Flared Heater Assembly for Aerosol Device Insertion
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Solution Overview
Problem
Existing aerosol provision devices face difficulties in easily inserting aerosol generating materials due to the close fit between the heater assembly and the material, which can cause damage during insertion.
Innovation Solution
The aerosol provision device features a heater assembly with a flared end having a wider internal cross-section at one end than the main heating portion, allowing easier insertion of the aerosol generating material while minimizing heat loss and maintaining compactness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the heater assembly has a close fit with the aerosol generating material, then heating efficiency is improved, but insertion difficulty increases and damage to the material occurs
Solution Approach 1:
The heater assembly is divided into two distinct portions: a first portion with a larger internal cross-section for easy material insertion, and a second portion with a smaller internal cross-section for efficient heating. This segmentation allows each portion to fulfill its specific function without compromising the other.
Solution Approach 2:
Different portions of the heater assembly have different internal cross-sectional dimensions tailored to their specific functions. The first portion has a larger cross-section to facilitate insertion, while the second portion has a smaller cross-section to maintain close fit and heating efficiency. This local differentiation resolves the contradiction between ease of insertion and heating efficiency.
2Use of energy by moving object
If the heater assembly has a close fit with the aerosol generating material, then heating efficiency is improved, but damage to the material during insertion increases
Solution Approach 1:
The heater assembly is segmented into a first portion with larger internal cross-section for insertion and a second portion with smaller internal cross-section for heating. This segmentation prevents damage during insertion while maintaining heating efficiency in the second portion.
Solution Approach 2:
The first portion of the heater assembly is designed with a larger internal cross-section to create a guide path that facilitates easy insertion of the aerosol generating material before the material reaches the heating section. This preliminary design feature prevents damage during the insertion process.
3Ease of operation
If the heater assembly has a flared end with larger internal cross-section, then insertion ease is improved, but device compactness decreases
Solution Approach 1:
The heater assembly is divided into a first portion with larger internal cross-section for insertion and a second portion with smaller internal cross-section for heating. This segmentation allows the device to maintain compactness in the heating region while providing ease of insertion through the flared first portion.
Solution Approach 2:
The internal cross-sectional dimensions are optimized locally for different functions: the first portion has larger dimensions for insertion ease, while the second portion has smaller dimensions for compactness and efficient heating. This local optimization resolves the contradiction between insertion ease and device compactness.
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 flared design facilitates easy insertion of aerosol generating materials without damage, while maintaining efficient heating and reducing heat loss, ensuring a balanced user experience and device performance.
Implementation Method 1
at least one coil and a heater assembly arranged to receive aerosol generating material, wherein at least a portion of the heater assembly is heatable by the at least one coil
Implementation Method 2
at least one coil and a heater assembly arranged to receive aerosol generating material, wherein at least a portion of the heater assembly is heatable by the at least one coil
Implementation Method 3
at least one inductor coil for generating a varying magnetic field; and a susceptor assembly arranged to receive aerosol generating material, wherein at least a portion of the susceptor assembly is heatable by penetration with the varying magnetic field
Implementation Method 4
at least one inductor coil for generating a varying magnetic field; and a susceptor assembly arranged to receive aerosol generating material, wherein at least a portion of the susceptor assembly is heatable by penetration with the varying magnetic field
Data Source
AI summary
An aerosol provision device includes at least one inductor coil for generating a varying magnetic field and a susceptor assembly arranged to receive aerosol generating material. The susceptor assembly is heatable by penetration with the varying magnetic field and includes a first portion defining an opening at one end of the susceptor assembly, where the opening has a first internal cross section. The susceptor assembly further includes a second portion adjacent to the first portion. The second portion has a second internal cross section that is less than the first internal cross section.