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In natural gas furnaces, water heaters, and room heating systems, a safety cut-off switch is normally included so that the gas supply to the pilot and heating system is shut off by an electrically operated valve if the pilot light goes out. This cut-off switch usually detects the pilot light in one of several ways: A flame rectification device. [2]
An ignition magneto (also called a high-tension magneto) is an older type of ignition system used in spark-ignition engines (such as petrol engines). It uses a magneto and a transformer to make pulses of high voltage for the spark plugs. The older term "high-tension" means "high-voltage".
Accidents have occurred during lone pilot hand starting, high throttle settings, brakes not applied or wheel chocks not being used, all resulting in aircraft moving off without the pilot at the controls. [4] "Turning the engine" with the ignition and switches accidentally left "on" can also cause injury, as the engine can start unexpectedly ...
Ignition switch - Activates the magnetos by opening the grounding or 'p-lead' circuit; with the p-lead ungrounded the magneto is free to send its high-voltage output to the spark plugs. In most aircraft the ignition switch also applies power to the starter motor during engine start.
A full authority digital engine (or electronics) control (FADEC) is a system consisting of a digital computer, called an "electronic engine controller" (EEC) or "engine control unit" (ECU), and its related accessories that control all aspects of aircraft engine performance.
In the pilot trial, the pilot solenoid is opened and the ignition transformer is turned on. The fuel is lit to make sure the pilot flame stays lit. There is a flame detection device that will shut down the fuel valve if the flame fails or goes out
Articles relating to ignition systems, which generate a spark or heat an electrode to a high temperature to ignite a fuel-air mixture. Subcategories This category has only the following subcategory.
This eliminates the need for a pilot flame, which wastes energy. Most of these sparking device-equipped ranges require the user to control the ignition sparking manually, resulting in a three-step process required to operate the burner: turn burner knob to a position that opens the gas valve and activates the sparking (typically labelled "Light")
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