A kind of EGR system and the control method and control device of the intake air temperature after cooling
A control device, EGR cooler technology, applied in the direction of coolant flow control, charging system, engine control, etc., can solve the problems affecting the service life of the EGR cooler that affects the emission performance of diesel engines, so as to reduce the failure rate and prolong the service life , the effect of high control precision
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[0037] The core of the present invention is to provide a control method and control device for the temperature of the intake air after EGR cooling, so as to realize the control of the temperature of the intake air after EGR cooling, so that it is within a predetermined range and prevent the intake air temperature from being too high or too low. And affect the performance of diesel engine and EGR cooler.
[0038] Another core of the present invention is to provide an EGR system with the above-mentioned control device, so as to be able to adjust the temperature of the intake air after cooling and improve the reuse rate of exhaust gas.
[0039]In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0040] Please refer to figure 2 , figure 2 It is a schematic structural diagram of an EGR system...
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