Accelerated cooldown of low-cryogen magnetic resonance imaging (MRI) magnets
US11977139B2 · kind B2 · utility
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2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2020 |
| Grant date | May 7, 2024 |
| Priority date | — |
| Expiry date | Dec 18, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F6/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus (200) includes: a cryostat (214) containing a volume of cryogenic fluid; one or more superconducting coils (202) within the cryostat; a sealed cooling system (204) within the cryostat and configured to maintain the one or more superconducting coils n a persistent state; and a second cooling system (210) having a first portion in contact with the sealed cooling system within the cryostat, a second portion extending outside of the cryostat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.