Mesh Heating Wire Aerosol Temperature Control
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Solution Overview
Problem
Aerosols delivered through an air flow path in aerosol-generating devices often lose temperature, making it difficult for users to experience the heat typically associated with smoking, leading to a less satisfying experience.
Innovation Solution
A cartridge with a heating wire arranged in a mesh shape within the air flow path to heat the aerosol, ensuring it reaches a target temperature of at least 45°C, providing warmth and enhancing the smoking experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If aerosol is delivered through air flow path, then aerosol can reach user, but aerosol temperature decreases making it difficult for user to feel heat
Solution Approach 1:
The heating wire is positioned in the air flow path to preheat the aerosol before it reaches the user. This preliminary heating action ensures the aerosol maintains sufficient temperature during delivery, resolving the contradiction between aerosol delivery and temperature maintenance.
Solution Approach 2:
The heating wire acts as an intermediary element between the aerosol generation source and the user. It transfers thermal energy to the aerosol during its passage through the air flow path, enabling temperature control without directly heating the aerosol at the source.
2Temperature
If heating wire is added to air flow path, then aerosol can be heated, but device complexity increases
Solution Approach 1:
The heating wire serves multiple functions: it heats the aerosol, maintains temperature during delivery, and enhances user experience. By consolidating these functions into a single component within the existing air flow path structure, the design avoids adding separate heating systems, thus minimizing complexity increase.
Solution Approach 2:
The heating wire is strategically positioned only in the specific region of the air flow path where aerosol temperature needs adjustment. This localized approach allows temperature control without requiring heating elements throughout the entire device, thereby limiting the increase in device complexity to only the necessary area.
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 heating wire effectively maintains the aerosol's temperature, providing a satisfying warmth to the user by heating it to at least 15°C higher than ambient temperature, ensuring a consistent and enjoyable experience.
Implementation Method 1
a heating wire having a mesh shape, configured to generate heat
Implementation Method 2
a heater configured to generate an aerosol by heating the aerosol-generating material
Data Source
AI summary
A cartridge used for an aerosol-generating apparatus includes a liquid storage configured to store an aerosol-generating material, a heater configured to generate an aerosol by heating the aerosol-generating material, an air flow path through which the aerosol passes to be discharged to the outside of the cartridge, and a heating wire having a mesh shape, configured to generate heat, and arranged in the air flow path such that the aerosol is heated by the heating wire while passing through the air flow path.