When the diesel engine starts, because of the external low temperature, it is difficult to start the engine cycle by relying on the process of intake, compression, explosion and exhaust circulation. At this time, it is necessary to subsidize heating. This device is located in the preheating chamber above the engine cylinder, below the injector. When the diesel is sprayed with atomization, it will be heated by the preheating plug. When the oil and gas is compressed, it is easy to explode, start the engine cycle, to achieve normal engine cycle work.
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