Ignition system
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Ignition systems are used by heat engines to initiate combustion by igniting the fuel-air mixture. In a spark ignition versions of the internal combustion engine, the ignition system creates a spark t
Coil-on-plug ignition device
Distributor cap
Ignition magneto
Rotor contacts inside distributor cap
Induction coil
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An induction coil or "spark coil" is a type of transformer used to produce high-voltage pulses from a low-voltage direct current supply. To create the flux changes necessary to induce voltage in the s
Antique induction coil used in schools from around 1900, Bremerhaven, Germany
Early coil by Charles G. Page, 1838, had one of the first automatic interrupters. The cup was filled with mercury. The magnetic field attracted the iron piece on the arm (left), lifting the wire out of the cup, breaking the primary circuit.
The first induction coil, built by Nicholas Callan, 1836.
Modern automobile ignition coil, the largest remaining use for induction coils