Engine intake manifold of built-in integrated intercooler

Abstract

The invention relates to an engine intake manifold of a built-in integrated intercooler. An intake manifold body comprises a voltage stabilizing cavity consisting of an upper shell and a lower shell, a pressurization gas inlet and a pressurization gas outlet; the intercooler is integrated in the voltage stabilizing cavity for dividing the voltage stabilizing cavity into a high-temperature voltage stabilizing cavity and a low-temperature voltage stabilizing cavity in an airflow circulating direction; the intercooler comprises a cooling liquid inlet and a cooling liquid outlet, and is provided with a sealing ring on the outer wall intersected with the airflow circulating direction; and the sealing ring is clamped and tightly connected with a corresponding groove in the voltage stabilizing cavity. Compared with the prior art, the engine intake manifold of the built-in integrated intercooler has such advantages as simple structure and cost saving.

Description

technical field [0001] The invention relates to an intake manifold, in particular to an engine intake manifold with a built-in integrated cold intercooler. Background technique [0002] At present, a turbocharged engine is an engine that relies on a turbocharger to increase the intake air volume of the engine to obtain higher torque and power; since the turbocharger is driven by the gas discharged from the engine, the turbocharger After the intake air temperature will rise, it is necessary to cool the charge intake air. [0003] There are two commonly used cooling methods, namely direct cooling and indirect cooling. Due to the many shortcomings of the direct cooling method, indirect cooling has become the development trend of supercharged engines. The indirect cooling method also has technical problems to be solved at present, such as the strength requirements for the intake manifold after adding the intercooler; increasing the sealing problem between the intercooler and th...

AI Technical Summary

Problems solved by technology

The above-mentioned inventions have in common that a side opening is provided on the casing, and the heat exchanger / intercooler is arranged in the casing through the side opening. This technical solution facilitates the assembly of the heat exchanger / intercooler in the casing, and the tooling is simple and convenient. It is easy to maintain, but because this solution needs to seal and fix the heat exchanger / intercooler with the housing, the sealing performance is not good; in addition, due to the relative technical solution, no further Improve the sealing effect and increase the blow-by of high-temperature gas, resulting in poor refrigeration efficiency

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