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    • 19. 发明公开
    • SWIVEL A DECOUPLED CENTRAL RING MEMBER
    • DREHGELENKFÜREIN ENTKOPPELTES ZENTRALES RINGELEMENT
    • EP3084279A1
    • 2016-10-26
    • EP14811901.9
    • 2014-12-12
    • Single Buoy Moorings, Inc.
    • RANDRIANARIVONY, Liva Christian
    • F16L27/08
    • F16L27/082F16C2361/00F16L27/0828F16L27/0832
    • A swivel includes an inner and an outer ring. The rings are coaxial and rotatable relative to one another around a central axis, and define a toroidal chamber and an axial seal annulus gap between the rings. The inner and outer rings are rotatably interconnected via a bearing structure. The swivel includes an upper bearing structure and a lower bearing structure on each side of the toroidal chamber. Each bearing structure interconnects the inner and outer rings. An upper and a lower sealing member is situated in the seal annulus gap near a respective upper and lower bearing structure. At least one of the inner and outer rings includes an upper member, a lower member and a central member. The upper and lower members are fixedly attached to the respective upper and lower bearing structures and the central member is independently displaceable relative to the upper and lower ring members.
    • 旋转体包括内圈和外圈。 环是相对于彼此围绕中心轴线共轴并且可旋转的,并且在环之间限定环形室和轴向密封环空间。 内环和外环通过轴承结构可旋转地互连。 旋转件包括在环形室的每一侧上的上轴承结构和下轴承结构。 每个轴承结构互连内圈和外圈。 上密封件和下密封件位于相应的上和下轴承结构附近的密封环空隙中。 内环和外环中的至少一个包括上部构件,下部构件和中心构件。 上部和下部构件固定地附接到相应的上部和下部轴承结构,并且中心构件可相对于上部和下部环构件独立地移动。