Reduced-Mass Aerosol Consumable with Air Channels and Pressure Drop Member

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Solution Overview

Problem

Existing non-combustible aerosol provision devices face challenges in maintaining pressure drop while minimizing the mass of aerosol-generating material, which affects the efficiency and performance of aerosol generation.

Innovation Solution

Incorporating a first section of aerosol-generating material with a longitudinally-extending air channel and a pressure drop member upstream, where the pressure drop across the pressure drop member is higher than that across the first section, allowing for a reduced overall mass of aerosol-generating material while maintaining or increasing the overall pressure drop.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the mass of aerosol-generating material is reduced, then the device efficiency is improved, but the pressure drop decreases

Engineering Contradiction:

Improvedevice efficiencyVSAvoidpressure drop

Core Design Contradiction:

ProductivityVSStress or pressure

Solution Approach 1:

The consumable is divided into multiple sections: a first section with reduced mass and integrated air channels, and a second section with higher mass providing pressure drop. This segmentation allows each section to perform its specific function optimally while collectively resolving the contradiction between low mass and sufficient pressure drop.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

A pressure drop member is introduced as an intermediary component between the heating element and the aerosol-generating material. This intermediary element provides the necessary pressure drop independently, allowing the aerosol-generating material to have reduced mass without compromising the overall pressure drop requirement.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Weight of moving object

If the mass of aerosol-generating material is reduced, then the consumable mass is reduced, but the pressure drop across the consumable decreases

Engineering Contradiction:

Improveconsumable massVSAvoidpressure drop

Core Design Contradiction:

Weight of moving objectVSStress or pressure

Solution Approach 1:

The consumable is segmented into a first section with low mass for weight reduction and a second section with higher mass for pressure drop generation. This segmentation enables the overall consumable to achieve both low weight and sufficient pressure drop by distributing functions across different sections.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

A pressure drop member is introduced as an intermediary component that provides the necessary pressure drop independently of the aerosol-generating material mass. This allows the consumable to minimize weight while maintaining required pressure drop through the intermediary element.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Stress or pressure

If a pressure drop member is added to compensate for reduced material mass, then the pressure drop is maintained, but the device complexity increases

Engineering Contradiction:

Improvepressure dropVSAvoidconsumable structure

Core Design Contradiction:

Stress or pressureVSDevice complexity

Solution Approach 1:

The pressure drop member is merged with the aerosol-generating material structure, where the second section of aerosol-generating material serves dual purposes: it provides additional pressure drop and maintains structural integrity. This merging reduces the need for separate, complex pressure control mechanisms.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The second section of aerosol-generating material performs multiple functions: it provides pressure drop, maintains structural support, and ensures proper aerosol generation. This multi-functionality reduces the need for separate dedicated components, thereby limiting the increase in device complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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

This configuration enables efficient aerosol generation with reduced material usage, enhancing the performance and efficiency of the device by compensating for the lower pressure drop with a higher pressure drop member, thus optimizing the consumable's overall operation.

Implementation Method 1

the pressure drop across the pressure drop member is higher than the pressure drop across the first section of aerosol generating material

Methodology Applied

Scientific EffectPressure drop: Pressure Drop

Implementation Method 2

The heating volatilises at least one component of the material, typically forming an inhalable aerosol

Methodology Applied

Scientific EffectVolatilization: Evaporation

Data Source

PatentEP4599707A1A consumable for use with a non-combustible aerosol provision device and a system for heating aerosol-generating material

Publication Date: 2025.08.13 NICOVENTURES TRADING LTD

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AI summary

A consumable for use with a non-combustible aerosol provision device. The consumable comprises a first section of aerosol generating material arranged to comprise at least one longitudinally-extending air channel extending through the first section of aerosol generating material. The consumable further comprises a pressure drop member arranged upstream of the section of first section of aerosol generating material. The pressure drop across the pressure drop member is higher than the pressure drop across the first section of aerosol generating material.