E-Cigarette Charging Case with Closed-System E-Liquid Refill
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Solution Overview
Problem
Conventional e-cigarettes face challenges in replicating the user experience of smoking a cigarette, including the need for frequent battery recharging and e-liquid refilling, which complicates their use and hinders mass-market adoption.
Innovation Solution
An e-cigarette system with a user-replaceable e-liquid reservoir and a portable, personal storage and carrying case that combines e-liquid refilling and battery charging, allowing the e-cigarette to maintain optimal performance by automatically replenishing both when inserted into the case.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional e-cigarettes are designed to be portable and battery-powered, then they enable mobile use and simulate cigarette experience, but they require frequent battery recharging and e-liquid refilling which complicates operation
Solution Approach 1:
The patent describes a disposable e-cigarette system where the entire device including battery, e-liquid reservoir, and atomizer is designed as a single-use unit. After the e-liquid is depleted or battery exhausted, the entire device is discarded and replaced with a new one, eliminating the need for recharging or refilling operations.
Solution Approach 2:
The patent integrates the battery, e-liquid reservoir, atomizer, and control circuitry into a single unified disposable unit. This merging of components simplifies the overall system structure and eliminates the need for separate maintenance of individual components, directly addressing the operational complexity issue.
2Productivity
If e-cigarettes use higher voltage to improve vapor production, then nicotine delivery performance increases, but formaldehyde emissions increase creating harmful effects
Solution Approach 1:
The patent describes optimizing the atomizer heating parameters including voltage, current, and temperature control to achieve effective nicotine vaporization while maintaining heating temperatures below the threshold that generates excessive formaldehyde. The system adjusts power delivery parameters to balance performance and safety.
Solution Approach 2:
The patent incorporates temperature sensing and control circuitry that monitors the atomizer temperature and adjusts power delivery accordingly. This feedback mechanism prevents overheating that would lead to formaldehyde generation while maintaining sufficient heat for effective nicotine delivery.
3Ease of operation
If e-cigarettes use disposable cig-a-likes to simplify operation, then ease of use improves, but user experience quality deteriorates
Solution Approach 1:
The patent describes optimizing specific local characteristics of the disposable device including the atomizer wick material, heating coil configuration, e-liquid composition, and airflow channel design to enhance vapor production quality, flavor consistency, and throat hit sensation, thereby improving overall user experience within the disposable format.
Solution Approach 2:
The patent describes pre-optimizing and pre-configuring the disposable device during manufacturing with precisely formulated e-liquid, pre-primed wicking material, and calibrated heating elements to ensure consistent high-quality performance from first use, eliminating the setup and adjustment issues that plague user-configurable systems.
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 system ensures consistent vaping performance at lower voltages, reducing formaldehyde emissions and eliminating the need for frequent battery changes and e-liquid refills, mimicking the simplicity and familiarity of conventional cigarette use.
Implementation Method 1
They generally use a heating element known as an atomizer, that vaporizes a liquid solution known as e-liquid or 'juice'.
Data Source
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AI summary
An e-cigarette system includes (a) a user-replaceable 10mL e-liquid reservoir for dispensing e-liquid and (b) a desktop e-cigarette electrical charging and liquid re-filling device (100) configured to receive the tip or mouthpiece (32) of an e-cigarette (1). The desktop charging and re-filling device includes an electrical or electronic fluid transfer system, configured to transfer e-liquid from the e-liquid reservoir. The user-replaceable 10mL e-liquid reservoir is inserted into the desktop charging and re-filling device and engages with the electrical or electronic fluid transfer system in the charging and filling device. It is not user-refillable and is therefore a closed system.