Induction Heater Aerosolization for Nicotine Delivery
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Solution Overview
Problem
Existing alternatives to smoking articles that burn tobacco, such as heating devices, face challenges in efficiently releasing nicotine and aerosol generating agents without burning the material, requiring innovative methods to achieve effective aerosolization.
Innovation Solution
An aerosol generating system utilizing an induction heater to heat an aerosol generating material, including nicotine, to at least 150°C under an airflow of 1.50 L/m for a two-second period, achieving aerosolization of at least 10 μg of nicotine or aerosol generating agent with a weight ratio of aerosol generating agent to nicotine of at least 2.5:1.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If heating devices are used to release compounds without burning, then combustion-related harmful factors are reduced, but aerosolization efficiency and nicotine delivery are insufficient
Solution Approach 1:
The patent replaces traditional combustion-based heating with induction heating technology. The induction heater uses electromagnetic fields to directly heat the aerosol generating material without flame or combustion, eliminating combustion harmful factors while achieving efficient aerosolization through controlled electromagnetic heating at temperatures of at least 150°C
Solution Approach 2:
The patent optimizes multiple parameters including heating temperature (at least 150°C), airflow rate (at least 1.50 L/m), and heating duration (two-second period) to achieve effective aerosolization. By carefully controlling these parameters, the system delivers at least 10 μg of nicotine while maintaining efficient aerosol generation without combustion
2Productivity
If heating temperature is increased to improve aerosolization, then aerosol generation efficiency increases, but risk of burning the material increases
Solution Approach 1:
Induction heating replaces conventional resistive or flame-based heating methods. The electromagnetic induction allows precise control of heating temperature, achieving the required 150°C for effective aerosolization while preventing overheating and burning through controlled electromagnetic field application
Solution Approach 2:
The induction heating system incorporates temperature monitoring and control mechanisms that provide feedback to maintain optimal heating temperature. This ensures the material reaches the necessary temperature for aerosolization (at least 150°C) without exceeding safe limits that would cause burning or degradation
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 system effectively aerosolizes significant amounts of nicotine and aerosol generating agents, providing a controlled and efficient method for nicotine delivery with precise heat management, enhancing the performance of heat-not-burn devices.
Implementation Method 1
an aerosol generating device comprising an induction heater, wherein during operation, the article is inserted into the device and an aerosol is generated by using the induction heater to heat the aerosol generating material to at least 150° C.
Data Source
AI summary
An aerosol generating system comprising (i) an aerosol generating article comprising an aerosol generating material which comprises nicotine and/or aerosol generating agent, and (ii) an aerosol generating device comprising an induction heater, wherein during operation, the article is inserted into the device and an aerosol is generated by using the induction heater to heat the aerosol generating material to at least 150° C., wherein at least (i) 10 μg of nicotine, and/or (ii) 10 μg of aerosol generating agent, is aerosolized from the aerosol generating material under an airflow of at least 1.50 L/m during a two-second period.