Electrically Controlled Venturi Coupler for Liquid Cooling Leak Mitigation
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Solution Overview
Problem
Direct liquid cooling systems in information handling systems are prone to coolant leaks at couplers, which can damage sensitive electronic components by creating short circuits.
Innovation Solution
A liquid coolant leak detection and mitigation system that includes a coupler with a wire winding around its perimeter, which, when activated by an electrical signal, creates a magnetic field to trap ferromagnetic particles and constrict the coolant flow, utilizing the venturi effect to reduce or stop leaks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a direct liquid cooling system uses couplers to connect coolant tubes, then the system can be assembled and cooled effectively, but coolant leaks occur at the coupler connections
Solution Approach 1:
The patent changes the physical state and distribution of ferromagnetic particles within the coolant flow. By applying a magnetic field, the particles transition from a dispersed state to a concentrated state at the coupler, fundamentally altering the flow dynamics and pressure distribution to prevent leaks
Solution Approach 2:
Ferromagnetic particles serve as an intermediary medium between the magnetic field and the coolant flow. These particles are introduced into the coolant and act as controllable elements that can be manipulated by magnetic fields to constrict flow and prevent leaks without requiring direct mechanical intervention
2Reliability
If ferromagnetic particles are introduced into the coolant flow and a magnetic field is applied, then coolant leaks are prevented by constricting flow, but the system complexity and energy consumption increase
Solution Approach 1:
The magnetic field is applied periodically or on-demand rather than continuously. The system activates the magnetic field only when leak prevention is needed, allowing the ferromagnetic particles to be manipulated into position, and then deactivates it when not required, reducing overall energy consumption
Solution Approach 2:
The ferromagnetic particles self-organize and self-constrain the coolant flow when exposed to the magnetic field without requiring external mechanical actuators or additional control mechanisms. The particles themselves perform the flow control function through their magnetic response
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
Effectively minimizes or stops coolant leaks at couplers by increasing coolant velocity and reducing pressure at the leak site, preventing damage to electronic components.
Implementation Method 1
A liquid coolant leak detection and mitigation system that includes a coupler with a wire winding around its perimeter, which, when activated by an electrical signal, creates a magnetic field to trap ferromagnetic particles
Implementation Method 2
constrict the coolant flow, utilizing the venturi effect to reduce or stop leaks
Implementation Method 3
creates a magnetic field to trap ferromagnetic particles and constrict the coolant flow
Implementation Method 4
utilizing the venturi effect to reduce or stop leaks by increasing coolant velocity and reducing pressure at the leak site
Data Source
AI summary
A liquid cooling system includes first and second coolant tubes and a coupler to couple the first coolant tube to the second coolant tube. The first coolant tube receives coolant liquid from a first element of the liquid cooling system. The second coolant tube provides the coolant liquid to a second element of the liquid cooling system. The coupler is configured to receive an electrical signal to constrict a flow of the coolant liquid.