Multi-Region Aerosol Heating Layout for Consistent Flow Density
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Solution Overview
Problem
Existing aerosol provision systems face inefficiencies in generating consistent aerosol density and distribution along the fluid flow path, leading to potential dilution and uneven aerosol delivery.
Innovation Solution
The system employs an aerosol provision device with an aerosol generator and article configured to generate aerosol from multiple generation regions, where each region extends further in a direction perpendicular to the fluid flow path, ensuring each region generates a predetermined volume of aerosol efficiently, using resistive heaters or magnetic field generators to heat but not burn the aerosol material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If aerosol is generated from a single generation region, then the device structure is simple, but the aerosol density and distribution along the fluid flow path are inconsistent and subject to dilution
Solution Approach 1:
The article is divided into multiple discrete portions of aerosol generating material, each associated with a separate generation region. Multiple aerosol generators independently heat each generation region, creating multiple aerosol generation zones along the fluid flow path. This segmentation ensures consistent aerosol density and distribution while maintaining reliable performance.
2Productivity
If generation regions extend further in the direction perpendicular to the fluid flow path (X > Y), then aerosol delivery efficiency increases, but the manufacturing precision requirements increase
Solution Approach 1:
Each generation region is configured with specific dimensional characteristics where the extension distance X perpendicular to the fluid flow path exceeds the extension distance Y in the flow path direction. This local quality optimization ensures each generation region contributes aerosol efficiently to the entire flow path while maintaining manufacturable precision through defined geometric relationships.
3Reliability
If multiple aerosol generators are used to heat multiple generation regions, then aerosol generation reliability improves, but the device complexity and energy consumption increase
Solution Approach 1:
The system employs multiple aerosol generators, each independently heating a specific generation region. This segmentation allows parallel aerosol generation across multiple zones, improving reliability and consistency of aerosol delivery while distributing the functional load across independent units.
Solution Approach 2:
Multiple aerosol generators operate simultaneously to heat multiple generation regions, merging their individual aerosol contributions into a unified aerosol stream along the fluid flow path. This combining approach ensures consistent aerosol density and distribution while leveraging the collective output of multiple generators.
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
This configuration enhances aerosol density and consistency along the flow path, minimizing dilution and increasing the overall aerosol delivery efficiency by ensuring each region contributes aerosol to the entire flow path, thereby improving user experience.
Implementation Method 1
heating a substrate that includes or is formed from an aerosol generating material to form a vapour which subsequently condenses in passing air so to form a condensation aerosol
Implementation Method 2
heating a substrate that includes or is formed from an aerosol generating material to form a vapour which subsequently condenses in passing air so to form a condensation aerosol
Implementation Method 3
at least one aerosol generator includes a resistive heater element or a magnetic field generator and a susceptor
Implementation Method 4
at least one aerosol generator includes a resistive heater element or a magnetic field generator and a susceptor
Data Source
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AI summary
An aerosol provision system (2) comprising an aerosol provision device (4) and an article (6) is disclosed. The article comprises a support (36) to which is applied at least one portion of an aerosol generating material. The aerosol provision device comprises an aerosol generator (12) and a receptacle (10) configured to receive the article. The aerosol generator and article are configured to generate aerosol from a plurality of generation regions (42) in the aerosol generating material when the article is received in the receptacle and the system is in use. The system defines a fluid flow path (18) from an inlet mouth (20) to an outlet mouth (22). The fluid flow path passes through the receptacle. Each of the plurality of generation regions are disposed along the fluid flow path. Each generation region is so configured and orientated that it extends an average distance X in a direction perpendicular to the fluid flow path and an average distance Y in the direction of the flow path, and for each generation region X is greater than Y. Each generation region is configured to generate at least a predetermined volume of aerosol in a predetermined period of time when the aerosol generator is activated.