Segmented Aerosol Article Wrappers for Differential Heating
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Solution Overview
Problem
Existing non-combustible aerosol provision devices face challenges in efficiently generating and delivering aerosols due to inconsistent heating and thermal conductivity of components, leading to variations in aerosol production.
Innovation Solution
The article comprises segments with different thermal conductivities, where one segment has a higher thermal conductivity than the other, allowing for selective heating and optimized aerosol generation, and includes air-permeable sections for ventilation and visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If uniform thermal conductivity is used throughout the article, then manufacturing is simpler, but aerosol generation consistency deteriorates due to inconsistent heating
Solution Approach 1:
The article employs wrappers with different thermal conductivities at different segments along its length. The first wrapper has higher thermal conductivity than the second wrapper, creating localized thermal zones that enable consistent aerosol generation throughout the article while maintaining a relatively simple manufacturing process.
2Use of energy by moving object
If higher thermal conductivity material is used, then heating efficiency is improved, but thermal distribution becomes too rapid causing inconsistent aerosol generation
Solution Approach 1:
Different segments of the article are assigned different thermal conductivity values. The first wrapper with higher thermal conductivity efficiently transfers heat in its region, while the second wrapper with lower thermal conductivity provides controlled heat distribution, together achieving consistent aerosol generation across the entire article.
3Device complexity
If single uniform structure is used, then device complexity is reduced, but aerosol generation efficiency deteriorates due to inability to provide differential heating
Solution Approach 1:
The article is divided into multiple segments along its length, with each segment having different thermal conductivity properties. This segmentation enables differential heating of different portions of the article, significantly improving aerosol generation efficiency while maintaining a relatively simple overall structure.
Solution Approach 2:
Each segment of the article is designed with specific thermal conductivity characteristics suited to its function. The first wrapper has higher thermal conductivity for efficient heat transfer, while the second wrapper has lower thermal conductivity for controlled heat distribution, together achieving high aerosol generation efficiency.
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 design enhances aerosol generation efficiency and consistency by allowing differential heating and ventilation, improving user experience and device performance.
Implementation Method 1
The thermal conductivity of the first wrapper is greater than the thermal conductivity of the second wrapper
Implementation Method 2
The outer wrapper may comprise at least one air permeable section for providing a flow path through the outer wrapper
Data Source
Figure 1A~1B
Figure 1C~1D
Figure 2~3B
AI summary
An article (1) for use with a non-combustible aerosol provision device, comprising a first segment (9) and a second segment (10). The first segment (9) comprises a first wrapper (1001). The second segment (10) comprises a second wrapper (1002). The thermal conductivity of the first wrapper (1001) is greater than the thermal conductivity of the second wrapper (1002). The first segment (9) may comprise a first aerosol-generating material (1000). The second segment (10) may comprise a second aerosol-generating material (2000).