Supercharged diesel engine system based on EGR (exhaust gas recirculation) high pressure chamber
A high-pressure cavity and diesel engine technology, applied in the direction of charging system, mechanical equipment, engine components, etc., can solve the problems of lower pressure than the intake pressure, intake pressure back into the exhaust pipe, increase fuel consumption, etc., to reduce NOx The effect of emissions
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[0012] Hereinafter, the present invention will be described in more detail with examples in conjunction with the accompanying drawings:
[0013] Combine figure 1 , The technical solution of the present invention is realized in this way, the present invention includes: diesel engine 1, intake manifold 3, intake manifold 2, exhaust manifold 7, exhaust manifold 6, turbocharger 5, intake intercooler The structure of the device 4, the exhaust gas intercooler 11, the EGR valve 12, the EGR high-pressure chamber 9, the one-way stop valve 8, and the relief valve 13. A one-way stop valve 8 is installed at the inlet end of the EGR high-pressure chamber 9 connected to the exhaust manifold 6. One end of the EGR high-pressure chamber 9 is connected to the exhaust gas filter 10, and the other end is connected to the exhaust manifold 7, and is connected to the exhaust A relief valve 13 is installed at the outlet end connected to the main pipe 7.
[0014] When the diesel engine normally works sta...
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