Foaming Aerosol Generator Without Heating Power Control

Solution Overview

Problem

Aerosol generating devices that heat aerosol-generating materials face power consumption issues, safety concerns, and complex design challenges, necessitating a more convenient and safer alternative.

Innovation Solution

An aerosol generating device that produces aerosol through a foaming reaction between a solid and liquid material, eliminating the need for power control elements by using a foaming phenomenon to generate the aerosol.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If heating method is used to generate aerosol, then aerosol can be generated effectively, but power consumption increases and safety problems occur

Engineering Contradiction:

Improveaerosol generation effectivenessVSAvoidpower consumption

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The invention changes the fundamental parameter of aerosol generation from thermal heating to chemical foaming reaction. By using a foaming agent that reacts with liquid to produce foam, the system eliminates the need for high-power heating elements while maintaining effective aerosol generation through the mechanical expansion and breakdown of foam bubbles

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent replaces the mechanical/thermal heating system with a chemical reaction system. Instead of using electrical heating elements to vaporize liquid, the system uses a foaming agent that chemically reacts with the liquid to generate foam, which then breaks down into aerosol particles, substituting thermal energy conversion with chemical energy conversion

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If heating method is used to generate aerosol, then aerosol can be generated effectively, but safety problems occur due to heating

Engineering Contradiction:

Improveaerosol generation effectivenessVSAvoidsafety hazards from heating

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The invention changes the fundamental parameter of aerosol generation from thermal heating to chemical foaming reaction. By using a foaming agent that reacts with liquid to produce foam, the system eliminates the need for high-power heating elements while maintaining effective aerosol generation through the mechanical expansion and breakdown of foam bubbles

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent converts the potentially harmful thermal energy into a beneficial chemical reaction process. Instead of using heat that could cause burns or fire hazards, the system utilizes a controlled chemical foaming reaction that naturally limits temperature rise while still producing the desired aerosol effect

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

3Reliability

If heating method is used to generate aerosol, then aerosol can be generated effectively, but design complexity of electronic elements increases

Engineering Contradiction:

Improveaerosol generation effectivenessVSAvoidelectronic control elements

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical/thermal heating system with a chemical reaction system. Instead of using electrical heating elements to vaporize liquid, the system uses a foaming agent that chemically reacts with the liquid to generate foam, which then breaks down into aerosol particles, substituting thermal energy conversion with chemical energy conversion

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The invention extracts and removes the complex electronic control elements required for heating-based aerosol generation. By eliminating the need for temperature sensors, power regulation circuits, and heating element control, the system simplifies the overall device architecture while maintaining aerosol generation functionality

Inventive Principle:

Principle #2Taking out (Extraction)

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 provides a simpler and safer method of generating aerosol by leveraging a foaming reaction, reducing power consumption and design complexity.

Implementation Method 1

an aerosol is generated by a foaming reaction caused when a solid material and a liquid material come in contact with each other

Methodology Applied

Scientific EffectFoaming reaction: Foam

Data Source

PatentEP3880012B1An aerosol generating device

Publication Date: 2026.02.11 KT&G CO LTD

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AI summary

An aerosol generating device includes: a liquid storage configured to store a liquid material; an aerosol generating space configured to accommodate a solid material including a tobacco material and a foamable material such that an aerosol is generated as the solid material comes in contact with the liquid material in the aerosol generating space; a liquid transfer tube connected to the liquid storage and the aerosol generating space such that the liquid material moves from the liquid storage to the aerosol generating space; and a mouthpiece configured to discharge the aerosol generated in the aerosol generating space, according to a user's inhalation.