Aircraft Outflow Valve Integrated Heat Exchanger
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Solution Overview
Problem
Modern aircraft face challenges in efficiently dissipating waste heat from electronic systems, as existing cooling systems require long, heavy, and expensive cooling lines and large fans, which are costly and time-consuming to manufacture and maintain.
Innovation Solution
An aircraft outflow valve system that includes a base with a heat exchanger and a valve, featuring a liquid coolant flow path and an air flow path, allowing for airflow regulation to enhance heat dissipation and reduce the length and weight of coolant lines by centralizing high-temperature components away from the aircraft skin.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If dedicated liquid cooling systems are used for high-power electronic systems, then adequate cooling can be provided, but the system requires long cooling lines and large fans that are heavy and expensive
Solution Approach 1:
The patent combines the heat exchanger with the outflow valve into a single integrated unit. The heat exchanger is positioned at the outflow valve location where waste heat from electronics can be directly transferred to the airflow being exhausted from the aircraft, eliminating the need for separate cooling lines and large fans while providing adequate cooling for high-power electronic systems
Solution Approach 2:
The outflow valve airflow serves as an intermediary medium to transfer heat from the electronics bay to the external environment. By utilizing the existing exhaust airflow as a heat sink, the system eliminates heavy cooling infrastructure while maintaining effective heat dissipation through the integrated heat exchanger at the valve location
2Temperature
If long cooling system lines are used to provide adequate cooling, then heat dissipation is sufficient, but manufacturing and installation time increases significantly
Solution Approach 1:
By merging the heat exchanger with the outflow valve into a single integrated component, the patent eliminates the need for long cooling lines that would require extensive manufacturing and installation. The integrated design allows heat dissipation to be achieved through the valve assembly itself, significantly reducing manufacturing complexity and installation time
Solution Approach 2:
The patent extracts the cooling function from the traditional long-line liquid cooling system and relocates it to the outflow valve location. This extraction eliminates the time-consuming installation of extensive piping while maintaining adequate cooling capability through direct heat transfer to the exhaust airflow
3Temperature
If traditional liquid cooling systems are used, then adequate cooling is provided, but the system is expensive to manufacture and maintain
Solution Approach 1:
The integration of the heat exchanger with the outflow valve eliminates the need for separate cooling system components, reducing manufacturing complexity and cost. The unified design allows for simpler fabrication and assembly while providing the same heat dissipation capability as traditional liquid cooling systems
Solution Approach 2:
The outflow valve assembly serves multiple functions: it regulates cabin pressure by controlling exhaust airflow and simultaneously acts as a heat exchanger for cooling electronics. This multi-functionality eliminates the need for dedicated cooling infrastructure, reducing overall system cost while maintaining adequate cooling performance
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 system effectively dissipates heat through a combination of conduction and convection, reducing the weight and cost of cooling systems while maintaining aircraft reliability and performance by centralizing high-temperature components and optimizing airflow.
Implementation Method 1
The system effectively dissipates heat through a combination of conduction and convection
Implementation Method 2
The system effectively dissipates heat through a combination of conduction and convection
Data Source
AI summary
An aircraft outflow valve with a heat exchanger is disclosed herein. The aircraft outflow valve can include a heat exchanger that includes an air flow path. Air can flow through the air flow path and exit the outflow valve through an opening at the end of the air flow path. Such airflow can regulate the internal pressure of the aircraft and can also dissipate heat from the outflow valve. The outflow valve can further include a liquid coolant flow path. The liquid coolant flow path can be coupled to liquid coolant lines of electronics of the aircraft. Thus, heat from the electronics of the aircraft can be dissipated through heat transfer between the coolant and the outflow valve, which is accordingly cooled by the airflow through the heat exchanger.