Conductive Wire Heating Coil with Oxide Insulation
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Solution Overview
Problem
Existing heat-not-burn devices for aerosolizable materials face challenges in efficiently heating and volatilizing components without burning or combusting the material, requiring innovative designs for effective thermal transfer and material support.
Innovation Solution
The apparatus employs a conductive wire coil surrounded by a support structure, with a resilience-based clamping mechanism to hold the coil in place, and an oxide layer for electrical isolation, ensuring efficient heat transfer and separation between the wire and the consumable article, utilizing materials like aluminum and PEEK for enhanced performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If a conductive wire is used to heat aerosolizable material, then heating efficiency is improved, but electrical isolation and safety are worsened
Solution Approach 1:
An oxide layer is formed on the surface of the metallic receiving portion, positioned between the conductive wire and the metallic surface. This oxide layer acts as an intermediary that provides electrical isolation while allowing thermal energy to pass through, thus maintaining heating efficiency while improving electrical safety
Solution Approach 2:
The receiving portion utilizes a composite structure combining metal (for thermal conductivity) and oxide layer (for electrical insulation). This composite material approach allows simultaneous achievement of efficient heat transfer and electrical isolation properties
2Strength
If a support structure encapsulates the conductive wire, then structural support and separation are improved, but device complexity is worsened
Solution Approach 1:
The support structure performs multiple functions simultaneously: it provides structural support for the conductive wire, creates separation between the wire and consumable article, and defines the heating chamber geometry. By consolidating these functions into a single component, device complexity is minimized while achieving all required structural objectives
3Temperature
If the conductive wire is in direct contact with the consumable article, then heat transfer is improved, but material contamination and safety are worsened
Solution Approach 1:
The oxide layer on the metallic receiving portion serves as a mediator between the conductive wire and consumable article, enabling thermal energy transfer while preventing direct contact that would cause material contamination
Solution Approach 2:
The harmful function of direct contact (contamination) is extracted and removed from the system by introducing the oxide barrier layer, while the useful function of heat transfer is maintained through the barrier
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 effectively heats aerosolizable materials to volatilize components without combustion, providing improved thermal efficiency and safety, allowing for efficient inhalation of vaporized compounds.
Implementation Method 1
a conductive wire being arranged to generate heat for transfer to a received consumable aerosolizable material
Implementation Method 2
a layer of oxide formed on a surface of the metallic receiving portion, the layer of oxide being disposed between the metallic receiving portion and the conductive wire
Implementation Method 3
apparatus arranged to heat aerosolizable material to volatilize at least one component of the aerosolizable material
Data Source
AI summary
An apparatus arranged to heat aerosolizable material to volatilize at least one component of the aerosolizable material is disclosed. The apparatus includes a conductive wire defining a receiving portion arranged to receive a consumable article including aerosolizable material and a support structure encapsulating at least an outer edge of the conductive wire to thereby support the receiving portion.