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公开(公告)号：US07914109B2
公开(公告)日：2011-03-29
申请号：US11944658
申请日：2007-11-26
申请人： Yonglin Xie , Michael J. Piatt , Joseph Jech, Jr. , Qing Yang
发明人： Yonglin Xie , Michael J. Piatt , Joseph Jech, Jr. , Qing Yang
CPC分类号： B41J2/04 , B41J2/09 , B41J2202/12
摘要： A liquid dispenser includes a liquid supply channel, a liquid supply adapted to feed a stream of liquid through the supply channel, a liquid return channel adapted to receive liquid from the supply channel, a liquid dispensing outlet opening, and a diverter member selectively movable into the supply channel to divert droplets to the dispensing outlet opening. The liquid flows from the liquid supply channel to the liquid return channel by Coanda effect when not diverted. The motion of the diverter member is substantially orthogonal to and opposes the direction of liquid flow, so that energy associated with moving the diverter member imparts no energy to the diverted droplets. The energy associated with moving the diverter member is less than 100 nJ per pL droplet volume. In some embodiments, the energy associated with moving the diverter member is less than 10 nJ per pL droplet volume.
摘要翻译： 液体分配器包括液体供应通道，适于通过供应通道供应液体流的液体供应源，适于从供应通道接收液体的液体返回通道，液体分配出口开口和可选择性地移动到 用于将液滴转移到分配出口的供应通道。 当不转移时，液体从液体供应通道流向液体返回通道。 分流器构件的运动基本上垂直于液体流动的方向并且与液体流动的方向相对，使得与移动分流器构件相关联的能量不向转向的液滴赋予能量。 与分流器构件移动相关联的能量小于每pL液滴体积的100nJ。 在一些实施例中，与移动分支构件相关联的能量小于每pL液滴体积的10nJ。
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32.发明申请公开(公告)号：US20100118071A1
公开(公告)日：2010-05-13
申请号：US12690954
申请日：2010-01-21
CPC分类号： B41J2/03 , B41J2002/022 , B41J2002/033 , B41J2202/12 , B41J2202/16
摘要： A continuous liquid drop emission apparatus is disclosed comprising a liquid drop emitter containing a positively pressurized liquid in flow communication with a plurality of nozzles formed in a common nozzle member for emitting a plurality of continuous streams of liquid. A jet stimulation apparatus is provided comprising a plurality of transducers corresponding to the plurality of nozzles and adapted to transfer energy to the liquid in corresponding flow communication with the plurality of nozzles sufficient to cause the break-off of the plurality of continuous streams of liquid at a plurality of predetermined break-off times into a plurality of streams of drops of predetermined volumes. Sensing apparatus is provided adapted to measure a characteristic value for each of the plurality of streams of drops of predetermined volumes; and control apparatus is adapted to provide a plurality of break-off time setting signals to the jet stimulation apparatus to cause the plurality of predetermined break-off times determined, at least, by the characteristic value of each of the plurality of streams of drops of predetermined volumes. Alternately, a sensing apparatus is used in an off-line calibration set-up and characteristic values are measured for the plurality of streams and stored in a stream memory that is included in the continuous liquid drop apparatus. The present inventions are also configured to provide a plurality of the break-off times for a plurality of liquid streams in a continuous liquid drop emission apparatus that is further adapted to inductively charge at least one drop in a each of a plurality of streams and having electric field deflection apparatus adapted to generate a Coulomb force on an inductively charged drop. Methods of operating a continuous liquid drop emission apparatus utilizing a plurality of predetermined break-off times are disclosed.
