Cartomiser Inhomogeneous Mixture End-of-Life Notification
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing vapor provision systems for electronic cigarettes face challenges in providing user notifications for end-of-life cartridge replacement without relying on visual indicators, and they suffer from flavor loss when solid tobacco products are depleted, requiring complex manufacturing and user involvement for multiple flavor profiles.
Innovation Solution
A cartomiser with a reservoir containing a first and second vapor precursor material forming an inhomogeneous mixture, where the second material provides a distinct flavor characteristic, such as tobacco flavor, after the first has been substantially vaporized, serving as an end-of-life notification without user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If visual indicators are used to notify users of end-of-life cartridge replacement, then user notification is provided, but device complexity increases
Solution Approach 1:
The cartomiser system performs self-notification through flavor change. The second vapour precursor material automatically provides an end-of-life flavor characteristic when the first material is depleted, eliminating the need for external visual indicators or user intervention to detect cartridge status
Solution Approach 2:
The patent replaces mechanical/visual notification systems (LED lights, displays) with a chemical sensing system. The user detects cartridge status through olfactory sensing of flavor changes rather than visual indicators, substituting a mechanical notification system with a chemical-based detection method
2Adaptability or versatility
If multiple flavor profiles are provided through complex manufacturing processes, then user preference variety is improved, but manufacturing complexity increases
Solution Approach 1:
The cartomiser reservoir is segmented to contain distinct first and second vapour precursor materials with different flavor characteristics. This segmentation allows multiple flavors to coexist in separate zones within the reservoir, simplifying manufacturing compared to creating entirely separate cartridges for each flavor
Solution Approach 2:
The single cartomiser reservoir is designed to provide multiple flavor profiles through different vapour precursor materials. The system universally handles both primary flavor delivery and end-of-life notification functions within one cartridge design, eliminating the need for multiple specialized cartridges
3Duration of action of moving object
If solid tobacco products are depleted, then product life is extended, but flavor loss occurs
Solution Approach 1:
The second vapour precursor material is pre-positioned in the reservoir to be vaporized after the first material depletes. This preliminary arrangement ensures that end-of-life flavor notification is automatically provided without interruption, preventing flavor loss that would occur with solid tobacco depletion alone
Solution Approach 2:
The system changes the chemical composition parameter of the vaporized material from the first vapour precursor material to the second vapour precursor material. This parameter change maintains continuous flavor delivery while signaling end-of-life, preventing the harmful effect of flavor loss when solid tobacco is depleted
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 allows for user notification of end-of-life without visual indicators, compensates for flavor loss, and provides a straightforward method to deliver multiple flavors, enhancing user experience by extending the product's useful life and indicating replacement needs through flavor changes.
Implementation Method 1
a vaporiser, e.g. a heating element, arranged to vaporise a portion of precursor material to generate vapour
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The present disclosure relates to a cartomiser for a vapour provision system configured to selectively generate vapours with different flavour characteristics. Also disclosed is a vapour provision system comprising said cartomiser and a method of operating the vapour provision system. The flavour characteristics may be used to provide an end-of-life indication to a user.