Thermally Conductive Plastic Enclosure for Heat Dissipation and Vibration Damping

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Solution Overview

Problem

Current solutions for electronic device mounting and enclosures that combine vibration damping with heat dissipation are often optimized for only one aspect, resulting in either high manufacturing costs, inefficient cooling, or marginal performance in thermal transfer and vibration damping.

Innovation Solution

The use of thermally conductive plastics as a mounting assembly that acts as a physical and thermal intermediary between electronic devices and supporting structures, enabling efficient heat transfer and vibration damping while reducing the need for air exchange cooling.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If traditional separate mounting and cooling solutions are used, then manufacturing cost is reduced, but thermal transfer efficiency deteriorates

Engineering Contradiction:
Improvemanufacturing costVSAvoidthermal transfer efficiency
Core Design Contradiction:
Ease of manufactureVSTemperature

Solution Approach 1:

The patent combines the mounting structure and heat dissipation function into a single integrated thermally conductive plastic assembly. The mounting structure includes thermal pathways that directly conduct heat from electronic components to external heat sinks, eliminating the need for separate cooling components and reducing manufacturing complexity while improving thermal transfer efficiency.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The thermally conductive plastic mounting assembly serves multiple functions simultaneously: it provides mechanical support for electronic components, acts as a thermal conduit for heat dissipation, and structures the overall device architecture. This multi-functionality reduces the number of separate components needed while maintaining effective cooling.

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

2Ease of manufacture

If traditional separate mounting and vibration damping solutions are used, then manufacturing cost is reduced, but vibration damping performance deteriorates

Engineering Contradiction:
Improvemanufacturing costVSAvoidvibration damping performance
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent integrates vibration damping features directly into the mounting structure by incorporating viscoelastic materials and damping elements within the thermally conductive plastic assembly. This integration provides effective vibration isolation for sensitive electronic components without requiring separate damping components, thereby maintaining manufacturing simplicity while improving reliability.

Inventive Principle:
Principle #5Merging (Combining)

3Temperature

If air exchange cooling is used, then heat dissipation is achieved, but system density is reduced

Engineering Contradiction:
Improveheat dissipationVSAvoidsystem density
Core Design Contradiction:
TemperatureVSVolume of stationary object

Solution Approach 1:

The patent extracts the air exchange cooling mechanism and replaces it with direct thermal conduction pathways through the mounting structure. By removing the dependency on air flow for heat dissipation, the design eliminates the need for large ventilation spaces and achieves effective cooling in a more compact form factor, thereby increasing system density.

Inventive Principle:
Principle #2Taking out (Extraction)

4Ease of manufacture

If optimized single-function mounting is used, then manufacturing cost is reduced, but overall performance deteriorates

Engineering Contradiction:
Improvemanufacturing costVSAvoidoverall performance
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent designs the mounting assembly to simultaneously provide mechanical support, thermal management, and vibration damping functions. This multi-functional approach consolidates multiple performance requirements into a single component that can be manufactured cost-effectively while delivering superior overall device performance and reliability.

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

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 approach leads to improved electronic device performance with longer life, higher reliability, lower maintenance, and reduced manufacturing costs, allowing for higher system density designs and better heat dissipation control.

Implementation Method 1

thermally conductive plastic assembly that provides for thermal conduction and vibration damping of an electronic device

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

thermally conductive plastic assembly that provides for thermal conduction and vibration damping of an electronic device

Methodology Applied
Scientific EffectVibration damping: Damping

Data Source

PatentUS10558247B2Thermally conductive and vibration damping electronic device enclosure and mounting
Publication Date: 2020.02.11 SMITH DAVID LANE
  • US10558247B2 patent drawing
  • US10558247B2 patent drawing
  • US10558247B2 patent drawing

AI summary

A system and method for heat dissipation and vibration damping of electronic devices in which an assembly is formed by one or more surfaces comprised of at least one material that is a thermally conductive plastic that combines to partially or completely enclose one or more electronic devices as a physical and thermal intermediary between the electronic devices and supporting structures.