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    • 4. 发明授权
    • Method for peening the internal surface of a hollow part
    • 中空部件的内表面喷丸处理方法
    • US06170308B2
    • 2001-01-09
    • US09357260
    • 1999-07-20
    • William A. VeronesiPedro Sainz de BarandaVincent C. NardoneStephen E. TolmanPaul H. Wawrzonek
    • William A. VeronesiPedro Sainz de BarandaVincent C. NardoneStephen E. TolmanPaul H. Wawrzonek
    • B21D2614
    • B24B31/006B24B39/006Y10S72/707Y10T29/479
    • The rate of impact between the peening elements and an internal surface of a hollow part is a function of the vibration frequency, and there is a cut-off frequency at which a hollow part can vibrate and induce repeated impact between its internal surface and the peening elements because the rate of impact becomes erratic and loses its cyclical nature as the vibration frequency deviates from the cut-off frequency. The present invention provides a method for determining the cut-off frequency at which a hollow part can vibrate and maintain the repetitive nature of the impact between its internal surface and the peening elements. Such a method requires a peening element speed limit ratio, which is the ratio of the velocity of the hollow part compared to the velocity of the peening element above which the rate of impact begins to become erratic and lose its cyclical nature. The present invention utilizes the peening element speed limit ratio to determine the frequency at which to vibrate the hollow part when peening its internal surface so as to and maintain repeated impact between it and the peening elements.
    • 喷丸元件与中空部件的内表面之间的冲击速率是振动频率的函数,并且中空部件可以在其内表面和喷丸之间振动并引起反复冲击的截止频率 因为当振动频率偏离截止频率时,冲击速率变得不稳定并且失去周期性质。 本发明提供了一种用于确定中空部件能够振动并且保持其内表面和喷丸元件之间的冲击的重复性质的截止频率的方法。 这种方法需要喷丸元件速度限制比,其是中空部分的速度与喷丸元件的速度之比,其中冲击速率开始变得不稳定并且失去其周期性质。 本发明利用喷丸元件限速比来确定当其内表面硬化时使中空部分振动的频率,从而在其与喷丸元件之间保持重复的冲击。
    • 6. 发明授权
    • Structural joints of high dimensional stability
    • 结构接头的尺寸稳定性高
    • US5015116A
    • 1991-05-14
    • US485184
    • 1990-02-26
    • Vincent C. NardoneJames R. StrifeKarl M. Prewo
    • Vincent C. NardoneJames R. StrifeKarl M. Prewo
    • B64G99/00F16B2/08F16B7/04
    • B64G9/00F16B7/0486F16B2/08Y10T403/21Y10T403/345Y10T403/42Y10T403/5766
    • A dimensionally stable structural joint particularly suited for use in space systems. The joint comprises a connector having at least two tubular sleeves, at least two tubular members, and at least two annular clamping means for securing the tubular members inside the connector. The connector comprises at least two elements, manufactured from a fiber reinforced composite, which, when mated, form the connector. The tubular members are manufactured from a material having a coefficient of axial expansion of substantially zero. The annular clamping means are manufactured from a material having substantially the same coefficient of radial expansion as the tubular members. The combination of the connector comprises at least two elements and the annular clamping means with substantially the same coefficient of radial expansion as the tubular members allows the joint to accommodate radial expansion and contraction while maintaining axial dimensional stability.
    • 特别适用于空间系统的尺寸稳定的结构接头。 接头包括具有至少两个管状套管,至少两个管状构件和用于将管状构件固定在连接器内的至少两个环形夹紧装置的连接器。 连接器包括由纤维增强复合材料制成的至少两个元件,当被配合时形成连接器。 管状构件由具有基本为零的轴向膨胀系数的材料制成。 环形夹紧装置由具有与管状构件基本相同的径向膨胀系数的材料制成。 连接器的组合包括至少两个元件和环形夹持装置,其具有与管状构件基本上相同的径向膨胀系数,从而允许接头适应径向膨胀和收缩,同时保持轴向尺寸稳定性。
    • 7. 发明申请
    • ARRANGEMENT FOR CONTROLLING FLUID JETS INJECTED INTO A FLUID STREAM
    • 控制注入流体流中的流体喷嘴的装置
    • US20110204162A1
    • 2011-08-25
    • US13094881
    • 2011-04-27
    • Fabio R. BertolottiDavid S. LiscinskyVincent C. NardoneMichael K. SahmBernd R. NoackDaniel R. Sabatino
    • Fabio R. BertolottiDavid S. LiscinskyVincent C. NardoneMichael K. SahmBernd R. NoackDaniel R. Sabatino
    • B05B1/34
    • F02K1/28F01D5/145F02C6/08F02K1/38F02K1/46F23D14/583Y02T50/673Y10T137/0329
    • In an air mixing arrangement wherein a primary fluid is introduced through an opening in a wall to be mixed with a secondary fluid flowing along the wall surface, the opening is airfoil shaped with its leading edge being orientated at an attack angle with respect to the secondary fluid flow stream so as to thereby enhance the penetration and dispersion of the primary fluid stream into the secondary fluid stream. The airfoil shaped opening is selectively positioned such that its angle of attack provides the desired lift to optimize the mixing of the two streams for the particular application. In one embodiment, a collar is provided around the opening to prevent the secondary fluid from contacting the surface of the wall during certain conditions of operation. Multiple openings maybe used such as the combination of a larger airfoil shaped opening with a smaller airfoil shaped opened positioned downstream thereof, or a round shaped opening placed upstream of an airfoil shaped opening. Pairs of openings and associated collars maybe placed in symmetric relationship so as to promote mixing in particular applications, and nozzles maybe placed on the inner side of wall to enhance the flow characteristics of the primary fluid.
    • 在空气混合装置中,其中主要流体通过壁中的开口引入以与沿着壁表面流动的次级流体混合,所述开口是翼型,其前缘相对于次级 流体流动,从而增强初级流体流进入次级流体流的渗透和分散。 翼型开口被选择性地定位成使得其迎角提供所需的升力以优化用于特定应用的两个流的混合。 在一个实施例中,围绕开口设置套环,以防止在某些操作条件下次要流体接触壁的表面。 可以使用多个开口,例如较大的翼型形状的开口与位于其下游的较小的翼型形状的组合,或者设置在翼型形状的开口的上游的圆形开口。 一对开口和相关的套环可以放置在对称关系中,以促进特定应用中的混合,并且喷嘴可以放置在壁的内侧以增强初级流体的流动特性。