the fuel injection system must accurately meter the fuel in response to required output, then inject it into the cylinder as a finely atomized spray in order to enable complete combustion. without exception, modern oil burning diesel engines achieve these goals with solid injection systems.of the three types of solid injection system, the most commonly applied is the jerk pump system. common rail system and distributor pump systems are confined in their application to the smaller, higher speed engines, although the large Doxford opposed piston engines, which remained in production until 1981, had common rail systems. only the jerk pump system will be decribed.
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