Rotatable swivel for one or more conduits
AssigneeSingle Buoy Moorings Inc.
InventorJan A. Foolen
Life of this patent
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Abstract
The invention relates to a rotatable swivel for one or more conduits said swivel comprising a plurality of annual chambers (4) formed by identical inner and outer wall portions (3 and 2 respectively), said wall portions (3,2) being rotatably supported with respect to each other by means of inner and outer bearing race ways (7 and 10 respectively) which are connected to an end face of the corresponding inner and outer wall portions (3,2). The outer wall portions (2) may be interconnected by means of bolts (15) and the inner wall portions (3) by means of cams (19) engaging into recesses (17, 18) or a ring (16) located at the level of the bearings (6) present between adjacent chambers (4).
Claims7
In a rotatable swivel for conduits comprising annular chambers each of which includes a fixed wall portion and a wall portion rotatably mounted with respect thereto, said wall portions being supported on each other by means of radially and axially operative bearings and being sealed with respect to each other, each wall portion having inlet and outlet line connections;
- the improvement in which all chambers are the same in such a manner that all inner wall portions (3) are identical and all outer wall portions (2) are identical, said inner wall portions (3) surrounding a central aperture through which said connections (11, 13) run.
Dependencies are inferred from the claim text.