With the development of gasoline engines in automobiles towards high speed, high compression ratio, high power, low fuel consumption, and low emissions, traditional ignition devices are no longer suitable for use. The core components of ignition devices are ignition coils and switch devices. By increasing the energy of the ignition coils, the spark plug can generate sufficient energy to produce sparks, This is the basic condition for the ignition device to adapt to the operation of modern engines. The ignition coil is divided into two types according to the magnetic circuit: open magnetic and closed magnetic. The traditional ignition coil is used with an open magnetic type, and its iron core is stacked with about 0.3 millimeters of silicon steel, with secondary and primary coils wound around the iron core. The closed magnetic type uses an iron core similar to III to wrap around the primary coil, and then wraps around the secondary coil outside. The magnetic field line is composed of an iron core to form a closed magnetic circuit. The advantage of the closed magnetic ignition coil is that it has less magnetic leakage, Due to its small energy loss and volume, electronic ignition systems generally use closed field ignition coils)
Volkswagen CROSSPOLO, one of the sedan brand series The CrossPolo, developed as an SUV with a crossover concept of sporty and sedan, features sporty seats and a sporty interior in addition to its exterior, muscular package, and high bottom plate, highlighting the fashion lifestyle philosophy that CrossPolo advocates Cross is a new design concept of Volkswagen in Germany, which combines the characteristics of multiple car categories to develop new models with more driving pleasure. As a cross-border model, CROSSPOLO integrates the strengths of fashion, off-road, sports cars, station wagons, and other brands well. The overall design is called for by personality, striving to attract young people in Europe who focus on enjoying life and pursuing fashion. Although it is unlikely to be very popular, But its personality will still attract some loyal buyers
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