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1. 发明申请

WO2011161524A1 DECOUPLING JOINT FOR EXHAUST PIPINGS OF ENDOTHERMIC ENGINES 审中-公开
标题翻译：解除内燃机排气管的接头
公开(公告)号：WO2011161524A1
公开(公告)日：2011-12-29
申请号：PCT/IB2011/001416
申请日：2011-06-21
申请人： FLEXIDER S.R.L. , SPADA, Gian Luca
发明人： SPADA, Gian Luca
IPC分类号： F16L11/15 , F01N13/18
CPC分类号： F01N13/1816 , F16L27/1004 , F16L27/11 , F16L51/025 , F16L51/03 , F16L55/0337 , F16L55/041
摘要： A decoupling joint (1) comprising: a first flexible metal sleeve (2), constructed as a fluid tight bellows, presenting a plurality of first annular corrugations (5) and a pair of opposed cylindrical terminal ends (9, 10), free of corrugations, and opposed heads (3, 4) each being coaxially and fluid-tightly secured to a cylindrical end (9, 10) of the first bellows (2); in which a second flexible metal sleeve, fluid-tightly constructed in the shape of a bellows (12) is arranged within the first one, radially spaced from the first corrugations (5) and with its respective opposed cylindrical ends (13,14) free of corrugations radially coupled in contact with the cylindrical ends (9,10) of the first bellows (2); the second bellows (12) having second annular corrugations (15) which are smaller and larger in number than the first, axially squeezed at the base, in correspondence to their respective depressions (20) directed radially towards the outside to create towards a symmetry axis (A) of the second bellows (12) a substantially continuous flow-guide surface (21) which hydraulically shields towards the axis the ridges (16) of the second corrugations (15).
摘要翻译：一种解耦接头（1），包括：构造为流体密封波纹管的第一柔性金属套管（2），其呈现多个第一环形波纹（5）和一对相对的圆柱形端部端部（9,10）波纹和相对的头部（3,4），每个头部同轴地且流体密封地固定到第一波纹管（2）的圆柱形端部（9,10）上; 其中流体紧密地构造为波纹管（12）形状的第二柔性金属套筒布置在第一柔性金属套筒内，与第一波纹（5）径向间隔开并且其相应的相对的圆柱形端部（13,14）自由与第一波纹管（2）的圆柱形端部（9,10）接触地径向耦合的波纹; 所述第二波纹管（12）具有第二环形波纹（15），所述第二环形波纹（15）的数量小于在所述基座处轴向挤压的第一环形波纹（15），所述第二波纹管（15）对应于其相应的凹部（12）的第二波纹管（12）的第二波纹（12）的基部连续的流动引导表面（21），其朝着轴线液压地屏蔽第二波纹（15）的脊部（16）。

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