Vaporizer Heating Element With Conductive Coating
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Solution Overview
Problem
Existing personal vaporizer devices, such as electronic cigarettes, face challenges in optimizing the vaporization process, including inefficient liquid delivery and potential for unvaporized liquid droplets to reach the user.
Innovation Solution
A vaporizer unit with a housing containing a reservoir for storing liquid, a heating element integrated with the liquid delivery means, and a configuration that includes a vaporization chamber to separate vapour from unvaporized liquid, ensuring efficient vaporization and minimizing liquid droplets in the vapour flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the heating element is integrated with the liquid delivery means, then the vaporization efficiency is improved and liquid delivery is optimized, but the manufacturing complexity increases
Solution Approach 1:
The heating element is integrated with the liquid delivery means by combining the heating element with the end wall of the reservoir that serves as the liquid delivery interface. This merging allows the heating element to be positioned directly at the liquid outlet, ensuring efficient heat transfer to the liquid and optimized vaporization without requiring separate complex liquid delivery mechanisms.
2Object-affected harmful factors
If a vaporization chamber is introduced to separate vapour from unvaporized liquid, then the safety and user protection are improved, but the device complexity increases
Solution Approach 1:
The vaporizer unit is segmented into distinct functional zones: a reservoir for liquid storage, a heating element for vaporization, and a vaporization chamber for separation. The vaporization chamber is positioned between the heating element and the user, creating a dedicated space where vapour can be generated and separated from unvaporized liquid droplets before reaching the user, thereby improving safety without requiring excessive complexity.
3Speed
If the heating element is positioned to heat liquid directly, then the vaporization speed is improved, but the risk of liquid droplets being transferred to vapour flow increases
Solution Approach 1:
The vaporization chamber acts as an intermediary between the heating element and the user. It receives the vapour generated by the heating element and provides a separation zone where unvaporized liquid droplets can be trapped or condensed, preventing them from mixing with the vapour flow that reaches the user. This intermediary structure maintains high vaporization speed while filtering out harmful liquid droplets.
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 vaporizer unit achieves efficient and homogeneous vaporization, reducing the risk of unvaporized liquid reaching the user and enhancing the overall performance and reliability of personal vaporizer devices.
Implementation Method 1
a heating element configured to heat the liquid to be vaporized to generate a vapour to be inhaled
Implementation Method 2
the heating element comprises an electrically conductive cover or coating applied to the second side of the liquid delivery means
Data Source
AI summary
A vaporizer unit for a personal vaporizer device, especially an electronic smoking article, includes a housing which encloses a reservoir for storing a liquid to be vaporized; a heating element configured and arranged for heating the liquid to be vaporized to generate a vapour to be inhaled; and a liquid delivery element which is configured to convey the liquid from the reservoir to the heating element for vaporization. The liquid delivery element includes at least a first side configured to be in contact with or to form a wall of the reservoir and a second side in contact with the heating element fluidly connected with the first side and wherein the heating element includes an electrically conductive cover or coating applied to the second side of the liquid delivery element. A personal vaporizer device includes the vaporizer unit.