Swivel joint system
US7338091B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 10, 2003 |
| Grant date | Mar 4, 2008 |
| Priority date | — |
| Expiry date | Oct 10, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S285/904
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.