3857251

Information

• Patent Grant
• 3857251

• References
• Source

• Patent Number

  3,857,251

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • F25J3/0257 - separation of nitrogen
  • F17C9/04 - Recovery of thermal energy
  • F25J1/0025 - Boil-off gases "BOG" from storages
  • F25J1/005 - by expansion of a gaseous refrigerant stream with extraction of work
  • F25J1/0052 - by vaporising a liquid refrigerant stream
  • F25J1/0072 - Nitrogen
  • F25J1/0202 - in a quasi-closed internal refrigeration loop
  • F25J1/0204 - as a single flow SCR cycle
  • F25J1/0221 - using the cold stored in an external cryogenic component in an open refrigeration loop
  • F25J1/025 - Details related to the refrigerant production or treatment
  • F25J1/0251 - Intermittent or alternating process, so-called batch process
  • F25J1/0277 - Offshore use
  • F25J1/0281 - characterised by the type of prime driver
  • F25J1/0282 - Steam turbine as the prime mechanical driver
  • F25J1/0284 - Electrical motor as the prime mechanical driver
  • F25J1/0288 - using work extraction by mechanical coupling of compression and expansion of the refrigerant, so-called companders
  • F25J3/0209 - Natural gas or substitute natural gas
  • F25J3/0233 - separation of CnHm with 1 carbon atom or more
  • F17C2265/015 - by separating
  • F25J2200/02 - in a single pressure main column system
  • F25J2200/74 - Refluxing the column with at least a part of the partially condensed overhead gas
  • F25J2210/62 - Liquefied natural gas [LNG] Natural gas liquids [NGL] Liquefied petroleum gas [LPG]
  • F25J2210/90 - Boil-off gas from storage
  • F25J2215/04 - Recovery of liquid products
  • F25J2220/62 - Separating low boiling components
  • F25J2230/20 - Integrated compressor and process expander Gear box arrangement Multiple compressors on a common shaft
  • F25J2270/16 - with mutliple gas expansion loops of the same refrigerant

• US Classifications

  • 062 - Refrigeration