Patent · US Expired

Non-hydrocarbon ultra-low temperature system for a refrigeration system

US6557358B2 · kind B2 · utility

8Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 17, 2001
Grant dateMay 6, 2003
Priority date
Expiry dateDec 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.