Threaded Aerosol Heating Element for Secure Solid Material Engagement
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Solution Overview
Problem
Existing aerosol generating devices for tobacco and non-tobacco products either burn the material, which is undesirable, or rely on liquid e-cigarettes that may not provide a satisfying alternative for users who prefer a solid form.
Innovation Solution
A non-combustible aerosol generating device with a heating zone and a threaded arrangement that securely engages with an article containing aerosol-generating material, using a heatable heating element that can be penetrated by a varying magnetic field to efficiently vaporize the material without burning, and an actuating mechanism to rotate the article for optimal heating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a heating element is used to heat aerosol-generating material without combustion, then the harmful factors from burning are reduced, but the heating efficiency and contact with the material may be insufficient
Solution Approach 1:
The heating element is divided into multiple heating zones along its length, allowing different sections to heat different portions of the aerosol-generating material simultaneously. This segmentation increases the effective heating surface area and improves heating efficiency while maintaining the non-combustion advantage.
Solution Approach 2:
The heating element is inserted into a receptacle that holds the aerosol-generating material, creating a nested configuration where the heating element is surrounded by the material. This ensures maximum contact between the heating element and the material, improving heat transfer efficiency without requiring combustion.
2Reliability
If a threaded arrangement is added to secure the article in the heating zone, then the reliability of material heating is improved, but the device complexity increases
Solution Approach 1:
The threaded arrangement is integrated directly into the receptacle structure, combining the functions of holding the article and providing thermal engagement in a single component. This merging reduces the number of separate parts and simplifies the overall device while maintaining reliable securement of the aerosol-generating material.
3Productivity
If an actuating mechanism is added to rotate the threaded arrangement, then the productivity of aerosol generation is improved, but the device complexity and energy consumption increase
Solution Approach 1:
The actuating mechanism is designed to be automatically activated when an article is inserted into the receptacle. The insertion action itself triggers the rotation mechanism, eliminating the need for separate control inputs and reducing device complexity while maintaining improved aerosol generation productivity.
4Productivity
If the heating element protrudes into the heating zone to increase contact with material, then the heating efficiency is improved, but the ease of operation for article insertion is reduced
Solution Approach 1:
The heating element is designed with a flexible or movable configuration that allows it to adjust its position dynamically. During article insertion, the heating element can retract or flex to accommodate the article, and then return to its protruding position to maximize contact with the material during heating, thus balancing ease of operation with 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 device effectively generates an aerosol from aerosol-generating materials without combustion, providing a satisfying alternative to traditional smoking methods while ensuring secure and efficient heating of solid forms.
Implementation Method 1
The heating element may be heatable by penetration with the varying magnetic field in the heating zone
Implementation Method 2
The heating element may comprise part of a resistive heating arrangement
Data Source
AI summary
An aerosol generating device (101) is described. The device generates an aerosol from aerosol-generating material. The device has a heating zone (215) in which at least a portion of an article (110) containing aerosol-generating material is received. The device also has a heating assembly (201) comprising a heating element (320) arranged to heat the heating zone (215). A threaded arrangement (350) is in the heating zone to threadingly engage with the article when received in the heating zone.