188F Generator Spark Plug
The spark plug is also known as fire mouth, it is the role of the high voltage wire sent by pulsed high voltage discharge between two electrodes, breakdown spark plug spark to ignite the air, the mixture gas in an air cylinder. High performance engine basic conditions: high energy spark, mixed evenly mixed gas, high compression ratio.
In accordance with the calorific value discretion, cold and hot type; in accordance with the electrode material, a nickel alloy, silver and platinum alloy; if a more professional look, the spark plug of the type generally has the following several kinds:
1) associate type spark plug:
The insulator skirt is slightly retracted into the housing end, a side electrode on the end surface of the shell, is one of the most widely used.
2) edge protrusion type spark plug:
Insulator skirt long, protruding from the end surface of the shell outside. It has a large heat absorption, stain resistant capability, and can be directly affected by the inlet air cooling and reducing the temperature, so it is not easy to be hot ignition, so the thermal adaptation range.
3) electrode spark plug:
The electrode is very fine, is characteristic of strong ignition spark, good ability in the cold season, also can ensure the engine quickly and reliably start, thermal range is wide, can meet a variety of purposes.
4) seat type spark plug:
The shell and the screw made of tapered, so don’t washer can keep good sealing, thereby reducing the volume of the spark plug on engine design, more favorable.
5) pole type spark plug:
The side electrode is generally two or more than two, has the advantages of reliable ignition, gap without frequent adjustment, so the electrode easily ablated and the spark plug gap can not be adjusted frequently some gasoline engines often use.
6) surface flashover type spark plug:
The surface gap type, it is one of the most cold type spark plug, the central electrode and the end surface of the shell and the gap between the concentric.

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Tags: Generator Parts, Generator Spark Plug