Aerosol Rod Plug for Heating Element Insertion
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Solution Overview
Problem
Current non-combustible aerosol provision systems face challenges in efficiently delivering aerosols from aerosol-generating materials without combustion, particularly in maintaining consistent aerosol generation and reducing material displacement during heating, which affects packing density and aerosol quality.
Innovation Solution
The system incorporates a rod of aerosol-generating material with a plug at the distal end, where the heating element extends through, and a cooling segment with a filtration segment, along with a wrapper that enhances aerosol formation and reduces material displacement, using a paper plug that can be crimped or gathered to facilitate easy insertion of the heating element.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the heating element is inserted directly into the aerosol-generating material without a plug, then the insertion process is simpler, but the material displacement increases and packing density deteriorates
Solution Approach 1:
A plug made of compressible material (such as paper or foam) is introduced as an intermediary component between the heating element and the aerosol-generating material. The plug facilitates the insertion process by providing a receptive target for the heating element while maintaining the integrity and packing density of the surrounding aerosol-generating material. The heating element passes through the plug rather than directly displacing the aerosol-generating material.
2Reliability
If the aerosol-generating material is tightly packed to improve aerosol quality, then the aerosol generation consistency improves, but the material becomes more difficult to penetrate by the heating element
Solution Approach 1:
The plug serves as a mediator that the heating element can easily penetrate or pass through, while the tightly packed aerosol-generating material remains undisturbed. This allows the system to maintain high packing density for consistent aerosol generation while facilitating easy insertion of the heating element through the plug structure.
Solution Approach 2:
The plug provides a localized region with different physical properties (more compressible, easier to penetrate) compared to the surrounding aerosol-generating material. This local variation in material properties allows the heating element to be inserted easily at the insertion point while the rest of the aerosol-generating material maintains its tight packing for consistent aerosol generation.
3Manufacturing precision
If a plug is added to the distal end of the aerosol-generating material, then the packing density and aerosol quality improve, but the device complexity increases
Solution Approach 1:
The plug is made from thin, flexible materials such as paper or foam that can be easily formed and integrated into the article structure. These materials allow the plug to be manufactured as a simple component that maintains the packing density of the aerosol-generating material without significantly increasing the overall device complexity.
4Strength
If the plug is made from rigid material to maintain structural integrity, then the packing density is maintained, but the heating element insertion becomes difficult
Solution Approach 1:
The plug is made from materials with specific mechanical properties (compressibility, flexibility) that allow it to be easily penetrated or compressed by the heating element during insertion. Materials such as paper or foam provide sufficient structural integrity to maintain packing density while being soft enough to allow easy heating element insertion through compression or deformation of the plug material.
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 ensures consistent aerosol generation, improved packing density, and reduced material displacement, resulting in enhanced aerosol quality and user experience by maintaining the integrity of the aerosol-generating material during heating.
Implementation Method 1
tobacco heating devices heat an aerosol generating substrate such as tobacco to form an aerosol by heating, but not burning, the substrate
Implementation Method 2
A cooling segment may be located between the aerosol-generating material and the mouth end
Implementation Method 3
A filtration segment may be located between the cooling segment and the mouth end
Data Source
AI summary
An article for use in a non-combustible aerosol provision system that includes an aerosol provision device. The article includes a rod of aerosol-generating material having a distal end for insertion into the non-combustible aerosol provision device such that a heating element of the device extends into the rod of aerosol-generating material through said distal end. The article includes a plug at said distal end of said aerosol-generating material that is configured such that the heating element extends into the rod of aerosol-generating material through the plug. A system including a non-combustible aerosol provision device having a heating element; and an article including a rod of aerosol-generating material is also disclosed.