3280574

Information

• Patent Grant
• 3280574

• References
• Source

• Patent Number

  3,280,574

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1966
  59 years ago

• CPC

  • F25J3/04393 - using multiple or multistage gas work expansion
  • F25J3/0406 - of nitrogen
  • F25J3/0409 - of oxygen
  • F25J3/04224 - Cores associated with a liquefaction or refrigeration cycle
  • F25J3/04296 - Claude expansion
  • F25J3/04303 - Lachmann expansion
  • F25J3/04309 - of nitrogen
  • F25J3/04357 - and comprising a gas work expansion loop
  • F25J3/04412 - in a classical double column flowsheet
  • F25J3/0443 - A main column system not otherwise provided
  • F25J3/04442 - in a double column flowsheet with a high pressure pre-rectifier
  • F25J2205/24 - using regenerators, cold accumulators or reversible heat exchangers
  • F25J2205/30 - using a washing
  • F25J2215/42 - Nitrogen or special cases
  • F25J2215/44 - Ultra high purity nitrogen
  • F25J2235/42 - the fluid being nitrogen
  • F25J2245/42 - the recycled stream being nitrogen
  • Y10S62/909 - Regeneration

• US Classifications

  • 062 - Refrigeration