EGR (exhaust gas recirculation) cooler and engine
A technology of EGR cooler and cooling water, which is applied in the direction of machines/engines, engine components, combustion engines, etc., and can solve the problems of tense layout, difficult layout of EGR cooler, and inaccurate gas temperature control, etc.
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[0033] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0034] like Figure 1-8 As shown, the embodiment of the present invention provides an EGR cooler, which is connected between the intake manifold and the exhaust manifold of the engine, and its function is to realize the cooling of the EGR exhaust gas through the heat exchange between the cooling water and the EGR exhaust gas . The EGR cooler includes a shell 11 , a heat exchange tube group 12 installed in the shell 11 , an end cover fixed on the shell 11 and a regulating device.
[0035] The shell 11 is the installation basis of the entire EGR cooler, and has an exhaust gas outlet, a cooling water inlet and a cooling water outlet on it. A cooling water channel is formed between the cooling water inlet and the cooling water outlet. The exhaust ga...
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