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    • 4. 发明授权
    • Bearing mount system for reducing vibration
    • 轴承安装系统减少振动
    • US06536953B1
    • 2003-03-25
    • US09709777
    • 2000-11-08
    • Steven A. CopeJeffrey L. KennardMark A. Lamontia
    • Steven A. CopeJeffrey L. KennardMark A. Lamontia
    • F16C2706
    • F16C27/066B65H54/547B65H54/70B65H2701/31F16C19/06F16C35/073
    • A bearing mounting system and method that reduces vibration using a singular annular elastomeric member contained in a substantially enclosed area that includes open area free of elastomeric material. A bearing raceway surface and an adjacent support surface are spaced apart by a predetermined radial gap. The enclosed cross-sectional area is bounded by features on the bearing raceway surface and the supporting surface that could be either the rotating roll or a support shaft. The enclosed area has a depth and a width and includes the radial gap. The viscoelastic deformation of the elastomeric member contained in this enclosed area in conjunction with the amount of open area in the enclosed area, provides a dual stiffness system that reduces or eliminates the excessive vibration that occurs in chucks for textile fiber windups or similar systems, when there is relative movement to reduce the radial gap and the enclosed area containing the radial gap.
    • 一种轴承安装系统和方法,其使用包含在不包括弹性体材料的开放区域的基本封闭区域中的单个环形弹性体构件来减少振动。 轴承滚道表面和相邻的支撑表面间隔开预定的径向间隙。 封闭的横截面区域由轴承滚道表面上的特征和可以是旋转辊或支撑轴的支撑表面限定。 封闭区域具有深度和宽度并且包括径向间隙。 包含在该封闭区域中的弹性体构件的粘弹性变形与封闭区域中的开放面积的量一起提供了双刚度系统,其减少或消除了纺织纤维卷起或类似系统的卡盘中发生的过度振动,当时 存在减小径向间隙的相对运动和包含径向间隙的封闭区域。
    • 5. 发明授权
    • Increasing the rate of crystallization of engineering thermoplastics
    • 提高工程热塑性塑料的结晶率
    • US07790841B1
    • 2010-09-07
    • US12079089
    • 2008-02-06
    • Gregory R. YandekDarrell MarchantJoseph M. MabryMark B. GruberMark A. Lamontia
    • Gregory R. YandekDarrell MarchantJoseph M. MabryMark B. GruberMark A. Lamontia
    • C08F6/00C08G64/00
    • B82Y30/00C08J3/201C08J3/2056C08K5/0083C08K5/5419Y10T428/2982Y10T428/2993
    • Method for enhancing the crystallization rates of engineering thermoplastics through the use and incorporation of particulate additives with dimensions on the order of 10-1000 nm is described. The presence of nanoparticles at concentrations of, e.g., less than 10 weight percent of the composition, reduces the viscosity of the thermoplastics as compared to the respective homopolymer, thereby increasing polymer chain transport and diffusion to the crystallizing growth front. The prescription of this technology has been shown to reduce crystallization half times of some engineering thermoplastics by as much as 40 percent at optimal crystallization temperatures, an effect that is magnified as the temperature is reduced towards the glassy state of the amorphous phase. Nano-modified engineering thermoplastics with rapid crystallization kinetics and relatively low viscosities can be utilized in component fabrication processes that require rapid processing times, e.g., for the sake of cost efficiency.
    • 描述了通过使用和结合尺寸在10-1000nm的颗粒添加剂来提高工程热塑性塑料的结晶速率的方法。 相对于各均聚物,存在的纳米颗粒的浓度例如低于组合物的10重量%,降低了热塑性塑料的粘度,从而增加了聚合物链的转运和扩散到结晶生长前沿。 已经表明,该技术的处方已经证明,在最佳结晶温度下,将一些工程热塑性塑料的结晶半结晶减少多达40%,随着温度朝着非晶相的玻璃状态而减小的效应被放大。 具有快速结晶动力学和相对低粘度的纳米改性工程热塑性塑料可用于需要快速加工时间的部件制造工艺中,例如为了成本效率。