摘要翻译： 公开了一种连续的液滴发射装置，其包括液滴发射器，其包含与形成在公共喷嘴构件中的多个喷嘴流动连通的正压液体，用于发射多个连续的液体流。 提供了一种喷射刺激装置，其包括对应于多个喷嘴的多个换能器，并且适于将能量转移到与多个喷嘴相应的流动连通的液体，足以引起多个连续的液体流的断裂 将多个预定的断开时间转换成多个预定体积的液滴流。 提供感测装置，其适于测量多个预定体积的液滴流中的每一个的特征值; 并且控制装置适于向喷气刺激装置提供多个断开时间设置信号，以使得至少由多个液滴流中的每一个的特征值确定多个预定的断开时间 预定量。 或者，在离线校准设置中使用感测装置，并且对多个流测量特征值并存储在包括在连续液滴装置中的流存储器中。 本发明还被配置为在连续液滴发射装置中为多个液体流提供多个断开时间，其进一步适于对多个流中的每一个流中的至少一个液滴进行感应充电并具有 适于在感应充电的液滴上产生库仑力的电场偏转装置。 公开了利用多个预定断开时间来操作连续液滴发射装置的方法。
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33.发明授权公开(公告)号：US07673976B2
公开(公告)日：2010-03-09
申请号：US11229261
申请日：2005-09-16
IPC分类号： B41J2/07
CPC分类号： B41J2/03 , B41J2002/022 , B41J2002/033 , B41J2202/12 , B41J2202/16
摘要： A continuous liquid drop emission apparatus is disclosed comprising a liquid drop emitter containing a positively pressurized liquid in flow communication with a plurality of nozzles formed in a common nozzle member for emitting a plurality of continuous streams of liquid. A jet stimulation apparatus is provided comprising a plurality of transducers corresponding to the plurality of nozzles and adapted to transfer energy to the liquid in corresponding flow communication with the plurality of nozzles sufficient to cause the break-off of the plurality of continuous streams of liquid at a plurality of predetermined break-off times into a plurality of streams of drops of predetermined volumes. Sensing apparatus is provided adapted to measure a characteristic value for each of the plurality of streams of drops of predetermined volumes; and control apparatus is adapted to provide a plurality of break-off time setting signals to the jet stimulation apparatus to cause the plurality of predetermined break-off times determined, at least, by the characteristic value of each of the plurality of streams of drops of predetermined volumes. Alternately, a sensing apparatus is used in an off-line calibration set-up and characteristic values are measured for the plurality of streams and stored in a stream memory that is included in the continuous liquid drop apparatus. The present inventions are also configured to provide a plurality of the break-off times for a plurality of liquid streams in a continuous liquid drop emission apparatus that is further adapted to inductively charge at least one drop in a each of a plurality of streams and having electric field deflection apparatus adapted to generate a Coulomb force on an inductively charged drop. Methods of operating a continuous liquid drop emission apparatus utilizing a plurality of predetermined break-off times are disclosed.
摘要翻译： 公开了一种连续的液滴发射装置，其包括液滴发射器，其包含与形成在公共喷嘴构件中的多个喷嘴流动连通的正压液体，用于发射多个连续的液体流。 提供了一种喷射刺激装置，其包括对应于多个喷嘴的多个换能器，并且适于将能量转移到与多个喷嘴相应的流动连通的液体，足以引起多个连续的液体流的断裂 将多个预定的断开时间转换成多个预定体积的液滴流。 提供感测装置，其适于测量多个预定体积的液滴流中的每一个的特征值; 并且控制装置适于向喷气刺激装置提供多个断开时间设置信号，以使得至少由多个液滴流中的每一个的特征值确定多个预定的断开时间 预定量。 或者，在离线校准设置中使用感测装置，并且对多个流测量特征值并存储在包括在连续液滴装置中的流存储器中。 本发明还被配置为在连续液滴发射装置中为多个液体流提供多个断开时间，其进一步适于对多个流中的每一个流中的至少一个液滴进行感应充电并具有 适于在感应充电的液滴上产生库仑力的电场偏转装置。 公开了利用多个预定断开时间来操作连续液滴发射装置的方法。
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34.发明申请CONTINUOUS INKJET PRINTING SYSTEM AND METHOD FOR PRODUCING SELECTIVE DEFLECTION OF DROPLETS FORMED FROM TWO DIFFERENT BREAK OFF LENGTHS 有权连续喷墨打印系统和生产从两个不同断点长度形成的墨滴的选择性偏差的方法公开(公告)号：US20100033542A1
公开(公告)日：2010-02-11
申请号：US12187593
申请日：2008-08-07
IPC分类号： B41J2/02
摘要： A continuous inkjet system and method has a stimulation device producing a modulation in a liquid jet having a wavelength λ and causing a first liquid droplet to break off from the liquid jet and travel along a path and causing a second liquid droplet to break off from the liquid jet and travel along the path. The first liquid droplet has a first break off length and the second liquid droplet has a second break off length longer than the first break off length. The first break off length and the second break off length have a difference of at least one wavelength λ in response to stimulation pulses. A charge electrode produces a charge differential between the first liquid droplet and the second liquid droplet, and a deflection mechanism causes trajectories of the first liquid droplet and the second liquid droplet to diverge so that a trajectory of one droplet of the first and second liquid droplets causes the one droplet to be directed for collection and prevented from depositing on the surface and a trajectory of the other droplet of the first and second liquid droplets causes the other droplet to be directed for depositing on the surface. A stimulation controller identifies a transition in droplet creation between a stimulation cycle that is to produce a droplet having a second break off length and a stimulation cycle that is to produce a droplet having a first break off length and introduces a skip cycle between the stimulation cycle that is to produce the droplet having a second break off length and the stimulation cycle that is to produce the droplet having the first break off length.
