Exhaust gas recirculation engine and vehicle

By designing a combination of condensate separation container and discharge condensate kettle in the exhaust gas recirculation engine, the problem of condensate entering the engine combustion chamber is solved, and the effective absorption of harmful gases is achieved, reducing environmental pollution.

CN119686874APending Publication Date: 2025-03-25SAIC GM WULING AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202411616791.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

During the condensate water separation process of existing exhaust gas recirculation engines, the condensate water is easily blown into the engine combustion chamber, resulting in choking and fire. During the drainage process, harmful gases will be directly discharged into the atmosphere, causing environmental pollution.

Method used

An exhaust gas recirculation engine is designed, including an internal combustion engine body, an air filter, a supercharger, an intercooler, a condensate separation container and a discharge condensate kettle. Through the combination of the condensate separation container and the discharge condensate kettle, the condensate is effectively separated and discharged, while harmful gases are sucked into the intake passage of the air filter to avoid direct discharge into the atmosphere.

Benefits of technology

The effective discharge of condensate water is achieved, the risk of choking and fire from the internal combustion engine is avoided, and environmental pollution is reduced and the requirements of emission regulations are met.

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Abstract

The invention provides an exhaust gas recirculation engine and a vehicle, and belongs to the technical field of engines. The exhaust gas recirculation engine comprises an internal combustion engine body, an air filter, a supercharger, an intercooler, a condensate water separation container and a condensate water discharging kettle, the internal combustion engine body is provided with a throttle valve, an exhaust gas discharging pipe and an exhaust gas bypass pipe, and one end of the exhaust gas bypass pipe is communicated with the exhaust gas discharging pipe so that partial exhaust gas in the exhaust gas discharging pipe can be shunted; a gas inlet of the supercharger is respectively communicated with a gas outlet of the air filter and the other end of the waste gas bypass pipe; an air inlet of the intercooler is communicated with an air outlet of the supercharger; the upper portion of the condensate water separation container is provided with an air inlet connector and an air outlet connector, the air inlet connector communicates with an air outlet of the intercooler, the air outlet connector communicates with a throttle valve of the internal combustion engine body, and a first row of condensate water openings are formed in the bottom of the condensate water separation container. The upper portion of the condensate water discharging kettle is communicated with the first condensate water discharging opening and an air inlet channel of the air filter, and a second condensate water discharging opening is formed in the bottom of the condensate water discharging kettle.
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