AUTOMOBILE EXHAUST GAS RECIRCULATION SYSTEM

摘要

PURPOSE: An automobile exhaust gas recirculation system is provided to achieve improved combustion efficiency, while reducing nitrogen oxide. CONSTITUTION: A plurality of cooling pipes(5) are arranged in the lengthwise direction of a cooling reservoir in such a manner that the exhaust gas is supplied from an exhaust manifold to an intake manifold at the state where the exhaust gas is cooled. An exhaust gas supply pipe coupled to ends of the exhaust manifold and the intake manifold is arranged at both sides of the cooling reservoir. A coolant circulation pipe is arranged at the upper and lower sides of the cooling reservoir. Pin coupling holes(8) are formed at the cooling pipes arranged in the lengthwise direction of the cooling reservoir. A plurality of pins(9) are coupled to the pin coupling holes.