Dewar vacuum maintenance systems for intermittently powered sensors
US11454229B1 · kind B1 · utility
1Cited by
5References
4Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 16, 2020 |
| Grant date | Sep 27, 2022 |
| Priority date | — |
| Expiry date | Sep 16, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J41/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Systems and methods that maintain a vacuum for a long period of time in a portable vacuum chamber are disclosed. Systems and methods for the maintenance of a vacuum in cryogenic Dewars for imaging systems with high gas loads using an integral pump and getter are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.