Aerosol Delivery Consumable Units with Inductive Susceptor Pouches
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Solution Overview
Problem
Traditional smoking articles suffer from issues such as scorching of wrapping material, production of undesirable gases like carbon monoxide and carbon dioxide, and poor aerosolization of aerosol-forming components, leading to a less enjoyable smoking experience.
Innovation Solution
Aerosol delivery devices with reusable and replaceable consumable units that utilize an ignitable heat source and a substrate material, heated by an inductive heating assembly, which includes a susceptor pouch and a resonant transmitter to ignite the heat source and aerosolize the substrate material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If traditional combustion methods are used to heat tobacco, then heat generation is effective, but scorching of wrapping material and production of undesirable gases occur
Solution Approach 1:
The patent replaces the traditional mechanical/chemical combustion system with an inductive heating system using a susceptor pouch and resonant transmitter. This electromagnetic field-based heating method generates heat without open flame, eliminating scorching of wrapping materials and harmful combustion byproducts while maintaining effective temperature generation for aerosolization.
Solution Approach 2:
The patent creates a controlled heating environment where the susceptor pouch contains the heat source and substrate material, isolating the combustion process from the wrapping materials. This containment prevents harmful interactions between the heat source and external materials, eliminating scorching while maintaining the necessary thermal environment for aerosol generation.
2Temperature
If traditional combustion is used, then heat source is provided, but undesirable gases like carbon monoxide and carbon dioxide are produced
Solution Approach 1:
The patent substitutes traditional combustion-based heating with inductive heating using electromagnetic fields. The resonant transmitter generates an oscillating magnetic field that induces eddy currents in the susceptor pouch, converting electromagnetic energy directly into thermal energy without combustion. This eliminates the production of harmful gases like carbon monoxide and carbon dioxide while providing sufficient heat for aerosolization.
Solution Approach 2:
The patent converts the harmful combustion process into a beneficial electromagnetic heating process. By using the susceptor pouch as an intermediary that absorbs electromagnetic energy and converts it to heat, the system achieves the desired thermal effect without the harmful byproducts of combustion, effectively transforming a potentially harmful energy conversion process into a clean one.
3Temperature
If traditional heating methods are used, then substrate material can be heated, but aerosolization of aerosol-forming components is poor
Solution Approach 1:
The patent applies localized heating through the susceptor pouch that is in direct contact with or proximate to the substrate material containing aerosol-forming components. The inductive heating system concentrates electromagnetic energy at the specific location where aerosolization is needed, ensuring uniform and sufficient heating of the substrate material to achieve effective aerosol generation without overheating other components.
Solution Approach 2:
The susceptor pouch acts as an intermediary between the resonant transmitter and the substrate material. It absorbs electromagnetic energy, converts it to thermal energy, and transfers this heat to the substrate material, enabling efficient aerosolization of aerosol-forming components. This intermediary mechanism ensures controlled and effective heat transfer that optimizes aerosol generation.
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
Provides an enjoyable smoking experience by avoiding combustion, reducing undesirable gas production, and ensuring effective aerosolization of aerosol-forming components, with easy-to-use and replaceable components.
Implementation Method 1
the inductive heating assembly is configured to heat the susceptor pouch to ignite the ignitable heat source
Implementation Method 2
an inductive heating assembly, wherein the heat source of the consumable unit is contained within a susceptor pouch
Implementation Method 3
which includes a susceptor pouch and a resonant transmitter to ignite the heat source and aerosolize the substrate material
Data Source
AI summary
The present disclosure is directed to an aerosol delivery device and a consumable unit for use with a holder of an aerosol delivery device. In one example implementation, the consumable unit comprises an ignitable heat source and a substrate material having an aerosol precursor composition configured to form an aerosol upon application of heat thereto. The heat source of the consumable unit is contained within a susceptor pouch, and the susceptor pouch is configured to be heated by an inductive heating assembly to ignite the heat source. In some implementations, the susceptor pouch comprises the consumable unit. In other implementations, the substrate material is contained within a substrate container.