Patent · US Active

Gas purifying apparatus, gas purifying method and conveying heating apparatus

US11266925B2 · kind B2 · utility

0Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 28, 2019
Grant dateMar 8, 2022
Priority date
Expiry dateDec 4, 2039

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02G3/00
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A gas purifying apparatus has: a compressing unit for corn pressing a gas in which an atmosphere or inert gas and a substance vaporized by heating have been mixed; and an expanding unit for liquefying the substance by expanding the gas compressed by the compressing unit, wherein the gas in which the substance has been reduced is obtained.

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