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    LIQUID EJECTION HEAD, INKJET PRINTING APPARATUS AND LIQUID EJECTING METHOD
    12.
    发明申请
    LIQUID EJECTION HEAD, INKJET PRINTING APPARATUS AND LIQUID EJECTING METHOD 有权
    液体喷射头，喷墨打印设备和液体喷射方法

    公开(公告)号：US20090058949A1

    公开(公告)日：2009-03-05

    申请号：US12199318

    申请日：2008-08-27

    申请人： Keiji Tomizawa ,  Mikiya Umeyama ,  Toru Yamane ,  Chiaki Muraoka ,  Yuichiro Akama ,  Masaki Oikawa ,  Tomotsugu Kuroda

    发明人： Keiji Tomizawa ,  Mikiya Umeyama ,  Toru Yamane ,  Chiaki Muraoka ,  Yuichiro Akama ,  Masaki Oikawa ,  Tomotsugu Kuroda

    IPC分类号： B41J2/05

    CPC分类号： B41J2/1404 ,  B41J2/14112 ,  B41J2/1433 ,  B41J2002/14169 ,  B41J2002/14185 ,  B41J2002/14403 ,  B41J2202/11

    摘要： Provided are a printing head and an inkjet printing apparatus, which eject liquid droplets without leaving behind any bubble in each nozzle, thus having an enhanced durability. An ejection port of the printing head includes a first ejection port part communicating with the atmosphere and a second ejection port part having a cross-section orthogonal to an ejection direction being larger than a cross-section of the first ejection port part orthogonal to the ejection direction, and being formed between the energy effect chamber and the first ejection port part. In addition, the second ejection port part is formed to be eccentric to an electrothermal transducing element in an ink supply direction in which ink is supplied from an ink supplying port to the bubbling chamber.

    摘要翻译： 提供了一种打印头和喷墨打印设备，其喷射液滴而不留下每个喷嘴中的任何气泡，从而具有增强的耐久性。 打印头的喷射口包括与大气连通的第一喷射口部分和具有与喷射方向正交的横截面的第二喷射口部分大于与喷射正交的第一喷射口部分的横截面 方向，并且形成在能量效应室和第一排出口部分之间。 此外，第二喷射口部分形成为沿着墨水供应方向的电热转换元件偏心，在墨水供应方向上，墨水从供墨口供给到鼓泡室。

    Liquid jet head
    15.
    发明授权
    Liquid jet head 有权
    液体喷头

    公开(公告)号：US07832843B2

    公开(公告)日：2010-11-16

    申请号：US11844071

    申请日：2007-08-23

    申请人： Masaki Oikawa ,  Mineo Kaneko ,  Ken Tsuchii ,  Toru Yamane ,  Keiji Tomizawa ,  Mitsuhiro Matsumoto ,  Shuichi Ide ,  Kansui Takino ,  Naozumi Nabeshima

    发明人： Masaki Oikawa ,  Mineo Kaneko ,  Ken Tsuchii ,  Toru Yamane ,  Keiji Tomizawa ,  Mitsuhiro Matsumoto ,  Shuichi Ide ,  Kansui Takino ,  Naozumi Nabeshima

    IPC分类号： B41J2/05

    CPC分类号： B41J2/145 ,  B41J2/1404 ,  B41J2002/14177 ,  B41J2002/14403 ,  B41J2002/14475

    摘要： A liquid ejecting head includes plural ejection outlets for ejecting droplets; liquid flow paths in fluid communication with the ejection outlets; and a liquid supply opening for supplying the liquid to the liquid flow paths. The ejection outlets include first and second ejection outlets disposed at least at one side of the liquid supply opening and are staggered. The first ejection outlets are nearer to the liquid supply opening than the second ejection outlets. Each of first recording elements corresponding to the first ejection outlets includes one rectangular heat generating resistor having a long side extending along a direction crossing with an arranging direction of the ejection outlets. Each of second recording elements corresponding to the second ejection outlets comprises plural rectangular heat generating resistors which are adjacent to each other at long sides thereof and are electrically connected in series.

