Patent · US Expired

Cryogenic ultra cold hybrid liquefier

US6205812A · kind A · utility

23Cited by
9References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 1999
Grant dateMar 27, 2001
Priority date
Expiry dateDec 3, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B30/00
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A system for effectively generating refrigeration for use in putting a product fluid into an ultra cold condition wherein an active magnetic regenerator or a multicomponent refrigerant fluid cycle is integrated with a pulse tube system for receiving heat generated by the pulse tube system.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.