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公开(公告)号：US10207509B2
公开(公告)日：2019-02-19
申请号：US15258394
申请日：2016-09-07
摘要： A liquid discharge head includes a nozzle, an individual liquid chamber, and a circulation channel. The nozzle discharges liquid. The individual liquid chamber is communicated with the nozzle. The circulation channel is communicated with the individual liquid chamber. A first direction in which liquid flows in the individual liquid chamber crosses a second direction in which liquid flows in the circulation channel. A liquid-inflow-side opening of the nozzle faces an area in which a flow of liquid changes from the first direction to the second direction.
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公开(公告)号：US10259231B2
公开(公告)日：2019-04-16
申请号：US15920612
申请日：2018-03-14
摘要： A liquid discharge head, includes a nozzle from which liquid is discharged, an individual chamber communicating with the nozzle, a supply channel communicating with the individual chamber, the liquid flowing through the supply channel in a first direction, and a filter disposed upstream of the supply channel, the liquid filtering through the filter in a second direction. The first direction intersects the second direction, and the supply channel includes an inlet disposed at a position overlapping the filter in the second direction.
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公开(公告)号：US10399355B2
公开(公告)日：2019-09-03
申请号：US15879906
申请日：2018-01-25
申请人： Takayuki Nakai , Toshimichi Odaka , Takakazu Kihira , Takahiro Yoshida , Shiomi Andou , Yukio Otome , Katsuya Ishii
发明人： Takayuki Nakai , Toshimichi Odaka , Takakazu Kihira , Takahiro Yoshida , Shiomi Andou , Yukio Otome , Katsuya Ishii
摘要： A liquid discharge head includes a plurality of nozzles to discharge a liquid, a plurality of individual chambers communicating with the plurality of nozzles, a plurality of discharge channels communicating with the plurality of individual chambers, a plurality of supply-side common chambers connected to the plurality of individual chambers, and a plurality of discharge-side common chambers connected to the plurality of discharge channels. The plurality of discharge-side common chamber has a same fluid resistance.
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公开(公告)号：US10179452B2
公开(公告)日：2019-01-15
申请号：US15844831
申请日：2017-12-18
申请人： Masami Iwama , Yukio Otome , Takahiro Yoshida , Takakazu Kihira , Takayuki Nakai , Shiomi Andou , Isamu Suzuki , Ryuji Yoshida , Kanshi Abe , Junichi Iwata , Katsuya Ishii , Toshimichi Odaka
发明人： Masami Iwama , Yukio Otome , Takahiro Yoshida , Takakazu Kihira , Takayuki Nakai , Shiomi Andou , Isamu Suzuki , Ryuji Yoshida , Kanshi Abe , Junichi Iwata , Katsuya Ishii , Toshimichi Odaka
摘要： A liquid discharge head includes a plurality of nozzles from which liquid is discharged, a plurality of individual-liquid-chambers communicating with the plurality of nozzles, respectively, a plurality of individual-drainage-channels communicating with the plurality of individual-liquid-chambers, respectively, a drainage-side common-liquid-chamber communicating with each of the plurality of individual-drainage-channels, a filter having filter holes and disposed between the plurality of individual-drainage-channels and the drainage-side common-liquid-chamber, and an intermediate-drainage-channel disposed between the filter and the plurality of individual-drainage-channels. The intermediate-drainage-channel faces the filter and communicates with two or more of the plurality of individual-drainage-channels. A cross-sectional area of the intermediate-drainage-channel is greater than a cross-sectional area of each of the plurality of individual-drainage-channels communicating with the intermediate-drainage-channel in a direction perpendicular to a direction of liquid flow.
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公开(公告)号：US20180272743A1
公开(公告)日：2018-09-27
申请号：US15879906
申请日：2018-01-25
申请人： Takayuki Nakai , Toshimichi Odaka , Takakazu Kihira , Takahiro Yoshida , Shiomi Andou , Yukio Otome , Katsuya Ishii
发明人： Takayuki Nakai , Toshimichi Odaka , Takakazu Kihira , Takahiro Yoshida , Shiomi Andou , Yukio Otome , Katsuya Ishii
CPC分类号： B41J2/19 , B41J2/14233 , B41J2/14274 , B41J2/175 , B41J2/17509 , B41J2/17596 , B41J2/18 , B41J2002/14338 , B41J2002/14403 , B41J2202/12 , B41J2202/20 , B41J2202/21
摘要： A liquid discharge head includes a plurality of nozzles to discharge a liquid, a plurality of individual chambers communicating with the plurality of nozzles, a plurality of discharge channels communicating with the plurality of individual chambers, a plurality of supply-side common chambers connected to the plurality of individual chambers, and a plurality of discharge-side common chambers connected to the plurality of discharge channels. The plurality of discharge-side common chamber has a same fluid resistance.
