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1. 发明授权

US11673399B2 Liquid ejecting head and liquid ejecting apparatus 有权
公开(公告)号：US11673399B2
公开(公告)日：2023-06-13
申请号：US17443903
申请日：2021-07-28
申请人： SEIKO EPSON CORPORATION
发明人： Takahiro Kanegae , Katsuhiro Okubo , Hiroyuki Hagiwara , Nobuaki Ito , Shun Katsuie
IPC分类号： B41J2/175 , B41J2/18 , B41J2/14 , B41J2/155
CPC分类号： B41J2/17563 , B41J2/18 , B41J2/14233 , B41J2/155 , B41J2002/14403 , B41J2202/12 , B41J2202/20
摘要： There is provided a liquid ejecting head which is long in a first direction and short in a second direction, including: a first introduction section; a second introduction section; a first filter chamber group having a first filter chamber and a second filter chamber; a second filter chamber group having a third filter chamber and a fourth filter chamber; a first supply flow path for supplying the liquid from the first introduction section to the first filter chamber group; and a second supply flow path for supplying the liquid from the second introduction section to the second filter chamber group, in which the first introduction section, the second introduction section, the first filter chamber group, and the second filter chamber group are arranged side by side in this order in the first direction.

2. 发明授权

US11648778B2 Liquid ejecting head and liquid ejecting apparatus 有权
公开(公告)号：US11648778B2
公开(公告)日：2023-05-16
申请号：US17387685
申请日：2021-07-28
申请人： Seiko Epson Corporation
发明人： Takahiro Kanegae , Katsuhiro Okubo , Hiroyuki Hagiwara , Nobuaki Ito , Shun Katsuie
IPC分类号： B41J2/175 , B41J2/18 , B41J2/14 , B41J2/155
CPC分类号： B41J2/17563 , B41J2/18 , B41J2/14233 , B41J2/155 , B41J2002/14403 , B41J2202/12 , B41J2202/20
摘要： There is provided a liquid ejecting head including: first and second nozzle rows extending in a first direction; a first supply flow path; a first filter chamber having a first inlet; and a second filter chamber having a second inlet, in which the first and second nozzle rows are shifted from each other in both the first direction and a second direction orthogonal to the first direction, the first supply flow path has a branch flow path for distributing the liquid between the first filter chamber and the second filter chamber at a branch position, the branch position is disposed between the first filter chamber and the second filter chamber in a plan view, and the first and second inlets are disposed at a part where the first filter chamber and the second filter chamber overlap each other when viewed in the second direction.

3. 发明授权

US10059106B2 Liquid ejecting head and liquid ejecting apparatus 有权
公开(公告)号：US10059106B2
公开(公告)日：2018-08-28
申请号：US14920679
申请日：2015-10-22
申请人： SEIKO EPSON CORPORATION
发明人： Hiroyuki Hagiwara , Toshinobu Yamazaki , Kentaro Murakami , Isao Takimoto , Hidekazu Todoroki , Tomoo Kinoshita , Takayuki Shimosaka , Kazushige Hakeda
IPC分类号： B41J2/045 , B41J2/155 , B41J2/14
CPC分类号： B41J2/155 , B41J2/14233 , B41J2002/14362 , B41J2002/14491 , B41J2202/11 , B41J2202/21
摘要： Provided is a liquid ejecting head including: a first board on which a driving element for ejecting liquid is installed; a second board which is installed on the surface of the first board and covers the driving element; a wiring board that includes a first surface on which a wiring, where a driving signal is supplied to the driving element, is formed and a second surface that is at the opposite side to the first surface, and where the first surface of a first end section is joined to the surface of the first board; and a filling material which covers the wiring by being formed at least between the first surface and a wall surface of the second board, in which the height of the filling material with respect to the surface of the first board is high at the first surface side in comparison to the second surface side.

