公开(公告)号：US08308263B2

公开(公告)日：2012-11-13

申请号：US12642977

申请日：2009-12-21

申请人： Atsushi Murakami ,  Masaki Kataoka ,  Masahito Katada ,  Yuko Katada, legal representative ,  Natsuki Katada, legal representative ,  Daichi Katada, legal representative ,  Tetsuzo Kadomatsu

发明人： Atsushi Murakami ,  Masaki Kataoka ,  Masahito Katada ,  Tetsuzo Kadomatsu

IPC分类号： B41J29/38

CPC分类号： B41J2/175 ,  B41J2/17596

摘要： A droplet ejection apparatus includes droplet ejection units each including a supply port and an ejection port, a common supply flow path, a common discharge flow path, supply flow paths that connect the supply port to the common supply flow path, openable mechanisms provided at the supply flow paths, discharge flow paths that connect the ejection port to the common discharge flow path, one-way valves provided at the discharge flow paths, a pressure applying unit, and a controller. When performing a maintenance operation of a selected droplet ejection unit, the controller applies a pressure with the pressure applying unit so that the pressure in the plural discharge flow paths at the common discharge flow path side with respect to the respective one-way valves is higher than the other side, and opens only the openable mechanism corresponding to the selected droplet ejection unit.

摘要翻译： 液滴喷射装置包括各自包括供给口和喷射口的液滴喷射单元，公共供给流路，公共排出流路，将供给口与公共供给流路连接的供给流路， 供给流路，将排出口连接到公共排出流路的排出流路，设置在排出流路的单向阀，压力施加单元和控制器。 当进行所选择的液滴喷射单元的维护操作时，控制器利用压力施加单元施加压力，使得相对于各个单向阀的共同排出流路侧的多个排出流路中的压力更高 并且仅打开与所选择的液滴喷射单元相对应的可打开机构。

公开(公告)号：US08256861B2

公开(公告)日：2012-09-04

申请号：US12643013

申请日：2009-12-21

申请人： Atsushi Murakami ,  Masaki Kataoka ,  Masahito Katada ,  Yuko Katada, legal representative ,  Natsuki Katada, legal representative ,  Daichi Katada, legal representative ,  Tetsuzo Kadomatsu

发明人： Atsushi Murakami ,  Masaki Kataoka ,  Masahito Katada ,  Tetsuzo Kadomatsu

IPC分类号： B41J29/38

CPC分类号： B41J2/17596 ,  B41J2/175

摘要： A droplet ejection apparatus includes a common flow path; droplet ejection units each respectively including a first distribution port; first flow paths that respectively connect each first distribution port to the common flow path; first open/close mechanisms provided respectively at the first flow paths; a first pressurizing unit that applies a positive pressure to the common flow path; a second open/close mechanisms provided at the common flow path at the first pressurizing unit side of connection portions that connect the common flow path and the respective first flow paths; and a controller. When the second open/close mechanism is closed, the controller opens only one or more first open/close mechanisms corresponding to one or more target droplet ejection units, applies positive pressure to a section of the common flow path at the first pressurizing unit side of the second open/close mechanism, and then opens the second open/close mechanism.

摘要翻译： 液滴喷射装置包括公共流路; 液滴喷射单元分别包括第一分配口; 分别将每个第一分配端口连接到公共流动路径的第一流动路径; 分别设置在第一流路上的第一开/关机构; 对所述公共流路施加正压的第一加压单元; 第二开闭机构，其设置在连接公共流路和各自的第一流路的连接部的第一加压单元侧的公共流路上; 和控制器。 当第二打开/关闭机构关闭时，控制器仅打开与一个或多个目标液滴喷射单元对应的一个或多个第一打开/关闭机构，在第一加压单元侧的公共流动路径的一部分施加正压力 第二个打开/关闭机制，然后打开第二个打开/关闭机制。

公开(公告)号：US20100188454A1

公开(公告)日：2010-07-29

申请号：US12643013

申请日：2009-12-21

申请人： Atsushi Murakami ,  Masaki Kataoka ,  Masahito Katada ,  Yuko Katada ,  Natsuki Katada ,  Daichi Katada ,  Tetsuzo Kadomatsu

发明人： Atsushi Murakami ,  Masaki Kataoka ,  Masahito Katada ,  Yuko Katada ,  Natsuki Katada ,  Daichi Katada ,  Tetsuzo Kadomatsu

IPC分类号： B41J29/38

CPC分类号： B41J2/17596 ,  B41J2/175

摘要： A droplet ejection apparatus includes a common flow path; droplet ejection units each respectively including a first distribution port; first flow paths that respectively connect each first distribution port to the common flow path; first open/close mechanisms provided respectively at the first flow paths; a first pressurizing unit that applies a positive pressure to the common flow path; a second open/close mechanisms provided at the common flow path at the first pressurizing unit side of connection portions that connect the common flow path and the respective first flow paths; and a controller. When the second open/close mechanism is closed, the controller opens only one or more first open/close mechanisms corresponding to one or more target droplet ejection units, applies positive pressure to a section of the common flow path at the first pressurizing unit side of the second open/close mechanism, and then opens the second open/close mechanism.

