Patent · US Expired

Refrigeration system

US7152428B2 · kind B2 · utility

8Cited by
14References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 2004
Grant dateDec 26, 2006
Priority date
Expiry dateMar 22, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25J2270/902
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A refrigeration process is disclosed that employs a mixed refrigerant to chill a process gas stream in which a second stream is cooled against rewarming vaporized mixed refrigerant at low pressure and subsequently is at least partially vaporized against at least partially condensed mixed refrigerant at a higher pressure.

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