Dual pressure-retaining manway system
US9835294B2 · kind B2 · utility
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15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2015 |
| Grant date | Dec 5, 2017 |
| Priority date | — |
| Expiry date | Oct 3, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
According to some embodiments, a cryogenic storage tank includes a manway formed in a body of the cryogenic storage tank. An inner manway lid is coupled to an inner wall of the cryogenic storage tank and disposed over at least a portion of the manway. An outer manway lid is coupled to an outer wall of the cryogenic storage tank and disposed over at least a portion of the manway. The inner and outer manway lids are configured to retain pressure within the cryogenic storage tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.