3339370

Information

• Patent Grant
• 3339370

• References
• Source

• Patent Number

  3,339,370

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1967
  57 years ago

• CPC

  • F25J3/04272 - and comprising means for reducing the risk of pollution of hydrocarbons into the air fractionation
  • F17C9/04 - Recovery of thermal energy
  • F25J3/04054 - of air
  • F25J3/0406 - of nitrogen
  • F25J3/0409 - of oxygen
  • F25J3/04193 - Division of the main heat exchange line in consecutive sections having different functions
  • F25J3/04224 - Cores associated with a liquefaction or refrigeration cycle
  • F25J3/04242 - Cold end purification of the feed air
  • F25J3/04266 - and being liquefied hydrocarbons
  • F25J3/04278 - using external refrigeration units
  • F25J3/04351 - of nitrogen
  • F25J3/04412 - in a classical double column flowsheet
  • F17C2221/011 - Oxygen
  • F17C2221/014 - Nitrogen
  • F17C2221/031 - Air
  • F17C2221/033 - Methane
  • F17C2223/0161 - cryogenic
  • F17C2227/0341 - using another fluid
  • F17C2265/015 - by separating
  • F25J2205/24 - using regenerators, cold accumulators or reversible heat exchangers
  • F25J2205/60 - using adsorption on solid adsorbents
  • F25J2210/62 - Liquefied natural gas [LNG] Natural gas liquids [NGL] Liquefied petroleum gas [LPG]
  • F25J2230/08 - Cold compressor
  • F25J2270/12 - External refrigeration with liquid vaporising loop
  • F25J2270/42 - Quasi-closed internal or closed external nitrogen refrigeration cycle
  • F25J2270/904 - by liquid or gaseous cryogen in an open loop
  • Y10S62/912 - External refrigeration system

• US Classifications

  • 062 - Refrigeration