Low-pressure EGR (Exhaust Gas Recirculation) system

In order to solve the problems of system function failure, complex system structure and the like caused by low exhaust gas pressure of the EGR system, the utility model provides a low-pressure EGR system which comprises an engine body and an EGR assembly, the engine body comprises a cylinder, a turb...

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Bibliographische Detailangaben
Hauptverfasser:	SUN WENCHANG, HOU LINGCHUAN, DING BIN, CAO BING, LI DEQIANG, LI HUIMEI, YANG JIE, LI HE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	In order to solve the problems of system function failure, complex system structure and the like caused by low exhaust gas pressure of the EGR system, the utility model provides a low-pressure EGR system which comprises an engine body and an EGR assembly, the engine body comprises a cylinder, a turbine and a gas compressor, a first pipe body is connected between a gas inlet of the cylinder and a gas outlet of the gas compressor, and a second pipe body is connected between the gas inlet of the cylinder and the gas outlet of the gas compressor. The EGR assembly comprises an EGR pipe, a first cooler, a second cooler, an EGR pump and a drainer, an air inlet and an air outlet of the EGR pipe are connected with an exhaust port of the turbine and an air inlet of the air compressor respectively, the first cooler, the second cooler, the EGR pump and the drainer are sequentially arranged on the EGR pipe in the exhaust gas flow direction of the EGR pipe, and the drainer comprises a water storage tank and a Venturi pipe.