    摘要翻译： 液体喷射头包括用于喷射液滴的多个喷射出口; 与喷射出口流体连通的液体流路; 以及用于将液体供应到液体流动通道的液体供应开口。 喷射出口包括设置在液体供应开口的至少一侧的第一和第二喷射出口，并且交错。 第一喷射口比第二喷射口更靠近液体供应口。 对应于第一喷射出口的每个第一记录元件包括一个矩形发热电阻器，其具有沿着与喷射出口的排列方向交叉的方向延伸的长边。 与第二喷射口相对应的第二记录元件中的每一个包括在其长边彼此相邻并串联电连接的多个矩形发热电阻器。

    Liquid jet head
    18.
    发明授权
    Liquid jet head 有权
    液体喷头

    公开(公告)号：US07784904B2

    公开(公告)日：2010-08-31

    申请号：US12197668

    申请日：2008-08-25

    申请人： Shuichi Ide ,  Mineo Kaneko ,  Ken Tsuchii ,  Toru Yamane ,  Masaki Oikawa ,  Keiji Tomizawa ,  Mitsuhiro Matsumoto ,  Kansui Takino

    发明人： Shuichi Ide ,  Mineo Kaneko ,  Ken Tsuchii ,  Toru Yamane ,  Masaki Oikawa ,  Keiji Tomizawa ,  Mitsuhiro Matsumoto ,  Kansui Takino

    IPC分类号： B41J2/145 ,  B41J2/15

    CPC分类号： B41J2/1404 ,  B41J2/14145 ,  B41J2202/11

    摘要： A liquid ejecting head includes a plurality of nozzles, each including an ejection outlet for ejecting a droplet, an ejection energy generating element, disposed at a position opposing the ejection outlet, for generating energy for ejecting a droplet, a pressure chamber provided with the ejection energy generating element and fluidly communicating with the ejection outlet, and a supply passage for supplying the liquid to the pressure chamber. The nozzles include a first nozzle and a second nozzle, which are connected with respective supply passages having lengths different from each other. The first nozzle and the second nozzle are disposed at one end portion with respect to a widthwise direction of an elongated supply chamber for supplying the liquid to the first nozzle. The supply passage for the first nozzle extends in a direction perpendicular to a direction of liquid ejection from the ejection outlet and fluidly communicates with the supply chamber, and wherein the supply passage for the second nozzle extends in a direction parallel with the direction of liquid ejection.

    摘要翻译： 液体喷射头包括多个喷嘴，每个喷嘴包括用于喷射液滴的喷射出口，喷射能量产生元件，设置在与喷射出口相对的位置处，用于产生用于喷射液滴的能量;设置有喷射的压力室 能量产生元件并与喷射出口流体连通，以及用于将液体供应到压力室的供应通道。 喷嘴包括第一喷嘴和第二喷嘴，其与具有彼此不同长度的相应供应通道连接。 第一喷嘴和第二喷嘴相对于细长供应室的宽度方向设置在一个端部，用于将液体供应到第一喷嘴。 用于第一喷嘴的供应通道沿着与喷射出口的液体喷射方向垂直的方向延伸，并与供应室流体连通，并且其中用于第二喷嘴的供应通道沿与液体喷射方向平行的方向延伸 。

    Ink jet recording head and liquid jetting method
    19.
    发明授权
    Ink jet recording head and liquid jetting method 有权
    喷墨记录头和液体喷射方法

    公开(公告)号：US07771026B2

    公开(公告)日：2010-08-10

    申请号：US11866695

    申请日：2007-10-03

    申请人： Shuichi Ide ,  Mineo Kaneko ,  Ken Tsuchii ,  Toru Yamane ,  Masaki Oikawa ,  Keiji Tomizawa ,  Mitsuhiro Matsumoto ,  Kansui Takino ,  Naozumi Nabeshima

