Server Flow-Through Fixture with State Sensor for Datacenter Cooling

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Solution Overview

Problem

Datacenter cooling systems face challenges in efficiently managing varying cooling requirements due to changing computing loads, particularly in high heat density areas like those around graphics processing units (GPUs), central processing units (CPUs), and switches, where existing systems lack real-time monitoring and adaptive control for coolant chemical characteristics.

Innovation Solution

The implementation of an integrated server flow-through fixture or manifold with a state sensor that allows for real-time monitoring of coolant properties such as pH, conductivity, and turbidity, enabling continuous monitoring and immediate corrective actions, and supports both primary and secondary cooling loops with flexible tubing and flow controllers for efficient heat management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional cooling systems are used without real-time monitoring, then device complexity is reduced, but reliability deteriorates due to inability to detect coolant degradation

Engineering Contradiction:
Improvecooling system reliabilityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements real-time monitoring of coolant chemical characteristics (pH, conductivity, turbidity) using sensors integrated into the cooling system. This feedback mechanism allows the system to detect coolant degradation and respond by triggering alerts or corrective actions, thereby maintaining reliability without requiring complex manual inspection procedures

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The cooling system performs self-diagnosis through integrated sensors that continuously monitor coolant conditions. The system automatically detects issues such as contamination or chemical degradation and can trigger automated responses, reducing the need for external monitoring while improving reliability

Inventive Principle:
Principle #25Self-service

2Reliability

If real-time monitoring of coolant properties is implemented, then reliability is improved, but device complexity increases due to additional sensors and control systems

Engineering Contradiction:
Improvecooling performance reliabilityVSAvoidmonitoring system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The monitoring system uses multi-functional sensors that can detect multiple coolant parameters (pH, conductivity, turbidity) simultaneously. This approach improves reliability by comprehensively monitoring coolant health while avoiding the complexity of deploying separate sensors for each parameter

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent introduces an intermediary processing unit that receives data from multiple sensors and consolidates the information into actionable insights. This mediator simplifies the overall system architecture by centralizing data processing and reducing the complexity of direct sensor-to-controller connections

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If coolant flow is not monitored in real-time, then device complexity is lower, but productivity deteriorates due to undetected cooling inefficiencies

Engineering Contradiction:
Improvedatacenter operational productivityVSAvoidflow monitoring complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

Flow sensors provide real-time feedback on coolant circulation status, enabling the system to detect flow reductions or stoppages that could indicate blockages or pump failures. This immediate feedback allows for rapid response to maintain cooling efficiency and prevent productivity loss

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS12089378B2Integrated server flow-through fixture with state sensor for datacenter cooling systems
Publication Date: 2024.09.10 NVIDIA CORP
  • US12089378B2 patent drawing
  • US12089378B2 patent drawing
  • US12089378B2 patent drawing

AI summary

Systems and methods for cooling a datacenter are disclosed. In at least one embodiment, a server tray or box includes a surface with a flow-through fixture or manifold that extends on both sides of the surface, that includes an inward coupling, an outward coupling, a flow controller, and a state sensor, the state sensor to monitor a flow-through fixture or manifold, where a flow controller of a flow-through fixture or manifold can change a flow of a coolant through a flow-through fixture or manifold and can selectively trap a portion of a coolant within a flow-through fixture or manifold.