公开(公告)号：US20110279552A1

公开(公告)日：2011-11-17

申请号：US13103298

申请日：2011-05-09

申请人： Hidehiro Yoshida ,  Kazuki Fukada ,  Keisei Yamamuro

发明人： Hidehiro Yoshida ,  Kazuki Fukada ,  Keisei Yamamuro

IPC分类号： B41J2/045 ,  B21D53/76

CPC分类号： B41J2/14274 ,  B41J2202/12

摘要： The present invention provides an ink-jet head which comprises an ink supply channel configured to allow ink to flow, two or more ink chambers each having a bottom surface with a nozzle and an upper surface constituting of a vibrating plate, the two or more ink chambers being arranged in a row along a direction in which the ink flows in the ink supply channel, a partition wall partitioning the ink chambers. and a piezo-mounting plate having two or more multilayer piezoelectric elements and two or more columns fixed thereto. The two or more multilayer piezoelectric elements are arranged in a row, and the two or more columns are arranged between the multilayer piezoelectric elements. And also, the piezo-mounting plate is arranged on the upper surface of the ink chambers. In the ink-jet head, the vibrating plate constituting the upper surface of the ink chamber is held between the partition wall and the column. A large gap and a small gap are arranged between the two multilayer piezoelectric elements adjacent to each other, and the column is arranged at only the portion with a large gap.

摘要翻译： 本发明提供了一种喷墨头，其包括构造成允许油墨流动的油墨供应通道，两个或更多个油墨室，每个油墨室具有带有喷嘴的底表面和构成振动板的上表面，所述两个或更多个油墨 沿墨水在供墨通道中流动的方向排列成一排，分隔着墨室的分隔壁。 以及具有两个以上的多层压电元件和固定在其上的两个以上的列的压电安装板。 两层以上的多层压电元件排列成一列，两层以上的列配置在层叠型压电元件之间。 此外，压电安装板设置在墨室的上表面上。 在喷墨头中，构成墨水室上表面的振动板保持在分隔壁和柱之间。 在彼此相邻的两个叠层压电元件之间布置有大的间隙和小的间隙，并且柱仅布置在具有大间隙的部分。

公开(公告)号：US08579420B2

公开(公告)日：2013-11-12

申请号：US13047432

申请日：2011-03-14

申请人： Hidehiro Yoshida ,  Kazuki Fukada ,  Keisei Yamamuro

发明人： Hidehiro Yoshida ,  Kazuki Fukada ,  Keisei Yamamuro

IPC分类号： B41J2/17

CPC分类号： B41J2/14274 ,  B41J2202/12

摘要： An ink-jet apparatus comprising: an ink supply channel through which ink flows; an ink chamber that communicates with the ink supply channel via an ink inlet channel, holds the ink supplied from the ink supply channel, and has a nozzle that discharges the ink; an ink evacuation channel that communicates with the ink chamber via an ink outlet channel, and through which the ink evacuated from the ink chamber flows; an ink circulating section that applies pressure to the ink so that the ink flows into the ink evacuation channel from the ink supply channel via the ink chamber; a first actuator that vibrates a wall of the ink chamber; and a second actuator that changes an area of a cross-section of the ink outlet channel.

摘要翻译： 一种喷墨设备，包括：墨水供应通道; 通过墨水入口通道与墨水供应通道连通的墨水室，保持从供墨通道供应的墨水，并具有排出墨水的喷嘴; 墨水排出通道，其经由墨水出口与墨水室连通，墨水从墨水室排出的墨水排出通道; 油墨循环部分，其对油墨施加压力，使得油墨经由油墨室从供墨通道流入排墨通道; 使所述墨水室的壁振动的第一致动器; 以及改变所述出墨通道的横截面的面积的第二致动器。

公开(公告)号：US08567925B2

公开(公告)日：2013-10-29

申请号：US13103298

申请日：2011-05-09

申请人： Hidehiro Yoshida ,  Kazuki Fukada ,  Keisei Yamamuro

发明人： Hidehiro Yoshida ,  Kazuki Fukada ,  Keisei Yamamuro

IPC分类号： B41J2/045 ,  B21D53/76

CPC分类号： B41J2/14274 ,  B41J2202/12

摘要： The present invention provides an ink-jet head which comprises an ink supply channel configured to allow ink to flow, two or more ink chambers each having a bottom surface with a nozzle and an upper surface constituting of a vibrating plate, the two or more ink chambers being arranged in a row along a direction in which the ink flows in the ink supply channel, a partition wall partitioning the ink chambers. and a piezo-mounting plate having two or more multilayer piezoelectric elements and two or more columns fixed thereto. The two or more multilayer piezoelectric elements are arranged in a row, and the two or more columns are arranged between the multilayer piezoelectric elements. And also, the piezo-mounting plate is arranged on the upper surface of the ink chambers. In the ink-jet head, the vibrating plate constituting the upper surface of the ink chamber is held between the partition wall and the column. A large gap and a small gap are arranged between the two multilayer piezoelectric elements adjacent to each other, and the column is arranged at only the portion with a large gap.

