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    • 9. 发明申请
    • DEVICE FOR MERGING FLUID DROPS OR JETS
    • 装配流体液体或喷嘴的装置
    • US20100259586A1
    • 2010-10-14
    • US12420846
    • 2009-04-09
    • Gilbert A. HawkinsZhanjun GaoYonglin XieEdward P. FurlaniKam C. Ng
    • Gilbert A. HawkinsZhanjun GaoYonglin XieEdward P. FurlaniKam C. Ng
    • B41J2/09
    • B41J2/07B41J2/09B41J2/095
    • A device and 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; 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 using the pattern of the fluid control surface that, when activated, causes adjacent fluid drops to merge or coalesce 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图案; 使流体接触流体控制装置的流体控制表面; 并且使用流体控制表面的图案使流体与流体控制装置的流体控制表面相互作用,当流体控制表面被激活时,当流体与流体控制的图案接触时,相邻的流体液滴合并或聚结 装置,使得与流体控制装置的流体控制表面相互作用之后的流体的流体流动特性不同于在与流体控制装置的流体控制表面相互作用之前的流体的流体流动特性。
    • 10. 发明授权
    • Ink jet break-off length measurement apparatus and method
    • 喷墨断裂长度测量装置和方法
    • US07434919B2
    • 2008-10-14
    • US11229454
    • 2005-09-16
    • Gilbert A. HawkinsMichael J. PiattJohn C. BrazasStephen F. Pond
    • Gilbert A. HawkinsMichael J. PiattJohn C. BrazasStephen F. Pond
    • B41J2/07
    • B41J2/03B41J2002/022B41J2002/033B41J2202/13B41J2202/16
    • 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.
    • 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。