Low-pressure exhaust gas recirculation (EGR) system of vehicle engine
An engine and low-pressure technology, which is applied in the field of EGR system, can solve the problems of affecting EGR exhaust gas flow, slow EGR response speed, long EGR system path, etc., and achieve the effect of shortening response speed, lowering temperature and shortening response time
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[0028] figure 1 It is a structural schematic diagram of a low-pressure EGR system of a vehicle engine according to an embodiment of the present invention.
[0029] In particular, see figure 1 , the present invention provides a low-pressure EGR system for a vehicle engine, the system passes through an engine 5, wherein the engine 5 has an intake port and an exhaust port. The system may include an intake pipeline 2 , an exhaust pipeline 3 , an EGR pipeline 4 and an electronic supercharger 1 . Wherein, the air intake pipeline 2 is arranged before the air intake port, and is used for gas inflow of the engine 5 . The exhaust pipeline 3 is arranged behind the exhaust port, and is used for exhaust gas of the engine 5 to be discharged. The EGR pipeline 4 is connected between the intake pipeline 2 and the exhaust pipeline 3, and is used to send part of the exhaust gas discharged from the exhaust pipeline 3 into the intake pipeline after exhaust gas recirculation 2, so that part of ...
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