摘要翻译： 本发明提供了一种喷墨头，其包括构造成允许油墨流动的油墨供应通道，两个或更多个油墨室，每个油墨室具有带有喷嘴的底表面和构成振动板的上表面，所述两个或更多个油墨 沿墨水在供墨通道中流动的方向排列成一排，分隔着墨室的分隔壁。 以及具有两个以上的多层压电元件和固定在其上的两个以上的列的压电安装板。 两层以上的多层压电元件排列成一列，两层以上的列配置在层叠型压电元件之间。 此外，压电安装板设置在墨室的上表面上。 在喷墨头中，构成墨水室上表面的振动板保持在分隔壁和柱之间。 在彼此相邻的两个叠层压电元件之间布置有大的间隙和小的间隙，并且柱仅布置在具有大间隙的部分。

公开(公告)号：US08602533B2

公开(公告)日：2013-12-10

申请号：US13069752

申请日：2011-03-23

申请人： Kazuki Fukada ,  Hidehiro Yoshida ,  Keisei Yamamuro

发明人： Kazuki Fukada ,  Hidehiro Yoshida ,  Keisei Yamamuro

IPC分类号： B41J2/045

CPC分类号： B41J2/14274 ,  B41J2202/12

摘要： An ink jet head and an ink jet device having the same are provided, which include an ink supply path supplied with ink from an ink inlet port, an ink discharge path configured to discharge the ink to an ink discharge port, an ink chamber provided to communicate with the ink supply path and the ink discharge path and having a nozzle configured to discharge the ink, and a piezoelectric actuator operable to apply pressure to the ink within the ink chamber by displacement of a vibrating plate of the ink chamber, wherein the piezoelectric actuator is arranged through the vibrating plate of the ink chamber and an island member, the island member is disposed to extend between the ink supply path and the ink discharge path, and a length W1 of a side of the island member on the ink supply path side and a length L that extends from the ink supply path side to the ink discharge path side are different from each other.

摘要翻译： 提供了一种喷墨头和具有该喷墨头的喷墨装置，其包括从墨水入口供给墨水的墨水供给路径，将墨水排出到墨水排出口的墨水排出路径， 与墨水供应路径和墨水排出路径连通并具有用于排出墨水的喷嘴;以及压电致动器，其可操作以通过墨水室的振动板的位移对墨水室内的墨水施加压力，其中压电 驱动器通过墨水室的振动板和岛状部件布置，岛状部件设置成在墨水供给路径和墨水排出路径之间延伸，岛状部件的墨水供给路径侧的长度W1 并且从供墨路径侧延伸到喷墨路径侧的长度L彼此不同。

公开(公告)号：US08567921B2

公开(公告)日：2013-10-29

申请号：US13072895

申请日：2011-03-28

申请人： Hidehiro Yoshida ,  Kazuki Fukada ,  Keisei Yamamuro

发明人： Hidehiro Yoshida ,  Kazuki Fukada ,  Keisei Yamamuro

IPC分类号： B41J2/045 ,  B41J2/175 ,  B41J2/18

CPC分类号： B41J2/14274 ,  B41J2002/14419 ,  B41J2202/12

摘要： An ink-jet apparatus includes an ink supply flow path, an ink discharge flow path, and an ink flow path connecting them, in which piezoelectric elements are provided in the ink flow path having at least one turn part, the piezoelectric elements are arranged to be opposed to the ink flow path and are provided upstream of the turn part in the ink flow path and downstream of the turn part in the ink flow path, and a nozzle is provided between the piezoelectric element and the turn part in the ink flow path.

摘要翻译： 喷墨装置包括供墨流路，排墨流路和连接它们的墨流路，其中压电元件设置在具有至少一个匝部分的墨流路中，压电元件被布置成 设置在油墨流动路径的上游侧，设置在油墨流路中的转向部的上游侧以及油墨流路的转向部的下游侧，在墨流路中的压电元件与转向部之间设置有喷嘴 。