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公开(公告)号：US09815285B2
公开(公告)日：2017-11-14
申请号：US15358486
申请日：2016-11-22
申请人： Yukio Otome , Takahiro Yoshida , Takayuki Nakai , Shiomi Andou , Kanshi Abe , Kenshiroh Munetomo , Toshimichi Odaka
发明人： Yukio Otome , Takahiro Yoshida , Takayuki Nakai , Shiomi Andou , Kanshi Abe , Kenshiroh Munetomo , Toshimichi Odaka
CPC分类号： B41J2/1433 , B41J2/14233 , B41J2/14274 , B41J2002/14306 , B41J2002/14419 , B41J2202/11
摘要： A liquid discharge head includes a channel plate. The channel plate includes a fluid restrictor, a channel, a first plate member, and a second plate member. The channel is disposed on at least one of an upstream side and a downstream side of the fluid restrictor in a direction of flow of liquid. The channel has a greater width than a width of the fluid restrictor in a direction perpendicular to the direction of flow of liquid in an in-plane direction. The first plate member has a through hole including at least one broad portion and a narrow portion. The narrow portion is the fluid restrictor. The second plate member includes at least one through hole constituting part of the channel with the broad portion. The through hole is disposed opposite an end of the narrow portion at which the narrow portion is connected to the broad portion.
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公开(公告)号：US10160216B2
公开(公告)日：2018-12-25
申请号：US15333389
申请日：2016-10-25
申请人： Takayuki Nakai , Takahiro Yoshida , Shiomi Andou , Toshimichi Odaka , Kanshi Abe
发明人： Takayuki Nakai , Takahiro Yoshida , Shiomi Andou , Toshimichi Odaka , Kanshi Abe
摘要： A droplet discharge head includes a plurality of discharge orifices, a plurality of pressure generation chambers, a supply liquid chamber, a plurality of supply channels, a circulation liquid chamber, and a plurality of circulation channels. The discharge orifices discharge droplets. The pressure generation chambers are communicated with the discharge orifices, to apply pressure to liquid in the pressure generation chambers. The supply liquid chamber stores liquid to be supplied to the pressure generation chambers. The supply channels are communicated with the pressure generation chambers. The circulation liquid chamber receives liquid collected from the pressure generation chambers. The circulation channels communicate the pressure generation chambers with the circulation liquid chamber. Each of the circulation channels includes a small cross-section portion that has a smaller cross-sectional area in a width direction perpendicular to a longitudinal direction of each of the circulation channels than another portion in the longitudinal direction.
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公开(公告)号：US20190263119A1
公开(公告)日：2019-08-29
申请号：US16274380
申请日：2019-02-13
摘要： A liquid discharge head includes a plurality of nozzles, a plurality of individual liquid chambers, a common supply channel, and a common collection channel. The plurality of nozzles discharges a liquid. The plurality of individual liquid chambers communicates with the plurality of nozzles, respectively. The common supply channel communicates with the plurality of individual liquid chambers. The common collection channel communicates with the plurality of individual liquid chambers. At least a part of at least one of the common supply channel and the common collection channel is disposed at a position overlapping with the plurality of individual liquid chambers when the plurality of individual liquid chambers is projected in a vertical direction.
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公开(公告)号：US10737491B2
公开(公告)日：2020-08-11
申请号：US16274380
申请日：2019-02-13
摘要： A liquid discharge head includes a plurality of nozzles, a plurality of individual liquid chambers, a common supply channel, and a common collection channel. The plurality of nozzles discharges a liquid. The plurality of individual liquid chambers communicates with the plurality of nozzles, respectively. The common supply channel communicates with the plurality of individual liquid chambers. The common collection channel communicates with the plurality of individual liquid chambers. At least a part of at least one of the common supply channel and the common collection channel is disposed at a position overlapping with the plurality of individual liquid chambers when the plurality of individual liquid chambers is projected in a vertical direction.
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10.发明申请公开(公告)号：US20160185113A1
公开(公告)日：2016-06-30
申请号：US14976757
申请日：2015-12-21
申请人： Takahiro Yoshida , Tomohiko Kohda , Takeshi Shimizu , Kanshi Abe , Ryo Kasahara , Takayuki Nakai , Shiomi Andou
发明人： Takahiro Yoshida , Tomohiko Kohda , Takeshi Shimizu , Kanshi Abe , Ryo Kasahara , Takayuki Nakai , Shiomi Andou
IPC分类号： B41J2/14
CPC分类号： B41J2/1433 , B41J2/14201 , B41J2/14233 , B41J2002/14362 , B41J2002/14387 , B41J2002/14419 , B41J2202/12
摘要： A liquid ejection head is provided. The liquid ejection head includes at least two nozzle lines configured to have a plurality of nozzles for ejecting liquid disposed in respective lines, a plurality of individual liquid chambers configured to be in communication with corresponding nozzles of the nozzle lines, and at least two circulation channels corresponding to the nozzle lines, configured to be in communication with the individual liquid chambers. The at least two circulation channels are in communication with each other through a bridging channel disposed in a direction intersecting with the nozzle line direction, and the bridging channel and the circulation channels are disposed at different positions in a thickness direction of a member which forms the bridging channel and the circulation channels.
摘要翻译： 提供液体喷射头。 液体喷射头包括至少两个喷嘴线，其被配置为具有用于喷射设置在各个管线中的液体的多个喷嘴，多个单独的液体室，其被配置为与喷嘴管线的相应喷嘴连通，以及至少两个循环通道 对应于喷嘴线，其构造成与各个液体室连通。 所述至少两个循环通道通过沿与喷嘴线方向相交的方向设置的桥接通道彼此连通，并且所述桥接通道和所述循环通道设置在形成所述连接部件的部件的厚度方向上的不同位置 桥接通道和循环通道。
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