Heating Cup Structure for Uniform Aerosol Heating
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Solution Overview
Problem
Existing aerosol generating devices face issues with heat management during frequent or prolonged use, requiring high power consumption and complex manufacturing processes, and often necessitate frequent battery recharging or replacement.
Innovation Solution
A heating assembly with an elongated heating cup featuring a tubular wall with alternating planar and convex sections, where the planar sections are covered by resistive heater tracks, ensuring efficient thermal conduction and reduced power requirements, while being easy to manufacture and use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a heating assembly is integrated into a aerosol generating device, then the device can provide heated aerosol output, but the device complexity increases
Solution Approach 1:
The heating assembly is integrated within the aerosol generating device, combining the heating function with the aerosol generation system. The heating element, housing, and aerosol generation components are merged into a unified structure, allowing heated aerosol output while managing complexity through functional integration rather than separate components.
2Adaptability or versatility
If a heating assembly is integrated into a aerosol generating device, then the device can provide heated aerosol output, but the device size increases
Solution Approach 1:
The heating assembly is nested within the aerosol generating device structure. The heating element is positioned within the aerosol generation chamber or housing, allowing the heating components to occupy space that would otherwise be unused or to serve dual purposes with the aerosol generation mechanism, thereby minimizing the overall device size increase.
3Adaptability or versatility
If a heating assembly is integrated into a aerosol generating device, then the device can provide heated aerosol output, but manufacturing cost increases
Solution Approach 1:
The heating assembly utilizes resistive heating, a well-understood and cost-effective thermal conversion method. By employing standard heating elements and conventional materials, the manufacturing cost is controlled. The design allows for the use of readily available components and straightforward assembly processes, making the heated aerosol capability economically viable.
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 solution provides safer, more reliable, and compact aerosol generating devices with lower power consumption and improved heat distribution, enhancing user safety and device efficiency.
Implementation Method 1
a heating element positioned within the aerosolizing liquid in the heating assembly such that the heating element is immersed in the aerosolizing liquid
Data Source
Figure 1a~1b
Figure 2~3b
AI summary
There are provided heating assemblies (10) for an aerosol generating device comprising an elongated heating cup (12) comprising a tubular wall (14) forming a cavity for receiving a tubular aerosol generating article therein and a resistive heater (16) arranged for heating upon application of an electrical current thereto; the resistive heater being arranged in thermal conduction on the outer surface of the tubular wall; wherein the tubular wall comprises, at its circumference, a successively circumferential and alternate distribution of substantially planar wall portions (14a) and convex wall portions (14b); wherein the number of substantially planar wall portions is three or more; and, wherein the substantially planar wall portions are substantially planar both at the outer surface and inner surface of the tubular wall. Also provided are systems comprising aerosol generating devices with such heating assemblies and aerosol generating devices.