Twisted Cotton Wick Diameter Control for Vaporizer Leakage
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Solution Overview
Problem
Existing vapor provision systems, such as electronic cigarettes, face challenges in reducing leakage, ensuring consistent vapor generation, and preventing overheating due to insufficient liquid replenishment, which can lead to undesirable flavors and performance issues.
Innovation Solution
A method of manufacturing wick material for vapor provision systems involves providing cotton threads and twisting them to form a wick material with a controlled diameter within a specific tolerance, ensuring consistent performance and reducing leakage. The wick material is used in a vaporizer assembly to efficiently transport liquid to the heating element.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If wick material diameter is not precisely controlled, then manufacturing is easier and less costly, but vapor generation consistency deteriorates and leakage increases
Solution Approach 1:
The patent applies parameter changes by precisely controlling the wick material diameter within a specific tolerance range (+5%/â2.5% of target diameter). This dimensional parameter control optimizes capillary action for consistent liquid transport, resolving the contradiction between manufacturing precision and ease of manufacture by establishing clear dimensional specifications that balance both requirements.
Solution Approach 2:
The patent replaces complex mechanical assembly variations with a standardized twisted cotton thread structure. By substituting variable mechanical configurations with a consistent twisted geometry and controlled diameter, the system achieves reliable vapor generation without requiring complex manufacturing processes.
2Manufacturing precision
If wick material diameter varies, then manufacturing is simpler, but leakage increases
Solution Approach 1:
The patent controls the wick material diameter parameter within a tight tolerance range to prevent leakage. By maintaining uniform diameter, the capillary forces remain consistent, ensuring reliable liquid transport without overflow or leakage, thus resolving the contradiction between manufacturing precision and reliability.
3Manufacturing precision
If wick material diameter is not controlled, then production is faster, but overheating occurs due to insufficient liquid replenishment
Solution Approach 1:
The patent establishes a specific diameter tolerance range that optimizes liquid transport rate. By controlling the diameter parameter, the wick material achieves sufficient liquid replenishment speed to prevent overheating, while the manufacturing process maintains productivity through efficient twisting of cotton threads to the specified dimensions.
4Manufacturing precision
If wick material diameter varies, then manufacturing flexibility is higher, but vapor generation consistency deteriorates
Solution Approach 1:
The patent controls the wick material diameter parameter to ensure consistent capillary action and uniform liquid transport. This dimensional consistency directly translates to stable vapor generation, resolving the contradiction between manufacturing precision and composition stability by establishing clear dimensional specifications.
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 use of twisted cotton wick material in vaporizer assemblies enhances vapor generation consistency, reduces the likelihood of leakage, and minimizes overheating, resulting in improved performance and user experience.
Implementation Method 1
a liquid transport element (capillary wick) that is arranged to transport source liquid from a reservoir to the heater coil
Implementation Method 2
a vapor generation chamber containing a vaporizer assembly arranged to vaporize a portion of precursor material to generate a vapor in the vapor generation chamber through heat vaporization
Implementation Method 3
a heater coil arranged around a liquid transport element
Data Source
AI summary
A method of manufacturing wick material for use as a liquid transport element in a vapor provision system, the method including providing at least one cotton thread; and twisting the at least one cotton thread to form the wick material, wherein the wick material diameter is controlled to meet a target diameter within a tolerance of +5%/â2.5% of the target diameter.