Patent · US Expired

Liquefactor

US4285709A · kind A · utility

6Cited by
3References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 31, 1979
Grant dateAug 25, 1981
Priority date
Expiry dateMay 31, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S62/908
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An apparatus and a process for cleaning and liquifying an input gas. An engine operates on a portion of cleaned gas and discharges exhaust gases. A heat exchanger transfers heat from the exhaust gases to the portion of the cleaned gas. Apparatus for liquifying the cleaned gas is powered by the engines. Molecular sieves clean the input gas to produce the cleaned gas and are regenerated by the portion of the cleaned gas.

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