3772670

Information

• Patent Grant
• 3772670

• References
• Source

• Patent Number

  3,772,670

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • F23N5/082 - using electronic means
  • F23D14/60 - Devices for simultaneous control of gas and combustion air
  • F23D14/725 - Protection against flame failure by using flame detection devices
  • F23N2023/10 - Correlation
  • F23N2029/10 - comprising application of periodical fuel flow fluctuations
  • F23N2037/02 - two or more burners
  • Y10T137/1407 - Combustion failure responsive fuel safety cut-off for burners

• US Classifications

  • 431 - Combustion
  • 137 - Fluid handling
  • 340 - Communications: electrical