公开(公告)号：US20100079522A1

公开(公告)日：2010-04-01

申请号：US12559001

申请日：2009-09-14

申请人： Takeshi SETO ,  Kazuo KAWASUMI ,  Yasuyoshi HAMA ,  Hideki KOJIMA ,  Yasuhiro ONO

发明人： Takeshi SETO ,  Kazuo KAWASUMI ,  Yasuyoshi HAMA ,  Hideki KOJIMA ,  Yasuhiro ONO

IPC分类号： B41J29/38

CPC分类号： B41J2/175 ,  A61B17/3203 ,  A61B2017/00154 ,  B41J2/185

摘要： A fluid ejection device includes: a fluid chamber whose capacity is variable; an inlet flow path and an outlet flow path communicating with the fluid chamber; a capacity changing unit which changes the capacity of the fluid chamber; a fluid supplying unit which supplies fluid to the inlet flow path; a fluid ejection opening disposed at an end of the outlet flow path opposite to an end communicating with the fluid chamber; a first electrode of a predetermined polarity having a first contact portion disposed at the fluid ejection opening or a component in the vicinity of the fluid ejection opening; a second electrode having a polarity different from the predetermined polarity and having a second conductive contact portion; a conduction judging unit which judges whether the first electrode and the second electrode are conducted; and an operation control unit which controls operation of the capacity changing unit based on judgment result of the conduction judging unit.

摘要翻译： 流体喷射装置包括：容量可变的流体室; 入口流动路径和与流体室连通的出口流动路径; 容量改变单元，其改变流体室的容量; 流体供给单元，其向流入口流路供给流体; 流体喷射口设置在与流体室连通的端部相对的出口流动路径的端部处; 具有预定极性的第一电极，具有设置在流体喷射口处的第一接触部分或流体喷射口附近的部件; 具有与所述预定极性不同的极性并具有第二导电接触部分的第二电极; 导通判断单元，判断第一电极和第二电极是否导通; 以及操作控制单元，其基于导通判断单元的判断结果来控制容量变更单元的动作。

公开(公告)号：US20100082054A1

公开(公告)日：2010-04-01

申请号：US12568161

申请日：2009-09-28

申请人： Takeshi SETO ,  Kazuo KAWASUMI ,  Yasuyoshi HAMA ,  Hideki KOJIMA ,  Yasuhiro ONO

发明人： Takeshi SETO ,  Kazuo KAWASUMI ,  Yasuyoshi HAMA ,  Hideki KOJIMA ,  Yasuhiro ONO

IPC分类号： A61B17/32

CPC分类号： A61B17/3203

摘要： A fluid ejection device includes: a fluid chamber in which fluid flows; a volume varying unit having a pressure generating element that varies the volume of the fluid chamber on the basis of a driving signal; an inlet fluid channel and an outlet fluid channel intercommunicating with the fluid chamber; a fluid channel pipe having a connection fluid channel that intercommunicates with the outlet fluid channel at a first end thereof and intercommunicates with a fluid ejection port at a second end thereof; a fluid supply unit that supplies fluid to the inlet fluid channel; and a controller that applies a driving signal to the pressure generating element and controls variation of the volume of the fluid chamber by the volume varying unit, wherein the controller applies a driving signal to the pressure generating element so that a maximum ejection velocity of fluid in liquid is larger than a maximum ejection velocity of fluid in the air.

摘要翻译： 流体喷射装置包括：流体流动的流体室; 体积变化单元，具有根据驱动信号改变流体室的体积的压力产生元件; 入口流体通道和与流体室相通的出口流体通道; 流体通道管，其具有连接流体通道，其在其第一端处与出口流体通道相互连通，并在其第二端处与流体排出口相通; 流体供应单元，其将流体供应到入口流体通道; 以及控制器，其向所述压力产生元件施加驱动信号并且通过所述体积变化单元控制所述流体室的体积的变化，其中所述控制器向所述压力产生元件施加驱动信号，使得流体的最大喷射速度 液体大于空气中流体的最大喷射速度。

公开(公告)号：US20100078495A1

公开(公告)日：2010-04-01

申请号：US12568156

申请日：2009-09-28

申请人： Takeshi SETO ,  Kazuo KAWASUMI ,  Yasuyoshi HAMA ,  Hideki KOJIMA ,  Yasuhiro ONO

发明人： Takeshi SETO ,  Kazuo KAWASUMI ,  Yasuyoshi HAMA ,  Hideki KOJIMA ,  Yasuhiro ONO