公开(公告)号：US08727507B2

公开(公告)日：2014-05-20

申请号：US13449364

申请日：2012-04-18

申请人： Kazuki Fukada ,  Hiroshi Hayata ,  Hidehiro Yoshida

发明人： Kazuki Fukada ,  Hiroshi Hayata ,  Hidehiro Yoshida

IPC分类号： B41J2/045

CPC分类号： B41J2/14274 ,  B41J2202/11 ,  B41J2202/12

摘要： Provided is an ink-jet apparatus that: has a wide control range of the direction for ink ejection; can correct a variation in the direction for ink ejection; and can improve the yield of a product when used for manufacture of electronic devices. The ink-jet apparatus includes: pressure chamber 110 configured with a pair of partition walls 111; nozzle plate 101 having nozzle 100; diaphragm 112 supported by partition walls 111; piezoelectric elements 131 and 132 that are in contact with diaphragm 112 for pressurizing pressure chamber 110; and piezoelectric elements 141, 142 and 143 supporting partition walls 111. A voltage can be applied individually to piezoelectric elements 131, 132, and 141 to 143. The widths of part A and part B of diaphragm 112, part A being in contact with a piezoelectric element, and part B being in contact with partition wall 111 satisfy a particular relationship.

摘要翻译： 本发明提供一种喷墨装置，其具有油墨喷射方向的宽的控制范围; 可以校正喷墨方向的变化; 并且当用于制造电子设备时可以提高产品的产量。 喷墨装置包括：配置有一对分隔壁111的压力室110; 具有喷嘴100的喷嘴板101; 由分隔壁111支撑的隔膜112; 压电元件131和132与隔膜112接触，用于对压力室110加压; 以及支撑分隔壁111的压电元件141,142和143.可以将电压分别施加到压电元件131,132和141至143上。隔膜112的部分A和部分B的宽度部分A与 压电元件和与分隔壁111接触的部分B满足特定的关系。

公开(公告)号：US08303080B2

公开(公告)日：2012-11-06

申请号：US13079222

申请日：2011-04-04

申请人： Hidehiro Yoshida ,  Kazuki Fukada

发明人： Hidehiro Yoshida ,  Kazuki Fukada

IPC分类号： B41J2/045

CPC分类号： B41J2/14201 ,  B41J2002/14403 ,  B41J2202/07 ,  B41J2202/12

摘要： An ink-jet head includes an ink chamber; an ink supply channel through which ink to be supplied to the ink chamber flows; an ink discharge channel through which the ink discharged from the ink chamber flows; a partition wall constituting a side surface of the ink chamber; an ink inlet opening formed in the partition wall, the ink inlet opening communicating with the ink supply channel; an ink outlet opening formed in the partition wall, the ink outlet opening communicating with the ink discharge channel; a piezo-mounting plate constituting a top surface of the ink chamber; an expandable multilayer piezoelectric element placed inside the ink chamber, the multilayer piezoelectric element having a fixed end secured to the piezo-mounting plate and a movable end directing to the expanding direction of the multilayer piezoelectric element; a nozzle plate constituting a bottom surface of the ink chamber; and a nozzle formed in the nozzle plate, the nozzle communicating with the ink chamber, wherein the multilayer piezoelectric element is separated from the partition wall, and the ink inlet opening is positioned closer to the fixed end of the multilayer piezoelectric element than to the movable end thereof.

摘要翻译： 喷墨头包括墨水室; 供给到墨水室的墨水的供墨路径流过; 从墨水室排出的墨流过的墨水排出通道; 构成所述墨水室侧面的分隔壁; 形成在分隔壁上的墨水入口，与墨水供应通道连通的墨水入口; 形成在分隔壁上的墨水出口，与排墨通道连通的墨出口; 构成所述墨室的上表面的压电安装板; 放置在所述墨水室内的可膨胀的多层压电元件，所述多层压电元件具有固定在所述压电安装板上的固定端和朝向所述多层压电元件的扩展方向的可动端; 构成墨水室底面的喷嘴板; 以及形成在喷嘴板中的喷嘴，与墨水室连通的喷嘴，其中多层压电元件与分隔壁分离，并且墨水入口开口更靠近多层压电元件的固定端而不是可移动的 结束。

公开(公告)号：US20110242226A1

公开(公告)日：2011-10-06

申请号：US13079222

申请日：2011-04-04

申请人： Hidehiro Yoshida ,  Kazuki Fukada

发明人： Hidehiro Yoshida ,  Kazuki Fukada

IPC分类号： B41J2/045

CPC分类号： B41J2/14201 ,  B41J2002/14403 ,  B41J2202/07 ,  B41J2202/12

摘要： An ink-jet head includes an ink chamber; an ink supply channel through which ink to be supplied to the ink chamber flows; an ink discharge channel through which the ink discharged from the ink chamber flows; a partition wall constituting a side surface of the ink chamber; an ink inlet opening formed in the partition wall, the ink inlet opening communicating with the ink supply channel; an ink outlet opening formed in the partition wall, the ink outlet opening communicating with the ink discharge channel; a piezo-mounting plate constituting a top surface of the ink chamber; an expandable multilayer piezoelectric element placed inside the ink chamber, the multilayer piezoelectric element having a fixed end secured to the piezo-mounting plate and a movable end directing to the expanding direction of the multilayer piezoelectric element; a nozzle plate constituting a bottom surface of the ink chamber; and a nozzle formed in the nozzle plate, the nozzle communicating with the ink chamber, wherein the multilayer piezoelectric element is separated from the partition wall, and the ink inlet opening is positioned closer to the fixed end of the multilayer piezoelectric element than to the movable end thereof.

