In the ignition system of a gasoline engine, it is a component that transmits high-voltage current to the spark plugs of each cylinder in accordance with the ignition sequence of the cylinders. In the battery ignition system, the distributor and the igniter are usually installed on the same shaft and driven by the camshaft. At the same time, it also has an ignition advance angle adjustment device and a capacitor.
The power-off arm of the igniter uses a spring sheet to close the contact, and the camshaft drives the power-off cam to open the contact. The opening gap is about 0.30 to 0.45 mm. The number of protrusions of the power-off cam is the same as the number of cylinders. When the contact is opened, the distributor arm of the distributor is exactly aligned with the corresponding side electrode, and the high voltage generated by induction is transmitted from the secondary coil to the spark plug of the corresponding cylinder through the distributor arm, side electrode, and high-voltage wire.
