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    • 3. 发明授权
    • Multi-lobed cooling hole array
    • 多叶冷却孔阵列
    • US08522558B1
    • 2013-09-03
    • US13544112
    • 2012-07-09
    • JinQuan Xu
    • JinQuan Xu
    • F23R3/00
    • F01D5/186F05D2250/324F05D2250/52F05D2260/202F05D2260/221Y02T50/676Y10T29/49323
    • A gas turbine engine component includes a wall having first and second wall surfaces and first and second cooling holes extending through the wall. The first and second cooling holes each include an inlet located at the first wall surface, an outlet located at the second wall surface, a metering section extending downstream from the inlet and a diffusing section extending from the metering section to the outlet. Each diffusing section includes first and second lobes, each lobe diverging longitudinally and laterally from the metering section. The outlets of each cooling hole include first and second lateral ends and a trailing edge. One of the lateral ends of the outlet of the first cooling hole and one of the lateral ends of the outlet of the second cooling hole meet upstream of the trailing edge of the first cooling hole and the trailing edge of the second cooling hole.
    • 燃气涡轮发动机部件包括具有第一和第二壁表面的壁和延伸穿过壁的第一和第二冷却孔。 第一和第二冷却孔各自包括位于第一壁表面处的入口,位于第二壁表面处的出口,从入口下游延伸的计量部分和从计量部分延伸到出口的扩散部分。 每个漫射部分包括第一和第二瓣,每个瓣从计量部分纵向和横向发散。 每个冷却孔的出口包括第一和第二侧端和后缘。 第一冷却孔的出口的横向端部和第二冷却孔的出口的一个横向端部与第一冷却孔的后缘和第二冷却孔的后缘相连。
    • 7. 发明授权
    • Continuous printing apparatus having improved deflector mechanism
    • 连续打印设备具有改进的导流器机构
    • US07824019B2
    • 2010-11-02
    • US11744987
    • 2007-05-07
    • Zhanjun GaoJinquan Xu
    • Zhanjun GaoJinquan Xu
    • B41J2/09
    • B41J2/09B41J2002/031B41J2002/033
    • A printing system includes a liquid drop ejector, a fluid flow device, and a fluid flow source. The liquid drop ejector is operable to eject liquid drops having a plurality of volumes along a first path. The fluid flow device includes a first section comprising a plurality of sub-channels created by a partition and a second section comprising a plurality of sub-channels created by a partition. Each partition has a height as viewed from a wall of the fluid flow device. The height of the partition of the second section is less than the height of the partition of the first section. The fluid flow source is operable to produce a fluid flow through the fluid flow device. The fluid flow interacts with the liquid drops to cause liquids drops having one of the plurality of volumes to begin moving along a second path.
    • 打印系统包括液滴喷射器,流体流动装置和流体流动源。 液滴喷射器可操作以沿着第一路径排出具有多个体积的液滴。 流体流动装置包括第一部分,其包括由分区产生的多个子通道和包括由分区产生的多个子通道的第二部分。 每个隔板具有从流体流动装置的壁观察的高度。 第二部分的隔板的高度小于第一部分的隔板的高度。 流体流动源可操作以产生流过流体流动装置的流体流。 流体流与液滴相互作用以引起具有多个体积中的一个体积的液滴开始沿第二路径移动。
    • 8. 发明申请
    • CONTINUOUS DROP EMITTER WITH REDUCED STIMULATION CROSSTALK
    • 具有减少刺激性CROSSTALK的连续喷射发射器
    • US20080088680A1
    • 2008-04-17
    • US11548709
    • 2006-10-12
    • Jinquan XuRandolph C. BrostQing YangFernando LopesStephen F. Pond
    • Jinquan XuRandolph C. BrostQing YangFernando LopesStephen F. Pond
    • B41J2/02
    • B41J2/03B41J2002/022B41J2002/033B41J2202/13B41J2202/16
    • A continuous drop emitter comprising a liquid supply chamber containing a liquid held at a positive pressure; first and second nozzles in fluid communication with the liquid supply chamber nozzles emitting first and second continuous streams of a liquid; first and second stream break-up transducers adapted to independently synchronize the break up of the first and second continuous streams of the liquid into first and second streams of drops of predetermined volumes, respectively; and an acoustic damping material located adjacent to or within the liquid supply chamber for damping sound waves generated within the liquid chamber by the first and second stream break-up transducer. The continuous drop emitter may also configured with a Helmholtz resonant chamber tuned to a critical stimulation frequency having an acoustic damping material therein for absorbing acoustic stimulation energy. The Helmholtz resonant chamber may serve as a portion of the common liquid supply for the first and second jets in which case the acoustic damping material may be porous to allow the liquid to pass through. The acoustic damping materials may acoustically lossy materials that transmute energy into heat via molecular motions. The acoustic damping materials may be porous materials that absorb acoustic energy by forcing the liquid through small passages causing viscous flow energy losses. In addition the acoustic damping materials may include components that cause the disruption of acoustic waves by reflection from materials that are impedance mismatched to the liquid, either very dense materials or gas filled voids.
    • 一种连续液滴发射器,包括一个含有保持在正压力下的液体的液体供应室; 第一和第二喷嘴与液体供应室喷嘴流体连通,发射第一和第二连续的液体流; 第一和第二流分解换能器,其适于独立地将所述液体的所述第一和第二连续流的分解独立地同步到预定体积的第一和第二液滴流中; 以及声音阻尼材料,其位于液体供应室附近或内部,用于阻止由第一和第二流断裂传感器在液体室内产生的声波。 连续液滴发射器还可以配置有调谐到临界刺激频率的亥姆霍兹谐振腔,其中具有用于吸收声学刺激能量的声阻尼材料。 亥姆霍兹共振腔可以用作第一和第二射流的公共液体供应的一部分,在这种情况下,声阻尼材料可以是多孔的以允许液体通过。 声阻尼材料可以通过分子运动将能量转变成热量的声学损耗材料。 声阻尼材料可以是通过迫使液体通过小通道而引起粘性流动能量损失来吸收声能的多孔材料。 此外,声阻尼材料可以包括通过来自与液体阻抗不匹配的材料(非常致密的材料或气体填充的空隙)的反射导致声波破坏的组件。