Patent ID: 8986000
Filing Date: 2015-03-24
Classification: F23D,F23N

Abstract:
1. A method for detection and ignition, comprising: providing a flame rod having a first end at a flame location of a burner; covering a portion of the flame rod with an insulator at a predefined distance from the first end of the flame rod; determining whether there is a flame at the burner by detecting a voltage, if any, on the flame rod caused by a field of ionization gas of a flame; and igniting the burner with a voltage spark from the flame rod to start a flame at the burner; and wherein the insulator eliminates effects of moisture to prevent an electrical malfunction of the flame rod which makes the flame rod inoperable relative to detecting a voltage on the flame rod caused by a field of ionization gas of a flame or relative to igniting the burner with a voltage spark.