2012080

Information

• Patent Grant
• 2012080

• References
• Source

• Patent Number

  2,012,080

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1935
  91 years ago

• CPC

  • F25J3/08 - Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
  • F25J3/0209 - Natural gas or substitute natural gas
  • F25J3/0257 - separation of nitrogen
  • F25J3/029 - of helium
  • F25J2200/02 - in a single pressure main column system
  • F25J2200/50 - using multiple (re-)boiler-condensers at different heights of the column
  • F25J2200/76 - Refluxing the column with condensed overhead gas being cycled in a quasi-closed loop refrigeration cycle
  • F25J2200/80 - using integrated mass and heat exchange
  • F25J2215/30 - Helium
  • F25J2270/02 - Internal refrigeration with liquid vaporising loop
  • F25J2270/04 - Internal refrigeration with work-producing gas expansion loop
  • F25J2270/42 - Quasi-closed internal or closed external nitrogen refrigeration cycle
  • F25J2280/30 - Control of a discontinuous or intermittent ("batch") process

• US Classifications

  • 062 - Refrigeration