Porous Heating Element for Even Vaporization in E-Cigarettes

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing electronic smoking devices face issues with uneven heating of the wick, leading to inconsistent vaporization of the liquid, which results in a non-fresh taste and inefficient vapor generation.

Innovation Solution

The electronic smoking device incorporates a heating section with a porous material and a heating element that heats the porous material evenly, ensuring consistent heat distribution and vaporization of the aerosolizable substance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If a heating element directly contacts a wick to vaporize liquid, then vaporization occurs, but uneven heating results in inconsistent taste and inefficient vapor generation

Engineering Contradiction:

Improveheating temperature uniformityVSAvoidvaporization consistency

Core Design Contradiction:

TemperatureVSReliability

Solution Approach 1:

A porous vaporization element is introduced as an intermediary between the heating element and the liquid reservoir. The heating element heats the porous element, which then distributes heat uniformly throughout its structure through capillary action and thermal conduction, ensuring consistent vaporization of liquid across all contact points without direct heating element-liquid contact.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The vaporization element utilizes a porous structure that allows liquid to be drawn through capillary forces while providing extensive surface area for heat distribution. The porous material conducts heat uniformly from the heating element throughout its structure, ensuring even heating of liquid at all vaporization points and eliminating hot spots that cause inconsistent taste.

Inventive Principle:

Principle #31Porous materials

2Productivity

If heating is concentrated in specific areas of the wick, then some liquid evaporates quickly, but other areas remain cold causing stale taste and poor vapor generation

Engineering Contradiction:

Improvevapor generation efficiencyVSAvoidtaste consistency

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The porous vaporization element is designed with uniform pore distribution and consistent material properties throughout its structure. This homogeneity ensures that heat from the heating element is distributed evenly across all regions of the element, causing uniform liquid evaporation rates throughout and producing consistent vapor quality and taste across all puffs.

Inventive Principle:

Principle #33Homogeneity

3Ease of operation

If the heating element heats only specific parts of the wick, then vapor generation is difficult to control, but complete heating of all areas would require excessive energy

Engineering Contradiction:

Improvevapor flow control precisionVSAvoidheating energy consumption

Core Design Contradiction:

Ease of operationVSUse of energy by moving object

Solution Approach 1:

The porous vaporization element utilizes its own capillary structure to draw liquid from the reservoir and distribute it uniformly across its surface area. This self-service mechanism ensures that liquid is continuously supplied to all heated regions without requiring external pumping or complex control systems, enabling precise vapor flow control through simple heating while maintaining energy efficiency.

Inventive Principle:

Principle #25Self-service

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 solution achieves consistent and repeatable taste experiences for consumers and enables precise control over vapor flow rates, addressing the inefficiencies and taste inconsistencies of previous devices.

Implementation Method 1

the heating element is arranged in a way that it at least partially contacts the porous material to distribute heat from the hating element into the porous material

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

the heating element heats the porous material, wherein the porous material transfers the heat to the substance

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 3

the substance from the substance cartridge preferably does not directly get into direct contact with the heating element... the heating element heats the porous material, wherein the porous material transfers the heat to the substance

Methodology Applied

Scientific EffectEvaporation: Evaporation

Data Source

PatentUS20250072501A1Heating Socket System for Electronic Smoking Devices

Publication Date: 2025.03.06 JT INTERNATIONAL SA

AI summary

An electronic smoking device for generating an inhalable aerosol, wherein the electronic smoking device includes a mouth piece and a body section, the body section including a substance cartridge with an aerosolizable substance, a heating section, and a hull, wherein the heating section is arranged in between the mouth piece and the substance cartridge, and wherein the heating section is heatable to aerosolise the aerosolizable substance. The heating section includes a porous material and a heating element to heat the porous material, wherein the porous material also includes a cavity which creates a fluid flow path from the substance cartridge to the mouth piece.