Valve Module Insulating Void for Combustion Engine Thermal Management
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current combustion engine valve modules face durability issues at high temperatures due to complex and costly heat reduction measures, such as liquid cooling and heat shielding, which are not effectively addressed by existing technologies.
Innovation Solution
A valve module with a module housing that includes an insulating void to limit heat transfer from the valve assembly to the actuator assembly, using materials like cast aluminum or stainless steel, and incorporating heat exchange fins and vent passages to facilitate cooling and reduce heat conduction, allowing for simpler and cost-effective operation at high temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex heat reduction measures such as liquid cooling, heat shielding, or remote mounting of actuators are used, then durability at high temperatures is improved, but device complexity and cost increase
Solution Approach 1:
The housing is segmented into a hot section containing the valve assembly and a cool section containing the actuator assembly, separated by a thermal barrier that divides the internal volume to prevent heat transfer while maintaining structural integrity
Solution Approach 2:
A thermal barrier acts as an intermediary element between the hot valve assembly and the cool actuator assembly, blocking heat transfer while allowing the two components to function in their respective temperature zones without direct thermal coupling
2Reliability
If expensive materials are used to withstand high temperatures, then durability is improved, but manufacturing cost increases
Solution Approach 1:
The housing is designed with local quality differentiation where the hot section uses materials and thickness suitable for high temperature exposure, while the cool section uses standard materials, optimizing material selection for each specific thermal environment rather than using expensive materials throughout
Solution Approach 2:
The thermal barrier serves as an intermediary that protects the actuator assembly and surrounding components from high temperatures, allowing the use of cost-effective materials in the cool section while maintaining durability in the hot section
3Temperature
If the actuator assembly is mounted remotely from the valve assembly, then heat transfer is reduced, but device complexity and connection requirements increase
Solution Approach 1:
The housing is segmented into distinct hot and cool sections that are integrated into a single unified structure, allowing the actuator assembly to be positioned in the cool section near the valve assembly without direct thermal contact, eliminating the need for external remote mounting while maintaining thermal separation
Solution Approach 2:
The thermal barrier and housing are merged into an integrated structure that combines thermal protection with mechanical support functions, allowing the actuator assembly to be mounted on the housing in the cool section with simplified connections while maintaining adequate thermal separation from the valve assembly
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 suitable durability at high temperatures without the need for complex heat reduction measures, ensuring the actuator assembly remains protected from heat damage and maintaining efficient valve operation.
Implementation Method 1
a module housing carrying the valve and actuator assemblies and defining an insulating void to limit heat transfer from the valve assembly to the actuator assembly
Implementation Method 2
incorporating heat exchange fins and vent passages to facilitate cooling and reduce heat conduction
Implementation Method 3
incorporating heat exchange fins and vent passages to facilitate cooling and reduce heat conduction
Data Source
Figure 1~2
Figure 3
Figure 4~6
AI summary
A valve module for a combustion engine breathing system, and products and systems using the same.