E-cigarette Liquid Reservoir Docking Valve Air Venting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing electronic smoking devices, such as e-cigarettes, face challenges in efficiently refilling their liquid reservoirs without leakage or spillage, and ensuring easy access for refilling while maintaining device functionality.
Innovation Solution
The device incorporates a docking valve system with a liquid duct that opens into the refillable liquid reservoir at a distance from the docking valve, allowing air to escape during refilling, and a flexible sealing mechanism to prevent liquid leakage, along with a snap-fit connection for secure refilling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the liquid duct opens directly at the docking valve, then refilling is simple, but air cannot escape causing leakage
Solution Approach 1:
The liquid duct is segmented into two separate openings: one at the docking valve for liquid intake and another at a distance from the docking valve for air escape. This segmentation allows independent optimization of liquid filling and air venting functions, preventing pressure buildup that would cause leakage while maintaining simple refilling operation.
Solution Approach 2:
The air escape opening acts as an intermediary pathway that allows air to vent during refilling before the liquid reaches the docking valve. This intermediary air venting mechanism prevents air trapped in the reservoir from causing pressure buildup and leakage, while the liquid duct remains simple and direct for user refilling.
2Productivity
If the liquid duct opens close to the docking valve, then liquid flow is efficient, but air entrapment causes leakage
Solution Approach 1:
The liquid duct system is segmented with the air escape opening separated from the docking valve opening. This spatial segmentation allows the liquid duct to maintain close proximity to the docking valve for efficient liquid flow, while the separate air escape opening provides a dedicated pathway for air venting, preventing air entrapment and subsequent leakage.
3Reliability
If a complex sealing mechanism is used at the docking valve, then leakage is prevented, but refilling becomes difficult
Solution Approach 1:
The air escape function is extracted from the docking valve assembly and implemented as a separate air escape opening in the liquid duct. This extraction allows the docking valve to focus solely on liquid sealing and filling operations, maintaining simple and easy refilling operation, while the separate air escape opening handles the air venting function to prevent leakage.
Solution Approach 2:
The separate air escape opening serves as an intermediary mechanism that prevents air pressure buildup during refilling. By providing this intermediary air venting pathway, the system achieves reliable leakage prevention without requiring complex sealing mechanisms at the docking valve itself, maintaining easy refilling operation.
Data Source
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).