Burner control apparatus with stabilized pilot flame timing...

Details Burner control apparatus with stabilized pilot flame timing... Burner control apparatus with stabilized pilot flame timing...

F - Mech Eng,Light,Heat,Weapons

23

N

341/19

F23N 5/02 (2006.01) F23N 5/20 (2006.01) F23Q 9/14 (2006.01)

Patent

CA 1118871

ABSTRACT OF THE DISCLOSURE Burner control apparatus includes a control device for actuating an ignition control means, and a timing circuit for providing an ignition timing interval which extends beyond flame detection for a timed interval. The timing circuit is actuated in response to a request for burner operation and the control device is energized in response to the actuated timing circuit. The control device is maintained energized if a signal from the flame sensor is received before the end of the ignition timing interval, and the control device is deenergized and lockout cir- cuitry is energized in the absence of a signal from the flame sensor. Main fuel supply is delayed for the timed interval to provide pilot flame stabilization. -1-

315618

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