Non-hydrocarbon ultra-low temperature system for a refrigeration system
US6557358B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2001 |
| Grant date | May 6, 2003 |
| Priority date | — |
| Expiry date | Dec 17, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2205/22
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods and apparatus for non-hydrocarbon design of ultra-low temperature refrigeration systems, which are particularly suited a non-hydrocarbon ultra-low temperature refrigeration system that can safely be transported and applied in the field as needed without the risks associated with hydrocarbon ultra-low temperature refrigeration system are disclosed. An application of the non-hydrocarbon design of ultra-low temperature refrigeration system method and apparatus to freezers and the like is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.