IPC分类号： A01G25/09

CPC分类号： A61B17/3203

摘要： A fluid ejection device includes: a fluid chamber whose capacity is variable; an inlet flow path and an outlet flow path communicating with the fluid chamber; a capacity changing unit which changes the capacity of the fluid chamber; a fluid supplying unit which supplies fluid to the inlet flow path; a fluid ejection opening disposed at an end of the outlet flow path opposite to an end communicating with the fluid chamber; a vibrating unit which vibrates a component in the vicinity of the fluid ejection opening; a vibration detecting unit which detects the level of vibration of the component in the vicinity of the fluid ejection opening; and an operation control unit which controls operation of the capacity changing unit based on the level of the vibration detected by the vibration detecting unit.

摘要翻译： 流体喷射装置包括：容量可变的流体室; 入口流动路径和与流体室连通的出口流动路径; 容量改变单元，其改变流体室的容量; 流体供给单元，其向流入口流路供给流体; 流体喷射口设置在与流体室连通的端部相对的出口流动路径的端部处; 振动单元，其使流体喷射口附近的部件振动; 振动检测单元，其检测流体喷射口附近的部件的振动水平; 以及操作控制单元，其基于由所述振动检测单元检测到的振动的水平来控制所述容量改变单元的操作。

公开(公告)号：US20100082053A1

公开(公告)日：2010-04-01

申请号：US12559046

申请日：2009-09-14

申请人： Yasuyoshi HAMA ,  Kinya MATSUZAWA ,  Takeshi SETO ,  Hideki KOJIMA ,  Yasuhiro ONO

发明人： Yasuyoshi HAMA ,  Kinya MATSUZAWA ,  Takeshi SETO ,  Hideki KOJIMA ,  Yasuhiro ONO

IPC分类号： A61B17/3203

CPC分类号： A61B17/3203 ,  A61B17/32037 ,  A61B2017/00154

摘要： A fluid ejection device includes: a fluid chamber into which fluid flows; a volume varying unit that varies the volume of the fluid chamber; an inlet fluid channel and an outlet fluid channel intercommunicating with the fluid chamber; a fluid ejection port that ejects fluid flowing out from the outlet fluid channel; a fluid supply unit that supplies fluid into the inlet fluid channel; a controller that controls the variation of the volume of the fluid chamber by the volume varying unit; and a color detector that detects color of a fluid ejection target area facing the fluid ejection port, wherein the controller controls the variation of the volume of the fluid chamber by the volume varying unit in accordance with the color detected by the color detecting unit.

摘要翻译： 流体喷射装置包括：流体流入其中的流体室; 体积变化单元，其改变流体室的体积; 入口流体通道和与流体室相通的出口流体通道; 流体喷射口，喷射从出口流体通道流出的流体; 流体供应单元，其将流体供应到入口流体通道中; 控制器，其通过所述体积变化单元来控制所述流体室的体积的变化; 以及颜色检测器，其检测面向流体喷射口的流体喷射目标区域的颜色，其中，所述控制器根据由所述颜色检测单元检测到的颜色来控制所述流体室的体积变化单元的体积的变化。

公开(公告)号：US20100054960A1

公开(公告)日：2010-03-04

申请号：US12548019

申请日：2009-08-26

申请人： Takeshi SETO ,  Kazuo KAWASUMI ,  Hideki KOJIMA ,  Yasuhiro ONO

发明人： Takeshi SETO ,  Kazuo KAWASUMI ,  Hideki KOJIMA ,  Yasuhiro ONO

IPC分类号： F04B43/04

CPC分类号： A61B17/3203 ,  A61B2017/00154

摘要： A fluid ejecting apparatus having a fluid chamber, an inlet flow channel, and a nozzle configured to eject fluid supplied from the inlet flow channel to the fluid chamber from the nozzle in a pulsed manner by changing the volume of the fluid chamber includes: a diaphragm; a wall surface provided so as to oppose the diaphragm; a spacer being provided between the diaphragm and the wall surface and having a cylindrical through hole; a piezoelectric element configured to displace the diaphragm; and a connecting flow channel tube communicated with the fluid chamber, wherein the nozzle is provided at an end of the connecting flow channel tube opposite to the fluid chamber, the fluid chamber is defined by the diaphragm, the wall surface, and an inner surface of the through hole of the spacer, and the inlet flow channel is defined by a groove provided on the wall surface and the spacer and is communicated with the fluid chamber.

