2765637

Information

• Patent Grant
• 2765637

• References
• Source

• Patent Number

  2,765,637

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1956
  68 years ago

• CPC

  • F25J3/0233 - separation of CnHm with 1 carbon atom or more
  • F25J3/0209 - Natural gas or substitute natural gas
  • F25J3/0257 - separation of nitrogen
  • F25J3/04715 - The auxiliary column system simultaneously produces oxygen
  • F25J3/04872 - Vertical layout of cold equipments within in the cold box
  • F25J2200/04 - in a dual pressure main column system
  • F25J2200/06 - in a classical double column flow-sheet
  • F25J2200/08 - in a triple pressure main column system
  • F25J2200/10 - in a quadruple, or more, column or pressure system
  • F25J2200/34 - using a side column fed by a stream from the low pressure column
  • F25J2200/52 - in the high pressure column of a double pressure main column system
  • F25J2200/80 - using integrated mass and heat exchange
  • F25J2205/02 - using simple phase separation in a vessel or drum
  • F25J2230/58 - the fluid being argon or crude argon
  • F25J2250/40 - One fluid being air
  • F25J2250/50 - One fluid being oxygen
  • F25J2270/06 - with multiple gas expansion loops
  • F25J2270/42 - Quasi-closed internal or closed external nitrogen refrigeration cycle
  • F25J2290/40 - Vertical layout or arrangement of cold equipments within in the cold box

• US Classifications

  • 062 - Refrigeration