Shisha Consumable with Sealed Combustion and Aerosol Compartments
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Solution Overview
Problem
Shisha devices pose challenges in providing a convenient, simple, and clean smoking experience due to the need to handle charcoal and residues, and there is a desire for a ready-to-use consumable that combines a tobacco substrate and combustible heat source with isolated combustion gases from inhalation airflow.
Innovation Solution
A shisha consumable article with a housing containing a combustible heat source in one compartment and an aerosol-forming substrate in another, sealed compartment, where the combustible heat source is 'blind' to prevent combustion gases from being inhaled, and the article is designed for easy setup and disposal without charcoal or ash handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional shisha devices are used with separate charcoal and tobacco components, then the device can provide vapor and smoke production, but the user must handle charcoal and residues which creates inconvenience and cleanliness issues
Solution Approach 1:
The patent combines the combustible heat source and aerosol-forming substrate into a single integrated consumable article with sealed compartments. This merging eliminates the need for separate handling of charcoal and tobacco components, allowing users to simply insert the complete unit into the device and eliminating residue cleanup requirements.
Solution Approach 2:
The consumable article is segmented into separate sealed compartments for the combustible heat source and aerosol-forming substrate. This segmentation allows each component to be optimized independently while maintaining a unified structure that simplifies user interaction and disposal.
2Object-affected harmful factors
If combustion gases are allowed to mix with inhalation airflow in traditional shisha devices, then the heating process can be efficient, but the user may inhale harmful combustion byproducts
Solution Approach 1:
The device separates the combustion chamber containing the heat source from the aerosolization chamber containing the substrate using an air-tight seal. This segmentation prevents combustion gases from mixing with the airflow that contacts the aerosol-forming substrate, ensuring users inhale only vaporized aerosol without combustion byproducts, while maintaining efficient heat transfer through the sealed barrier.
Solution Approach 2:
An air-tight seal acts as an intermediary barrier between the combustion gases and the inhalation airflow. This seal allows thermal energy to pass through while blocking the passage of combustion gases, thereby protecting users from harmful inhalation while preserving heating efficiency.
3Power
If the combustible heat source is exposed to air for efficient combustion, then heat generation is improved, but combustion gases may contaminate the aerosol-forming substrate
Solution Approach 1:
The device divides the system into two separate sealed compartments: one for combustion and one for aerosol formation. The air-tight seal enables the combustion side to access oxygen for efficient heat generation while preventing combustion gases from reaching the aerosol-forming substrate, thus eliminating contamination while maintaining power output.
4Ease of operation
If a ready-to-use consumable combining substrate and heat source is created, then setup and disposal simplicity is improved, but the structural complexity of the consumable article increases
Solution Approach 1:
The patent merges the combustible heat source and aerosol-forming substrate into a single pre-assembled consumable article with integrated sealed compartments. Although the internal structure is complex, this merging simplifies user interaction to a single insertion and disposal action, eliminating the need for separate setup steps and cleanup procedures.
Solution Approach 2:
The consumable article is designed as a disposable unit that combines multiple components into one. The increased structural complexity is acceptable because the entire unit can be discarded after use, eliminating the need for cleaning and maintenance while providing a convenient ready-to-use experience.
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 configuration ensures a clean and convenient smoking experience by isolating combustion gases from inhalation airflow, maintaining uniform heat generation, and preventing substrate pyrolysis during intense inhalation, while allowing for simple disposal of the consumable article.
Implementation Method 1
A combustible heat source is contained within the first compartment
Implementation Method 2
the inhalation air or the aerosol-forming substrate is heated substantially or entirely by heat conducted through physical contact from the combustible heat source rather than by convection
Implementation Method 3
an aerosol-forming substrate is contained within the second compartment
Data Source
AI summary
A shisha consumable article (101) for use with an external assembly such as a shisha assembly is described. The shisha consumable article includes a housing (110) defining a first compartment (112) and a second compartment (114) being adjacent to the first compartment. The second compartment is adjacent to, and sealed or air impermeable from, the first compartment. A combustible heat source (120) is contained within the first compartment and an aerosol-forming substrate (130) is contained within the second compartment.