    发明人： Shuichi Ide ,  Mineo Kaneko ,  Ken Tsuchii ,  Toru Yamane ,  Masaki Oikawa ,  Keiji Tomizawa ,  Mitsuhiro Matsumoto ,  Kansui Takino ,  Naozumi Nabeshima

    IPC分类号： B41J2/05

    CPC分类号： B41J2/1412 ,  B41J2/1404 ,  B41J2002/14177

    摘要： A liquid recording head includes a thermal energy generating element, having a flat plate configuration, for generating a bubble by thermal energy; a pressure chamber in which the thermal energy generating element is provided; a flow path for introducing liquid into the pressure chamber; a supply port in fluid communication with the flow path; and an ejection outlet provided at a position opposing the thermal energy generating element in fluid communication with the pressure chamber. The thermal energy generating element includes a first major surface facing the ejection outlet and a second major surface opposite the first major surface, and a distance between the first major surface and a ceiling surface of the pressure chamber in which the ejection outlet is formed is shorter than a distance between the second major surface and a bottom surface of the pressure chamber.

    摘要翻译： 液体记录头包括具有平板结构的用于通过热能产生气泡的热能产生元件; 设置有所述热能生成元件的压力室; 用于将液体引入压力室的流路; 与所述流路流体连通的供给口; 以及设置在与所述压力室流体连通的与所述热能产生元件相对的位置处的喷射出口。 热能发生元件包括面向喷射出口的第一主表面和与第一主表面相对的第二主表面，并且第一主表面与形成喷射出口的压力室的顶表面之间的距离较短 而不是压力室的第二主表面和底表面之间的距离。

    Ink jet print head
    20.
    发明授权
    Ink jet print head 失效
    喷墨打印头

    公开(公告)号：US07735962B2

    公开(公告)日：2010-06-15

    申请号：US12195892

    申请日：2008-08-21

    申请人： Mitsuhiro Matsumoto ,  Mineo Kaneko ,  Ken Tsuchii ,  Toru Yamane ,  Masaki Oikawa ,  Keiji Tomizawa ,  Shuichi Ide ,  Kansui Takino ,  Naozumi Nabeshima

    发明人： Mitsuhiro Matsumoto ,  Mineo Kaneko ,  Ken Tsuchii ,  Toru Yamane ,  Masaki Oikawa ,  Keiji Tomizawa ,  Shuichi Ide ,  Kansui Takino ,  Naozumi Nabeshima

    IPC分类号： B41J2/15 ,  B41J2/145

    CPC分类号： B41J2/1404 ,  B41J2002/14387 ,  B41J2002/14403 ,  B41J2002/14475

    摘要： An object of the present invention is to provide an ink jet print head having plural types of nozzles arranged on the same substrate and through which ink droplets of different sizes are ejected, the ink jet print head exhibiting acceptable ejection performance regardless of the type of the nozzle. Thus, according to the present invention, each of the plural types of nozzles includes a bubbling chamber having an ejection energy generating element allowing an ink droplet to be ejected to a position located opposite an ejection port and an ejection port portion allowing the ejection port and the bubbling chamber to communicate with each other. Ratio of opening area of the ejection port portion at a position where the ejection port portion and the bubbling chamber communicate with each other, to the opening area of the ejection port is higher for the nozzle with a smaller ejection amount.

    摘要翻译： 本发明的目的是提供一种喷墨打印头，其具有布置在同一基底上的多种类型的喷嘴，并且喷射不同尺寸的墨滴，喷墨打印头表现出可接受的喷射性能，而与 喷嘴。 因此，根据本发明，所述多种喷嘴中的每一种都包括具有喷射能量产生元件的发泡室，所述喷射能量产生元件允许墨滴喷射到与喷射口相对的位置和允许喷射口的喷射口部分， 气泡室相互通信。 在喷射口部分和鼓泡室彼此连通的位置处的喷射口部分的开口面积与喷射口的开口面积的比率对于具有较小喷射量的喷嘴较高。