Pipe joints or couplings – Swivel
Reexamination Certificate
2008-03-04
2008-03-04
Dunwoody, Aaron (Department: 3679)
Pipe joints or couplings
Swivel
C285S047000, C285S121600, C285S281000, C285S904000
Reexamination Certificate
active
10530711
ABSTRACT:
A swivel joint system for a cryogenic liquid transfer line, such as a liquefied natural gas line, and for return of cold gas associated with the cryogenic liquid transfer. The system includes a swivel joint for the passage of the cryogenic liquid and a swivel joint for the return of the cold gas. Each swivel joint includes a conduit with a fixed conduit portion and a rotating conduit portion, rotating relative to the fixed conduit portion, and a rotational guide interposed between the fixed and rotating conduit portions. 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.
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Dunwoody Aaron
Kee Fannie C.
Leydig , Voit & Mayer, Ltd.
Societe Europeenne d'Ingeniere Mecanique-Eurodim
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