Flavor Source Sheet Heating Layout for Burn-Free Aerosol Delivery
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Solution Overview
Problem
Existing smoking systems do not efficiently deliver vapor or aerosol to the user, and there is a risk of the flavor source sheet burning due to inadequate heat conduction and airflow management.
Innovation Solution
A smoking system with a flavor inhaler that includes a flavor-generating article comprising a first flavor source sheet and a heating source, separated by heat conducting portions, with defined air flow paths to enhance airflow and heat conduction, using materials like carbonates, ceramics, carbon, and metals to prevent burning and improve delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If heat conducting portions are arranged between the flavor source sheet and heating source, then heat conduction efficiency is improved, but device complexity increases
Solution Approach 1:
Heat conducting portions are introduced as intermediary components between the heating source and flavor source sheet. These portions serve as thermal mediators that transfer heat efficiently without requiring direct contact between the heating source and flavor material, thus improving heat conduction efficiency while managing structural complexity through modular design
Solution Approach 2:
The heating interface is segmented into multiple heat conducting portions rather than a single continuous contact area. This segmentation allows for optimized heat distribution across the flavor source sheet while maintaining manageable structural complexity through repetitive modular units
2Productivity
If air flow path is provided between flavor source sheet and heating source, then vapor delivery efficiency is improved, but heat conduction effectiveness deteriorates
Solution Approach 1:
Different regions of the flavor source sheet are assigned different qualities: areas with heat conducting portions for thermal processing and areas with air flow paths for vapor generation and delivery. This local differentiation allows simultaneous optimization of heat conduction where needed and vapor delivery where required
Solution Approach 2:
The interface between heating source and flavor source sheet is segmented into distinct functional zones: heat conduction zones with heat conducting portions and air flow zones with flow paths. This segmentation enables independent optimization of thermal transfer and vapor transport functions
3Ease of manufacture
If flavor source sheet is heated directly, then heating simplicity is improved, but burning risk increases
Solution Approach 1:
Heat conducting portions serve as intermediary thermal management components that distribute heat evenly across the flavor source sheet. This intermediary layer prevents direct intense heating that causes burning while maintaining the simplicity of the overall heating process through straightforward thermal conduction
Solution Approach 2:
The heating process utilizes parameter changes in the heat conducting portions, which can be made from materials with specific thermal properties. These portions modify heat transfer parameters to prevent localized overheating and burning while maintaining overall heating 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
The system efficiently delivers vapor or aerosol to the user by optimizing airflow and heat conduction, preventing the flavor source sheet from burning, and maintaining consistent flavor generation throughout the smoking session.
Implementation Method 1
heat of the heating source is transmitted to the first flavor source sheet through the heat conducting portions
Implementation Method 2
a heating source for heating the flavor-generating article
Implementation Method 3
the first flavor source sheet is capable of generating vapor or aerosol at the aerosol-generating face
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
This smoking system is provided with: a flavor inhaler; a flavor generating article that includes a first flavor source sheet; a heating source that heats the flavor generating article; two or more heat conduction parts that are disposed apart from each other between the first flavor source sheet and a first surface of the heating source; and a first air flow passage that is provided between the first flavor source sheet and the heating source.