Encapsulated Additive Roll for Vaping Cartridge Vapor Quality
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Solution Overview
Problem
Existing electronic vaping devices lack a method to effectively enhance the vapor quality by controlled release of additives such as flavorants, pH adjusting agents, and nicotine, which are difficult to incorporate into pre-vapor formulations due to stability and storage issues.
Innovation Solution
A cartridge design featuring a roll of material coated or impregnated with encapsulated additives, including a shell layer and inner core, which releases the additives in response to heat and moisture, allowing for controlled vapor enhancement between the heating element and the mouthpiece.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If additives are incorporated into pre-vapor formulations, then vapor quality and flavor profile are improved, but stability and storage issues occur
Solution Approach 1:
The additive is divided into an inner core containing the additive substance and an outer shell layer that encapsulates it. This segmentation allows the additive to be stored separately from the pre-vapor formulation in a stable state, then released when needed through the shell dissolution mechanism upon heating.
Solution Approach 2:
The additive is pre-encapsulated in a shell structure before use. This preliminary encapsulation protects the additive from degrading or reacting during storage, maintaining formulation stability, while the shell is designed to dissolve under heating conditions to release the additive when vaporization occurs.
2Reliability
If additives are released into vapor, then flavor and vapor quality are enhanced, but undesired chemical reactions and additive loss occur
Solution Approach 1:
The shell layer acts as an intermediary between the additive and the heating element/vapor environment. It controls the release of the additive by dissolving under heat, preventing direct contact between the additive and other substances that could cause unwanted chemical reactions, while still allowing the additive to be released into the vapor for flavor enhancement.
Solution Approach 2:
The shell material is selected to undergo a parameter change (dissolution) in response to temperature changes during vaping. This controlled parameter change allows the additive to be released at the appropriate time and rate, enhancing vapor quality while minimizing unwanted reactions through controlled release rather than direct exposure.
3Ease of operation
If encapsulated additives are used, then controlled release is achieved, but device complexity increases
Solution Approach 1:
The encapsulated additive structure is designed to release the additive automatically in response to the heating process without requiring additional control mechanisms. The shell dissolves under the heat applied during normal vaping operation, providing self-controlled release that enhances ease of operation while avoiding the need for complex additional release control 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
This solution enables a customizable vaping experience by ensuring consistent and controlled release of additives, improving vapor quality and flavor profile, while preventing undesired chemical reactions and additive loss.
Implementation Method 1
The battery is electrically connected to the heater, such that the heater heats to a temperature sufficient to convert the pre-vapor formulation to a vapor
Implementation Method 2
The encapsulated additive may include at least one shell layer and an inner core. The encapsulated additive may be configured to release the additive in response to one or more release activation mechanisms, such as heat and moisture
Implementation Method 3
the heating element is configured to generate a vapor
Data Source
Figure 1~2
Figure 3A~3B
Figure 4~8
AI summary
A cartridge (70) of an electronic vaping device (60) includes a roll of material (210) that is impregnated with or includes a coating of at least one additive. The roll of material is positioned between a heater (14) and a mouth-end insert (8). The additive may include a flavorant, a pH adjusting agent, a vapor former, tobacco material, and nicotine. The roll of material (210) may be formed of a sheet of material (260). A plurality of sheets of material (260) may be included in a kit (500).