4. 发明授权

US09346271B2 Liquid ejecting head 有权
标题翻译：液体喷头
公开(公告)号：US09346271B2
公开(公告)日：2016-05-24
申请号：US14751949
申请日：2015-06-26
申请人： Seiko Epson Corporation
发明人： Hiroyuki Kobayashi , Hiroshige Owaki , Toshinobu Yamazaki , Hiroyuki Hagiwara
IPC分类号： B41J2/165 , B41J2/14 , B41J2/16
CPC分类号： B41J2/16508 , B41J2/14233 , B41J2/1623 , B41J2/165 , B41J2002/14362
摘要： A liquid ejecting head includes a fixing plate which includes a bottom surface which is fixed onto the nozzle surface of each of a plurality of head units which are provided to line up in a state in which a first gap is formed along a first direction, and a first side surface which extends from an edge of the bottom surface which is positioned closer to an outside in the first direction than the lined-up head units to the head unit side. The fixing plate includes a second gap which is formed between the first side surface and the head units which are positioned at ends in the first direction among the head units. The liquid ejecting head also includes a second outer circumferential mold which fills at least a portion of the first gap, and a third outer circumferential mold which fills at least a portion of the second gap. The third outer circumferential mold fills the second gap at a position which is distanced further from the bottom surface than the second outer circumferential mold in a direction which is perpendicular to the bottom surface, and a hardness of the third outer circumferential mold is higher than a hardness of the second outer circumferential mold.
摘要翻译：液体喷射头包括固定板，该固定板包括固定在沿着第一方向形成有第一间隙的状态下设置为排列的多个喷头单元的喷嘴表面上的底表面，以及所述第一侧表面从所述底表面的边缘朝向所述头单元侧在所述第一方向上比所述排列头单元更靠近外侧延伸。所述固定板包括形成在所述第一侧表面和所述头单元之间的第二间隙，所述第一间隙位于所述头单元中沿所述第一方向的端部。液体喷射头还包括填充第一间隙的至少一部分的第二外周模具和填充第二间隙的至少一部分的第三外周模具。第三外周模具在垂直于底面的方向上在比第二外周模具更远离底面的位置处填充第二间隙，并且第三外周模具的硬度高于第二外周模具的硬度。

5. 发明授权

US09193162B2 Liquid ejecting head and liquid ejecting apparatus with a rib which divides the flow of the liquid inside the manifold in two 有权
标题翻译：液体喷射头和液体喷射装置，其具有将歧管内的液体流分为两部分的肋
公开(公告)号：US09193162B2
公开(公告)日：2015-11-24
申请号：US14566606
申请日：2014-12-10
申请人： Seiko Epson Corporation
发明人： Hiroshige Owaki , Hiroyuki Hagiwara
IPC分类号： B41J2/19 , B41J2/14
CPC分类号： B41J2/1433 , B41J2/14233 , B41J2/19 , B41J2002/14419 , B41J2002/14491 , B41J2202/12
摘要： A liquid ejecting head includes: a pressure generation chamber that communicates with a nozzle opening; a pressure generation unit that generates a change in a pressure in the pressure generation chamber; a manifold that communicates with a plurality of pressure generation chambers; and a rib that is provided inside the manifold, in which the rib is formed over the manifold in a direction intersecting a liquid flowing inside the manifold, and in which a notch section that divides the flow inside the manifold into two is provided in the rib.
摘要翻译：液体喷射头包括：与喷嘴开口连通的压力产生室; 产生压力产生室中的压力变化的压力产生单元; 与多个压力产生室连通的歧管; 以及肋，其设置在歧管内部，肋在与歧管内流动的液体相交的方向上形成在歧管上，并且其中将歧管内的流分为两部分的切口部设置在肋中。

6. 发明申请

US20150251430A1 LIQUID EJECTING APPARATUS AND CONTROL METHOD THEREOF 有权
标题翻译：液体喷射装置及其控制方法
公开(公告)号：US20150251430A1
公开(公告)日：2015-09-10
申请号：US14637990
申请日：2015-03-04
申请人： Seiko Epson Corporation
发明人： Hiroyuki ISHII , Hiroshige Owaki , Hiroaki Okui , Hiroyuki Hagiwara
IPC分类号： B41J2/165
CPC分类号： B41J2/16523 , B41J2/16508 , B41J2/1652 , B41J2/175 , B41J2/18 , B41J29/38
摘要： A liquid ejecting apparatus includes a liquid ejecting head which includes a manifold; a first flow path and a second flow path which are connected to the manifold; a switching unit which switches a communication state between a liquid storage unit and the respective first and second flow paths; a pressure regulating unit which includes a valve which is open due to negative pressure on the manifold side of the first flow path; and a control unit which controls the switching unit, in which the control unit is capable of performing switching between a first mode in which liquid is supplied to the manifold through the valve and a second mode in which liquid is supplied to the manifold without going through the valve.
摘要翻译：液体喷射装置包括：液体喷射头，其包括歧管; 连接到歧管的第一流动路径和第二流动路径; 切换单元，其切换液体存储单元和相应的第一和第二流动路径之间的通信状态; 压力调节单元，其包括在所述第一流路的歧管侧上由于负压而打开的阀; 以及控制单元，其控制所述切换单元，其中所述控制单元能够在通过所述阀向所述歧管供应液体的第一模式和其中向所述歧管供应液体的第二模式之间进行切换，而不经过阀门。

