Multi-Chamber Aerosol Inhaler With Separate Airflow Paths
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Solution Overview
Problem
Aerosol-generating devices, such as electronic cigarettes, lack the ability to easily switch between different consumables without contamination and offer limited user experience options, as they often require repositioning of mouthpieces and lack separate airflow management for multiple consumables.
Innovation Solution
An aerosol-generating device with multiple receiving chambers and separate mouthpieces, each with independent airflow, allowing for the simultaneous use of different consumables without mixing their substances, with options for heating elements and atomization methods tailored to each consumable type.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single receiving chamber and mouthpiece configuration is used, then the device structure is simple, but the user cannot switch between different consumables without contamination and has limited experience options
Solution Approach 1:
The device is divided into multiple independent receiving chambers (at least two), each capable of accommodating a different consumable type. This segmentation allows users to store and switch between different consumables (e.g., tobacco-based, herb-based, liquid-based) without cross-contamination, as each chamber remains isolated from the others.
Solution Approach 2:
The device employs a universal mouthpiece system that can be selectively connected to any of the multiple receiving chambers. This multi-functional design allows a single mouthpiece structure to serve multiple consumable types, enabling users to switch between different experiences (flavor-based, nicotine-based, etc.) without requiring separate mouthpieces for each consumable type.
2Reliability
If mouthpieces are shared between multiple consumables, then the device structure is simpler, but contamination occurs when switching between different consumable types
Solution Approach 1:
The airflow system is segmented into separate, isolated pathways for each receiving chamber. Each mouthpiece is dedicated to a specific receiving chamber, creating independent airflow circuits that prevent cross-contamination between different consumable types. This ensures that substances from one consumable cannot mix with or contaminate another consumable.
Solution Approach 2:
The device incorporates separate airflow channels and physical barriers (such as partitions or seals) that act as intermediaries between different receiving chambers and their associated mouthpieces. These intermediaries ensure complete isolation of airflow paths, preventing any direct contact or mixing between substances from different consumables while allowing smooth transitions between them.
3Ease of operation
If repositioning of mouthpiece is required to switch consumables, then fewer mouthpieces are needed, but user experience is degraded and switching is not seamless
Solution Approach 1:
The device incorporates a dynamic mouthpiece selection mechanism that allows users to easily switch between different receiving chambers without physical repositioning. The mouthpiece system is designed to be selectively connectable to any receiving chamber through simple user actions (such as pressing buttons or rotating selectors), enabling seamless transitions between different consumables while maintaining a fixed overall device structure.
Solution Approach 2:
Multiple receiving chambers are pre-configured and ready to accommodate different consumable types simultaneously. The device maintains all receiving chambers in a ready state with their associated mouthpieces already positioned and connected, eliminating the need for any repositioning actions when switching consumables. Users can simply select their desired consumable, and the system is immediately ready for use.
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 seamless switching between consumables, preventing contamination and enhancing user experience by allowing spontaneous selection of flavor or nicotine-based experiences, with separate airflow management ensuring distinct inhalation profiles for each consumable.
Implementation Method 1
each receiving chamber comprises one of a heating element for heating a consumable accommodated in the respective receiving chamber
Implementation Method 2
an induction coil for heating a susceptor material provided in the device or in the consumable
Data Source
Figure 1~5
Figure 6~11
Figure 12~16
AI summary
Aerosol-generating system comprising an aerosol-generating device and at least two consumables comprising an aerosol-forming substrate, the device comprising a device housing (1) comprising at least two receiving chambers (10, 11, 12), wherein each of the at least two consumables (31, 32, 33) is accommodated in one of the at least two receiving chambers (10, 11, 12); the system further comprising at least two mouthpieces (21, 22, 23), wherein each of the at least two mouthpieces (21, 22, 23) is aligned with one of the at least two consumables (10, 11, 12) and wherein an airflow into and out of each of the at least two mouthpieces (21, 22, 23) is kept separate from the airflow into and out of each of the other of the at least two mouthpieces (21, 22, 23).