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    • 6. 发明授权
    • Mechanical seal
    • 机械密封
    • US4241927A
    • 1980-12-30
    • US66102
    • 1979-08-13
    • Winfred J. Wiese
    • Winfred J. Wiese
    • F16J15/38
    • F16J15/38
    • An improved mechanical seal in which the elastomer U-cup has a controlled contact area with a rotating member and the cavity for receiving the U-cup is contoured without the conventional, relatively sharp axially extending lip. A low coefficient of friction exists between the U-cup and the rotating member, providing improved life to the seal assembly.The cavity in one of the seal rings is formed with defining walls having portions normal to each other and to the intersected surfaces of the seal ring, one of the defining surfaces being normal to the rotatable shaft. The U-cup has a surface in full contact with the cavity defining wall; the controlled contact area being a cylindrical surface contacting the rotatable shaft.
    • 改进的机械密封件,其中弹性体U形杯具有与旋转构件的受控接触面积,并且用于接收U形杯的空腔是轮廓,而没有传统的相对尖锐的轴向延伸的唇缘。 在U形杯和旋转构件之间存在低摩擦系数,为密封组件提供更好的使用寿命。 一个密封环中的空腔形成有具有彼此垂直的部分和密封环的相交表面的限定壁,其中一个限定表面垂直于可旋转轴。 U形杯具有与空腔限定壁完全接触的表面; 受控接触区域是与可旋转轴接触的圆柱形表面。
    • 8. 发明授权
    • Mechanical seal assembly
    • 机械密封组件
    • US4426092A
    • 1984-01-17
    • US393580
    • 1982-06-30
    • Winfred J. Wiese
    • Winfred J. Wiese
    • F16J15/34
    • F16J15/3432F16J15/3468
    • A mechanical seal assembly having a rotatable sealing ring means mounted for rotation on a shaft and a stationary sealing ring means connected to a housing flange, the sealing ring means having opposed sealing surfaces. The assembly also has means urging the sealing surfaces toward one another. The rotatable sealing ring means is of stepped configuration and constructed as an integral pair of equal axial length ring portions, one portion having its inner and outer diameters larger than the respective diameters of the other. Generally, the ring portion having the smallest inner and outer diameter is that ring portion having the sealing surface--one that opposes the sealing surface of the stationary sealing ring means.The degree of deflection of the sealing surface because of hydraulic load or pressure can be selected by selecting the diameters of the pair of ring portions, i.e., if the ring portions have substantially the same shrinkage, the sealing surface will remain substantially flat; if the shrinkage of the ring portion with the largest inner and outer diameters is more than the other ring portion, the seal surface will become convex; if the opposite relationship of the cross-sections is selected, the seal surface will become concave.
    • 一种机械密封组件,其具有可旋转的密封环装置,其安装成用于在轴上旋转;以及固定密封环装置,其连接到壳体凸缘,所述密封环装置具有相对的密封表面。 组件还具有将密封表面朝向彼此推动的装置。 可旋转的密封环装置是阶梯式构造的,并且构造成一对相等的轴向长度的环形部分,一个部分的内径和外径大于另一个的相应直径。 通常,具有最小内径和外径最小的环部分是具有与固定密封环装置的密封表面相对的密封表面的环形部分。 由于液压负荷或压力,密封面的偏转程度可以通过选择一对环形部分的直径来选择,即如果环形部分具有大致相同的收缩,则密封面将保持基本平坦; 如果内径和外径最大的环部的收缩率大于另一个环部,则密封面将变凸; 如果选择横截面的相反关系,则密封表面将变为凹形。
    • 9. 发明授权
    • Mechanical seal with eccentric seal faces
    • 机械密封带偏心密封面
    • US4323255A
    • 1982-04-06
    • US65784
    • 1979-08-13
    • Winfred J. Wiese
    • Winfred J. Wiese
    • F16J15/34
    • F16J15/3404
    • A mechanical seal assembly adapted to be associated with a rotatable shaft and a housing and having three seal rings, one connected to the shaft and thus rotatable, another connected to the housing and thus stationary, and the third or center intermediate the rotatable and the stationary seal rings. The center seal ring has spaced faces each engaging an adjacent face of the adjacent ring. The center or intermediate seal ring has its seal faces defined by circular boundaries radially offset from one another and from the axial center of the assembly. In other words, the seal faces of the center ring eccentric to one another and each is eccentric to the contact face of the adjacent ring.
    • 机械密封组件,其适于与可旋转轴和壳体相关联并且具有三个密封环,一个连接到所述轴并因此可旋转的密封环,另一个连接到所述壳体并因此固定,并且所述第三或中间中间可旋转和静止 密封环。 中心密封环具有间隔开的面,每个面与相邻环的相邻面接合。 中间或中间密封环的密封面由圆形边界限定,圆形边界彼此径向偏移并且从组件的轴向中心偏离。 换句话说,中心环的密封面彼此偏心并且彼此偏心相邻环的接触面。
    • 10. 发明授权
    • Mechanical seal assembly
    • 机械密封组件
    • US4266786A
    • 1981-05-12
    • US66279
    • 1979-08-13
    • Winfred J. Wiese
    • Winfred J. Wiese
    • F16J15/34F16J15/38
    • F16J15/3404Y10S277/93
    • A mechanical seal assembly adapted to be associated with a rotatable shaft and a housing and having a rotatable seal ring and a stationary seal ring, each having seal faces which engage seal faces on a central seal ring, the latter seal ring being centered only on its outer diameter and being free to rotate relative to the other seal rings thus reducing the speed at the seal faces to the intermediate speed. An aspect of the disclosure is a double spring system wherein seal ring means associated with a shaft and a housing are urged toward one another.
    • 一种机械密封组件,其适于与可旋转的轴和壳体相关联并且具有可旋转的密封环和固定密封环,每个密封环具有接合中心密封环上的密封面的密封面,后者的密封环仅在其中心 外径并且相对于其他密封环自由旋转,从而将密封面处的速度降低到中间速度。 本公开的一个方面是双弹簧系统,其中与轴和壳体相关联的密封环装置被推向彼此。