公开(公告)号：US08602512B2

公开(公告)日：2013-12-10

申请号：US13194025

申请日：2011-07-29

申请人： Koji Furukawa ,  Jun Isozaki ,  Masaki Kataoka

发明人： Koji Furukawa ,  Jun Isozaki ,  Masaki Kataoka

IPC分类号： B41J29/38

CPC分类号： B41J2/175 ,  B41J2/17596 ,  B41J11/002 ,  B41J29/38 ,  Y10T137/0396 ,  Y10T137/8158

摘要： A liquid supplying apparatus includes: a first flow channel configured to be switchable between a state of communication with a liquid supply object and a state of noncommunication with the liquid supply object; a first pressure applying device which applies pressure to liquid in the first flow channel; a first pressure absorbing device which absorbs a pressure fluctuation of the liquid in the first flow channel; a first measuring device which measures a pressure increase value in the first flow channel when the first pressure applying device is operated under a standard operating condition in which pressure in the first flow channel varies relatively moderately in proportion to a liquid feed amount to the first flow channel in the state of noncommunication where the liquid supply object and the first flow channel are not communicated with each other; a comparing device which compares the pressure increase value measured by the first measuring device with a predetermined pressure increase target value; and a pressure controlling device which controls the first pressure applying device according to a comparison result of the comparing device so as to correct the pressure applied into the first flow channel.

摘要翻译： 液体供给装置包括：第一流路，被配置为可在与液体供给对象的通信状态与与液体供给对象的非通信状态之间切换; 第一压力施加装置，其对第一流路中的液体施加压力; 第一压力吸收装置，其吸收第一流路中的液体的压力波动; 第一测量装置，当第一压力施加装置在第一流动通道内的压力与第一流动的液体供给量成比例地相对适中地变化的标准操作条件下操作时，测量第一流动通道中的压力增加值 通道，其中液体供应对象和第一流动通道彼此不连通的非通信状态; 比较装置，其将由所述第一测量装置测量的压力增加值与预定的压力增加目标值进行比较; 以及压力控制装置，其根据比较装置的比较结果来控制第一压力施加装置，以便校正施加到第一流动通道中的压力。

公开(公告)号：US08567895B2

公开(公告)日：2013-10-29

申请号：US13025806

申请日：2011-02-11

申请人： Koji Furukawa ,  Jun Isozaki ,  Masaki Kataoka

发明人： Koji Furukawa ,  Jun Isozaki ,  Masaki Kataoka

IPC分类号： B41J29/393 ,  B41J2/175

CPC分类号： B41J2/175

摘要： An abnormality judgment apparatus of a liquid supply system which supplies liquid from a liquid tank to a liquid ejection head via a liquid flow channel, includes: a pressure change application device which applies a pressure change to the liquid flow channel; first and second pressure measurement devices which measure a pressure in the liquid flow channel; and an abnormality judgment device which performs abnormality judgment and identification of an abnormal location in the liquid supply system, according to measurement values measured by the first and second pressure measurement devices before and after the pressure change is applied by the pressure change application device.

摘要翻译： 一种液体供应系统的异常判断装置，该液体供应系统通过液体流道将液体从液体罐供应到液体喷射头，包括：向液体流动通道施加压力变化的压力变化施加装置; 第一和第二压力测量装置，其测量液体流动通道中的压力; 以及异常判定装置，其根据由压力变化施加装置施加压力变化之前和之后由第一和第二压力测量装置测量的测量值，进行液体供应系统中异常位置的异常判断和识别。

公开(公告)号：US20110316904A1

公开(公告)日：2011-12-29

申请号：US12916816

申请日：2010-11-01

申请人： Jun Isozaki ,  Masaki Kataoka ,  Koji Furukawa ,  Hiroshi Shibata

发明人： Jun Isozaki ,  Masaki Kataoka ,  Koji Furukawa ,  Hiroshi Shibata

IPC分类号： B41J29/38

CPC分类号： B41J2/175 ,  B41J2/17596 ,  B41J29/38

摘要： There is provided a liquid droplet circulation control apparatus including: a first circulation controller that sets a first circulation mode in which liquid is circulated with pressure control by driving a supply side pressure generator and a return side pressure generator, the supply side pressure generator supplying the liquid to the liquid droplet ejector and the return side pressure generator returning the liquid from the liquid droplet ejector; a second circulation controller that sets a second circulation mode in which the liquid is circulated by driving the supply side pressure generator and/or the return side pressure generator, such that the liquid is made to bypass at least the liquid droplet ejector; a selector that selects one or other circulation modes; and a setting unit that sets a circulation path of the liquid based on the selected circulation mode.

