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公开(公告)号：US20190100024A1
公开(公告)日：2019-04-04
申请号：US16139972
申请日：2018-09-24
CPC分类号： B41J2/18 , B41J2/14024 , B41J2/1404 , B41J2/14145 , B41J2/1433 , B41J2/165 , B41J2/175 , B41J2/17596 , B41J2202/12 , B41J2202/20 , B41J2202/21
摘要： A liquid ejection apparatus includes an ejection port ejecting a liquid, a pressure chamber storing the liquid, an element generating energy for ejecting the liquid in the pressure chamber, first and second tanks which can store the liquid, a flow passage establishing communication between the first and second tanks through the pressure chamber, a switching unit switching a flowing direction of the liquid in the flow passage between a first direction from the first tank to the second tank and a second direction being opposite to the first direction, and a pressure compensation unit. When a pressure in a downstream side flow passage portion downstream of the pressure chamber has a predetermined pressure or below, the pressure compensation unit compensates for reduction in pressure in the downstream side flow passage portion by supplying the liquid to the downstream side flow passage portion.
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2.发明授权公开(公告)号：US10076918B2
公开(公告)日：2018-09-18
申请号：US15439327
申请日：2017-02-22
IPC分类号： B41J29/377
CPC分类号： B41J29/377 , B41J2/14024 , B41J2/1408 , B41J2/14201 , B41J2/14314 , B41J2002/14362 , B41J2202/08
摘要： A liquid-discharging head includes a pressure-generating element configured to be actuated to apply pressure on liquid in a pressure chamber from which the liquid is discharged through a nozzle, an actuation controller configured to control actuation of the pressure-generating element, a heat-releasing member configured to contact the actuation controller, and a cover member configured to cover the actuation controller and part of the heat-releasing member. The heat-releasing member includes a first heat-releasing member and a second heat-releasing member. The first heat-releasing member is arranged outside the cover member and has a surface exposed to external air. The second heat-releasing member is arranged inside the cover member and has a first end portion to contact the actuation controller. The first heat-releasing member and the second heat-releasing member are arranged to contact each other.
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公开(公告)号：US10071548B2
公开(公告)日：2018-09-11
申请号：US15502529
申请日：2015-07-29
CPC分类号： B41J2/01 , B41J2/14 , B41J2/14024 , B41J2/145 , B41J2/1752 , B41J3/543 , B41J25/34 , B41J2202/20
摘要： Printing module comprising an assembly arranged on the front side for mounting a printing head in an inkjet printer, wherein the printing module is arranged at a distance in relation to a depositing device and the assembly has a carrier frame having an opening which extends through the carrier frame and is provided for receiving/releasing the printing head, wherein the assembly has means for mounting the printing head which make it possible to receive the same on the front side in a repair position of the printing module in relation to the depositing device.
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公开(公告)号：US20180162130A1
公开(公告)日：2018-06-14
申请号：US15889533
申请日：2018-02-06
发明人： Takatsugu Moriya , Shintaro Kasai , Yoshiyuki Nakagawa , Akiko Saito , Koichi Ishida , Tatsuya Yamada , Shuzo Iwanaga , Ayako Tozuka , Tomoki Ishiwata , Tomohiro Sato
CPC分类号： B41J2/155 , B41J2/14024 , B41J2/1404 , B41J2/14072 , B41J2/14145 , B41J2/18 , B41J2202/12 , B41J2202/20
摘要： A liquid ejection module and a liquid ejection head capable of suppressing unevenness in printing are provided. Accordingly, openings are disposed so that a center position of at least one of openings in a plurality of ejection opening rows is not disposed on the same line extending in a print medium movement direction in a relative movement with respect to center positions of the other openings.
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公开(公告)号：US09975347B2
公开(公告)日：2018-05-22
申请号：US15391114
申请日：2016-12-27
发明人： Ayako Tozuka , Shuzo Iwanaga , Shintaro Kasai , Yoshiyuki Nakagawa , Akiko Saito , Tomohiro Sato , Takatsugu Moriya , Koichi Ishida , Tatsuya Yamada , Tomoki Ishiwata
CPC分类号： B41J2/17566 , B41J2/04508 , B41J2/14024 , B41J2/1404 , B41J2/14072 , B41J2/175 , B41J2/17563 , B41J2/18 , B41J2/2054 , B41J2/2132 , B41J2202/12 , B41J2202/20 , B41J2202/21
摘要： A liquid is reliably supplied to a liquid ejection head through a plurality of supply paths. The liquid is supplied to a plurality of areas of the liquid ejection head through the plurality of supply paths and a liquid ejection amount per unit time from the liquid ejection head is controlled so that a liquid flow amount of each of the areas becomes a predetermined flow amount or less.
