3358460

Information

• Patent Grant
• 3358460

• References
• Source

• Patent Number

  3,358,460

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1967
  57 years ago

• CPC

  • F25J3/0423 - Subcooling of liquid process streams
  • F25J1/0015 - Nitrogen
  • F25J1/0017 - Oxygen
  • F25J1/0037 - of a return stream
  • F25J1/004 - by flash gas recovery
  • F25J1/0208 - in combination with an internal quasi-closed refrigeration loop
  • F25J1/0234 - Integration with a cryogenic air separation unit
  • F25J1/0288 - using work extraction by mechanical coupling of compression and expansion of the refrigerant, so-called companders
  • F25J3/04157 - Afterstage cooling and so-called "pre-cooling" of the feed air upstream the air purification unit and main heat exchange line
  • F25J3/04224 - Cores associated with a liquefaction or refrigeration cycle
  • F25J3/04242 - Cold end purification of the feed air
  • F25J3/04278 - using external refrigeration units
  • F25J3/04303 - Lachmann expansion
  • F25J3/04357 - and comprising a gas work expansion loop
  • F25J3/04393 - using multiple or multistage gas work expansion
  • F25J3/04412 - in a classical double column flowsheet
  • F25J3/04854 - Safety aspects of operation
  • F25J2205/04 - in the feed line
  • F25J2205/60 - using adsorption on solid adsorbents
  • F25J2230/08 - Cold compressor
  • F25J2230/42 - the fluid being nitrogen
  • F25J2235/50 - the fluid being oxygen
  • F25J2245/90 - the recycled stream being boil-off gas from storage
  • F25J2270/06 - with multiple gas expansion loops
  • F25J2270/90 - External refrigeration
  • F25J2290/10 - Mathematical formulae, modeling, plot or curves Design methods
  • F25J2290/34 - Details about subcooling of liquids
  • F25J2290/62 - Details of storing a fluid in a tank
  • Y10S62/913 - Liquified gas

• US Classifications

  • 062 - Refrigeration