Protruding Heating Portions for Uniform Aerosol Generation
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Solution Overview
Problem
Existing smoking alternatives that release compounds without burning tobacco lack efficient heating mechanisms that ensure uniform and controlled aerosol generation while maintaining airflow, leading to suboptimal user experience and device efficiency.
Innovation Solution
Aerosol provision devices with a heating assembly comprising a plurality of protruding heating portions, arranged in a plane, that intersect with a corrugated article containing aerosol generating material, allowing for independent heating and improved airflow pathways, enhancing heating efficiency and user control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a single heating element is used, then the device structure is simple, but the heating uniformity and aerosol generation control are insufficient
Solution Approach 1:
The heating assembly is divided into multiple discrete heating portions (first, second, third heating portions) arranged in a specific pattern. Each heating portion can be independently controlled, allowing precise thermal management of different regions of the aerosol generating material to achieve uniform heating and consistent aerosol generation.
Solution Approach 2:
Different heating portions are positioned to contact different regions of the aerosol generating material, enabling localized heating control. This allows specific areas to be heated to optimal temperatures for aerosol generation while maintaining overall heating uniformity across the entire material.
2Productivity
If heating portions are added to improve heating efficiency, then aerosol generation improves, but airflow path obstruction increases
Solution Approach 1:
The heating portions are designed with curved or rounded surfaces that conform to the shape of the aerosol generating material. This curved geometry allows better contact and heat transfer efficiency while creating smoother airflow paths that reduce turbulence and maintain adequate air flow through the heating zone.
Solution Approach 2:
The heating portions are arranged in a three-dimensional configuration within the heating zone, utilizing vertical and lateral spacing to create multiple heating levels. This spatial arrangement maximizes heating surface area contact with the material while preserving sufficient vertical clearance for airflow passage, thus maintaining both heating efficiency and airflow quantity.
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 solution provides uniform aerosol generation, improved heating efficiency, and enhanced user control over heating preferences, while maintaining optimal airflow, resulting in a more satisfying smoking experience.
Implementation Method 1
a heating assembly comprising a plurality of heating portions of the heating assembly arranged on a plane; wherein the heating portions of the heating assembly protrude in the heating zone and are configured to be received by the portion of the article received in the heating zone
Implementation Method 2
The aerosol generating device may comprise an inductor coil to supply a magnetic field for heating the susceptor
Implementation Method 3
The heating assembly may be an inductive heating assembly
Data Source
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AI summary
There is provided an aerosol provision device (100) for generating aerosol from aerosol generating material. The device (100) has a receptacle (108) defining a heating zone configured to receive at least a portion of an article (200) comprising aerosol generating material; and a heating assembly (112) comprising a plurality of heating portions of the heating assembly (112) arranged on a plane. The heating portions of the heating assembly (112) protrude in the heating zone and are configured to be received by the portion of the article (200) received in the heating zone.