摘要翻译： 喷墨头包括墨水室; 供给到墨水室的墨水的供墨路径流过; 从墨水室排出的墨流过的墨水排出通道; 构成所述墨水室侧面的分隔壁; 形成在分隔壁上的墨水入口，与墨水供应通道连通的墨水入口; 形成在分隔壁上的墨水出口，与排墨通道连通的墨出口; 构成所述墨室的上表面的压电安装板; 放置在所述墨水室内的可膨胀的多层压电元件，所述多层压电元件具有固定在所述压电安装板上的固定端和朝向所述多层压电元件的扩展方向的可动端; 构成墨水室底面的喷嘴板; 以及形成在喷嘴板中的喷嘴，与墨水室连通的喷嘴，其中多层压电元件与分隔壁分离，并且墨水入口开口更靠近多层压电元件的固定端而不是可移动的 结束。

公开(公告)号：US08827427B2

公开(公告)日：2014-09-09

申请号：US13092339

申请日：2011-04-22

申请人： Hidehiro Yoshida ,  Kazuki Fukada

发明人： Hidehiro Yoshida ,  Kazuki Fukada

IPC分类号： B41J2/155 ,  B41J2/175

CPC分类号： B41J2/175 ,  B41J2/155 ,  B41J2202/20

摘要： An ink-jet head comprising: a supply channel configured to allow ink to flow; ink chamber groups, each having two or more ink chambers that are alternately provided on either side of the supply channel, along a direction of the ink, the ink chambers each having nozzles for discharging ink; wherein: each of the ink chamber groups has two or more ink chamber sequences in parallel with the direction, and two or more nozzle sequences in parallel with the direction, in each of the ink chamber groups, when the ink chamber sequence closest to the supply channel is a first ink chamber sequence, and the ink chamber sequence furthest away from the supply channel is an n-th ink chamber sequence, the number of the ink chambers in the first ink chamber sequence is greater than the number of the ink chambers in the n-th ink chamber sequence.

摘要翻译： 一种喷墨头，包括：供给通道，其构造成允许墨水流动; 每个具有两个或更多个油墨室，每个油墨室沿着油墨的方向交替地设置在供给通道的两侧，每个油墨室均具有用于排出油墨的喷嘴; 其中：每个墨水室组具有与该方向平行的两个或更多个墨水室序列，以及当墨水室序列最靠近电源时在每个墨水室组中与喷墨方向平行的两个或更多个喷嘴顺序 通道是第一墨室序列，并且距离供应通道最远的墨室序列是第n墨室序列，第一墨室序列中的墨室数量大于墨室的数量 第n个墨水室顺序。

公开(公告)号：US20120182352A1

公开(公告)日：2012-07-19

申请号：US13345943

申请日：2012-01-09

申请人： Kazuki Fukada ,  Hidehiro Yoshida

发明人： Kazuki Fukada ,  Hidehiro Yoshida

IPC分类号： B41J2/04

CPC分类号： B41J2/14274 ,  B41J2002/14403 ,  B41J2002/14419 ,  B41J2002/14467 ,  B41J2202/12

摘要： Disclosed is an ink-jet head that can suppress occurrence of the crosstalk and facilitate a smooth ink circulation in pressure chambers. The ink jet head includes two or more pressure chambers 110 configured to be supplied with ink and each having a nozzle; ink supply channel 101 communicating with each of pressure chambers 110 and configured to allow the ink to flow to each of pressure chambers 110; ink discharge channel 102 communicating with each of pressure chambers 110 and configured to allow the ink discharged from each of pressure chambers 110 to flow; ink inlet channel 107 connecting each of pressure chambers 110 to ink supply channel 102; ink outlet channel 108 connecting each of pressure chambers 110 to ink discharge channel 102. An inner surface of ink outlet channel 108 includes unevenness 109.

摘要翻译： 公开了一种喷墨头，其可以抑制串扰的发生并且促进压力室中的光滑的油墨循环。 喷墨头包括两个或更多个压力室110，其被构造成供应油墨并且每个具有喷嘴; 供墨通道101与每个压力室110连通并且被配置为允许油墨流动到每个压力室110; 墨水排出通道102与每个压力室110连通并且构造成允许从每个压力室110排出的油流动; 将每个压力室110连接到供墨通道102的墨水入口通道107; 墨水出口通道108将每个压力室110连接到喷墨通道102.墨水出口通道108的内表面包括凹凸109。