摘要翻译： 提供了一种液滴循环控制装置，包括：第一循环控制器，其通过驱动供给侧压力发生器和回流侧压力发生器来设定通过压力控制循环的液体的第一循环模式，供给侧压力发生器供给 液体到液滴喷射器，并且返回侧压力发生器从液滴喷射器返回液体; 第二循环控制器，其设置通过驱动供给侧压力发生器和/或返回侧压力发生器使液体循环的第二循环模式，使得液体至少使液滴排出器旁路; 选择一种或其他循环模式的选择器; 以及设定单元，其基于所选择的循环模式设定液体的循环路径。

公开(公告)号：US20110205265A1

公开(公告)日：2011-08-25

申请号：US13025806

申请日：2011-02-11

申请人： Koji FURUKAWA ,  Jun Isozaki ,  Masaki Kataoka

发明人： Koji FURUKAWA ,  Jun Isozaki ,  Masaki Kataoka

IPC分类号： B41J29/38

CPC分类号： B41J2/175

摘要： An abnormality judgment apparatus of a liquid supply system which supplies liquid from a liquid tank to a liquid ejection head via a liquid flow channel, includes: a pressure change application device which applies a pressure change to the liquid flow channel; first and second pressure measurement devices which measure a pressure in the liquid flow channel; and an abnormality judgment device which performs abnormality judgment and identification of an abnormal location in the liquid supply system, according to measurement values measured by the first and second pressure measurement devices before and after the pressure change is applied by the pressure change application device.

摘要翻译： 一种液体供应系统的异常判断装置，该液体供应系统通过液体流道将液体从液体罐供应到液体喷射头，包括：向液体流动通道施加压力变化的压力变化施加装置; 第一和第二压力测量装置，其测量液体流动通道中的压力; 以及异常判定装置，其根据由压力变化施加装置施加压力变化之前和之后由第一和第二压力测量装置测量的测量值，进行液体供应系统中异常位置的异常判断和识别。

公开(公告)号：US08506029B2

公开(公告)日：2013-08-13

申请号：US12916816

申请日：2010-11-01

申请人： Jun Isozaki ,  Masaki Kataoka ,  Koji Furukawa ,  Hiroshi Shibata

发明人： Jun Isozaki ,  Masaki Kataoka ,  Koji Furukawa ,  Hiroshi Shibata

IPC分类号： B41J29/38

CPC分类号： B41J2/175 ,  B41J2/17596 ,  B41J29/38

摘要： There is provided a liquid droplet circulation control apparatus including: a first circulation controller that sets a first circulation mode in which liquid is circulated with pressure control by driving a supply side pressure generator and a return side pressure generator, the supply side pressure generator supplying the liquid to the liquid droplet ejector and the return side pressure generator returning the liquid from the liquid droplet ejector; a second circulation controller that sets a second circulation mode in which the liquid is circulated by driving the supply side pressure generator and/or the return side pressure generator, such that the liquid is made to bypass at least the liquid droplet ejector; a selector that selects one or other circulation modes; and a setting unit that sets a circulation path of the liquid based on the selected circulation mode.

摘要翻译： 提供了一种液滴循环控制装置，包括：第一循环控制器，其通过驱动供给侧压力发生器和回流侧压力发生器来设定通过压力控制循环的液体的第一循环模式，供给侧压力发生器供给 液体到液滴喷射器，并且返回侧压力发生器从液滴喷射器返回液体; 第二循环控制器，其设置通过驱动供给侧压力发生器和/或返回侧压力发生器使液体循环的第二循环模式，使得液体至少使液滴排出器旁路; 选择一种或其他循环模式的选择器; 以及设定单元，其基于所选择的循环模式设定液体的循环路径。

