Conical Heating Element Airflow Grooves Aerosol System
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Solution Overview
Problem
Existing aerosol generating systems with conically shaped heating elements lack an efficient airflow system to effectively collect and direct vaporized vaporizable material towards the mouthpiece.
Innovation Solution
The system incorporates a conically shaped heating element with interfacing layers of porous material to wick vaporizable material and an airflow management system featuring fresh air grooves and airflow channel grooves to optimize airflow and vapor direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a conically shaped heating element is used, then vaporization efficiency is improved, but airflow management becomes difficult
Solution Approach 1:
The heating element surface is segmented into multiple heating zones, and the airflow path is divided into distinct channels (fresh air channels, aerosol channels, exhaled air channels). This segmentation allows independent optimization of vaporization and airflow management, resolving the contradiction between conical heating efficiency and airflow control complexity.
Solution Approach 2:
A porous interfacing layer is introduced as an intermediary between the vaporizable material capsule and the heating element. This layer facilitates controlled liquid transport and airflow distribution, simplifying the overall system while maintaining conical heating effectiveness.
2Ease of operation
If porous material is used to wick liquid, then liquid transport is improved, but system cleaning becomes difficult
Solution Approach 1:
The vaporizable material capsule containing the porous interfacing layer is designed as a disposable component that is replaced after each use. This eliminates the need for cleaning the porous material, as it is discarded with the consumed vaporizable material, while maintaining efficient liquid transport during its service life.
Solution Approach 2:
The porous interfacing layer is extracted from the main device body and integrated into the disposable capsule assembly. This separation allows the porous material to perform its liquid transport function without remaining in the device for cleaning, resolving the contradiction between transport efficiency and cleaning ease.
3Productivity
If grooves are added for airflow management, then vapor delivery is improved, but manufacturing complexity increases
Solution Approach 1:
The airflow channels and heating zones are merged into an integrated conical structure where the grooves are formed as part of the heating element or capsule molding process. This combining approach allows complex airflow management features to be manufactured using standard injection molding techniques, reducing manufacturing complexity while maintaining vapor delivery efficiency.
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 airflow management, ensuring efficient vaporization and aerosol delivery, while maintaining a clean and efficient system by localizing the porous layer and renewing the grooves with each vaporizable material capsule change.
Implementation Method 1
the interfacing layer comprising a porous material configured to wick vaporizable material from the slanted surface of the contacting element to the slanted surface of the heating element
Implementation Method 2
a conically shaped heating element configured to generate an aerosol by evaporating a vaporizable material on a slanted surface
Data Source
Figure 1
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AI summary
An aerosol generating system comprises a conically shaped heating element (101) configured to generate an aerosol by evaporating a vaporizable material on a slanted surface (104), and a vaporizable material capsule (102) configured to contain a vaporizable material (103), whereby the vaporizable material capsule comprises a conically shaped contacting element having a slanted surface (105) configured to mate with the conically shaped heating element in use. An interfacing layer (106) is arranged in said gap contacting the slanted surfaces of both the heating element and contacting element, the interfacing layer comprising a porous material configured to wick vaporizable material from the slanted surface of the contacting element to the slanted surface of the heating element, and an airflow management system is arranged in the vicinity of the interfacing layer, including fresh air grooves (200) and airflow channel grooves (201) in the walls of the conically shaped contacting element and/or in the slanted surface of the conically shaped heating element, and configured respectively to conduct fresh air or the aerosol.