Patent · US Expired

Cryogenic industrial gas liquefaction with hybrid refrigeration generation

US6041620A · kind A · utility

48Cited by
8References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 30, 1998
Grant dateMar 28, 2000
Priority date
Expiry dateDec 30, 2018

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25J2290/32
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method for liquefying an industrial gas wherein a portion of the requisite refrigeration is generated by a multicomponent refrigerant circuit and a portion is generated by turboexpansion of either a portion of the industrial gas or a portion of the multicomponent refrigerant.

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