Intelligen transient eliminator for an ignition system

Details Intelligen transient eliminator for an ignition system Intelligen transient eliminator for an ignition system

1993-06-02

1995-10-10

Price, Carl D.

Combustion

Timer, programmer, retarder or condition responsive control

Responsive to combustion chamber pressure

431 29, 431 31, 431 20, 236 15C, F23N 500, F23N 524

Patent

active

054565979

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

REFERENCES:
patent: 4518345 (1985-05-01), Mueller et al.
patent: 4915613 (1990-04-01), Landis et al.
patent: 4955806 (1990-09-01), Grunden et al.
patent: 5076780 (1991-12-01), Erdman
patent: 5169301 (1992-12-01), Donnelly et al.
patent: 5186386 (1992-02-01), Lynch

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