Frame structure integral air flue for multi-valve diesel engine
A frame structure, diesel engine technology, applied in mechanical equipment, engine components, machines/engines, etc., can solve the problems affecting the economy and emission level of diesel engines, uneven combustion of each cylinder, inconsistent swirl ratio, etc., to improve the quality of castings and The effect of production efficiency, reduced assembly errors, improved economy and emission levels
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[0010] The structural principle of the present invention will be further described below in conjunction with the accompanying drawings and taking a four-cylinder diesel engine as an example, but the content covered by the present invention is not limited to the following embodiments.
[0011] The frame structure of the four-valve diesel engine has an integrated air passage. The structure is: the outer frame 1 of the air passage is provided with 4 cylinders 2, and each cylinder is provided with a tangential intake port 3, a spiral intake port 4 and a parallel exhaust port 5. The tangential intake port, spiral intake port and parallel exhaust port are evenly distributed around the cylinder. The two branches of the parallel exhaust port are connected to the first exhaust valve 6-1 and the second exhaust valve 6 respectively. 2 is connected, the tangential intake port communicates with the first intake valve 7-1; the spiral intake port communicates with the second intake valve 7-2. T...
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