Server Rack Manifold Mounting for Fluid Port Alignment
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Solution Overview
Problem
Conventional manifold assemblies in liquid cooling systems face challenges with misalignment and deformation of fluid ports due to manufacturing tolerances and operational forces, leading to fluid leakage and damage to electronic equipment.
Innovation Solution
A manifold assembly with a mounting channel and mounting blocks that are welded to the manifold tube, providing fixed datum features to ensure alignment and compensate for dimensional variations, ensuring proper engagement of fluid ports with electrical equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional manifold assemblies are used without additional mounting features, then the device complexity is low, but misalignment and deformation of fluid ports occur due to manufacturing tolerances and operational forces
Solution Approach 1:
The mounting assembly is segmented into distinct components: mounting blocks that attach to the manifold tube and mounting channels that secure to the server rack. This segmentation allows each component to be optimized independently for its specific function while maintaining overall alignment precision.
Solution Approach 2:
Mounting blocks serve as intermediary elements between the manifold tube and the mounting channel. These blocks provide fixed datum features that mediate the connection, ensuring precise alignment of fluid ports while compensating for manufacturing tolerances in both the manifold tube and rack mounting surfaces.
2Reliability
If the manifold tube is directly mounted to the server rack, then the device complexity is low, but fluid ports become misaligned and deformed under operational forces
Solution Approach 1:
The mounting blocks are pre-attached to the manifold tube with precisely located datum features before installation. This preliminary action ensures that alignment is established in advance, preventing misalignment under operational forces and maintaining connection reliability.
Solution Approach 2:
The mounting assembly structure provides beforehand cushioning against operational forces by distributing loads through the mounting blocks and channels. This pre-configured support structure prevents deformation of fluid ports under pressure and mechanical stress.
3Manufacturing precision
If manufacturing tolerances are tightly controlled, then fluid port alignment is precise, but manufacturing cost and complexity increase
Solution Approach 1:
Mounting blocks with fixed datum features act as intermediaries that reference larger, easier-to-manufacture surfaces on both the manifold tube and server rack. This approach allows use of standard manufacturing tolerances on bulk components while achieving precise fluid port alignment through the intermediary datum features.
Solution Approach 2:
Instead of requiring tight tolerances throughout the entire manifold tube, local quality is applied only at the mounting block attachment points where datum features are located. This concentrates manufacturing precision requirements to specific critical locations rather than the entire component.
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 ensures precise alignment of fluid ports with corresponding ports on electrical equipment, reducing fluid leakage and installation errors, and maintaining stable connections under operational loads.
Implementation Method 1
A manifold assembly with a mounting channel and mounting blocks that are welded to the manifold tube
Data Source
AI summary
A manifold assembly for a server rack includes a manifold tube defining a first face and a second face, a fluid port extending outwardly from the first face, and a mounting assembly to secure the manifold tube to the server rack. The mounting assembly includes a mounting block secured to the second face of the manifold tube and a mounting channel having a pair of side walls extending from a base. The side walls of the mounting channel are attached to corresponding lateral surfaces of the mounting block to secure the manifold tube to the server rack.