3549088

Information

• Patent Grant
• 3549088

• References
• Source

• Patent Number

  3,549,088

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  54 years ago

• CPC

  • F23N5/203 - using electronic means
  • F23N5/143 - using electronic means
  • G05D23/303 - using a sensing element having a resistance varying with temperature
  • F23N5/18 - using detectors sensitive to rate of flow of air or fuel
  • F23N2025/08 - temperature
  • F23N2027/04 - Prepurge
  • F23N2027/28 - Ignition circuits
  • F23N2031/12 - for ignition failures
  • F23N2033/06 - at the air intake
  • F23N2039/04 - Gaseous fuels

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 431 - Combustion