Combined E-Vaping Cartridge With Separate Formulation Reservoirs
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Solution Overview
Problem
Existing e-vaping devices face issues with separate pre-vapor formulations reacting with each other in the reservoir, leading to degradation and reduced shelf-life due to chemical reactions.
Innovation Solution
A cartridge design with multiple reservoirs and a dispensing interface that allows simultaneous vaporization of different pre-vapor formulations using a heater, which includes separate roots and heating elements to control heat magnitude, and a constrictor to adjust the transport rate, minimizing pre-vaporization mixing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If multiple pre-vapor formulations are held in a single reservoir, then the device complexity is reduced, but chemical reactions occur between formulations leading to degradation and reduced shelf-life
Solution Approach 1:
The single reservoir is divided into multiple separate reservoirs, each containing a different pre-vapor formulation. This segmentation prevents chemical reactions between formulations while maintaining manageable device complexity through modular architecture.
2Adaptability or versatility
If separate pre-vapor formulations are vaporized simultaneously, then a unique sensory experience is achieved, but pre-vaporization mixing occurs reducing formulation stability
Solution Approach 1:
A divider assembly acts as an intermediary barrier between separate wicks during the vaporization process. This mediator prevents direct mixing of pre-vapor formulations while allowing both to be vaporized simultaneously, maintaining formulation stability while achieving the desired sensory experience.
3Device complexity
If a single heater is used for multiple formulations, then the device complexity is reduced, but uniform heat distribution to all formulations is difficult to achieve
Solution Approach 1:
The heating system is segmented into multiple separate heating elements, each dedicated to a specific reservoir. This ensures uniform heat distribution to each formulation while maintaining manageable device complexity through modular design.
Solution Approach 2:
Each heating element is optimized for its specific reservoir, providing locally tailored heat distribution. This allows each formulation to receive appropriate heating conditions while the overall system remains relatively simple.
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 design prevents premature chemical reactions, enhances the stability and shelf-life of pre-vapor formulations, and provides a unique sensory experience by controlling the vapor's flavor and temperature.
Implementation Method 1
the heater may be configured to simultaneously vaporize the different pre-vapor formulations to form a vapor
Implementation Method 2
The dispensing interface may include a trunk and a plurality of separate roots, the separate roots extending from the trunk into separate, respective reservoirs of the plurality of reservoirs
Data Source
AI summary
A cartridge for an e-vaping device enables simultaneous vaporization of different pre-vapor formulations to form a vapor for vaping by an adult vaper. The cartridge includes a dispensing interface coupled to a plurality of reservoirs and a heater coupled to the dispensing interface in a housing. The dispensing interface may include a trunk and separate roots extending into separate reservoirs, such that the dispensing interface draws different pre-vapor formulations from the reservoirs to the trunk via the separate roots. The heater is coupled to the trunk, such that the heater is operable to simultaneously vaporize the different pre-vapor formulations drawn into the trunk.