摘要翻译： 液滴喷射装置包括公共流路; 液滴喷射单元分别包括第一分配口; 分别将每个第一分配端口连接到公共流动路径的第一流动路径; 分别设置在第一流路上的第一开/关机构; 对所述公共流路施加正压的第一加压单元; 第二开闭机构，其设置在连接公共流路和各自的第一流路的连接部的第一加压单元侧的公共流路上; 和控制器。 当第二打开/关闭机构关闭时，控制器仅打开与一个或多个目标液滴喷射单元对应的一个或多个第一打开/关闭机构，在第一加压单元侧的公共流动路径的一部分施加正压力 第二个打开/关闭机制，然后打开第二个打开/关闭机制。

公开(公告)号：US20100188453A1

公开(公告)日：2010-07-29

申请号：US12642977

申请日：2009-12-21

申请人： Atsushi Murakami ,  Masaki Kataoka ,  Masahito Katada ,  Yuko Katada ,  Natsuki Katada ,  Daichi Katada ,  Tetsuzo Kadomatsu

发明人： Atsushi Murakami ,  Masaki Kataoka ,  Masahito Katada ,  Yuko Katada ,  Natsuki Katada ,  Daichi Katada ,  Tetsuzo Kadomatsu

IPC分类号： B41J29/38

CPC分类号： B41J2/175 ,  B41J2/17596

摘要： A droplet ejection apparatus includes droplet ejection units each including a supply port and an ejection port, a common supply flow path, a common discharge flow path, supply flow paths that connect the supply port to the common supply flow path, openable mechanisms provided at the supply flow paths, discharge flow paths that connect the ejection port to the common discharge flow path, one-way valves provided at the discharge flow paths, a pressure applying unit, and a controller. When performing a maintenance operation of a selected droplet ejection unit, the controller applies a pressure with the pressure applying unit so that the pressure in the plural discharge flow paths at the common discharge flow path side with respect to the respective one-way valves is higher than the other side, and opens only the openable mechanism corresponding to the selected droplet ejection unit.

摘要翻译： 液滴喷射装置包括各自包括供给口和喷射口的液滴喷射单元，公共供给流路，公共排出流路，将供给口与公共供给流路连接的供给流路， 供给流路，将排出口连接到公共排出流路的排出流路，设置在排出流路的单向阀，压力施加单元和控制器。 当进行所选择的液滴喷射单元的维护操作时，控制器利用压力施加单元施加压力，使得相对于各个单向阀的共同排出流路侧的多个排出流路中的压力更高 并且仅打开与所选择的液滴喷射单元相对应的可打开机构。

公开(公告)号：US08132902B2

公开(公告)日：2012-03-13

申请号：US12470211

申请日：2009-05-21

申请人： Hiroshi Shibata ,  Masahito Katada ,  Yuko Katada, legal representative ,  Atsushi Murakami

发明人： Hiroshi Shibata ,  Masahito Katada ,  Atsushi Murakami

IPC分类号： B41J2/18

CPC分类号： B41J2/17509 ,  B41J2/17556

摘要： An inkjet recording apparatus includes: a recording head including an introduction section, a discharge section and nozzles; a first liquid chamber connected to the introduction section; a second liquid chamber connected to the discharge section; a first buffer tank which is connected to the first liquid chamber and an interior of which is open to air; a second buffer tank which is connected to the second liquid chamber and an interior of which is open to air; and a pressure control device which sets target pressures of the first liquid chamber and the second liquid chamber in such a manner that a prescribed back pressure is applied to the liquid inside the nozzles of the recording head while a prescribed pressure differential is provided between the first liquid chamber and the second liquid chamber, and controls driving of the first pump and the second pump in accordance with determination results of the pressure determination device in such a manner that the internal pressures of the first liquid chamber and the second liquid chamber remain constant at the target pressures, wherein the first buffer tank and the second buffer tank are connected via a flow channel, and at least one of a filter and a deaeration device is provided in the flow channel.

