Patent ID: 9410719
Filing Date: 2016-08-09
CPC Classification: F23N,F24H

Claim Text:
1. A control system for controlling a gas powered appliance including at least one electrically actuated gas valve for selectively providing gas to a burner, the control system comprising: a power source to provide electrical power to control the at least one electrically actuated gas valve; a valve control system configured to selectively couple electrical power from the power source to the electrically actuated gas valve, the valve control system comprising: a first switch having an on state to permit current to pass through the first switch and an off state to prevent current from passing through the first switch; and a second switch having an on state to permit current to pass through the second switch and an off state to prevent current from passing through the second switch, the first switch and the second switch electrically connected in series between the power source and the electrically actuated gas valve; a controller operatively connected to the first switch and the second switch and configured to control the first switch and the second switch to selectively couple power from the power source to the electrically actuated gas valve; and wherein the first switch and the second switch each include a body diode having an anode and a cathode, and wherein first and second switches are connected in series with their anodes connected together.