Induction-Heated Wick Vaporizer for Temperature Control
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Solution Overview
Problem
Current e-cigarette vaporizers face issues such as higher coil temperatures leading to unwanted chemical reactions, electrical conductivity affecting performance, and practical design resulting in leaks.
Innovation Solution
The use of induction heating in a vaporizer device with a combined wick and heating element, where the wick is inductively heated, reduces temperature gradients, separates electrical paths from air and liquid, and provides precise control over heating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a heating coil is used to vaporize liquid, then vaporization can be achieved, but the coil temperature becomes excessively high causing unwanted chemical reactions
Solution Approach 1:
The patent introduces a wick as an intermediary substance between the heating coil and the liquid. The wick absorbs and transports liquid to the heating surface, allowing the coil to operate at higher temperatures while the liquid itself remains at lower temperatures during vaporization, preventing unwanted chemical reactions
Solution Approach 2:
The patent changes the physical state and temperature parameters by using a wick to separate the heating process from the vaporization process. The wick material properties (porosity, surface area, thermal conductivity) are optimized to maintain liquid at lower temperatures while allowing efficient heat transfer for vaporization
2Productivity
If the heating coil is placed close to the liquid for efficient heating, then vaporization efficiency improves, but electrical conductivity of the liquid affects device functioning
Solution Approach 1:
The wick serves as an electrical insulator and thermal mediator, allowing the heating coil to be positioned close to the liquid for efficient heating while preventing direct electrical contact between the coil and conductive liquid, thus maintaining device reliability
Solution Approach 2:
The patent replaces direct electrical heating of liquid with thermal conduction through the wick material, substituting an electrical contact system with a thermal conduction system that is immune to liquid electrical conductivity issues
3Ease of operation
If conventional reservoir and wick design is used, then liquid transport is achieved, but leaks occur in practical operation
Solution Approach 1:
The patent employs porous wick materials with controlled pore sizes and distributions to optimize capillary action for liquid transport while providing structural integrity to prevent leaks. The porous structure allows efficient liquid uptake and transport while maintaining sealing properties
Solution Approach 2:
The patent uses composite wick structures combining different materials with complementary properties - one material providing capillary action for liquid transport and another providing structural support and leak prevention, creating a composite system that achieves both functions
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 approach achieves even heating, reduces the risk of chemical reactions, prevents electrical conductivity issues, and minimizes leaks, resulting in a more efficient and safer vaporization process.
Implementation Method 1
an induction heating element inductively coupled to the wick element; wherein the wick element is configured to heat the vaporizable substance based on induction heating of the wick element by the induction heating element
Implementation Method 2
an induction heating element inductively coupled to the wick element
Implementation Method 3
the wick element is configured to contact the vaporizable substance located in the cartridge... the wick element is configured to heat the vaporizable substance... vaporize liquid
Implementation Method 4
a wick, typically made from glass fiber or stainless steel mesh, wicks the liquid into a heating coil
Data Source
AI summary
A vaporizer device is provided, including: a housing; a cartridge including a reservoir, the reservoir being configured to hold a vaporizable substance; a wick element located within the cartridge, the wick element being configured to contact the vaporizable substance located in the cartridge, and the wick element including a mesh, the mesh including two or more materials woven together; and an induction heating element, the cartridge being positioned such that the induction heating element is around at least a portion of the cartridge, and the wick element being at least partially surrounded by the induction heating element, and the wick element being further configured to heat the vaporizable substance based on induction heating of the wick element by the induction heating element.