Inductively Heated Substrate Tablet for Consistent Aerosol Delivery

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Solution Overview

Problem

Existing smoking articles struggle to provide consistent performance characteristics while heating tobacco or tobacco-derived materials without significant combustion, aiming to replicate the sensations of cigarette, cigar, or pipe smoking.

Innovation Solution

An aerosol delivery device that uses an inductively-heated substrate tablet, comprising a granular substrate material and a susceptor component, to produce an inhalable aerosol without substantial combustion, utilizing a resonant transmitter and control component to heat the susceptor component.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If electrical energy is used to heat tobacco or tobacco-derived materials without significant combustion, then harmful combustion byproducts are reduced, but consistent performance characteristics are difficult to achieve

Engineering Contradiction:
Improvecombustion byproductsVSAvoidperformance consistency
Core Design Contradiction:
Object-affected harmful factorsVSReliability

Solution Approach 1:

A susceptor component is introduced as an intermediary between the electromagnetic field and the tobacco material. The susceptor absorbs electromagnetic energy and converts it to heat, which is then transferred to the tobacco. This mediator enables controlled heating without direct combustion, reducing harmful byproducts while maintaining consistent performance through precise energy transfer.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent utilizes changes in electromagnetic field parameters (frequency, power levels) and susceptor properties (material composition, geometry) to optimize heating efficiency. By adjusting these parameters, the system achieves consistent heating performance across different operating conditions while maintaining temperatures below combustion thresholds, thereby reducing harmful factors.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If a susceptor component is added to enable inductive heating, then heating efficiency and performance consistency are improved, but device complexity increases

Engineering Contradiction:
Improveperformance consistencyVSAvoiddevice structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The susceptor component is merged with the tobacco material itself rather than being a separate assembly. The susceptor particles are mixed into the tobacco blend, creating a unified material that simplifies the overall device structure. This integration maintains heating efficiency and performance consistency while reducing structural complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The susceptor material is distributed homogeneously throughout the tobacco blend, ensuring uniform heating across the entire material. This homogeneous distribution simplifies the heating process and eliminates the need for complex positioning mechanisms, thereby improving performance consistency without significantly increasing device complexity.

Inventive Principle:
Principle #33Homogeneity

3Object-affected harmful factors

If inductive heating is used to vaporize material, then combustion is avoided and harmful factors are reduced, but manufacturing precision requirements increase

Engineering Contradiction:
Improvecombustion byproductsVSAvoidsubstrate tablet formation
Core Design Contradiction:
Object-affected harmful factorsVSManufacturing precision

Solution Approach 1:

The patent optimizes parameters such as susceptor particle size, concentration, and distribution within the tobacco material to achieve uniform electromagnetic energy absorption. By carefully controlling these manufacturing parameters, the system ensures consistent heating performance without combustion, thereby reducing harmful factors while managing manufacturing precision requirements.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The invention creates a composite material combining tobacco particles with susceptor particles. This composite structure ensures uniform distribution of heating properties throughout the material, simplifying the manufacturing process and reducing precision requirements compared to using pure tobacco that would require extremely precise heating control to avoid combustion.

Inventive Principle:
Principle #40Composite materials

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 device effectively heats the substrate material to produce an aerosol that mimics the experience of smoking, with improved performance characteristics and reduced combustion byproducts.

Implementation Method 1

the susceptor component is configured to be heated by the resonant transmitter

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

Inductively-Heated Substrate Tablet For Aerosol Delivery Device

Methodology Applied
Scientific EffectInduction heating: Induction Heating

Implementation Method 3

utilize electrically-generated heat to heat substrate material, which may be tobacco or a tobacco derived material, preferably without significant combustion, in order to provide an inhalable substance in the form of an aerosol

Methodology Applied
Scientific EffectVaporization: Evaporation

Data Source

PatentUS12343471B2Inductively-heated substrate tablet for aerosol delivery device
Publication Date: 2025.07.01 NICOVENTURES TRADING LTD
  • US12343471B2 patent drawing
  • US12343471B2 patent drawing
  • US12343471B2 patent drawing

AI summary

An aerosol delivery device and a substrate tablet for use with an inductively-heated aerosol delivery device are provided. The aerosol delivery device comprises a control body having a housing, a mouthpiece portion located proximate the housing, a resonant transmitter located in the control body, a control component configured to drive the resonant transmitter, and a substrate tablet receivable in the device. The substrate tablet may comprise a granular substrate material and a susceptor component, the substrate material and the susceptor component may be configured to be formed together, and the susceptor component may be configured to be heated by the resonant transmitter.