3609984

Information

• Patent Grant
• 3609984

• References
• Source

• Patent Number

  3,609,984

• Date Filed

  Not available

• Date Issued

  Tuesday, October 5, 1971
  53 years ago

• CPC

  • F25J1/0205 - as a dual level SCR refrigeration cascade
  • F25J1/0005 - Light or noble gases
  • F25J1/0007 - Helium
  • F25J1/001 - Hydrogen
  • F25J1/0042 - by liquid expansion with extraction of work
  • F25J1/005 - by expansion of a gaseous refrigerant stream with extraction of work
  • F25J1/0052 - by vaporising a liquid refrigerant stream
  • F25J1/0065 - Helium
  • F25J2215/32 - Neon
  • F25J2270/16 - with mutliple gas expansion loops of the same refrigerant
  • Y10S62/923 - Inert gas
  • Y10S62/933 - From helium

• US Classifications

  • 062 - Refrigeration