摘要翻译： 连续喷墨系统和方法具有产生具有波长λ的液体射流中的调制的刺激装置，并使第一液滴从液体射流中分离并沿着路径行进，并使第二液滴从 液体喷射和沿着路径行进。 第一液滴具有第一断裂长度，并且第二液滴具有比第一断裂长度更长的第二断裂长度。 第一断开长度和第二断开长度响应于刺激脉冲具有至少一个波长λ的差。 充电电极在第一液滴和第二液滴之间产生电荷差分，并且偏转机构引起第一液滴和第二液滴的轨迹发散，使得第一和第二液滴的一个液滴的轨迹 导致一个液滴被引导用于收集并防止沉积在表面上，并且第一和第二液滴的另一个液滴的轨迹导致另一个液滴被引导以沉积在表面上。 刺激控制器识别在产生具有第二断裂长度的液滴的刺激周期和产生具有第一断裂长度的液滴的刺激周期之间的液滴产生中的转变，并且在刺激周期之间引入跳跃循环 即产生具有第二断裂长度的液滴和产生具有第一断裂长度的液滴的刺激循环。
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公开(公告)号：US20090031579A1
公开(公告)日：2009-02-05
申请号：US11831110
申请日：2007-07-31
申请人： Michael J. Piatt , Kenneth E. Hix , Daniel Gelbart
发明人： Michael J. Piatt , Kenneth E. Hix , Daniel Gelbart
IPC分类号： F26B21/06
CPC分类号： F26B13/104 , B41J11/002 , F26B3/28
摘要： A dryer operable in close proximity to and in series with an inkjet printhead comprises a heat source and an air bearing structure on one side of the predetermined path and having a pressurized air inlet and an air outlet adjacent to the drying position of the receiver medium. Air flow from the air bearing structure outlet forms an air bearing for the receiver medium. A microporous filter positioned at the outlet and being adapted to convert the air flow from the outlet to a diffuse flow, the microporous filter being formed of an inner layer of very fine screen for optimum air diffusion and an outer layer of courser woven screen to add rigidity and protection from scuffing.
摘要翻译： 可与喷墨打印头紧密连接并且与喷墨打印头串联的干衣机包括在预定路径的一侧上的热源和空气轴承结构，并具有与接收介质的干燥位置相邻的加压空气入口和空气出口。 来自空气轴承结构出口的空气流形成用于接收介质的空气轴承。 位于出口处的微孔过滤器适于将来自出口的空气流转换成扩散流，该微孔过滤器由非常细的筛网的内层形成，用于最佳的空气扩散和外层织物筛网的外层 刚性和防磨损。
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公开(公告)号：US07434919B2
公开(公告)日：2008-10-14
申请号：US11229454
申请日：2005-09-16
IPC分类号： B41J2/07
CPC分类号： B41J2/03 , B41J2002/022 , B41J2002/033 , B41J2202/13 , B41J2202/16
摘要： A jet break-off length measurement apparatus for a continuous liquid drop emission system is provided. The jet break-off length measurement apparatus comprises a liquid drop emitter containing a positively pressurized liquid in flow communication with at least one nozzle for emitting a continuous stream of liquid. Heater resistor apparatus is adapted to transfer pulses of thermal energy to the liquid in flow communication with the at least one nozzle sufficient to cause the break-off of the at least one continuous stream of liquid into a stream of drops of predetermined volumes. A sensing apparatus adapted to detect the stream of drops of predetermined volumes is provided. A control apparatus is adapted to determine a characteristic of the stream of drops of predetermined volumes that is related to the break-off length. Further apparatus is adapted to inductively charge at least one drop and to cause electric field deflection of charged drops. Jet stimulation apparatus comprising a plurality of transducers corresponding to the plurality of nozzles and adapted to transfer pulses of energy to the liquid sufficient to cause the break-off of the plurality of continuous streams of liquid into a plurality of streams of drops of predetermined volumes is also disclosed. Methods of measuring the jet break-off length using phase sensitive amplification circuitry are disclosed.
