Aerosol Capsule Rupture via Hard Particle Stress Concentration
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Solution Overview
Problem
Existing aerosol provision systems lack an efficient mechanism for users to selectively introduce aerosol-modifying agents, such as flavorants, into the gas flow, as existing solutions do not effectively promote the rupture of capsules under user-applied forces without compromising structural integrity or leading to premature release.
Innovation Solution
A component comprising a body of material with interspersed aerosol-modifying agent capsules and particles, where the particles are designed to promote the rupture of capsules upon external force application, utilizing cellulose acetate particles with increased hardness and specific surface area to control the release of aerosol-modifying agents within the system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing capsule structures are used without additional particles, then the structural integrity of capsules is maintained, but the capsules do not rupture efficiently under user-applied forces
Solution Approach 1:
Hard particles are introduced as intermediary elements between the user-applied force and the capsule structure. These particles act as mediators that concentrate and transmit mechanical stress to the capsule wall, facilitating rupture at lower applied forces while maintaining capsule integrity during normal handling and heating.
Solution Approach 2:
The physical and chemical parameters of the capsule wall material are modified by incorporating particles with specific properties (hardness, size, shape, surface area). These parameter changes enable the capsule to transition from a state of high structural integrity to a state of controlled rupture under specific mechanical conditions, resolving the contradiction between maintaining integrity and enabling efficient rupture.
2Ease of operation
If particles are added to promote capsule rupture, then rupture efficiency under user-applied force is improved, but the device complexity increases
Solution Approach 1:
The capsule wall material and the rupture-promoting particles are merged into a single composite structure. The particles are embedded within or on the capsule wall, creating an integrated component that combines the encapsulation function with the rupture promotion function, thereby avoiding the need for separate rupture mechanisms and reducing overall device complexity.
Solution Approach 2:
The particles serve multiple functions simultaneously: they act as structural reinforcement to maintain capsule integrity during handling and heating, while also serving as stress concentrators to promote efficient rupture under user-applied force. This multi-functionality eliminates the need for separate components for each function, reducing device complexity.
3Ease of operation
If particles with high hardness and surface area are used, then capsule rupture is promoted effectively, but the manufacturing precision requirements increase
Solution Approach 1:
Rather than requiring uniform distribution of particles with precise properties throughout the entire capsule structure, the invention employs local quality by concentrating particles at specific locations where stress concentration is most effective for rupture initiation. This approach maintains rupture efficiency while reducing the overall manufacturing precision requirements for particle distribution.
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
Enables controlled and efficient release of aerosol-modifying agents by promoting capsule rupture under user-applied forces, ensuring structural integrity and precise control over the amount of agent introduced into the gas flow, enhancing user experience and system effectiveness.
Implementation Method 1
the particles configured such that, in use, the particles promote breaking of the aerosol-modifying agent capsules upon the application of an external force to the aerosol provision system component by a user
Data Source
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AI summary
The present disclosure relates to a component for a delivery system. The component comprises a body of material, a plurality of aerosol-modifying agent capsules in the body of material, and a plurality of particles in the body of material. The aerosol-modifying agent capsules and/or particles are interspersed within the body of material. The particles are configured such that, in use, the particles promote breaking of the aerosol-modifying agent capsules upon the application of an external force to the aerosol provision system component by a user.