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    • 4. 发明授权
    • Seal device
    • 密封装置
    • US07090221B2
    • 2006-08-15
    • US10501908
    • 2002-12-03
    • Shingo MatsuiYoshiaki Takigahira
    • Shingo MatsuiYoshiaki Takigahira
    • F16J15/34
    • F16J15/3228F16J15/324F16J15/3456
    • A seal contact surface of a seal lip member and a protruding lip member of an end face seal are separated from each other and frictional heat generated at the seal lip member due to sliding motion is prevented from being transferred to the end face seal for softening the material, thus the seal capability is improved. A protruding lip member (3) provides a seal by making an angle to a seal surface (11B) of a seal ring (11) in radially outward a direction and a lip portion (15A) of a seal lip member (15) is disposed inside an inner diameter surface (11A) of the seal ring (11) for effecting a seal against a sealing object fluid.
    • 密封唇部件的密封接触表面和端面密封件的突出唇形部件彼此分离,并且防止由于滑动而在密封唇部件处产生的摩擦热被转移到端面密封件上,以软化 材料,从而改善了密封性能。 凸缘部件(3)通过与密封环(11)的密封表面(11B)成一个径向向外的方向和密封唇部件(15)的唇部(15A)形成一个角度来提供密封, 设置在密封环(11)的内径表面(11A)内,用于对密封对象流体进行密封。
    • 5. 发明授权
    • Gas seal
    • 气封
    • US5447316A
    • 1995-09-05
    • US13503
    • 1993-02-04
    • Shingo Matsui
    • Shingo Matsui
    • F16J15/34
    • F16J15/3412
    • A gas seal includes a pair of relatively rotatable slide members and a plurality of grooves for generating a hydrodynamic floating force between sliding surfaces of the slide members during rotation are circumferentially formed to one of the slide members so as to extend in a radial direction. A first dam portion for partitioning an inside space in the grooves from an external portion on an outer diameter side of the grooves is formed along an entire peripheral portion of the one of the slide members. Each of the grooves has a V-shaped cross section having a central bottom portion and tapered portions extending from the central bottom portion with inclinations reverse to each other in the circumferential direction thereof and a second dam portion is formed to the bottom portion so as to extend upward. In another aspect of the present invention, a a second dam portion for bilaterally partitioning each of the grooves is formed to a central bottom portion of the groove so as to extend in a radial direction. Each groove has a cross section along the circumferential direction having tapered portions extending from the second dam portion with inclinations reverse to each other and gas flow passages are formed on both sides of the first and second dam portions.
    • 气体密封件包括一对相对旋转的滑动构件,并且用于在旋转期间在滑动构件的滑动表面之间产生流体动力悬浮力的多个凹槽周向地形成为一个滑动构件,以沿径向方向延伸。 沿着滑动构件中的一个的整个周边部分形成有用于从槽的外径侧的外部分隔槽内的内部空间的第一坝部。 每个槽具有V形横截面,该截面具有中心底部和从中心底部沿圆周方向相反倾斜延伸的锥形部分,并且在底部形成第二阻挡部分,以便 向上延伸 在本发明的另一方面,用于将每个槽双向分割的第二阻挡部分形成在槽的中心底部,以沿径向方向延伸。 每个槽具有沿着圆周方向的横截面,具有从第二坝部分延伸的具有相反倾斜的锥形部分,并且在第一和第二坝部的两侧形成气体流动通道。