Aerosolizable Structure With Induction Heating Layer
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Solution Overview
Problem
Existing smoking alternatives, such as 'heat not burn' products, face challenges in efficiently heating aerosolizable materials without combustion, requiring innovative structures and heating methods to volatilize components effectively.
Innovation Solution
The development of aerosolizable structures comprising layered sheets with heating materials heatable by a varying magnetic field, where the heating material is free from aerosolizable material, allowing for efficient heat transfer and volatilization of aerosolizable materials like reconstituted tobacco, using induction and magnetic hysteresis heating processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If heating material is in direct contact with aerosolizable material, then heat transfer efficiency is improved, but risk of combustion increases
Solution Approach 1:
A non-combustible intermediate layer is introduced between the heating material and aerosolizable material. This intermediate layer acts as a mediator that conducts heat from the heating material to the aerosolizable material while preventing direct contact that would cause combustion. The intermediate layer maintains thermal efficiency while eliminating the harmful combustion effect.
2Productivity
If heating temperature is increased to improve volatilization, then efficiency of compound release is improved, but risk of combustion increases
Solution Approach 1:
The intermediate layer is designed with specific thermal properties that allow it to maintain a temperature gradient, keeping the heating material at higher temperatures for efficient volatilization while the aerosolizable material remains at lower temperatures below combustion point. This parameter control enables high productivity without combustion risk.
3Stability of the object's composition
If heating material is free from aerosolizable material, then heat distribution uniformity is improved, but manufacturing complexity increases
Solution Approach 1:
The heating material is divided into multiple functional layers, each with specific properties. The intermediate non-combustible layer is segmented into specific zones or patterns that optimize heat distribution while maintaining manufacturing feasibility. This segmentation achieves uniform heat distribution without excessive manufacturing complexity.
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 solution enables efficient heating of aerosolizable materials without combustion, achieving rapid and uniform temperature rise, improved heat distribution, and design flexibility, while maintaining cost-effectiveness and preventing hot spots.
Implementation Method 1
heating material that is heatable by penetration with a varying magnetic field to heat the aerosolizable material
Implementation Method 2
using induction and magnetic hysteresis heating processes
Data Source
AI summary
Disclosed is an aerosolizable structure for use in an article for use with apparatus for heating aerosolizable material to volatilize at least one component of the aerosolizable material. The aerosolizable structure includes a gathered layered structure having a first sheet including aerosolizable material and a second sheet including heating material that is heatable by penetration with a varying magnetic field to heat the aerosolizable material of the first sheet. The second sheet is free from aerosolizable material.