3131547

Information

• Patent Grant
• 3131547

• References
• Source

• Patent Number

  3,131,547

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1964
  60 years ago

• CPC

  • F25J3/044 - using a single pressure main column system only
  • F25J3/04278 - using external refrigeration units
  • F25J3/04866 - Construction and layout of air fractionation equipments
  • F25J2200/50 - using multiple (re-)boiler-condensers at different heights of the column
  • F25J2240/02 - Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion)
  • F25J2270/14 - External refrigeration with work-producing gas expansion loop
  • F25J2270/16 - with mutliple gas expansion loops of the same refrigerant
  • F25J2270/30 - Quasi-closed internal or closed external helium refrigeration cycle
  • F25J2270/60 - Closed external refrigeration cycle with single component refrigerant [SCR]
  • Y10S62/91 - Expander

• US Classifications

  • 062 - Refrigeration
  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices