Bottom-Mounted Liquid Cooling Piping for Data Center Scalability
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Solution Overview
Problem
Current liquid cooling systems for data centers face challenges in scalability, maintenance, and reliability due to the placement of fluid piping at the top of server racks, which increases installation and servicing costs and complexity, and are not adaptable to the rapidly changing thermal management needs of high-performance servers.
Innovation Solution
The design of row cooling units with integrated fluid distribution piping allows for a flexible and scalable liquid cooling system where connectors and hoses are located at the bottom, enabling easy assembly and maintenance, and the use of male and female connectors for interconnecting units to form supply and return loops independent of the facility infrastructure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If fluid piping is located at the top of server racks, then cooling efficiency is improved, but installation and servicing cost increases
Solution Approach 1:
The patent inverts the conventional location of fluid piping from the top of server racks to the bottom. This inversion maintains cooling efficiency by keeping the liquid cooling system close to heat loads while significantly improving ease of installation and servicing, as bottom-mounted piping is more accessible and requires less complex routing.
Solution Approach 2:
The patent transitions from horizontal piping layout at rack tops to vertical piping integration through rack bottoms, changing the spatial dimension of fluid distribution. This dimensional change allows the cooling system to serve multiple racks vertically while simplifying connection points and maintenance access.
2Temperature
If fluid piping is located at the top of server racks, then cooling efficiency is improved, but design complexity increases
Solution Approach 1:
By inverting the piping location to the bottom of racks, the patent simplifies the fluid distribution network design. The vertical integration through rack bottoms reduces the number of horizontal connections and simplifies the overall piping architecture compared to top-mounted systems.
3Temperature
If fluid flows over the top of servers, then cooling coverage is improved, but reliability decreases
Solution Approach 1:
The patent inverts the fluid flow path from top-to-bottom to bottom-to-top, with cooling fluid entering through bottom-mounted connectors and rising through the rack. This eliminates reliability concerns associated with fluid flowing over server tops, as the inverted configuration provides better containment and control of the fluid path.
4Temperature
If liquid cooling system is customized for each facility, then cooling performance is optimized, but adaptability decreases
Solution Approach 1:
The patent creates a universal bottom-mounted fluid distribution design that can be adapted to various facility configurations and server rack types. The standardized bottom connection approach provides a multi-functional platform that maintains optimized cooling performance across different deployments while significantly improving adaptability to changing IT equipment requirements.
Solution Approach 2:
The patent introduces dynamic adaptability to the cooling system, allowing the fluid distribution network to be reconfigured and scaled as IT equipment evolves. The bottom-mounted modular design enables easy adjustment of cooling capacity and configuration to match changing business workloads and hardware generations.
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
This configuration simplifies design, servicing, and maintenance while enhancing the reliability and efficiency of the liquid cooling system, allowing for individual unit replacement without disrupting the entire system, and supports the dynamic thermal management requirements of cloud-computing data centers.
Implementation Method 1
The cooling unit may include a cooling coil and a bottom section with connectors and hoses for distributing and returning the cooling liquid
Data Source
AI summary
Disclosed are row cooling units and connecting units with a network of integrated fluid distribution piping that may be interconnected to construct a liquid cooling system to carry way heat generated by servers housed within the server racks used in data centers. The assembly of row cooling units and connecting units may be connected to the supply and return loops of the data center facility to distribute cooling liquid to the electronic components of the servers and to return heated liquid for heat removal. The network of fluid distribution piping integrated into the row cooling units and connecting units enables the configuration of the liquid cooling system to be independent of the fixed infrastructure of the facility, affording ease of scalability, serviceability, maintenance, while increasing efficiency, resiliency, availability and reliability of the liquid cooling system critical to the operation and performance of the data center.