摘要翻译： 喷墨记录装置包括：记录头，包括导入部，排出部和喷嘴; 与引入部连接的第一液体室; 与排出部连接的第二液体室; 第一缓冲罐，其连接到第一液体室并且其内部对空气敞开; 第二缓冲罐，其连接到第二液体室并且其内部对空气敞开; 以及压力控制装置，其以规定的背压施加到记录头的喷嘴内的液体的方式设定第一液体室和第二液体室的目标压力，同时在第一 液体室和第二液体室，并且根据压力确定装置的确定结果控制第一泵和第二泵的驱动，使得第一液体室和第二液体室的内部压力保持恒定 所述目标压力，其中所述第一缓冲罐和所述第二缓冲罐经由流路连接，并且所述流路中设置有过滤器和脱气装置中的至少一个。

公开(公告)号：US08240823B2

公开(公告)日：2012-08-14

申请号：US12725608

申请日：2010-03-17

申请人： Atsushi Murakami ,  Masaki Kataoka ,  Tetsuzo Kadomatsu ,  Hiroshi Shibata

发明人： Atsushi Murakami ,  Masaki Kataoka ,  Tetsuzo Kadomatsu ,  Hiroshi Shibata

IPC分类号： B41J2/175

CPC分类号： B41J2/1707 ,  B41J2/18

摘要： A liquid droplet ejecting apparatus including: plural liquid droplet ejecting portions; supply-side individual flow paths; discharge-side individual flow paths; a supply-side common flow path; a discharge-side common flow path; first opening/closing mechanisms; second opening/closing mechanisms; a first pressure applying portion; a second pressure applying portion; a first circulating path; a third opening/closing mechanism; a second circulating path including an upstream end portion being connected to the supply-side common flow path further downstream than a connecting portion of a supply-side individual flow path connected to the supply-side common flow path at a furthest upstream side in a liquid circulating direction and a downstream end portion being connected to the discharge-side common flow path, and circulating the liquid between the supply-side common flow path and the discharge-side common flow path; and a fourth opening/closing mechanism, is provided.

摘要翻译： 一种液滴喷射装置，包括：多个液滴喷射部; 供给侧单独流路; 排放侧单独流路; 供给侧公共流路; 排出侧公共流路; 第一次开闭机制; 第二次开闭机制; 第一压力施加部分; 第二压力施加部分; 第一循环路径; 第三个开闭机构; 第二循环路径，其包括上游端部，其与供给侧公共流路连接，与供给侧单独流路的连接部分连接，所述供给侧单独流路与液体中最远的上游侧的供给侧公共流路连接 循环方向和下游端部连接到排出侧公共流路，并且在供给侧公共流路和排出侧公共流路之间循环液体; 和第四打开/关闭机构。

公开(公告)号：US20110080456A1

公开(公告)日：2011-04-07

申请号：US12896999

申请日：2010-10-04

申请人： Hiroshi SHIBATA ,  Tetsuzo Kadomatsu ,  Masaki Kataoka ,  Atsushi Murakami

发明人： Hiroshi SHIBATA ,  Tetsuzo Kadomatsu ,  Masaki Kataoka ,  Atsushi Murakami

IPC分类号： B41J2/19

CPC分类号： B41J2/18 ,  B41J2/14233 ,  B41J2/155 ,  B41J2/19 ,  B41J2002/14459 ,  B41J2202/07 ,  B41J2202/12 ,  B41J2202/20

摘要： The inkjet recording apparatus includes: a supply manifold having an inlet port to which a first main flow channel is connected, the liquid supplied from a tank through the first main flow channel being stored in the supply manifold, the supply manifold being connected to supply ports of head modules; a collection manifold having an outlet port to which a second main flow channel is connected, the liquid to be collected to the tank through the second main flow channel being stored in the collection manifold, the collection manifold being connected to discharge ports of the head modules; and a first bypass flow channel which connects the supply manifold to the collection manifold, wherein an end of the first bypass flow channel is connected to an upper side of an end of the supply manifold on a side opposite to a side where the inlet port is arranged.

摘要翻译： 喷墨记录装置包括：具有连接有第一主流路的入口的供给歧管，从储罐经由第一主流路供给的液体被储存在供给歧管中，供给歧管与供给口 头模块; 收集歧管，具有连接有第二主流道的出口，通过第二主流道收集到储罐中的液体被储存在收集歧管中，收集歧管连接到头模块的排放口 ; 以及将所述供给歧管连接到所述收集歧管的第一旁通流动通道，其中所述第一旁通流动通道的端部在所述供给歧管的端部的与所述入口端口的一侧相反的一侧的上侧连接 安排。

