3817044

Information

• Patent Grant
• 3817044

• References
• Source

• Patent Number

  3,817,044

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • F04B37/06 - for evacuating by thermal means
  • F02G1/0445 - Engine plants with combined cycles
  • F25B9/145 - pulse-tube cycle
  • F02G2250/18 - Vuilleumier cycles
  • F25B2309/006 - using a distributing valve of the rotary type
  • F25B2309/1408 - Pulse-tube cycles with pulse tube having U-turn or L-turn type geometrical arrangements
  • F25B2309/1418 - Pulse-tube cycles with valves in gas supply and return lines
  • F25B2309/14181 - the valves being of the rotary type
  • F25B2309/1421 - Pulse-tube cycles characterised by details not otherwise provided for

• US Classifications

  • 062 - Refrigeration