3657898

Information

• Patent Grant
• 3657898

• References
• Source

• Patent Number

  3,657,898

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • F25B9/06 - using expanders
  • F01D1/08 - having inward flow
  • F01D15/005 - Adaptations for refrigeration plants
  • F25J1/0015 - Nitrogen
  • 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
  • F25J1/0236 - providing refrigeration for different processes treating not the same feed stream
  • F25J1/0279 - Compression of refrigerant or internal recycle fluid
  • F25J1/0288 - using work extraction by mechanical coupling of compression and expansion of the refrigerant, so-called companders
  • F25J3/04224 - Cores associated with a liquefaction or refrigeration cycle
  • F25J3/04278 - using external refrigeration units
  • F25J3/04357 - and comprising a gas work expansion loop
  • F25J3/04381 - using work extraction by mechanical coupling of compression and expansion so-called companders
  • F25J3/04393 - using multiple or multistage gas work expansion
  • F25J3/04866 - Construction and layout of air fractionation equipments
  • F25J2230/20 - Integrated compressor and process expander Gear box arrangement Multiple compressors on a common shaft
  • F25J2240/02 - Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion)
  • F25J2270/06 - with multiple gas expansion loops
  • F25J2270/90 - External refrigeration

• US Classifications

  • 062 - Refrigeration