摘要翻译： 提供一种用于连续液滴发射系统的射流断裂长度测量装置。 射流断裂长度测量装置包括液滴发射器，其包含与至少一个喷嘴流动连通的正压液体，用于发射连续的液体流。 加热器电阻器装置适于将热能的脉冲传送到与至少一个喷嘴流动连通的液体，足以使至少一个连续的液体流分解成预定体积的液滴流。 提供了适于检测预定体积的液滴流的感测装置。 控制装置适于确定与断裂长度相关的预定体积的液滴流的特性。 进一步的装置适于对至少一滴进行电感充电并引起带电液滴的电场偏转。 喷射刺激装置包括对应于多个喷嘴的多个换能器并且适于将足够的能量脉冲转移到液体，以使多个连续的液体流分解成多个预定体积的液滴流， 也披露。 公开了使用相位敏感放大电路测量射流断裂长度的方法。
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公开(公告)号：US20080218562A1
公开(公告)日：2008-09-11
申请号：US11682343
申请日：2007-03-06
IPC分类号： B41J2/09
摘要： A liquid ejection apparatus includes a liquid stream generator, an electrode system, and a stream deflector. The liquid stream generator includes a nozzle and is operable to produce a stream of liquid through the nozzle. The electrode system is operable to produce an electric field including a first region having a first magnitude and a second region having a second magnitude. The stream deflector is operable to selectively cause the stream to move into one of the first region and the second region.
摘要翻译： 液体喷射装置包括液体流发生器，电极系统和流偏转器。 液体流发生器包括喷嘴并且可操作以通过喷嘴产生液体流。 电极系统可操作以产生包括具有第一量值的第一区域和具有第二量值的第二区域的电场。 流导流器可操作以选择性地使流移动到第一区域和第二区域中的一个。
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38.发明授权公开(公告)号：US07401906B2
公开(公告)日：2008-07-22
申请号：US11758786
申请日：2007-06-06
IPC分类号： B41J2/02
CPC分类号： B41J2/03 , B41J2002/022 , B41J2002/033 , B41J2202/13 , B41J2202/16
摘要： A jet break-off length control apparatus for a continuous liquid drop emission system is provided. The jet break-off length control apparatus comprises a liquid drop emitter containing a positively pressurized liquid in flow communication with at least one nozzle for emitting a continuous stream of liquid. Resistive heater apparatus is adapted to transfer pulses of thermal energy to the liquid in flow communication with the at least one nozzle sufficient to cause the break-off of the at least one continuous stream of liquid into a stream of drops of predetermined volumes. A sensing apparatus adapted to detect the stream of drops of predetermined volumes is provided. The jet break-off length control apparatus further comprises a control apparatus adapted to calculate a characteristic of the stream of drops of predetermined volumes and adapted to provide a break-off length calibration signal to the resistive heater apparatus wherein the break-off length calibration signal is determined at least by the characteristic of the stream of drops of predetermined volumes. Further apparatus is adapted to inductively charge at least one drop and to cause electric field deflection of charged drops. The present inventions are additionally configured to control break-off lengths for a plurality of streams of drops of predetermined volumes by determining a break-off length calibration signal that contains information specific to the plurality of streams of drops of predetermined volumes. Jet stimulation apparatus comprised of a plurality of thermomechanical or electromechanical transducer devices that transfer mechanical energy to the fluid are claimed. Methods of controlling the jet break-off length are also disclosed.
