Adjustable Filter With Rotatable Air Inlet Aperture
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Solution Overview
Problem
Heated substrate aerosol generation devices provide a different inhalation experience compared to traditional tobacco products, lacking user-adjustable pressure drop and temperature settings, which limits user customization.
Innovation Solution
A vapor generating article with a filter having an adjustable air inlet aperture, allowing users to modify airflow and thus pressure drop and temperature, featuring a rotatable adjuster that changes the cross-sectional area of the air inlet aperture across a continuous range, enabling personalized vaping experiences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the air inlet aperture size is fixed in traditional HNB devices, then the device structure is simple, but the user cannot adjust pressure drop and temperature to suit their taste and smoking characteristics
Solution Approach 1:
The patent applies the dynamics principle by making the air inlet aperture adjustable rather than fixed. The filter incorporates an adjuster mechanism that allows users to dynamically change the aperture size during use, enabling real-time adjustment of airflow, pressure drop, and temperature to suit different user preferences and smoking characteristics.
Solution Approach 2:
The patent applies parameter changes by enabling users to modify the physical parameter of aperture size. By changing the aperture dimension, users can control the amount of air entering the device, which directly affects pressure drop and vapor temperature, providing customization without requiring multiple different filter designs.
2Ease of operation
If the filter is designed as disposable with fixed pressure drop, then manufacturing is simple, but users cannot modify airflow to enhance their vaping experience
Solution Approach 1:
The patent applies self-service by enabling users to adjust the aperture size themselves according to their personal preferences. The adjuster mechanism is designed to be user-operable, allowing individuals to control their own vaping experience without requiring manufacturer intervention or multiple product variants.
Solution Approach 2:
The filter transitions from a static, fixed-aperture design to a dynamic, adjustable-aperture design. This allows the filter to adapt to user needs while maintaining a single manufacturable design, as the adjuster mechanism can be integrated into a standardized filter body.
3Productivity
If the aperture cross-sectional area is fixed, then the device is simpler to manufacture, but the pressure drop cannot be adjusted during aerosol generating session
Solution Approach 1:
The patent replaces complex mechanical adjustment systems with a simpler adjuster mechanism that modifies the aperture size. This mechanism allows users to control airflow and pressure drop through straightforward mechanical action, achieving aerosol generation optimization without requiring complex electronic or mechanical systems.
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 adjustable filter allows users to tailor their vaping experience by adjusting pressure drop and temperature, enhancing the mimicry of traditional tobacco products and extending the life of the filter for re-use across multiple devices, reducing waste and enabling more complex technology within the reusable filter.
Implementation Method 1
heating an aerosol substrate, but not combusting or burning it, releases an aerosol
Implementation Method 2
the temperature of the vapour with which the ambient air mixes before being inhaled by a user
Implementation Method 3
the adjustor allows the pressure drop of the vapour generating article to be adjusted as required by adjusting (e.g. increasing or decreasing) the size of the cross-sectional area of the air inlet aperture to allow greater or lesser volumes of air to enter the filter body
Data Source
AI summary
A vapour generating article includes a main body having a first end and a second end opposite the first end, the body arranged to contain a vapour generating material; a filter having a first end arranged as a mouthpiece portion and a second end opposite the first end arranged for attachment to the first end of the main body; an air inlet portion located at the second end of the filter. The air inlet portion includes at least one aperture to allow ambient air to enter the filter. The filter includes an adjuster configured to move relative to air inlet portion to adjust the cross-sectional area of the aperture to alter an airflow through the aperture. The second end of the filter is releasably attachable to the first end of the main body.