Aerosol Generator Contact Head Geometry for Reliable Power Connection

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Solution Overview

Problem

Existing aerosol delivery systems, such as electronic cigarettes, face challenges in durability and longevity, with a need for more reliable and durable designs.

Innovation Solution

The system incorporates an electrically conductive element with a neck and head configuration, designed to complement the non-planar surface profile of the aerosol generator, providing a secure and efficient connection to a power supply, while minimizing contact area to reduce particulate release and enhance taste.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a conductive element with neck and head configuration is used to connect the conductive surface to power supply, then the connection reliability and durability are improved, but the device complexity increases

Engineering Contradiction:
Improveconnection reliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The conductive element is divided into two distinct functional parts: a head portion for contacting the conductive surface and a neck portion for connecting to the power supply. This segmentation allows each part to be optimized for its specific function, improving overall connection reliability while maintaining manufacturing simplicity through modular design.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different portions of the conductive element have different geometries optimized for their local functions: the head has a larger contact area for stable electrical contact with the conductive surface, while the neck has a reduced profile for proper positioning and connection to the power supply terminals. This local differentiation improves connection reliability without requiring complex overall structure.

Inventive Principle:
Principle #3Local quality

2Reliability

If the conductive element contacts the conductive surface over a larger area, then the electrical connection stability is improved, but the particulate release increases and taste deteriorates

Engineering Contradiction:
Improveelectrical connection stabilityVSAvoidparticulate release
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The conductive element's head is segmented into a contact region that interfaces with the conductive surface and a connection region (neck) that interfaces with the power supply. This segmentation concentrates the electrical contact function in the head while minimizing the contact area through precise geometric design, thereby stabilizing electrical connection without excessive particulate release.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The geometry of the conductive element is optimized by adjusting parameters such as head diameter, neck diameter, and contact surface area. These parameter changes allow sufficient electrical contact for stability while limiting the contact area to reduce particulate generation, thus resolving the contradiction between connection stability and harmful emissions.

Inventive Principle:
Principle #35Parameter changes

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 design enhances the durability and reliability of aerosol delivery systems by improving the connection between the aerosol generator and power supply, reducing particulate release and maintaining aerosol purity.

Implementation Method 1

an aerosol generator having an electrically conductive surface for generating aerosol from aerosol-generating material by resistance heating in use

Methodology Applied
Scientific EffectResistance heating: Joule Heating

Data Source

PatentEP4623728A1Aerosol delivery system components, systems and methods
Publication Date: 2025.10.01 NICOVENTURES TRADING LTD
  • EP4623728A1 patent drawingFigure 1
  • EP4623728A1 patent drawingFigure 2~4
  • EP4623728A1 patent drawingFigure 5~6

AI summary

An aerosol delivery system comprising an aerosol generator (48) having an electrically conductive surface (49) for generating aerosol from aerosol-generating material by resistance heating in use, the system comprising an electrically conductive element 100 for connecting the conductive surface to a power supply, wherein the conductive element comprises a neck 115 and a head 112, the head for contacting the conductive surface of the aerosol generator.