Liquid Manifold Alignment via Segmented Bushings
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Solution Overview
Problem
Conventional liquid cooling systems for server racks face challenges in ensuring accurate alignment and secure connections between manifolds and electronics due to dimensional variations and pressure-induced misalignment, leading to potential leaks and poor heat transfer performance.
Innovation Solution
A manifold assembly that includes a channel secured to the manifold tube with bushings aligned with port holes, providing structural support and reducing deformation, and using quick-connect couplings with bushings configured to receive fluid couplings for precise alignment and secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional manifolds are used without additional structural support, then the device complexity is lower, but the alignment precision and connection reliability deteriorate due to dimensional variations and pressure-induced misalignment
Solution Approach 1:
The manifold assembly is divided into separate components: the manifold tube, channel, and bushings. The bushings are distinct elements that can be independently manufactured and precisely fitted into the manifold tube, allowing for high precision alignment features without requiring the entire manifold to be a complex integrated structure.
Solution Approach 2:
Bushings serve as intermediary components between the manifold tube and the channel. These bushings contain precisely formed bore features that mediate the connection, ensuring accurate alignment and positioning while simplifying the overall assembly process and maintaining manufacturing precision.
2Weight of moving object
If lighter materials are used for the manifold tube, then the weight is reduced, but the strength and structural integrity worsen under high pressure applications
Solution Approach 1:
The manifold assembly uses a composite structure combining the manifold tube, channel, and bushings. This composite approach allows optimization of each component's material properties - the bushings can be made from materials providing precise dimensional stability, while the manifold tube can use lighter materials, achieving overall structural integrity without excessive weight.
Solution Approach 2:
By segmenting the manifold into separate components (tube, channel, bushings), each part can be optimized for its specific function. The bushings can be made from materials prioritizing precision and pressure resistance, while the manifold tube can prioritize weight reduction, achieving both goals simultaneously through material differentiation.
3Ease of operation
If quick-connect couplings are used without precise alignment features, then the ease of operation improves, but the connection reliability deteriorates due to misalignment and potential leaks
Solution Approach 1:
The bushings are pre-installed into the manifold tube with precisely formed bore features before the quick-connect couplings are attached. This preliminary action ensures that the alignment is already established, so when the quick-connect coupling is simply pushed on, it automatically achieves proper alignment without requiring manual adjustment, maintaining both ease of operation and connection reliability.
Solution Approach 2:
The precisely formed bore features in the bushings act as intermediary alignment elements between the quick-connect coupling and the manifold. This intermediary feature guides the coupling into proper alignment during the simple push-on operation, ensuring reliable leak-proof connections while maintaining ease of operation.
4Manufacturing precision
If the manifold structure is made more rigid to prevent deformation, then the manufacturing precision improves, but the device complexity and manufacturing cost increase
Solution Approach 1:
The rigid structural support is achieved through segmented design - the bushings are separate components that can be precisely manufactured and fitted into the manifold tube. This segmentation allows the rigid alignment features to be incorporated without making the entire manifold structure complex, as only the bushing components need the precise rigid features.
Solution Approach 2:
The bushings serve as intermediary elements that provide the rigid dimensional stability needed for precise alignment. By concentrating the rigidity requirements in these small intermediary components rather than the entire manifold structure, dimensional stability is achieved without unnecessarily increasing overall structural complexity.
Data Source
AI summary
A manifold assembly provided for a server rack. The manifold assembly can include a manifold tube with a port hole within a spotface that extends inward from an external surface of the manifold tube. A channel can be included having a channel aperture. A bushing can also be included with a throughbore extending along a bushing axis. The bushing can be coupled to the channel with the bushing axis in alignment with a center of the channel aperture. The channel can be rigidly secured to the manifold tube to provide structural support thereto relative to the server rack, with the bushing captivated between the channel and the manifold tube and the bushing received within the spotface.