Integrated EGR Valve Housing for Engine Exhaust Management
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Solution Overview
Problem
Existing systems for exhaust gas recirculation in internal combustion engines are complex, with numerous components leading to increased space, weight, and manufacturing costs, while also requiring more material resources and resulting in higher emissions and reduced fuel efficiency.
Innovation Solution
A compact device with a minimal number of components, integrating high and low pressure flow pathways, valves, and an exhaust gas heat exchanger within a single housing, allowing for various operating modes and reduced material usage, including shared actuators for valve control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate components (valves, flow pathways, heat exchanger) are used for exhaust gas recirculation, then the system can achieve comprehensive emissions control and various operating modes, but the space requirement, weight, and manufacturing costs increase
Solution Approach 1:
The patent combines multiple separate components (high pressure valve, low pressure valve, flow pathways, and heat exchanger) into a single integrated housing structure. This merging reduces the overall system weight while maintaining the capability to achieve comprehensive emissions control and various operating modes through the integrated design.
Solution Approach 2:
The housing structure serves multiple functions simultaneously: it contains both high pressure and low pressure flow pathways, houses multiple valves, and integrates the heat exchanger. This multi-functionality allows the system to achieve various operating modes without requiring separate dedicated components for each function, thereby reducing weight.
2Object-generated harmful factors
If multiple separate components are used for exhaust gas recirculation, then the system can provide comprehensive emissions control, but the manufacturing costs and material resources increase
Solution Approach 1:
By merging multiple components into a single housing structure, the patent reduces the total number of parts that need to be manufactured, assembled, and sealed. This integration simplifies the manufacturing process, reduces material consumption, and lowers production costs while maintaining comprehensive emissions control capabilities.
Solution Approach 2:
The universal housing structure that accommodates multiple valves and flow pathways reduces the need for separate manufacturing processes for each component. This multi-functional design consolidates manufacturing operations, reduces material resources, and simplifies quality control while achieving comprehensive emissions control.
3Adaptability or versatility
If multiple separate components are used for exhaust gas recirculation, then the system can achieve various operating modes, but the device complexity increases
Solution Approach 1:
The integration of multiple components into a single housing structure reduces the complexity of system assembly, sealing, and interconnections. While the system maintains the capability for various operating modes, the merged design simplifies the overall device architecture and reduces the number of interfaces that need to be managed.
4Object-generated harmful factors
If multiple separate components are used for exhaust gas recirculation, then the system can provide comprehensive emissions control, but the space requirement increases
Solution Approach 1:
By combining multiple components into a single integrated housing, the patent significantly reduces the space required for the exhaust gas recirculation system. The merged structure eliminates the need for separate mounting spaces for individual components and reduces the overall footprint while maintaining comprehensive emissions control capabilities.
Solution Approach 2:
The housing structure is designed to contain and nest multiple components (valves, flow pathways, heat exchanger) within a compact arrangement. This nesting approach allows the system to provide comprehensive emissions control in a minimized space footprint.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a lightweight, cost-effective, and efficient exhaust gas recirculation system with reduced emissions and improved fuel economy by minimizing components and integrating them within a single housing, enabling efficient engine operation and emissions control.
Implementation Method 1
an exhaust gas heat exchanger
Implementation Method 2
exhaust gas heat exchanger for cooling the exhaust gas
Data Source
AI summary
A device of a system for air ducting of an internal combustion engine in a motor vehicle with a turbocharger arranged between an exhaust gas line and an intake line. The device includes a high pressure flow pathway with a valve branching from the exhaust gas line between the internal combustion engine and a turbine side of the turbocharger, a low pressure flow pathway with a valve branching in the flow direction of the exhaust gas downstream from the turbine side of the turbocharger, and an exhaust gas heat exchanger. A first flow pathway with a valve and a second flow pathway with a valve merge into a mouth region with a third flow pathway. At least one section of the high pressure flow pathway, the low pressure flow pathway, the flow pathways, and the exhaust gas heat exchanger are integrated inside a housing formed as a continuous compact unit.