Advance instrumentation methods for pipes and conduits transporting cryogenic materials
US8127801B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Apr 28, 2008 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Oct 18, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L59/141
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A cryogenic material transfer system incorporates a pipe-in-pipe configuration with a nanoporous or microporous insulating layer filling the annulus between the inner and outer pipe. The insulating layer is of sufficient flexibility to absorb and expansion or contraction of the inner pipe due to the flow of cryogenic material therethrough. For longer transfer systems a bulkhead is provided between adjacent pipe joints. Intermediately of the pipe joints an additional bulkhead may be employed to provide additional sealing or water stops and for providing provide additional load transfer. A fiber optic sensor system is installed in the annuals between the inner and outer pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.