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公开(公告)号：US09969157B1
公开(公告)日：2018-05-15
申请号：US15665560
申请日：2017-08-01
CPC分类号： B41J2/04573 , B41J2/0452 , B41J2/14016 , B41J2/14024 , B41J2/14129 , B41J2/14201 , B41J2/2125 , B41J2002/14362
摘要： A fluidic die may include a number of actuators. The number of actuators form a number of primitives. The fluidic die may include a digital-to-analog converter (DAC) to drive a number of the delay circuits. The delay circuits delay a number of activation pulses that activate the actuators associated with the primitives to reduce peak power demands of the fluidic die. A number of delay circuits may be coupled to each primitive.
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公开(公告)号：US09956773B2
公开(公告)日：2018-05-01
申请号：US15202050
申请日：2016-07-05
发明人： Shunsuke Watanabe , Katsumi Enomoto , Ryota Kinoshita , Hiroyuki Ishii , Hiroshige Owaki , Takahiro Kanegae , Katsuhiro Okubo
CPC分类号： B41J2/14201 , B41J2/04581 , B41J2/14 , B41J2/14024 , B41J2/1607 , B41J2002/14306 , B41J2202/13 , B41J2202/19
摘要： A wall-shaped enclosure that forms a space which can accommodate a head chip is formed in a projecting manner at a lower end of a lower case member. Since a cylindrical thick part is formed at the lower end of the lower case member, the lower case member is unlikely to be bent, particularly around the wall-shaped enclosure and a part where the wall-shaped enclosure is disposed. The head chip that is disposed in the space of the lower case member which is unlikely to be bent is unlikely to be subjected to an external force, and the cover member absorbs torsion generated between the head chip and the lower case member so that the head chip is even more unlikely to be subjected to the external force.
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公开(公告)号：US20180099502A1
公开(公告)日：2018-04-12
申请号：US15836768
申请日：2017-12-08
CPC分类号： B41J2/1433 , B41J2/14024 , B41J2/16 , B41J2/1623 , B41J2/1631 , B41J2/1632 , B41J2002/14362 , B41J2002/14419 , B41J2002/14467 , B41J2202/20 , B41J2202/21 , Y10T137/85938 , Y10T156/1056
摘要： A fluid ejection device may include a laminate fluid manifold comprising plates extending in a plane and stacked in a laminate plate stack. The stack may include a first fluid passage extending parallel to and between plates of the laminate plate stack and a second fluid passage extending parallel to and between plates of the laminate plate stack. The first fluid passage and the second fluid passage overlap when viewed from a direction perpendicular to the plane.
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公开(公告)号：US09914308B2
公开(公告)日：2018-03-13
申请号：US15387340
申请日：2016-12-21
发明人： Kazuhiro Yamada , Takatsuna Aoki , Seiichiro Karita , Shuzo Iwanaga , Akio Saito , Shingo Okushima , Zentaro Tamenaga , Yumi Komamiya , Noriyasu Nagai , Tatsurou Mori , Akira Yamamoto
CPC分类号： B41J2/18 , B41J2/14024 , B41J2/1404 , B41J2/14072 , B41J2/175 , B41J2/17563 , B41J2/17596 , B41J2202/12 , B41J2202/20 , B41J2202/21
摘要： A liquid ejection apparatus of the invention is a liquid ejection apparatus including a liquid storage container that stores liquid, a circulation mechanism that circulates liquid in a circulation path, and a liquid ejection head fluidly-connected to the liquid storage container, the liquid ejection head having a plurality of ejection openings, wherein the liquid ejection head includes at least a pair of common passages and a plurality of individual passages that connect one of the pair of common passages to the other one of the pair of common passages and communicate with the plurality of ejection openings, respectively, and at least a pair of pressure adjustment mechanisms whose pressures are set to different control pressures is connected to respective upstream sides or downstream sides of the pair of common passages.
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公开(公告)号：US20180043688A1
公开(公告)日：2018-02-15
申请号：US15784475
申请日：2017-10-16
发明人： Shingo Okushima , Seiichiro Karita , Takatsuna Aoki , Noriyasu Nagai , Eisuke Nishitani , Yumi Komamiya
CPC分类号： B41J2/145 , B41J2/14024 , B41J2/1404 , B41J2/14145 , B41J2002/012 , B41J2202/12 , B41J2202/20 , B41J2202/21
摘要： Provided is a liquid ejection head comprising: an ejection opening row along a first direction; a pressure chamber with print-element; a passage communicating with the pressure chamber; a supply opening row along the first direction with supply openings extending in a second direction to supply liquid to the passage; a collection opening row along the first direction with collection openings extending in the second direction to collect a liquid from the passage; a first common supply passage along the first direction to supply a liquid to the supply opening row; a first common collection passage along the first direction to collect a liquid from the collection opening row; a first supply side communication opening extending in the second direction to supply a liquid to the first common supply passage; and a first collection side communication opening extending in the second direction to collect a liquid from the first common collection passage, wherein at least one of the first supply side communication opening and the first collection side communication opening is provided at a plurality of positions.
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