公开(公告)号：US20120024395A1

公开(公告)日：2012-02-02

申请号：US13194025

申请日：2011-07-29

申请人： Koji FURUKAWA ,  Jun Isozaki ,  Masaki Kataoka

发明人： Koji FURUKAWA ,  Jun Isozaki ,  Masaki Kataoka

IPC分类号： F15D1/00

CPC分类号： B41J2/175 ,  B41J2/17596 ,  B41J11/002 ,  B41J29/38 ,  Y10T137/0396 ,  Y10T137/8158

摘要： A liquid supplying apparatus includes: a first flow channel configured to be switchable between a state of communication with a liquid supply object and a state of noncommunication with the liquid supply object; a first pressure applying device which applies pressure to liquid in the first flow channel; a first pressure absorbing device which absorbs a pressure fluctuation of the liquid in the first flow channel; a first measuring device which measures a pressure increase value in the first flow channel when the first pressure applying device is operated under a standard operating condition in which pressure in the first flow channel varies relatively moderately in proportion to a liquid feed amount to the first flow channel in the state of noncommunication where the liquid supply object and the first flow channel are not communicated with each other; a comparing device which compares the pressure increase value measured by the first measuring device with a predetermined pressure increase target value; and a pressure controlling device which controls the first pressure applying device according to a comparison result of the comparing device so as to correct the pressure applied into the first flow channel.

摘要翻译： 液体供给装置包括：第一流路，被配置为可在与液体供给对象的通信状态与与液体供给对象的非通信状态之间切换; 第一压力施加装置，其对第一流路中的液体施加压力; 第一压力吸收装置，其吸收第一流路中的液体的压力波动; 第一测量装置，当第一压力施加装置在第一流动通道内的压力与第一流动的液体供给量成比例地相对适中地变化的标准操作条件下操作时，测量第一流动通道中的压力增加值 通道，其中液体供应对象和第一流动通道彼此不连通的非通信状态; 比较装置，其将由所述第一测量装置测量的压力增加值与预定的压力增加目标值进行比较; 以及压力控制装置，其根据比较装置的比较结果来控制第一压力施加装置，以便校正施加到第一流动通道中的压力。

公开(公告)号：US08403439B2

公开(公告)日：2013-03-26

申请号：US13112190

申请日：2011-05-20

申请人： Kumiko Tanaka ,  Jun Isozaki ,  Masaki Kataoka

发明人： Kumiko Tanaka ,  Jun Isozaki ,  Masaki Kataoka

IPC分类号： B41J29/38

CPC分类号： B41J2/175 ,  B41J2/17596 ,  B41J2/19 ,  B41J29/38

摘要： A flow rate control device includes a pressure generating unit that delivers a liquid to a liquid reservoir unit including an ejecting port; a flow rate control unit that controls a flow rate of the pressure generating unit by performing a first flow rate control and a second flow rate control, the first flow rate control being to raise a pressure inside the liquid reservoir unit up to a target pressure at a first pressure change rate which is sufficiently high to float air bubbles adhering to a wall surface inside the liquid reservoir unit, the second flow rate control being to maintain the target pressure or to lower the pressure inside the liquid reservoir unit from the target pressure at a second pressure change rate lower than the first pressure change rate in order to eject air bubbles floating inside the liquid reservoir unit from the ejecting port.

摘要翻译： 流量控制装置包括将液体输送到包括排出口的储液单元的压力产生单元; 流量控制单元，其通过执行第一流量控制和第二流量控制来控制所述压力发生单元的流量，所述第一流量控制是将所述储液单元内的压力升高至目标压力 第一压力变化率足够高以使附着在储液器单元内的壁面的气泡浮起，第二流量控制用于保持目标压力或者将液体储存器内部的压力从目标压力降低 第二压力变化率低于第一压力变化率，以便从排出口排出浮在储液器单元内的气泡。

公开(公告)号：US08585190B2

公开(公告)日：2013-11-19

申请号：US13039542

申请日：2011-03-03

申请人： Masashi Hiratsuka ,  Masaki Kataoka ,  Jun Isozaki ,  Hirotake Sasaki

发明人： Masashi Hiratsuka ,  Masaki Kataoka ,  Jun Isozaki ,  Hirotake Sasaki

IPC分类号： B41J2/175 ,  B41J29/393

CPC分类号： B41J2/175 ,  B41J2/17596 ,  B41J29/38

摘要： A liquid supply controller includes a liquid circulation controller that includes supply and recovery units of a liquid droplet discharge unit, and that circulates liquid according to a differential pressure between the supply unit and the recovery unit, a back pressure setting unit that sets a back pressure that is a discharge pressure based on supply and recovery pressures set by the liquid circulation controller, a circulation amount obtaining unit that obtains a flow rate of the liquid circulated; a judging unit that judges whether or not the obtained flow rate is a proper value, and a differential pressure adjusting unit that adjusts the differential pressure while maintaining the back pressure within an allowable range when it is judged that the flow rate is not the proper value.

