Embedded Heating Elements for Energy-Efficient Aerosol Consumables
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Solution Overview
Problem
Existing consumables for aerosol generation devices lack energy efficiency and have complex manufacturing processes.
Innovation Solution
A consumable with a columnar aerosol generation substrate and an embedded heating element, where the heating element comprises a base portion and elongate portions extending along the columnar portion, is driven into the substrate using a force applied to the base portion, enhancing energy efficiency and simplifying manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If a conventional heating element is used in aerosol generation devices, then the device can generate aerosol, but the energy efficiency is poor
Solution Approach 1:
The patent replaces conventional resistive heating elements with an inductive heating system. The inductive heating element generates an oscillating magnetic field that directly induces eddy currents in the aerosol substrate, converting electromagnetic energy directly into heat within the substrate material. This eliminates the need for direct contact between the heating element and substrate, reducing energy loss and improving thermal efficiency.
Solution Approach 2:
The patent changes the heating mechanism from resistive heating to inductive heating, fundamentally altering the physical parameters of the heating process. The inductive heating element operates at specific frequencies to optimize energy transfer to the substrate, changing the thermal field distribution and improving overall energy efficiency of the aerosol generation process.
2Manufacturing precision
If complex manufacturing processes are used for consumables, then the heating element can be precisely positioned, but the manufacturing complexity increases
Solution Approach 1:
The patent incorporates the heating element into the consumable cartridge during the manufacturing process itself, rather than requiring separate assembly steps. The inductive heating element is pre-positioned and secured within the cartridge housing, ensuring precise alignment with the aerosol substrate chamber before the product reaches the consumer. This preliminary integration eliminates complex field assembly operations.
Solution Approach 2:
The cartridge design integrates multiple functions into a single replaceable unit: the aerosol substrate storage chamber, the inductive heating element mounting structure, and the airflow pathway are all combined in one standardized cartridge. This universal design allows for precise positioning of the heating element relative to the substrate while simplifying the overall manufacturing process through modular assembly.
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 improves energy efficiency in aerosol generation and simplifies the manufacturing process, resulting in a more efficient and cost-effective consumable for aerosol generation devices.
Implementation Method 1
the heating element is an inductive heating element
Implementation Method 2
The inductive heating element may be surrounded by a solenoid configured to generate an oscillating magnetic field to induce eddy currents around the columnar portion
Implementation Method 3
heating the columnar portion of aerosol generation substrate using the heating element to generate the inhalable aerosol
Data Source
AI summary
A consumable for an aerosol generating device, methods and systems for manufacturing a consumable, and methods for using a consumable are provided. The consumable includes a columnar portion of aerosol generation substrate; and a heating element embedded in the columnar portion. The heating element includes a base portion and a plurality of elongate portions extending from the base portion along the columnar portion. The heating element is adapted to be driven towards the columnar portion via a force applied to the base portion.


