Induction-Heated Flavor Inhaler Cartridge for Leak-Free Atomization
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Solution Overview
Problem
Existing flavor inhalers lack a novel structure that efficiently heats and atomizes a slurry containing a flavor source and aerosol source without causing leakage or inefficiencies in heat transmission.
Innovation Solution
A flavor inhaler design that uses an induction coil to heat the bottom wall of a pod containing a slurry, which includes a flavor source and aerosol source, with a porous structure to prevent leakage and maintain atomization efficiency by minimizing heat dispersion to the pod's side wall.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the induction coil heats the entire pod including side walls, then heating efficiency is improved, but heat loss increases and flavor atomization consistency deteriorates
Solution Approach 1:
The heating focus is localized to the bottom wall of the pod where the slurry is contained, rather than heating the entire pod structure. The induction coil is positioned and configured to concentrate electromagnetic energy on the bottom wall, which has direct contact with the slurry, while the side walls are thermally isolated or have reduced heating to minimize energy loss and maintain consistent atomization.
Solution Approach 2:
The pod structure is segmented into different thermal zones: the bottom wall is designed as the primary heating zone with high thermal coupling to the slurry, while the side walls are separated thermally or structurally to prevent heat dispersion. This segmentation allows efficient heat transfer to the slurry while minimizing unnecessary heating of non-functional areas.
2Ease of manufacture
If the pod structure is simplified for ease of manufacture, then manufacturing cost is reduced, but leakage prevention capability deteriorates
Solution Approach 1:
The pod utilizes a thin-film or flexible membrane structure at critical sealing locations to prevent slurry leakage. This thin-film approach maintains manufacturing simplicity while providing effective leakage prevention through material properties rather than complex structural designs.
Solution Approach 2:
The pod is constructed using composite materials that combine manufacturing ease with leakage resistance. The material composition provides both structural integrity for simple fabrication and functional properties for reliable sealing and leakage prevention.
3Reliability
If the porous structure is added to the pod to prevent leakage, then sealing performance is improved, but device complexity increases
Solution Approach 1:
A porous structure is integrated into the pod design to provide leakage prevention through capillary action and surface tension effects. The porous material allows for controlled fluid management while maintaining a relatively simple overall device structure, avoiding the need for complex mechanical sealing systems.
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 design ensures consistent flavor delivery by maintaining the ratio of aerosol to flavor, preventing leakage, and reducing heat loss, thus ensuring stable and efficient aerosol generation.
Implementation Method 1
an induction coil arranged to face the bottom wall of the container and configured to inductively heat the bottom wall of the container
Implementation Method 2
the induction coil is arranged to face the bottom wall of the container and configured to inductively heat the bottom wall of the container
Data Source
Figure 1
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AI summary
Provided are a cartridge having a novel structure and a flavor inhaler. A cartridge for a flavor inhaler is provided. The cartridge includes a container that accommodates at least a flavor source. The container includes a cylindrical side wall, a bottom wall made of conductive material and provided to a first end of the side wall, and a porous structure arranged to close at least a part of an opening of a second end of the side wall.