscus formation member in the same direction as negative pressure PR of a capillary member. Thus, the differential pressure .DELTA.P becomes .DELTA.P=PR+PH. The bubble point pressure PB of the meniscus formation member is set greater than the maximum value of the differential pressure, .DELTA.P=PR+PH, whereby air does not enter an ink tank through the meniscus formation member.

    摘要翻译: 考虑到施加到弯液面形成构件的两个面上的压力之间的压差DELTA P,当向上放置弯液面形成构件而使供墨单元立起时,压差DELTA P变为最大值。 此时,试图由于重力而下降的油墨的水头PH以与毛细管构件的负压PR相同的方向施加到弯液面形成构件的内表面。 因此,压差DELTA P变为DELTA P = PR + PH。 弯液面形成构件的泡点压力PB被设定为大于压差的最大值DELTA P = PR + PH,由此空气不会通过弯液面形成构件进入墨罐。