Flexible union with passive compensation

Pipe joints or couplings – Flexible joint – rigid members


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285263, F16L 2710




A flexible union for connecting together two rigid tubular sections capable of oscillating with respect to each other, the union comprising elastic annular members each having its inner and outer faces connected to annular spherical surfaces bordering a gap separating from each other two rigid bodies each fast with or connected to a respective tubular section. Each elastic element is in one piece and adheres to the spherical annular surfaces between which it is located and the elastic elements delimit in said gap at least one closed annular chamber completely filled with a liquid which is little or not compressible.

patent: 939908 (1909-11-01), Greenlow
patent: 3643728 (1972-02-01), Hufse
patent: 3680895 (1972-08-01), Herbert et al.
patent: 4173360 (1979-11-01), Bergman
patent: 4183556 (1980-01-01), Schwemmer
Mechanical Engineering, Dec. 1973, p. 67.


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