摘要翻译： 一种流体喷射装置，具有流体室，入口流动通道和喷嘴，其构造成通过改变流体室的体积以脉冲方式将从入口流动通道供应的流体从喷嘴喷射到流体室，包括：隔膜 ; 设置为与隔膜相对的壁面; 间隔件设置在隔膜和壁表面之间并具有圆柱形通孔; 压电元件，其构造成使所述隔膜移位; 以及与所述流体室连通的连接流路管，其特征在于，所述喷嘴设置在与所述流体室相对的所述连通流路管的端部，所述流体室由所述隔膜，所述壁面和 间隔件的通孔和入口流动通道由设置在壁表面和间隔件上的凹槽限定，并与流体室连通。

公开(公告)号：US20110125086A1

公开(公告)日：2011-05-26

申请号：US13019575

申请日：2011-02-02

申请人： Takeshi SETO ,  Kazuo KAWASUMI ,  Kazuyoshi TAKAYAMA ,  Seyed Hamid Reza HOSSEINI

发明人： Takeshi SETO ,  Kazuo KAWASUMI ,  Kazuyoshi TAKAYAMA ,  Seyed Hamid Reza HOSSEINI

IPC分类号： A61M37/00

CPC分类号： B05B1/086 ,  A61B10/02 ,  A61B17/3203 ,  A61B2017/00154 ,  B05B17/0653 ,  B26F3/004 ,  B41J2/17596 ,  B41J2/19 ,  B65D83/00

摘要： A fluid injection device includes: a pulse generation section that includes a fluid chamber whose volume is changeable, and an inlet flow passage and an outlet flow passage that are connected to the fluid chamber; a first connection flow passage connected to the outlet flow passage, having an end portion; a second connection flow passage connected to the inlet flow passage; a fluid injection opening formed at the end portion of the first connection flow passage, having a diameter smaller than the diameter of the outlet flow passage; a connection flow passage tube including the first connection flow passage and having rigidity adequate to transmit pulses of fluid flowing from the fluid chamber to the fluid injection opening; and a pressure generation section that supplies fluid to the inlet flow passage.

摘要翻译： 流体注入装置包括：脉冲产生部，其包括容积可变的流体室，和与流体室连接的入口流路和出口流路; 连接到所述出口流动通道的第一连接流动通道，具有端部; 连接到入口流动通道的第二连接流动通道; 流体喷射口，其形成在所述第一连接流路的端部，直径小于所述出口流路的直径; 连接流路管，包括所述第一连接流动通道，并具有足以将从所述流体室流动的流体脉冲传递到所述流体注入口的刚度; 以及向所述入口流路供给流体的压力产生部。

公开(公告)号：US20090270799A1

公开(公告)日：2009-10-29

申请号：US12422564

申请日：2009-04-13

申请人： Takeshi SETO ,  Kazuo KAWASUMI

发明人： Takeshi SETO ,  Kazuo KAWASUMI

IPC分类号： A61M5/00

CPC分类号： A61B17/32037 ,  A61B2017/00154

摘要： A fluid injection device includes: a fluid injection unit having; a fluid chamber body in which a fixed face, a diaphragm facing the fixed face, a fluid chamber having a space surrounded by a side wall continuing the fixed face and the diaphragm, and an inlet channel tube and an outlet channel tube communicating with the fluid chamber are integrally molded; an actuator in close contact with the diaphragm; and a lid body holding the fluid chamber body, wherein inner surfaces of respective connecting parts of the fixed face, the side wall, and the diaphragm are rounded in molding, and a volume of the fluid chamber is reduced by the diaphragm, and a pulsating fluid is injected from a nozzle opening provided in an end direction of the outlet channel tube.

摘要翻译： 流体注射装置包括：流体注射单元，其具有： 流体室主体，其中固定面，面向固定面的隔膜，具有由连续固定面和隔膜的侧壁包围的空间的流体室，以及与流体连通的入口通道管和出口通道管 腔室一体成型; 与隔膜紧密接触的致动器; 以及保持流体室主体的盖体，其中固定面，侧壁和隔膜的各连接部分的内表面成型为圆形，并且流体室的体积被隔膜减小，并且脉动 流体从设置在出口通道管的端部方向上的喷嘴开口喷射。

