2959021

Information

• Patent Grant
• 2959021

• References
• Source

• Patent Number

  2,959,021

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1960
  64 years ago

• CPC

  • F25J3/0409 - of oxygen
  • F25J1/0012 - Primary atmospheric gases
  • F25J1/0037 - of a return stream
  • F25J1/004 - by flash gas recovery
  • F25J1/0224 - in combination with an internal quasi-closed refrigeration loop
  • F25J1/0234 - Integration with a cryogenic air separation unit
  • F25J1/0245 - Different modes
  • F25J3/04163 - Hot end purification of the feed air
  • F25J3/04224 - Cores associated with a liquefaction or refrigeration cycle
  • F25J3/04254 - using the cold stored in external cryogenic fluids
  • F25J3/04345 - and comprising a gas work expansion loop
  • F25J3/04393 - using multiple or multistage gas work expansion
  • F25J3/04412 - in a classical double column flowsheet
  • F25J3/04515 - Simultaneously changing air feed and products output
  • F25J3/04963 - and inter-connecting equipment within or downstream of the fractionation unit(s)
  • F25J2205/24 - using regenerators, cold accumulators or reversible heat exchangers
  • F25J2210/50 - Oxygen
  • F25J2235/50 - the fluid being oxygen
  • F25J2270/06 - with multiple gas expansion loops
  • F25J2290/62 - Details of storing a fluid in a tank
  • Y10S62/913 - Liquified gas

• US Classifications

  • 062 - Refrigeration