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    • 6. 再颁专利
    • Metallic seal
    • 金属密封
    • USRE39973E1
    • 2008-01-01
    • US10876288
    • 2004-06-25
    • John Loyd SpenceKevin R. Felber
    • John Loyd SpenceKevin R. Felber
    • F16J15/02
    • F16J15/0881Y10S277/91
    • A metallic seal is provided that concentrates the available load over a narrow band to produce a sealing dam over a sufficient width to minimize leakage on a molecular level. The metallic seal has a first annular beam section, a second annular beam section, and inner and outer surfaces extending between the first and second annular beam sections. One of the inner and outer surfaces has an annular recess that at least partially defines an annular column section of material extending substantially perpendicular between said first and second annular beam sections thereto. The first annular beam section has a first non-sealing surface and a first raised portion with a first annular sealing surface facing in a first axial direction to contact a first member for creating a first annular sealing dam therebetween. The second annular beam section has a second non-sealing surface and a first raised portion with a second annular sealing surface facing in a second axial direction, which is opposite to the first axial direction, to contact a second member for creating a second annular sealing dam therebetween. The annular inner surface extends between the first and second sealing surfaces to form a central passageway. The metallic seal is used to create a seal between a pair of mating surfaces of a first member and a second member. First and second members are coupled together by a plurality of fasteners or bolts. By tightening the fasteners the seal is loaded, and thus, compressed to plastically deform and create an annular seal between the first and second members.
    • 提供了一种金属密封件,其将可用负载集中在窄带上以产生足够宽度的密封坝,以最小化分子水平上的泄漏。 金属密封件具有第一环形梁部分,第二环形梁部分以及在第一和第二环形梁部分之间延伸的内表面和外表面。 内表面和外表面中的一个具有环形凹部,其至少部分地限定在其上的所述第一和第二环形梁部分之间基本上垂直延伸的材料的环形柱部分。 第一环形梁段具有第一非密封表面和第一凸起部分,第一凸起部分具有面向第一轴向的第一环形密封表面,以接触第一构件以在其间形成第一环形密封堤坝。 第二环形梁段具有第二非密封表面和第一凸起部分,其具有面向第二轴向方向的第二环形密封表面,该第二环形密封表面与第一轴向方向相反,以接触第二构件以产生第二环形密封 水坝之间。 环形内表面在第一和第二密封表面之间延伸以形成中心通道。 金属密封件用于在第一构件和第二构件的一对配合表面之间形成密封。 第一和第二构件通过多个紧固件或螺栓联接在一起。 通过紧固紧固件,密封件被加载,因此被压缩以塑性变形并在第一和第二构件之间产生环形密封。