E-Vaping Reservoir Isolation Structure for Refill and Vapor Flow
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Solution Overview
Problem
Existing e-vaping devices face challenges in efficiently refilling pre-vapor formulation while maintaining fluid communication between the reservoir and vaporizer assembly, and in isolating these components during vapor generation and refilling processes.
Innovation Solution
The implementation of an isolation structure that moves relative to both the reservoir and vaporizer assembly to expose or cover fluid ports, allowing for refilling through one port while preventing fluid communication through the other, thereby enabling independent operations of refilling and vapor generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the reservoir and vaporizer assembly maintain fluid communication for vapor generation, then vapor production is enabled, but refilling becomes difficult without interfering with vapor generation
Solution Approach 1:
The device is divided into functionally independent segments: a reservoir assembly with first fluid port for refilling, and a vaporizer assembly with second fluid port for vapor generation. The isolation structure enables these segments to operate independently by selectively isolating fluid ports, allowing refilling without interfering with vapor generation and vice versa.
Solution Approach 2:
An isolation structure acts as an intermediary component between the reservoir and vaporizer assembly. This mediator selectively controls fluid communication between the two assemblies by moving to different positions: covering the second fluid port during refilling operations and covering the first fluid port during vapor generation operations, thus preventing interference between the two functions.
2Reliability
If the isolation structure covers both fluid ports simultaneously, then both refilling and vapor generation are prevented, but this reduces operational efficiency
Solution Approach 1:
The isolation structure is designed to be movable rather than static, enabling it to dynamically transition between different positions based on operational requirements. It can move to cover only the first fluid port during vapor generation, cover only the second fluid port during refilling, or cover both ports when neither operation is desired, thus maintaining fluid isolation reliability while maximizing operational efficiency.
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 design allows for seamless refilling of the reservoir without interfering with vapor generation, enhancing user convenience and device functionality.
Implementation Method 1
The vaporizer assembly may be configured to vaporize the pre-vapor formulation
Data Source
AI summary
In some example embodiments, a reservoir assembly may include a reservoir and an isolation structure. The reservoir may hold a pre-vapor formulation. The reservoir may include a first fluid port extending through a housing of the reservoir, where the first fluid port may enable fluid communication between the reservoir and an exterior of the reservoir assembly. The reservoir may be coupled to a vaporizer assembly that includes a second fluid port configured to enable fluid communication between the reservoir and vaporizer assembly, or the reservoir may be coupled to a vaporizer connector assembly that includes a second fluid port configured to enable fluid communication between the reservoir and an exterior through the vaporizer connector assembly. The isolation structure may move in relation to the reservoir and the vaporizer connector assembly to a position where it exposes one of the fluid ports and covers the other.