Aerosol Provision Article with Open-Pore Cellular Heating
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Solution Overview
Problem
Existing smoking articles that burn tobacco produce smoke and do not effectively release compounds without combustion, and alternative heating devices face inefficiencies in aerosol generation and material utilization.
Innovation Solution
An article for an aerosol provision device featuring an open pore cellular member as a heating arrangement, which can be directly or indirectly heated, with aerosol-generating material disposed within its pores, allowing for efficient aerosol production through controlled heating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If traditional burning method is used to release compounds, then compounds are released effectively, but combustion occurs producing harmful smoke
Solution Approach 1:
The patent employs phase transition by heating the aerosol-generating material to a temperature sufficient to vaporize it and form an aerosol, but below the combustion point. This controlled phase change from solid/liquid to vapor state enables compound release without combustion, eliminating smoke while maintaining effectiveness.
Solution Approach 2:
The invention changes the temperature parameter to a specific range that enables vaporization without combustion. The heating arrangement is designed to maintain temperatures sufficient for aerosol generation but below the ignition point of the material, thereby releasing compounds effectively without producing harmful smoke.
2Object-generated harmful factors
If heating devices are used to release compounds without burning, then smoke is reduced, but aerosol generation efficiency is insufficient
Solution Approach 1:
The patent utilizes a porous or cellular structure for the heating arrangement or support, which increases the surface area contact between the heating element and the aerosol-generating material. This enhanced surface area improves heat transfer efficiency, enabling more effective and efficient aerosol generation without combustion.
Solution Approach 2:
The invention employs composite structures combining the aerosol-generating material with a suitable matrix or support material that has enhanced thermal properties. This composite arrangement improves heat distribution and aerosolization efficiency while maintaining the non-combustible characteristic.
3Object-generated harmful factors
If heating devices are used to release compounds without burning, then smoke is reduced, but material utilization is inefficient
Solution Approach 1:
The porous structure of the heating arrangement or support enables better penetration and distribution of the heating element throughout the aerosol-generating material. This ensures more uniform and complete vaporization of the material, improving utilization efficiency and reducing waste while maintaining smoke-free operation.
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
The open pore cellular member effectively heats aerosol-generating materials to produce aerosol efficiently, providing a non-combustible alternative to traditional smoking articles with enhanced control over aerosolization and material utilization.
Implementation Method 1
The heating member may be a foil. The open pore cellular member may be directly heated to act as the heating member. The open pore cellular member may be indirectly heated by the heating member.
Implementation Method 2
The aerosol-generating material may be disposed within the pores of the open pore cellular member.
Implementation Method 3
The heating member may be a resistive heating member configured to be heatable by passing a current through the heating member.
Implementation Method 4
The heating member may comprise a heating material that is heatable by penetration with a varying magnetic field.
Data Source
Figure 1
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AI summary
There is provided an article for use with an aerosol provision device. The article has a heating arrangement comprising an open pore cellular member defining at least part of a flow path through the heating arrangement.