Electronic Smoking Device Liquid Duct Refilling
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Solution Overview
Problem
Existing electronic smoking devices face challenges in efficiently refilling their liquid reservoirs, particularly in ensuring a secure and efficient mechanism for adding liquid while preventing air from entering the reservoir during the refilling process.
Innovation Solution
The electronic smoking device incorporates a docking valve system with a flexible sealing element and a rigid counter sealing element, along with a liquid duct that opens into the reservoir at a distance from the docking valve, allowing for easy refilling while preventing air from entering the reservoir.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a docking valve system is used for refilling, then the refilling process becomes secure and efficient, but the device complexity increases
Solution Approach 1:
The sealing mechanism is segmented into two distinct elements: a flexible sealing element and a rigid counter sealing element. This segmentation allows each element to perform its specific function optimally - the flexible element adapts to sealing surfaces while the rigid element provides structural stability - thereby achieving reliable sealing without requiring an overly complex integrated mechanism.
Solution Approach 2:
The flexible sealing element acts as an intermediary between the docking valve and the rigid counter sealing element. This intermediary component facilitates the sealing process by accommodating minor misalignments and surface irregularities, enabling reliable connection while simplifying the overall docking mechanism.
2Reliability
If the liquid duct opens into the reservoir at a distance from the docking valve, then air is prevented from entering the reservoir, but the liquid duct length increases
Solution Approach 1:
The liquid duct is positioned to open into the reservoir at a specific location away from the docking valve, creating a local quality difference in the reservoir architecture. This positioning exploits the natural air exit paths and liquid flow patterns to prevent air entrapment while maintaining acceptable duct length, achieving reliable air prevention without excessive length increase.
3Reliability
If a flexible sealing element is used in the valve, then sealing effectiveness is improved, but the valve complexity increases
Solution Approach 1:
The flexible sealing element is implemented as a thin, flexible component that can deform to conform to sealing surfaces. This flexible shell approach provides effective sealing by adapting to surface irregularities while maintaining a simple valve structure, as the flexibility itself provides the sealing mechanism rather than requiring complex actuation systems.
Solution Approach 2:
The flexible sealing element introduces dynamic capability to the valve system, allowing the seal to adapt its shape and position during the docking and undocking processes. This dynamic behavior enables reliable sealing with minimal structural complexity, as the flexibility provides both the sealing function and the adaptation capability.
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 solution ensures a secure and efficient refilling process by maintaining the integrity of the liquid reservoir during refilling, preventing air from entering and ensuring consistent performance of the device.
Implementation Method 1
a valve for releasing gas from the refillable liquid reservoir when refilling the refillable liquid reservoir, the valve comprising a flexible sealing element and an essentially rigid counter sealing element formed by an outer side wall section of the central passage
Implementation Method 2
a liquid duct that is adapted to receive liquid from the docking valve. The liquid duct opens into the refillable liquid reservoir at a distance to the docking valve
Implementation Method 3
The atomizer vaporizes or atomizes liquid supplied from a reservoir and provides vaporized or atomized liquid as an aerosol
Data Source
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AI summary
The invention relates to an electronic smoking device (100) with an atomizer/liquid reservoir portion (114) and to an atomizer/liquid reservoir portion (114). In order to facilitate refilling a liquid reservoir (134) of the atomizer/liquid reservoir portion (114), the atomizer/liquid reservoir portion (114) comprises a docking valve (146) for docking a source of liquid (148) to be stored in the liquid reservoir (134), and a liquid duct (156) that is adapted to receive liquid (172) from the docking valve (146) and that opens into the refillable liquid reservoir (134) at a predetermined distance (A) to the docking valve (146).