1951183

Information

• Patent Grant
• 1951183

• References
• Source

• Patent Number

  1,951,183

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1934
  90 years ago

• CPC

  • F25J3/04818 - Start-up of the process
  • F25J3/04296 - Claude expansion
  • F25J3/04412 - in a classical double column flowsheet
  • F25J3/04624 - using integrated mass and heat exchange, so-called non-adiabatic rectification
  • F25J3/04642 - Recovering noble gases from air
  • F25J2200/32 - using a side column fed by a stream from the high pressure column
  • F25J2200/54 - in the low pressure column of a double pressure main column system
  • F25J2205/02 - using simple phase separation in a vessel or drum
  • F25J2215/30 - Helium
  • F25J2215/32 - Neon
  • F25J2245/40 - the recycled stream being air
  • F25J2250/20 - Boiler-condenser with multiple exchanger cores in parallel or with multiple re-boiling or condensing streams
  • F25J2250/40 - One fluid being air
  • F25J2250/42 - One fluid being nitrogen
  • F25J2250/50 - One fluid being oxygen

• US Classifications

  • 062 - Refrigeration