公开(公告)号：US20090182261A1

公开(公告)日：2009-07-16

申请号：US12349947

申请日：2009-01-07

申请人： Takeshi SETO ,  Kazuo KAWASUMI

发明人： Takeshi SETO ,  Kazuo KAWASUMI

IPC分类号： A61B17/3203

CPC分类号： A61B17/3203 ,  A61B2017/00154 ,  A61B2017/00402 ,  F04B43/046

摘要： A fluid ejecting apparatus includes: a fluid ejecting unit that ejects fluid from a fluid ejecting opening in pulses by reducing the capacity of a fluid chamber by a diaphragm; an inlet channel that supplies the fluid to the fluid chamber; and a check valve formed on the diaphragm and disposed between the inlet channel and the fluid chamber, in which the check valve closes the inlet channel when the capacity of the fluid chamber is reduced, and the check valve is bent when the capacity of the fluid chamber is expanded from the reduced state to open the inlet channel.

摘要翻译： 一种流体喷射装置，包括：流体喷射单元，其以脉冲方式从流体喷射口喷射流体，通过减小膜片的流体室的容量; 入口通道，其将流体供应到流体室; 以及止回阀，其形成在所述隔膜上并且设置在所述入口通道和所述流体室之间，当所述流体室的容积减小时，所述止回阀关闭所述入口通道，并且当所述流体的容积 室从减压状态膨胀以打开入口通道。

公开(公告)号：US20100096027A1

公开(公告)日：2010-04-22

申请号：US12623637

申请日：2009-11-23

申请人： Takeshi SETO ,  Kunihiko TAKAGI ,  Kazuo Kawasumi

发明人： Takeshi SETO ,  Kunihiko TAKAGI ,  Kazuo Kawasumi

IPC分类号： F16K15/03

CPC分类号： F04B53/1037 ,  F04B43/04 ,  F04B53/1047 ,  F16K15/147 ,  F16K15/16 ,  Y10T137/7504 ,  Y10T137/7856 ,  Y10T137/7891 ,  Y10T137/7898

摘要： A check valve includes a tubular valve seat frame, a valve seat that is fixedly secured to the inside of the valve seat frame and has a communication hole through which a working fluid flows, and a valve body that is on the working fluid outflow side of the valve seat for opening and closing the valve seat. The valve seat frame, the valve seat, and the valve body are put into one unit so that the check valve has a simple structure and a good assembly property, and can be manufactured at low cost. The check valve is included, whereby a small, durable, and high-performance pump can be provided.

摘要翻译： 止回阀包括管状阀座框架，阀座固定地固定在阀座框架的内部，并具有工作流体流过的连通孔，以及位于工作流体流出侧的阀体 用于打开和关闭阀座的阀座。 阀座框架，阀座和阀体被放入一个单元中，使得止回阀具有简单的结构和良好的组装性能，并且可以以低成本制造。 包括止回阀，从而可以提供小型，耐用和高性能的泵。

公开(公告)号：US20100111708A1

公开(公告)日：2010-05-06

申请号：US12606470

申请日：2009-10-27

申请人： Takeshi SETO ,  Kazuo KAWASUMI ,  Kunio TABATA ,  Shinichi MIYAZAKI

发明人： Takeshi SETO ,  Kazuo KAWASUMI ,  Kunio TABATA ,  Shinichi MIYAZAKI

IPC分类号： F04B49/06

CPC分类号： F04B43/046 ,  A61B17/3203

摘要： A fluid ejection system includes: a pulsation generation section which, including a fluid chamber, a diaphragm which changes a volume of the fluid chamber, and a piezoelectric element which drives the diaphragm, pulsatively ejects a fluid from a nozzle; and a control apparatus including a pressure generation section which supplies the fluid to the fluid chamber at a predetermined pressure, a drive waveform generation section which inputs a drive waveform into the piezoelectric element, and a load detection section which detects a load of the pressure generation section, wherein in the event that the load detection section has detected a load abnormality of the pressure generation section, a fluid discharge pressure amplitude of the pulsation generation section or a fluid supply pressure of the pressure generation section is made higher than at a normal drive time.

摘要翻译： 流体喷射系统包括：包括流体室的脉动产生部分，改变流体室的体积的膜片和驱动膜片的压电元件，从喷嘴脉动地喷出流体; 以及控制装置，包括将流体以预定压力供给流体室的压力产生部，将驱动波形输入到压电元件的驱动波形生成部，以及检测压力产生负荷的负载检测部 其特征在于，在所述负荷检测部检测到所述压力产生部的负荷异常的情况下，使所述脉动发生部的流体排出压力振幅或所述压力产生部的流体供给压力高于正常驱动 时间。