摘要翻译： 提供一种用于连续液滴发射系统的喷射断裂长度控制装置。 喷射断裂长度控制装置包括液滴发射器，其包含与至少一个喷嘴流动连通的正压液体，用于发射连续的液体流。 电阻式加热器装置适于将热能的脉冲传送到与至少一个喷嘴流动连通的液体，足以使至少一个连续的液体流分解成预定体积的液滴流。 提供了适于检测预定体积的液滴流的感测装置。 喷射断裂长度控制装置还包括适于计算预定体积的液滴流的特性的控制装置，并适于向电阻加热器装置提供断开长度校准信号，其中断开长度校准信号 至少由预定体积的液滴流的特性确定。 进一步的装置适于对至少一滴进行电感充电并引起带电液滴的电场偏转。 本发明还被配置为通过确定包含特定于多个预定体积的液滴流的信息的断裂长度校准信号来控制多个预定体积的液滴流的断裂长度。 要求具有将机械能传递到流体的多个热机械或机电换能器装置构成的射流刺激装置。 还公开了控制喷射断裂长度的方法。
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公开(公告)号：US07050196B1
公开(公告)日：2006-05-23
申请号：US09597534
申请日：2000-06-20
CPC分类号： H04N1/6097 , H04N1/4078 , H04N1/6033
摘要： The present invention addresses the quantification of a printed tone scale for each individual color in a printing system, developing a linear tone scale derived in an independent color space and referenced from the shade of the unprinted substrate. The present invention determines the threshold for excessive ink coverage of a printing system on a specified substrate. This determination is based on a subjective evaluation of acceptable thresholds for bleed, cockle, show through, and image density. The method works in conjunction with a predefined test pattern printed on the specified substrate at fixed printing parameters, such as speed, dryer temperature, and web tension. This invention also includes an ability to limit the ink of each independent color in the system as a fraction of the total upper ink limit. Furthermore, this invention allows calibration of the tone scale of each color in the system using the color of the paper as a reference point. In addition, this invention facilitates the generation of separate sets of tone scale transformations for both graphics and text for each color in the system.
摘要翻译： 本发明解决了打印系统中针对每种单独颜色的打印色阶的量化，显现了在独立色彩空间中导出的并从未印刷的基底的色调引用的线性色阶。 本发明确定了指定基板上的打印系统的过度油墨覆盖的阈值。 这一决定是基于对出血，鸟蛤，显示和图像密度的可接受阈值的主观评估。 该方法与固定印刷参数（如速度，干燥器温度和幅材张力）一起工作在印刷在指定基材上的预定义的测试图案。 本发明还包括将系统中每种独立颜色的油墨限制为总上限油墨极限的一部分的能力。 此外，本发明允许使用纸张的颜色作为参考点校正系统中每种颜色的色调。 此外，本发明有助于为系统中的每种颜色生成用于图形和文本的单独的色阶变换集合。
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公开(公告)号：US4934564A
公开(公告)日：1990-06-19
申请号：US327868
申请日：1989-03-23
申请人： Michael J. Piatt
发明人： Michael J. Piatt
CPC分类号： B01L3/0272 , B01L3/0268 , G01F11/08 , B01L2200/061 , G01N2035/1041
摘要： A dispensing system for metering precise quantitites of liquid to a use site in droplet streams. The system includes a reservoir containing a quantity of liquid to be dispensed, a droplet generator for producing a stream of uniformly sized droplets of the liquid in the reservoir; and a device for controlling the droplet generator to produce a droplet stream containing a predetermined number of droplets. The control device can include an operator-settable counter for selectively varying the quantity of dispensed liquid by adjusting the number of produced droplets or by adjusting the size of droplets comprising the droplet stream.
摘要翻译： 一种用于将液体的精确定量计量到液滴流中的使用场所的分配系统。 该系统包括容纳一定数量的要分配的液体的储存器，用于在储存器中产生均匀尺寸的液体液滴流的液滴发生器; 以及用于控制液滴发生器以产生含有预定数量的液滴的液滴流的装置。 控制装置可以包括可操作者可设置的计数器，用于通过调节产生的液滴的数量或通过调节包括液滴流的液滴的尺寸来选择性地改变分配的液体的量。
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