Swivel connector between a floating or semi-submerged structure and a riser or flow line

A hydrocarbon loading buoy has a connection element rotatable in a bearing supported by the buoy. When a riser pipe or conduit is connected to the connection element the pipe and element can rotate or swivel relative to the buoy. A lock mechanism on the buoy is operable to lock the connection elemen...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	N'GUYEN DUC, XUONG, SZABO, RENE
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS EQUIPMENT FOR SHIPPING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PIPES RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A hydrocarbon loading buoy has a connection element rotatable in a bearing supported by the buoy. When a riser pipe or conduit is connected to the connection element the pipe and element can rotate or swivel relative to the buoy. A lock mechanism on the buoy is operable to lock the connection element to the buoy so that the connection element is supported independently of the bearing. With the connection element locked the bearing can be serviced, or removed, while the buoy is in operation. In a preferred form, the lock mechanism includes wedges which move radially and engage a sloping surface of the connection element to move it axially into clamping engagement with the buoy.