3814569

Information

• Patent Grant
• 3814569

• References
• Source

• Patent Number

  3,814,569

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1974
  50 years ago

• CPC

  • F23N5/22 - with a time programme acting through mechanical means
  • F23N5/18 - using detectors sensitive to rate of flow of air or fuel
  • F23N2027/04 - Prepurge
  • F23N2027/06 - Postpurge
  • F23N2027/28 - Ignition circuits
  • F23N2029/00 - Flame sensors
  • F23N2031/20 - Warning devices
  • F23N2033/06 - at the air intake

• US Classifications

  • 431 - Combustion
  • 432 - Heating