Method and apparatus for maintaining apparatus at cryogenic temperatures over an extended period without active refrigeration
US7497086B2 · kind B2 · utility
7Cited by
15References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2006 |
| Grant date | Mar 3, 2009 |
| Priority date | — |
| Expiry date | Oct 26, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F6/04
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present provides a cryogenic thermal battery arrangement for maintaining a superconducting magnet coil or similar apparatus at cryogenic temperature for a required shipping period, such as thirty days, without consuming a significant amount of costly cryogen. According to another aspect, the invention allows extended shipping periods without incurring excessive costs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.