Diesel engine with residual gas pressurized by air pump

The utility model relates to a diesel engine with residual gas pressurized by an air pump, which comprises an air pump 1, a one-way valve 2 connected with the air pump by a pipeline, a gas storage cylinder 3, pressure regulating valves 4 and 15 arranged at the upper part of the gas storage cylinder, a gas inlet pipe 11, a diesel engine and a cylinder head 12 which are connected with the pressure regulating valve 15 by the pipeline. The utility model is characterized in that a pressurizing regulating mechanism is arranged on the pipeline between the pressure regulating valve 15 and the gas inlet pipe 11. The utility model has the characteristics that the utility model can utilize an air pump arranged at an engine to automatically pressurize for the engine to cause fuel (oil) to be fully burned, the engine power is increased, the fuel is saved, the air pollution is reduced, the utility model can momentarily improve the engine power, etc.