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    • 3. 发明授权
    • Liquid dispenser including passive pre-stressed flexible membrane
    • 液体分配器包括被动预应力柔性膜
    • US08733903B2
    • 2014-05-27
    • US13552752
    • 2012-07-19
    • Zhanjun GaoYonglin Xie
    • Zhanjun GaoYonglin Xie
    • B41J2/05
    • B41J2/14064B41J2002/14177B41J2202/12
    • A liquid dispenser includes first and second liquid chambers. The second liquid chamber is in fluid communication with liquid supply and liquid return channels. A flexible membrane separates and fluidically seals the first and second liquid chambers from each other. The flexible membrane, residing in a first position, includes a residual compressive stress that exceeds an onset buckling stress of the flexible membrane. A heater, associated with the second liquid chamber, is selectively actuated to create a pressure pulse in a liquid that causes the flexible membrane to move from the first position to a second position to eject liquid through a nozzle of the first liquid chamber. In one embodiment, a liquid supply provides liquid that flows continuously from the liquid supply through the liquid supply channel through the second liquid chamber through the liquid return channel and back to the liquid supply during a drop dispensing operation.
    • 液体分配器包括第一和第二液体室。 第二液体室与液体供应和液体返回通道流体连通。 柔性膜将第一和第二液体室彼此分离并流体密封。 位于第一位置的柔性膜包括超过柔性膜的起始屈曲应力的残余压应力。 与第二液体室相关联的加热器被选择性地致动以在液体中产生压力脉冲,其使柔性膜从第一位置移动到第二位置,以将液体喷射通过第一液体室的喷嘴。 在一个实施例中,液体供应提供液体,其在液滴分配操作期间通过液体返回通道从液体供应通过液体供应通道连续流过第二液体室并返回到液体供应。
    • 4. 发明申请
    • LIQUID DISPENSER INCLUDING PASSIVE PRE-STRESSED FLEXIBLE MEMBRANE
    • 液体分配器,包括被动预应力柔性膜
    • US20140022308A1
    • 2014-01-23
    • US13552752
    • 2012-07-19
    • Zhanjun GaoYonglin Xie
    • Zhanjun GaoYonglin Xie
    • B41J2/04
    • B41J2/14064B41J2002/14177B41J2202/12
    • A liquid dispenser includes first and second liquid chambers. The second liquid chamber is in fluid communication with liquid supply and liquid return channels. A flexible membrane separates and fluidically seals the first and second liquid chambers from each other. The flexible membrane, residing in a first position, includes a residual compressive stress that exceeds an onset buckling stress of the flexible membrane. A heater, associated with the second liquid chamber, is selectively actuated to create a pressure pulse in a liquid that causes the flexible membrane to move from the first position to a second position to eject liquid through a nozzle of the first liquid chamber. In one embodiment, a liquid supply provides liquid that flows continuously from the liquid supply through the liquid supply channel through the second liquid chamber through the liquid return channel and back to the liquid supply during a drop dispensing operation.
    • 液体分配器包括第一和第二液体室。 第二液体室与液体供应和液体返回通道流体连通。 柔性膜将第一和第二液体室彼此分离并流体密封。 位于第一位置的柔性膜包括超过柔性膜的起始屈曲应力的残余压应力。 与第二液体室相关联的加热器被选择性地致动以在液体中产生压力脉冲,其使柔性膜从第一位置移动到第二位置,以将液体喷射通过第一液体室的喷嘴。 在一个实施例中,液体供应提供液体,其在液滴分配操作期间通过液体返回通道从液体供应通过液体供应通道连续流过第二液体室并返回到液体供应。
    • 5. 发明授权
    • Device for controlling direction of fluid
    • 控制流体方向的装置
    • US08016395B2
    • 2011-09-13
    • US12420838
    • 2009-04-09
    • Gilbert A. HawkinsZhanjun GaoYonglin XieEdward P. FurlaniKam C. Ng
    • Gilbert A. HawkinsZhanjun GaoYonglin XieEdward P. FurlaniKam C. Ng
    • B41J2/07
    • F15C5/00B41J2/07
    • A device and a method of controlling fluid flow are provided. The method includes providing a moving fluid including a fluid flow characteristic; providing a fluid control device including a fluid control surface, the fluid control surface including a pattern that guides the fluid; causing the fluid to contact the fluid control surface of the fluid control device; and causing the fluid to interact with the fluid control surface of the fluid control device by guiding the fluid using the pattern of the fluid control surface while the fluid is in contact with the pattern of the fluid control device such that the fluid flow characteristic of the fluid after interacting with the fluid control surface of the fluid control device is different from the fluid flow characteristic of the fluid before interaction with the fluid control surface of the fluid control device.
    • 提供了一种控制流体流动的装置和方法。 该方法包括提供包括流体流动特征的移动流体; 提供包括流体控制表面的流体控制装置,所述流体控制表面包括引导流体的图案; 使流体接触流体控制装置的流体控制表面; 并且当所述流体与所述流体控制装置的图案接触时,通过使用所述流体控制表面的图案来引导所述流体,并且使所述流体与所述流体控制装置的所述流体控制表面相互作用, 与流体控制装置的流体控制表面相互作用后的流体在与流体控制装置的流体控制表面相互作用之前不同于流体的流体流动特性。