| 摘要 |
<p>The invention concerns a swivel joint system designed to be mounted in a cryogenic liquid transfer line, such as liquefied natural gas, and the return of cold gas associated with the cryogenic liquid transfer. The system is of the type comprising a swivel joint for the passage of the cryogenic liquid and a swivel joint for the return of the cold gas, each device comprising a conduit (12, 29) provided with a fixed conduit portion (12a, 29a) and a conduit portion rotating (12b, 29b) relative to the fixed conduit portion and rotational guiding means (44) interposed between the two conduit portions. The system is characterized in that the swivel joint device for the passage of the gas return is integrated in the swivel joint device for the passage of the cryogenic liquid. The invention is useful for offshore stations.</p> |
