Frangible Barrier Rupturing Mechanism for Aerosol Devices
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Solution Overview
Problem
Existing aerosol-generating systems for nicotine or other medicaments face challenges in providing a reliable and consistent means to break frangible seals, which can lead to inconsistent user experiences due to the volatility of pyruvic acid and nicotine.
Innovation Solution
An aerosol-generating system with a heater element and an aerosol-generating article that includes a medicament source, a volatile delivery enhancing compound source, and a rupturing portion to consistently break the frangible barrier, allowing relative sliding movement to facilitate the use of the system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a frangible seal is used to prevent premature evaporation of volatile compounds, then the stability of the volatile delivery enhancing compound and nicotine is improved, but the ease of operation deteriorates because users find it difficult to consistently break the seal
Solution Approach 1:
A frangible barrier with a rupturing portion is introduced as an intermediary mechanism. The rupturing portion acts as a mediator that users can easily manipulate to break the frangible barrier, which then releases the volatile delivery enhancing compound and nicotine. This solves the contradiction by providing both protection during storage and easy activation during use.
Solution Approach 2:
The frangible barrier is segmented into a rupturable portion that can be broken by user action. This segmentation allows the barrier to remain intact during storage (maintaining stability) while enabling easy breaking during operation (improving ease of operation). The rupturing portion is specifically designed to be broken by sliding or pressing actions.
2Loss of substance
If a frangible seal is used to prevent premature evaporation, then the loss of substance is reduced, but the reliability deteriorates due to inconsistent user ability to break the seal
Solution Approach 1:
The rupturing portion serves as a reliable intermediary that guarantees consistent breaking of the frangible barrier. Its design ensures that users can reliably activate the system, eliminating the inconsistency problem while maintaining the protective function that prevents substance loss during storage.
Solution Approach 2:
The frangible barrier is pre-configured with a rupturing portion that is designed to break under specific user actions (sliding or pressing). This preliminary preparation ensures that the barrier will reliably break when activated, providing consistent performance across all uses while maintaining substance integrity during storage.
3Manufacturing precision
If the volatile delivery enhancing compound and nicotine are sealed together, then the manufacturing precision is improved, but the device complexity increases due to the need for additional rupturing mechanisms
Solution Approach 1:
The frangible barrier and rupturing portion are merged into a single integrated component that seals both the volatile delivery enhancing compound and nicotine sources simultaneously. This merging maintains manufacturing precision by providing a unified sealing solution while avoiding the need for multiple separate complex mechanisms.
Solution Approach 2:
The frangible barrier with rupturing portion serves multiple functions: it seals the volatile compounds during storage, provides a user-activatable breaking mechanism, and ensures consistent release during use. This multi-functionality reduces overall device complexity by consolidating several functions into a single component.
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 provides a convenient and reliable method for users to break the frangible barrier, ensuring a consistent delivery of nicotine salt particles by integrating a rupturing portion within the device or article, enhancing user experience and consistency.
Implementation Method 1
aerosol-generating device comprising a heater element
Implementation Method 2
pyruvic acid and nicotine are both sufficiently volatile to form respective vapours that react with one another in the gas phase
Data Source
AI summary
An aerosol-generating system is provided, including an aerosol-generating device including a heater element, and an aerosol-generating article configured to engage with the aerosol-generating device, the aerosol-generating article including a medicament source, a volatile delivery enhancing compound source, and at least one frangible barrier sealing the medicament source and the volatile delivery enhancing compound source, the aerosol-generating system further including a rupturing portion forming part of the aerosol-generating device or the aerosol-generating article, the aerosol-generating system being configured to allow relative sliding movement between the rupturing portion and the at least one frangible barrier to rupture the at least one frangible barrier.