3257814

Information

• Patent Grant
• 3257814

• References
• Source

• Patent Number

  3,257,814

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1966
  59 years ago

• CPC

  • F25J3/04872 - Vertical layout of cold equipments within in the cold box
  • F25J3/04278 - using external refrigeration units
  • F25J3/04303 - Lachmann expansion
  • F25J3/04309 - of nitrogen
  • F25J3/04315 - Lowest pressure or impure nitrogen, so-called waste nitrogen expansion
  • F25J3/04393 - using multiple or multistage gas work expansion
  • F25J3/04624 - using integrated mass and heat exchange, so-called non-adiabatic rectification
  • F25J2200/02 - in a single pressure main column system
  • F25J2200/04 - in a dual pressure main column system
  • F25J2205/02 - using simple phase separation in a vessel or drum
  • F25J2205/24 - using regenerators, cold accumulators or reversible heat exchangers
  • F25J2215/50 - Oxygen or special cases
  • F25J2240/46 - the fluid being oxygen
  • F25J2245/40 - the recycled stream being air
  • F25J2250/42 - One fluid being nitrogen
  • F25J2250/50 - One fluid being oxygen
  • F25J2270/14 - External refrigeration with work-producing gas expansion loop
  • F25J2270/42 - Quasi-closed internal or closed external nitrogen refrigeration cycle

• US Classifications

  • 062 - Refrigeration