Intelligent transient eliminator for an ignition system

Details Intelligent transient eliminator for an ignition system Intelligent transient eliminator for an ignition system

F - Mech Eng,Light,Heat,Weapons

23

Q

F23Q 13/00 (2006.01) F23N 5/20 (2006.01) F23N 5/18 (2006.01) F23N 5/24 (2006.01)

Patent

CA 2119846

Abstract The present invention relates to an intelligent transient eliminator (12) which allows a gas ignition system to prevent gas valves (22) from being turned off by a pressure switch (18) in response to a transient pressure wave. The transient eliminator (12) is preferably provided in a HVAC unit or furnace (10) which burns a fuel such as natural gas. An ignition control system employing an intelligent transient eliminator (12) provides a secondary relay (44) across the pressure switch (18). The secondary relay (44) is controlled by a signal to an ignitor (24) in the furnace (10). The secondary switch (44) is tested before energizing the inducer/blower (14) in the system.

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