7. 发明授权

US09044957B2 Liquid ejecting apparatus 有权
标题翻译：液体喷射装置
公开(公告)号：US09044957B2
公开(公告)日：2015-06-02
申请号：US14048366
申请日：2013-10-08
申请人： Seiko Epson Corporation
发明人： Hiroshige Owaki , Hiroyuki Hagiwara , Haruhisa Uezawa
IPC分类号： B41J2/175 , B41J2/18
CPC分类号： B41J2/17596 , B41J2/17563 , B41J2/18
摘要： A liquid ejecting apparatus includes a liquid ejecting head that ejects liquid in a manifold as liquid droplets from a nozzle opening; a supply path that supplies the liquid to the manifold; a pump unit that is disposed in the supply path and pumps the liquid; and a discharge path that discharges the liquid from the manifold, wherein a flow path resistance of the discharge path from the manifold is smaller than a flow path resistance of the supply path from the pump unit to the manifold.
摘要翻译：液体喷射装置包括：液体喷射头，其将来自喷嘴开口的液滴喷射在歧管中; 将液体供应到歧管的供应路径; 泵单元，其设置在所述供给路径中并泵送所述液体; 以及从歧管排出液体的排出路径，其中，来自歧管的排出路径的流路阻力小于从泵单元到歧管的供给路径的流路阻力。

8. 发明申请

US20140104348A1 Liquid Ejecting Apparatus 有权
标题翻译：液体喷射装置
公开(公告)号：US20140104348A1
公开(公告)日：2014-04-17
申请号：US14048366
申请日：2013-10-08
申请人： Seiko Epson Corporation
发明人： Hiroshige Owaki , Hiroyuki Hagiwara , Haruhisa Uezawa
IPC分类号： B41J2/175
CPC分类号： B41J2/17596 , B41J2/17563 , B41J2/18
摘要： A liquid ejecting apparatus includes a liquid ejecting head that ejects liquid in a manifold as liquid droplets from a nozzle opening; a supply path that supplies the liquid to the manifold; a pump unit that is disposed in the supply path and pumps the liquid; and a discharge path that discharges the liquid from the manifold, wherein a flow path resistance of the discharge path from the manifold is smaller than a flow path resistance of the supply path from the pump unit to the manifold.
摘要翻译：液体喷射装置包括：液体喷射头，其将来自喷嘴开口的液滴喷射在歧管中; 将液体供应到歧管的供应路径; 泵单元，其设置在所述供给路径中并泵送所述液体; 以及从歧管排出液体的排出路径，其中，来自歧管的排出路径的流路阻力小于从泵单元到歧管的供给路径的流路阻力。

9. 发明授权

US11433671B2 Liquid ejecting head unit 有权
公开(公告)号：US11433671B2
公开(公告)日：2022-09-06
申请号：US17001225
申请日：2020-08-24
申请人： SEIKO EPSON CORPORATION
发明人： Hiroyuki Hagiwara , Katsuhiro Okubo , Takahiro Kanegae , Keita Moriyama
IPC分类号： B41J2/14
摘要： A liquid ejecting head unit configured to eject a liquid includes a flow channel member, and a liquid ejecting head configured to eject the liquid supplied from the flow channel member, in which the flow channel member includes a flow channel structure having a supply flow channel through which the liquid supplied from the outside flows, and a supply protrusion that protrudes from the flow channel structure and has a supply port for supplying the liquid from the outside to the supply flow channel, a wall surface of the supply flow channel is made of a resin, and at least a part of the supply protrusion is made of a metal.

10. 发明授权

US11155096B2 Liquid ejecting unit and liquid ejecting apparatus 有权
公开(公告)号：US11155096B2
公开(公告)日：2021-10-26
申请号：US16886224
申请日：2020-05-28
申请人： SEIKO EPSON CORPORATION
发明人： Masahiko Sato , Hiroyuki Hagiwara , Hironori Matsuoka , Hiroyuki Kobayashi , Takahiro Kanegae
IPC分类号： B41J2/175
摘要： A liquid ejecting unit includes: a first chamber; a second chamber; a third chamber; a fourth chamber; a first liquid passage for supplying a first type of liquid to the first chamber and the third chamber; a second liquid passage for supplying a second type of liquid to the second chamber and the fourth chamber, the second type of liquid differing from the first type of liquid; a first fluid passage for supplying fluid to the first chamber and the second chamber; and a second fluid passage for supplying the fluid to the third chamber and the fourth chamber.

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