公开(公告)号：US08529039B2

公开(公告)日：2013-09-10

申请号：US12896999

申请日：2010-10-04

申请人： Hiroshi Shibata ,  Tetsuzo Kadomatsu ,  Masaki Kataoka ,  Atsushi Murakami

发明人： Hiroshi Shibata ,  Tetsuzo Kadomatsu ,  Masaki Kataoka ,  Atsushi Murakami

IPC分类号： B41J2/18 ,  B41J2/19 ,  B41J2/155

CPC分类号： B41J2/18 ,  B41J2/14233 ,  B41J2/155 ,  B41J2/19 ,  B41J2002/14459 ,  B41J2202/07 ,  B41J2202/12 ,  B41J2202/20

摘要： The inkjet recording apparatus includes: a supply manifold having an inlet port to which a first main flow channel is connected, the liquid supplied from a tank through the first main flow channel being stored in the supply manifold, the supply manifold being connected to supply ports of head modules; a collection manifold having an outlet port to which a second main flow channel is connected, the liquid to be collected to the tank through the second main flow channel being stored in the collection manifold, the collection manifold being connected to discharge ports of the head modules; and a first bypass flow channel which connects the supply manifold to the collection manifold, wherein an end of the first bypass flow channel is connected to an upper side of an end of the supply manifold on a side opposite to a side where the inlet port is arranged.

摘要翻译： 喷墨记录装置包括：具有连接有第一主流路的入口的供给歧管，从储罐经由第一主流路供给的液体被储存在供给歧管中，供给歧管与供给口 头模块; 收集歧管，具有连接有第二主流道的出口，通过第二主流道收集到储罐中的液体被储存在收集歧管中，收集歧管连接到头模块的排放口 ; 以及将所述供给歧管连接到所述收集歧管的第一旁通流动通道，其中所述第一旁通流动通道的端部在所述供给歧管的端部的与所述入口端口的一侧相反的一侧的上侧连接 安排。

公开(公告)号：US20110074892A1

公开(公告)日：2011-03-31

申请号：US12725608

申请日：2010-03-17

申请人： Atsushi Murakami ,  Masaki Kataoka ,  Tetsuzo Kadomatsu ,  Hiroshi Shibata

发明人： Atsushi Murakami ,  Masaki Kataoka ,  Tetsuzo Kadomatsu ,  Hiroshi Shibata

IPC分类号： B41J2/175

CPC分类号： B41J2/1707 ,  B41J2/18

摘要： A liquid droplet ejecting apparatus including: plural liquid droplet ejecting portions; supply-side individual flow paths; discharge-side individual flow paths; a supply-side common flow path; a discharge-side common flow path; first opening/closing mechanisms; second opening/closing mechanisms; a first pressure applying portion; a second pressure applying portion; a first circulating path; a third opening/closing mechanism; a second circulating path including an upstream end portion being connected to the supply-side common flow path further downstream than a connecting portion of a supply-side individual flow path connected to the supply-side common flow path at a furthest upstream side in a liquid circulating direction and a downstream end portion being connected to the discharge-side common flow path, and circulating the liquid between the supply-side common flow path and the discharge-side common flow path; and a fourth opening/closing mechanism, is provided.

摘要翻译： 一种液滴喷射装置，包括：多个液滴喷射部; 供给侧单独流路; 排放侧单独流路; 供给侧公共流路; 排出侧公共流路; 第一次开闭机制; 第二次开闭机制; 第一压力施加部分; 第二压力施加部分; 第一循环路径; 第三个开闭机构; 第二循环路径，其包括上游端部，其与供给侧公共流路连接，与供给侧单独流路的连接部分连接，所述供给侧单独流路与液体中最远的上游侧的供给侧公共流路连接 循环方向和下游端部连接到排出侧公共流路，并且在供给侧公共流路和排出侧公共流路之间循环液体; 和第四打开/关闭机构。

公开(公告)号：US08128212B2

公开(公告)日：2012-03-06

申请号：US12252612

申请日：2008-10-16

申请人： Masahito Katada ,  Atsushi Murakami

发明人： Masahito Katada ,  Atsushi Murakami

IPC分类号： B41J2/18

CPC分类号： B41J2/175 ,  B41J2/17513 ,  B41J2/17553

摘要： An inkjet recording apparatus has: a pressure control device which controls a liquid movement device in accordance with determination results of a first pressure determination device and a second pressure determination device in such a manner that interiors of a first liquid chamber and a second liquid chamber respectively assume prescribed pressures, wherein the pressure control device controls the liquid movement device so as to adjust the internal pressures of the first liquid chamber and the second liquid chamber in such a manner that a prescribed pressure differential between the internal pressures of the first liquid chamber and the second liquid chamber is produced and a prescribed back pressure is applied to the liquid inside a plurality of nozzles of a recording head.

摘要翻译： 喷墨记录装置具有：压力控制装置，其按照第一压力确定装置和第二压力确定装置的确定结果，分别以第一液体室和第二液体室的内部的方式控制液体移动装置 承担规定的压力，其中压力控制装置控制液体移动装置，以便调节第一液体室和第二液体室的内部压力，使得第一液体室的内部压力和 产生第二液体室，并且对记录头的多个喷嘴内的液体施加规定的背压。