3714942

Information

• Patent Grant
• 3714942

• References
• Source

• Patent Number

  3,714,942

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1973
  51 years ago

• CPC

  • A61B18/02 - by cooling
  • F17C9/02 - with change of state
  • F25J1/0017 - Oxygen
  • F25J1/004 - by flash gas recovery
  • F25J1/0221 - using the cold stored in an external cryogenic component in an open refrigeration loop
  • F25J1/0264 - Arrangement of heat exchanger cores in parallel with different functions
  • F25J1/0275 - adapted for special use of the liquefaction unit
  • F25J3/04975 - adapted for special use of the air fractionation unit
  • F25J3/04981 - for portable medical or home use
  • A61M16/10 - Preparation of respiratory gases or vapours
  • F17C2221/011 - Oxygen
  • F17C2223/0161 - cryogenic
  • F17C2250/0631 - Temperature
  • F25J2210/06 - Splitting of the feed stream
  • F25J2210/40 - Air or oxygen enriched air
  • F25J2210/42 - Nitrogen
  • F25J2220/40 - Separating high boiling, i.e. less volatile components from air
  • F25J2220/50 - Separating low boiling, i.e. more volatile components from oxygen
  • F25J2220/52 - Separating high boiling, i.e. less volatile components from oxygen

• US Classifications

  • 128 - Surgery
  • 062 - Refrigeration
  • 165 - Heat exchange