Heater Container Air-Channel Layout for Efficient Aerosol Generation
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Solution Overview
Problem
Existing flavor inhalers face challenges in efficiently arranging air channels and heaters within their small size to optimize aerosol generation.
Innovation Solution
A heater assembly with a cylindrical container design that includes a first channel adjacent to the chamber, a second channel through the chamber, and a closed bottom surface, where the heater is positioned on the peripheral surface, allowing efficient aerosol generation and utilization of dead space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a separate heater assembly is used to heat the container, then heating function is provided, but the container structure becomes complex and occupies more space
Solution Approach 1:
The heater assembly is integrated directly into the container structure, merging the heating function with the container body. The heater is positioned within the container's bottom wall or side wall, eliminating the need for a separate external heater assembly and reducing overall structural complexity.
Solution Approach 2:
The container structure is designed to serve multiple functions: it acts as both the storage vessel and the heating chamber. The integrated heater allows the same structural elements to perform both containment and heating functions, reducing the need for additional specialized components.
2Temperature
If a separate heater assembly is used, then heating is achieved, but the overall device occupies more space
Solution Approach 1:
The heater assembly is nested within the container structure, with the heater positioned inside the container's wall thickness or internal volume. This nesting approach allows the heating element to be contained within the existing container boundaries, minimizing the increase in overall device volume.
3Temperature
If heating elements are placed inside the container, then heating efficiency is improved, but contamination risk increases
Solution Approach 1:
A flexible barrier membrane or thin film is introduced between the heating element and the container interior. This flexible barrier allows thermal energy to pass through while preventing direct contact between the heater and the contained material, thus maintaining heating efficiency while eliminating contamination risk.
Solution Approach 2:
An intermediary barrier layer is positioned between the heating element and the container contents. This intermediary component transfers thermal energy from the heater to the container interior while preventing direct contact and potential contamination, acting as a protective mediator.
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 generation efficiency by preheating airflow, conserving energy, and simplifying the structure while maintaining accurate temperature control.
Implementation Method 1
a heating element positioned inside the container and configured to heat the container to a desired temperature
Implementation Method 2
a sensor positioned inside the container and configured to sense a temperature of the container
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A heater assembly comprises a container including a cylindrical portion that forms a chamber in which a flavor generating article is contained, and a heater arranged in a peripheral surface of the cylindrical portion. The container includes a first channel extending along a longitudinal direction of the cylindrical portion and located adjacently to the chamber in a direction intersecting with the longitudinal direction of the cylindrical portion, and a second channel extending through the chamber along the longitudinal direction of the cylindrical portion. The first channel is in communication with the second channel.