Movable Induction Heating System for Selective Aerosol Generation
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Solution Overview
Problem
Existing smoking alternatives that heat tobacco or non-tobacco products lack efficient mechanisms for selectively heating aerosol-generating materials to produce aerosols without combustion, leading to inefficient energy use and limited control over aerosol composition.
Innovation Solution
A non-combustible aerosol provision device with a movable heating system, such as a rotatable or translatable induction heating system, that allows for selective heating of aerosol-generating material portions, using a susceptor and induction coil to heat the material efficiently and control the aerosol generation process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a heating device heats the entire aerosol-generating material, then sufficient aerosol can be generated, but energy consumption increases and control over aerosol composition decreases
Solution Approach 1:
The heating system is divided into multiple independent heating zones or modules that can selectively heat different portions of the aerosol-generating material. This segmentation allows the device to heat only the necessary portions to generate adequate aerosol, reducing overall energy consumption while maintaining the ability to control which material components are vaporized, thereby controlling aerosol composition.
Solution Approach 2:
The heating system applies localized heating to specific regions of the aerosol-generating material rather than uniform heating of the entire material. This local quality approach enables selective vaporization of particular components or flavors, providing control over aerosol composition while minimizing energy usage by heating only the required local areas.
2Ease of operation
If a stationary heating system is used, then the device structure is simple, but selective heating of different material portions is difficult
Solution Approach 1:
The heating system incorporates movable or adjustable heating elements that can be dynamically positioned to contact or approach different portions of the aerosol-generating material. This dynamic capability enables selective heating of specific material regions without requiring a completely complex multi-zone heating structure, as a single movable heater can service multiple areas sequentially or simultaneously.
Solution Approach 2:
The heating system utilizes spatial movement or positioning in addition to thermal control, adding a positional dimension to the heating function. This allows a relatively simple heating element to achieve selective heating by moving to different locations, effectively using spatial arrangement to provide functionality that would otherwise require multiple fixed heating zones.
3Reliability
If traditional heating methods are used, then combustion may occur, but controlled volatilization without combustion is difficult to achieve
Solution Approach 1:
The heating system precisely controls thermal parameters such as temperature, heating rate, and heating duration to maintain conditions below the combustion point while achieving sufficient volatilization. By carefully adjusting these parameters, the system reliably prevents combustion while maintaining high aerosol generation efficiency through optimized thermal processing of the material.
Solution Approach 2:
The heating system incorporates temperature sensing and control mechanisms that provide feedback to regulate heating intensity and prevent combustion. This feedback control ensures that the material is heated to the appropriate temperature for aerosol generation without exceeding the threshold for combustion, maintaining both safety and 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 enables efficient heating of aerosol-generating materials, reducing energy consumption and allowing for controlled aerosol composition and flavor delivery, providing a more effective alternative to traditional smoking methods.
Implementation Method 1
an induction coil operable to cause heating of the susceptor in use
Implementation Method 2
heating of the susceptor in use
Data Source
AI summary
A non-combustible aerosol provision device for generating an aerosol from an article, comprising an aerosol-generating material, the device including a receptacle to receive, in use, the article; a heating system for heating the aerosol-generating material when the article is received in the receptacle, wherein at least one part of the heating system and the receptacle are relatively movable; a selector operable to select one or more portions of the aerosol-generating material, from a plurality of portions of the aerosol-generating material, for heating by the heating system; and a controller configured to cause at least the part of the heating system to move relative to the receptacle to be positioned such that, in use, the one or more portions of the aerosol-generating material is, or are, heatable by the heating system.