3717993

Information

• Patent Grant
• 3717993

• References
• Source

• Patent Number

  3,717,993

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1973
  51 years ago

• CPC

  • F02G1/055 - Heaters or coolers
  • F02G2270/425 - the displacer being driven by a four-bar mechanism

• US Classifications

  • 060 - Power plants
  • 123 - Internal-combustion engines
  • 165 - Heat exchange