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

VSEngineering 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

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidaerosol generation consistency
Core Design Contradiction:
Ease of manufactureVSReliability

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.

Inventive Principle:
Principle #3Local quality

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

Engineering Contradiction:
Improveheating efficiencyVSAvoidaerosol generation consistency
Core Design Contradiction:
Use of energy by moving objectVSReliability

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.

Inventive Principle:
Principle #3Local quality

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

Engineering Contradiction:
Improvestructural uniformityVSAvoidaerosol generation efficiency
Core Design Contradiction:
Device complexityVSProductivity

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.

Inventive Principle:
Principle #1Segmentation

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.

Inventive Principle:
Principle #3Local quality

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

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

The outer wrapper may comprise at least one air permeable section for providing a flow path through the outer wrapper

Methodology Applied
Scientific EffectAir permeation: Permeation

Data Source

PatentEP4663039A1article
Publication Date: 2025.12.17 NICOVENTURES TRADING LTD
  • EP4663039A1 patent drawingFigure 1A~1B
  • EP4663039A1 patent drawingFigure 1C~1D
  • EP4663039A1 patent drawingFigure 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).