10 Facts About Ignition system

An ignition system generates a spark or heats an electrode to a high temperature to ignite a fuel-air mixture in spark ignition internal combustion engines, oil-fired and gas-fired boilers, rocket engines, etc.

Some engines, such as aircraft but the Ford Model T, used a Ignition system which relied on non rechargeable dry cells, to start the engine or for starting and running at low speed.

An improved ignition system was developed by the Dayton Engineering Laboratories Co.

The Kettering system became the primary ignition system for many years in the automotive industry due to its lower cost, and relative simplicity.

Ignition system is typically controlled by a key operated Ignition switch.

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Distributor-based Ignition system is not greatly different from a magneto Ignition system except that more separate elements are involved.

Disadvantage of the mechanical Ignition system is the use of breaker points to interrupt the low-voltage high-current through the primary winding of the coil; the points are subject to mechanical wear where they ride the cam to open and shut, as well as oxidation and burning at the contact surfaces from the constant sparking.

The lack of moving parts compared with the mechanical Ignition system leads to greater reliability and longer service intervals.

Primary sensors on the Ignition system are crankshaft angle, airflow into the engine and throttle position.

Gas turbine engines, including jet engines, have a CDI Ignition system using one or more igniter plugs, which are only used at startup or in case the combustor flame goes out.