3237421

Information

• Patent Grant
• 3237421

• References
• Source

• Patent Number

  3,237,421

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1966
  58 years ago

• CPC

  • F25B9/145 - pulse-tube cycle
  • F25B9/10 - with several cooling stages
  • F25B2309/1407 - Pulse-tube cycles with pulse tube having in-line geometrical arrangements
  • F25B2309/1408 - Pulse-tube cycles with pulse tube having U-turn or L-turn type geometrical arrangements
  • F25B2309/1412 - Pulse-tube cycles characterised by heat exchanger details
  • F25B2309/1418 - Pulse-tube cycles with valves in gas supply and return lines
  • F25B2309/1419 - Pulse-tube cycles with pulse tube having a basic pulse tube refrigerator [PTR]
  • F25B2309/1421 - Pulse-tube cycles characterised by details not otherwise provided for

• US Classifications

  • 062 - Refrigeration
  • 165 - Heat exchange