.~ Sensor of first burner controls second burner, e.g., pilot and main, etc. {8}
59
.~.~ Electrical or magnetic sensor controls second burner
DEFINITION
Classification: 431/59
(under subclass 42) Apparatus wherein the first burner sensor is an electrical type sensor; e.g., burner flame completes electrical circuit, thermocouple; magnetic valve or magnetic switch responsive to the heat of the burner, photoelectric, heat responsive resistor (thermistor) etc.
SEE OR SEARCH CLASS
137, Fluid Handling,
66, for a shutdown valve in a burner feed line and a thermoelectric flame sensor which causes closing of said valve in response to sensed flame failure (e.g., main burner line and pilot sensor etc.).
