Cylindrical Infrared Heating Assembly for Uniform Aerosol Heating

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Solution Overview

Problem

Existing aerosol generating devices face issues with heating element strength and installation inconvenience due to central heating element heating methods, particularly with heating wires that are prone to deformation and difficult to install.

Innovation Solution

A heating component with a hollowed-out cylindrical heating main body and spaced-apart heating portions that allow infrared light transmission, featuring a design with parallel, inclined, or intersected heating portions and a conductive limiting portion for easy installation and uniform heating.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a heating wire is used as the heating element, then the device can generate infrared light for heating, but the heating wire is prone to deformation and difficult to install

Engineering Contradiction:
Improveheating element stabilityVSAvoidinstallation convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The heating element is divided into multiple heating portions (first heating portion, second heating portion, etc.) that are spatially separated and independently arranged. Each heating portion can be independently positioned and secured, making installation easier while maintaining overall structural stability. The segmentation allows each segment to be optimized for its specific location and function.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The heating portions are nested within the pipe body structure, with each heating portion positioned within a designated space inside the pipe body. The heating portions are arranged concentrically or radially within the pipe body cavity, allowing compact integration while maintaining accessibility for installation and securing.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Use of energy by moving object

If the heating element is placed close to the pipe body, then heating efficiency is improved, but the heating element deforms under heat

Engineering Contradiction:
Improveheating efficiencyVSAvoidheating element shape stability
Core Design Contradiction:
Use of energy by moving objectVSStability of the object's composition

Solution Approach 1:

A heat-resistant insulating material is introduced as an intermediary between the heating portions and the pipe body. This insulating layer allows the heating portions to be positioned close to the pipe body for efficient heat transfer while protecting the heating elements from direct contact with high temperatures that would cause deformation. The intermediary material transfers heat effectively while maintaining structural integrity.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The heating element structure uses composite materials that combine materials with different thermal properties. The heating portions are made of materials with high infrared radiation capability, while the supporting structure and insulation use heat-resistant materials. This composite approach allows close positioning for efficiency while maintaining shape stability through the heat-resistant material properties.

Inventive Principle:
Principle #40Composite materials

3Manufacturing precision

If multiple heating portions are arranged, then uniform heating is achieved, but the device complexity increases

Engineering Contradiction:
Improvetemperature distribution uniformityVSAvoidheating element structure complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The heating element is segmented into multiple heating portions that are distributed at different locations within the pipe body. This segmentation allows each portion to heat a specific zone, achieving uniform temperature distribution throughout the heated material. The segmented structure can be manufactured using standardized components that are easily assembled.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The heating portions are designed with universal mounting structures and standardized interfaces that allow them to be arranged in various configurations. The same basic heating portion design can be positioned at different locations and orientations to achieve uniform heating, reducing the need for custom-designed heating elements for different applications.

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

Ensures uniform heating, reduces deformation, and simplifies installation, enhancing the vaping experience by maintaining perpendicularity and ensuring consistent temperature distribution.

Implementation Method 1

the heating element, in a powered-on state, generates infrared light, and the infrared light passes through the pipe body and heats the aerosol-forming substrate

Methodology Applied
Scientific EffectInfrared radiation: Infrared Radiation

Implementation Method 2

the heating main body generates infrared light in a powered-on state

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Implementation Method 3

the pipe body is configured to allow the infrared light to pass through, and the transmittance of the pipe body to infrared light at the wavelengths of 2-4.75 μm is more than or equal to 50%

Methodology Applied
Scientific EffectInfrared transmission: Infrared Radiation

Data Source

PatentEP4710798A1Aerosol generation apparatus and heating assembly thereof
Publication Date: 2026.03.18 SMOORE INTERNATIONAL HOLDINGS LIMITED
  • EP4710798A1 patent drawingFigure 1
  • EP4710798A1 patent drawingFigure 2
  • EP4710798A1 patent drawingFigure 3

AI summary

Disclosed are an aerosol generating device and a heating component thereof. The heating component includes a heating element and a pipe body. The heating element includes a heating main body which generates infrared light in a powered-on state. The heating main body is arranged in a hollowed-out cylindrical shape, and spaced apart from the pipe body; and the pipe body is configured to allow the infrared light to pass through. In the present disclosure, the heating main body is arranged in the hollowed-out cylindrical shape, a production mode is simple, and the heating main body may be hollowed-out according to a requirement for a temperature field. In addition, the heating main body is not easily deformed when heated, to ensure normal use of the heating main body, thereby improving experience of a consumer.