Flat Heating Chamber Mounting for Reduced Body Heat Transfer
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Solution Overview
Problem
Existing aerosol generating devices suffer from inefficiencies in heating tobacco articles, leading to under-heating or over-heating, which affects vapor generation and user experience.
Innovation Solution
The device features a heating chamber with a flat shape and a mounting zone engaged by protruding parts, minimizing heat transfer through optimized attachment points and airflow channels, and includes thermal insulation and a seal to reduce heat transfer to the mouthpiece.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the heating chamber is extensively attached to the device body to ensure structural stability, then structural stability is improved, but heat dissipation increases causing device body over-heating
Solution Approach 1:
The heating chamber is divided into distinct functional zones: a heating zone with extensive attachments for structural stability, and a mounting zone with minimized attachments for heat isolation. This segmentation allows different parts of the heating chamber to serve different purposes - structural support and heat generation respectively.
Solution Approach 2:
The mounting zone is extracted as a distinct region from the heating chamber, specifically designed with minimized attachments to the device body. This extraction creates a thermal buffer zone that isolates the heating chamber from the device body, preventing heat transfer while maintaining structural integrity through selective attachment points.
2Stability of the object's composition
If the heating chamber is extensively attached to the device body to ensure structural stability, then structural stability is improved, but heating efficiency decreases due to heat dissipation
Solution Approach 1:
The heating chamber is segmented into a heating zone requiring structural stability and a mounting zone requiring thermal isolation. This allows the device to maintain structural integrity where needed while minimizing heat loss through strategic placement of attachments only in the mounting zone.
Solution Approach 2:
Different zones of the heating chamber are assigned different attachment densities: the heating zone has extensive attachments for structural support, while the mounting zone has minimized attachments for heat isolation. This local differentiation optimizes both structural stability and heating efficiency simultaneously.
3Temperature
If the heating chamber is minimally attached to reduce heat transfer, then device body over-heating is reduced, but structural stability decreases
Solution Approach 1:
The mounting zone is extracted as a specialized region with minimized attachments, creating a thermal buffer that isolates the heating chamber from the device body. This extraction allows the heating chamber to be thermally isolated while still maintaining structural stability through the carefully designed mounting zone attachments.
Solution Approach 2:
The heating chamber is segmented into zones with different attachment requirements, allowing the mounting zone to provide structural connection while minimizing heat transfer. The heating zone maintains structural integrity through its own internal architecture and selective attachments.
4Use of energy by moving object
If the heating chamber is minimally attached to minimize heat transfer, then heating efficiency is improved, but structural stability decreases
Solution Approach 1:
The heating chamber features local quality differentiation where the mounting zone has minimized attachments for heat isolation, while the heating zone maintains sufficient structural stability through its internal architecture and selective attachment points. This local optimization allows heating efficiency and structural stability to coexist.
Solution Approach 2:
The heating chamber is segmented into functional zones with different attachment characteristics, allowing the mounting zone to optimize for heat isolation while the heating zone optimizes for structural stability and heating performance.
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
Enhances heating efficiency, ensures rapid preheating, homogeneous vapor generation, and reduces device body overheating, providing a better user experience.
Implementation Method 1
heat, rather than burn, the substrate by conduction, convection and/or radiation
Implementation Method 2
heat, rather than burn, the substrate by conduction, convection and/or radiation
Implementation Method 3
heat, rather than burn, the substrate by conduction, convection and/or radiation
Implementation Method 4
mounting zone engaged with the support to form an attaching zone... minimizing heat transfer through optimized attachment points
Data Source
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AI summary
Aerosol generating device comprising a heating chamber (60) extending along a device axis (Y) and comprising a heating zone (62) adapted to heat at least a part of an aerosol generating article and a mounting zone (61). The mounting zone (61) is engaged with a support to form an attaching zone of the heating chamber (60) to the device body, said attaching zone being the only attaching zone of the heating chamber (60) to the device body. The mounting zone (61) is engaged with the support by means of at least one protruding part (80A, 80B). The heating chamber (60) forms a flat shape extending between two first parallel longitudinal planes. At least one protruding part (80A, 80B) extends according to a central plane arranged between the first parallel longitudinal planes.