Chassis Air Flow Channels for Server Cooling

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Solution Overview

Problem

Traditional server cooling systems face limitations in air flow and thermal design, leading to constrained operating velocities and potential overheating of electronic components due to inefficient heat removal.

Innovation Solution

A chassis design with apertures and air flow channels that direct air flow across electronic components, combined with a fan system and baffle configuration to enhance cooling efficiency, allowing air to circulate from the front end, across components, and back out through apertures, improving heat dissipation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If traditional fan cooling systems are used, then heat removal is achieved, but air flow quantity is limited and operating velocity must be reduced

Engineering Contradiction:
Improveoperating velocityVSAvoidheat removal efficiency
Core Design Contradiction:
ProductivityVSTemperature

Solution Approach 1:

The patent introduces a U-shaped air flow path that utilizes three-dimensional space within the chassis, directing air from the front, across the top, down the rear, and back to the front. This multi-dimensional flow path increases the effective cooling surface area and air quantity without increasing fan size, allowing components to operate at higher velocities while maintaining effective heat removal.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Temperature

If more air flow channels are added, then cooling performance improves, but device complexity increases

Engineering Contradiction:
Improvecooling performanceVSAvoidchassis structure complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

The chassis structure is designed with integrated cooling features where the same structural elements serve both mechanical support and thermal management functions. The side walls and bottom wall that provide structural integrity also incorporate air flow channels and apertures, eliminating the need for separate cooling components and reducing overall device complexity while maintaining effective cooling performance.

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

3Quantity of substance

If fan size is increased to improve air flow, then cooling efficiency increases, but physical space required increases

Engineering Contradiction:
Improveair quantityVSAvoidfan and component placement space
Core Design Contradiction:
Quantity of substanceVSVolume of stationary object

Solution Approach 1:

The cooling system divides the air flow path into multiple segments: front apertures for air intake, top apertures for heat dissipation, rear apertures for air return, and bottom apertures for additional flow. This segmentation allows distributed heat removal across multiple locations, increasing total air quantity utilized without requiring a single large fan, thereby saving physical space for component placement.

Inventive Principle:
Principle #1Segmentation

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 enhances cooling performance by increasing air flow and reducing the physical space required for fan and component placement, allowing for higher operating velocities and improved system performance.

Implementation Method 1

The heat from the heat sinks are vented away from the server using convection, i.e., air flow. The air flow is often generated by a fan system that accelerates air through the components and the heat sink.

Methodology Applied
Scientific EffectConvection: Convection

Implementation Method 2

Heat sinks are typically composed of thermally conductive material. Heat sinks absorb the generated heat from the electronic components and transfer the heat away from the components.

Methodology Applied
Scientific EffectHeat transfer: Conduction (thermal)

Data Source

PatentUS11013151B1Electronic component housing cooling system
Publication Date: 2021.05.18 QUANTA COMPUTER INC
  • US11013151B1 patent drawing
  • US11013151B1 patent drawing
  • US11013151B1 patent drawing

AI summary

A chassis includes a receiver frame for receiving a plurality of electronic components. The receiver frame includes a front end, a rear end, a top wall, and a bottom wall. The receiver frame also includes one or more apertures positioned in the bottom wall or the top wall at a location adjacent to the front end. The receiver frame also includes a plurality of air flow channels coupling openings in the front end to the one or more apertures such that air flow from the openings of the front end is first directed towards the rear end across the plurality of electronic components before being directed back towards the front end and then exiting the one or more apertures.