摘要翻译： 液体供给控制器包括：液体循环控制器，其包括液滴喷射单元的供应和回收单元，并且根据供给单元和回收单元之间的压差循环液体;背压设定单元，其设定背压 即基于由液体循环控制器设定的供给和恢复压力的排出压力，循环量获得单元，其获得流通的液体的流量; 判定所获得的流量是否为适当值的判断单元，以及当判断流量不是适当值时将压力保持在允许范围内的差压调节单元 。

公开(公告)号：US08556395B2

公开(公告)日：2013-10-15

申请号：US13298573

申请日：2011-11-17

申请人： Masashi Hiratsuka ,  Masaki Kataoka ,  Jun Isozaki

发明人： Masashi Hiratsuka ,  Masaki Kataoka ,  Jun Isozaki

IPC分类号： B41J2/175 ,  B41J2/18

CPC分类号： B41J2/175 ,  B41J2/16526 ,  B41J2/18

摘要： A liquid supply mechanism includes: a supply pathway that supplies liquid to a plurality of ejection sections each ejecting the liquid from nozzles; a branching path that is branched off from the supply pathway and through which the liquid circulates; a buffer unit that is disposed in the branching path and that lessens pressure fluctuations occurred in the liquid in the branching path; and a changing unit that changes a pathway to the buffer unit so that the changing unit shuts the pathway to the buffer unit during maintenance for discharging the liquid from the nozzles of the ejection sections. The liquid discharged during the maintenance is greater in quantity than the liquid discharged during normal operation.

摘要翻译： 液体供给机构包括：向多个喷射部供给液体的供给路径，各喷射部从喷嘴排出液体; 从供给路径分支并且液体通过该分支路径循环的分支路径; 缓冲单元，其布置在所述分支路径中，并且减轻所述分支路径中的液体中的压力波动; 以及改变单元，其改变到缓冲单元的路径，使得改变单元在维护期间关闭到缓冲单元的路径，以从喷射区域的喷嘴排出液体。 在维护过程中排出的液体的数量大于正常运行时排出的液体。

公开(公告)号：US20120033003A1

公开(公告)日：2012-02-09

申请号：US13112190

申请日：2011-05-20

申请人： Kumiko Tanaka ,  Jun Isozaki ,  Masaki Kataoka

发明人： Kumiko Tanaka ,  Jun Isozaki ,  Masaki Kataoka

IPC分类号： B41J29/38

CPC分类号： B41J2/175 ,  B41J2/17596 ,  B41J2/19 ,  B41J29/38

摘要： A flow rate control device includes a pressure generating unit that delivers a liquid to a liquid reservoir unit including an ejecting port; a flow rate control unit that controls a flow rate of the pressure generating unit by performing a first flow rate control and a second flow rate control, the first flow rate control being to raise a pressure inside the liquid reservoir unit up to a target pressure at a first pressure change rate which is sufficiently high to float air bubbles adhering to a wall surface inside the liquid reservoir unit, the second flow rate control being to maintain the target pressure or to lower the pressure inside the liquid reservoir unit from the target pressure at a second pressure change rate lower than the first pressure change rate in order to eject air bubbles floating inside the liquid reservoir unit from the ejecting port

摘要翻译： 流量控制装置包括将液体输送到包括排出口的储液单元的压力产生单元; 流量控制单元，其通过执行第一流量控制和第二流量控制来控制所述压力发生单元的流量，所述第一流量控制是将所述储液单元内的压力升高至目标压力 第一压力变化率足够高以使附着在储液器单元内的壁面的气泡浮起，第二流量控制用于保持目标压力或者将液体储存器内部的压力从目标压力降低 第二压力变化率低于第一压力变化率，以便从排出口排出浮在储液器单元内的气泡