3902841

Information

• Patent Grant
• 3902841

• References
• Source

• Patent Number

  3,902,841

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1975
  49 years ago

• CPC

  • F23N5/082 - using electronic means
  • F23N5/242 - using electronic means
  • F23N2029/08 - detecting flame flicker
  • F23N2029/22 - the sensor's sensivity being variable

• US Classifications

  • 431 - Combustion
  • 250 - Radiant energy