Heat Transfer Device With Porous Vaporization Elements
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Solution Overview
Problem
Existing heat transfer devices for cooling electronic components are limited in achieving efficient heat transfer and cooling in compact spaces, as they often rely on simple vaporization elements and materials that do not optimize porosity or surface area for improved heat dissipation.
Innovation Solution
A heat transfer device with a sleeve containing vaporization elements having knob-shaped structural elements with controlled porosity, where the vaporization elements are connected to the sleeve to enhance heat transfer, and multiple elements can be arranged to create different zones for better temperature adaptation, with production methods like powder metallurgy and 3D printing allowing for varied porosity and surface area optimization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If simple vaporization elements are used in existing heat transfer devices, then the device structure remains simple, but heat transfer efficiency and cooling performance are limited
Solution Approach 1:
The patent applies porous materials by incorporating vaporization elements with controlled porosity (5-70%) into the heat transfer device. The porous structure provides increased surface area for phase change while maintaining compact dimensions, directly resolving the contradiction between structural simplicity and heat transfer efficiency
Solution Approach 2:
The patent uses composite materials by combining the porous vaporization element with a holding element and encapsulating them in a sleeve. This composite structure integrates multiple functions (support, vaporization, containment) into a unified system that achieves high heat transfer efficiency without excessive structural complexity
2Productivity
If vaporization elements with larger surface area are used, then heat spread and cooling efficiency improve, but device volume increases
Solution Approach 1:
The patent applies dimensionality change by transitioning from flat vaporization surfaces to three-dimensional knob-shaped structural elements with porosity. This vertical development of surface area within the same footprint volume enables enhanced cooling efficiency without proportional increases in device volume
Solution Approach 2:
The porous vaporization element is nested within the holding element structure, which itself is contained within the sleeve. This nested arrangement maximizes the use of internal space, allowing high surface area vaporization elements to fit within compact device volumes
3Adaptability or versatility
If multiple vaporization elements with different porosities are used, then temperature distribution adaptation improves, but manufacturing complexity increases
Solution Approach 1:
The patent applies local quality by creating vaporization elements with spatially varying porosity distributions (different porosities in different regions). This allows each region of the vaporization element to be optimized for local thermal conditions, improving temperature distribution adaptation while maintaining a single integrated element design
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 achieves high heat spread and quick heat transfer in small spaces, improving cooling efficiency by maximizing surface area and volume utilization within the device, allowing for better adaptation to temperature distributions and modular design.
Implementation Method 1
vaporization element having, in particular knob-shaped, structural elements for converting at least part of the working medium from the liquid to the gaseous state
Implementation Method 2
vaporization element for converting at least part of the working medium from the liquid to the gaseous state
Implementation Method 3
the vaporization element has a porosity
Implementation Method 4
the heat pipe extracts heat from its surroundings in a vaporization area and supplies this heat to the surroundings of the condensation area
Implementation Method 5
the fluid changes to the gaseous phase, to flow in the direction of a cooler area in the interior of the heat pipe, condense there and flow back
Data Source
AI summary
A heat transfer device includes a sleeve, which forms an interior in which a working medium and one vaporization element having structural elements, or multiple vaporization elements having structural elements, for converting at least part of the working medium from the liquid to the gaseous state are contained, wherein the vaporization element or the vaporization elements has or have a porosity, and is or are connected to the sleeve.