Integrated intake manifold, engine and vehicle

By designing an integrated intake manifold, integrating EGR mixing chamber and other functional units, the problem of the number of parts and reliability risks caused by the increase in EGR system in the engine is solved, and the effect of compact structure and high reliability is achieved.

CN222633332UActive Publication Date: 2025-03-18WEICHAI POWER CO LTD
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Patent Information

Application Number
CN202421483611.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-03-18
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

During the engine development and upgrading process, increasing the number of parts and connecting seals leads to an increase in the cost and reliability risks, and how to simplify the structure and make it compact becomes a challenge.

Method used

An integrated intake manifold is designed to integrate the EGR mixing chamber, intake pressure stabilization chamber, air inlet, exhaust gas passage, EGR cooler mount, EGR pre-cooling gas outlet and EGR post-cooling gas inlet to reduce pipeline settings and directly install the EGR cooler on the main body of the intake manifold.

Benefits of technology

The integrated design reduces the number of connected components, makes the structure more compact, improves the reliability of connections, reduces costs, and improves the accuracy of EGR control.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model discloses an integrated air inlet manifold, an engine and a vehicle. The integrated air inlet manifold comprises an air inlet manifold body, an air inlet pipe and an air outlet pipe, the EGR mixing cavity and the air inlet pressure stabilizing cavity are integrated in the air inlet manifold body, an outlet of the EGR mixing cavity communicates with an inlet of the air inlet pressure stabilizing cavity, and an outlet of the air inlet pressure stabilizing cavity communicates with the air outlet; the air inlet and the waste gas channel are integrated on the intake manifold body, and the air inlet communicates with an inlet of the EGR mixing cavity; the EGR cooler mounting seat, the EGR pre-cooling gas outlet and the EGR post-cooling gas inlet are integrated on the intake manifold main body and are used for mounting an EGR cooler. According to the integrated intake manifold, the EGR cooler installation base is integrated, the EGR cooler can be directly installed on the intake manifold body, the EGR pre-cooling gas outlet and the EGR post-cooling gas inlet are integrated, the waste gas channel, the EGR cooler and the EGR mixing cavity can be sequentially communicated, arrangement of pipelines is reduced, and therefore the number of connected parts is reduced, the structure is more compact, and the integrated intake manifold is convenient to assemble and disassemble. And the connection reliability is higher.
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