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1. 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.

2. 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。

3. 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。

4. 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。

5. 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。

6. 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。

7. 发明授权

US11331919B2 Liquid discharging apparatus and support body 有权
公开(公告)号：US11331919B2
公开(公告)日：2022-05-17
申请号：US17004598
申请日：2020-08-27
申请人： SEIKO EPSON CORPORATION
发明人： Takahiro Kanegae , Hiroyuki Hagiwara , Nobuaki Ito , Shunsuke Watanabe
IPC分类号： B41J2/145 , B41J2/21
摘要： The plurality of first nozzles and the plurality of second nozzles are arranged such that a distance between nozzles adjacent to each other in a first direction is a first distance, the support body is provided with a first fixing portion for fixing the first head unit onto the support body and a second fixing portion for fixing the second head unit onto the support body, and a distance between the first fixing portion and the second fixing portion in the first direction is a second distance that is different from an integral multiple of the first distance.

8. 发明授权

US11110717B2 Channel member, head unit, and head unit group 有权
公开(公告)号：US11110717B2
公开(公告)日：2021-09-07
申请号：US16584601
申请日：2019-09-26
申请人： SEIKO EPSON CORPORATION
发明人： Hiroyuki Hagiwara , Katsuhiro Okubo , Kentaro Murakami
IPC分类号： B41J2/175
摘要： A channel member includes a liquid emission port coupled to a liquid introduction section to emit liquid to the liquid introduction section, and a liquid feeding port that receives liquid from outside to feed the liquid to the liquid emission port. The liquid emission port and the liquid feeding port have the same opening direction.

9. 发明申请

US20200207109A1 LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS 审中-公开
公开(公告)号：US20200207109A1
公开(公告)日：2020-07-02
申请号：US16728873
申请日：2019-12-27
申请人： SEIKO EPSON CORPORATION
发明人： Takahiro Kanegae , Katsuhiro Okubo , Hiroyuki Hagiwara
IPC分类号： B41J2/175
摘要： A liquid ejecting head including a first-liquid ejecting portion, a second-liquid ejecting portion, a common supply flow path being supplied a liquid from a liquid reservoir, a first-individual supply flow path communicating the common supply flow path and the first-liquid ejecting portion to each other, a second-individual supply flow path communicating the common supply flow path and the second-liquid ejecting portion to each other, a first-filter provided in the first-individual supply flow path, and a second-filter provided in the second-individual supply flow path. In the liquid ejecting head, regarding flow path resistance in the first-individual supply flow path, flow path resistance in the first-filter is the largest, regarding flow path resistance in the second-individual supply flow path, flow path resistance in the second-filter is the largest, and the flow path resistance in the first-filter and the flow path resistance in the second-filter are the same.

10. 发明授权

US10363749B2 Liquid discharging head, liquid discharging apparatus, and manufacturing method of liquid discharging apparatus 有权
公开(公告)号：US10363749B2
公开(公告)日：2019-07-30
申请号：US16022615
申请日：2018-06-28
申请人： SEIKO EPSON CORPORATION
发明人： Masahiko Sato , Hiroyuki Hagiwara , Hisashi Sato , Katsuhiro Okubo
IPC分类号： B41J2/175 , B41J2/14 , B41J2/195 , B41J2/19
摘要： A liquid discharging head includes an external cover portion which is connected to a liquid discharging apparatus and which discharges a liquid from a nozzle, in which the external cover portion includes a first gas hole for communicating a first gas flow path which is provided inside the external cover portion with an atmosphere, a second gas hole for carrying a gas between a second gas flow path which is provided inside the external cover portion and the liquid discharging apparatus, and a first liquid hole for carrying the liquid between a liquid flow path which is provided inside the external cover portion and the liquid discharging apparatus, and in which the first gas hole and the second gas hole are disposed separately in the external cover portion.

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