Aerosol Device Compression Mechanism for Energy Efficiency
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Solution Overview
Problem
Existing heat-not-burn aerosol-generating devices face challenges with high energy consumption and bulkier designs, which complicate handling and require more space, while also having complex mechanisms for reducing the heating chamber diameter.
Innovation Solution
An aerosol-generating device with an oven and a compression device outside the oven, which compresses the aerosol-generating article before insertion, allowing for efficient energy transfer and a compact design that is easier to handle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the heating chamber diameter is reduced to increase energy transfer rate, then energy efficiency is improved, but the device becomes bulkier and more complex
Solution Approach 1:
The aerosol-generating article is compressed before insertion into the heating chamber, preparing it in advance to fit a smaller heating chamber volume. This preliminary compression action allows the heating chamber to maintain a reduced diameter for better energy efficiency without requiring complex adjustable mechanisms during operation.
Solution Approach 2:
The heating chamber diameter is made dynamically adjustable through a rotation mechanism that can change the effective heating volume. This allows the device to adapt between different chamber sizes depending on the compression state of the article, resolving the contradiction between small chamber size for energy efficiency and large chamber size for handling ease.
2Loss of energy
If the heating chamber diameter is reduced to increase energy transfer rate, then heating efficiency is improved, but handling becomes more difficult
Solution Approach 1:
Compression of the aerosol-generating article is performed before insertion into the heating chamber, preparing the article in advance to fit the reduced chamber size. This preliminary action separates the compression function from the heating function, allowing the heating chamber to remain small for efficiency while the compression device handles the size adjustment.
Solution Approach 2:
The device is segmented into separate functional modules: a compression device for reducing article size and a heating chamber for vaporization. This segmentation allows each module to be optimized independently - the compression device can be designed for ease of operation while the heating chamber maintains a small diameter for heating efficiency.
3Loss of energy
If a compression device is added to reduce heating chamber size, then energy transfer rate increases, but device complexity increases
Solution Approach 1:
The compression device is integrated with the existing aerosol-generating device structure, serving multiple functions: compressing the article, facilitating insertion into the heating chamber, and potentially assisting in ejection of the article after use. This multi-functionality reduces the need for separate dedicated components, thereby limiting the increase in overall device complexity.
4Use of energy by moving object
If the heating chamber is made smaller to improve energy efficiency, then battery life is extended, but the device becomes bulkier
Solution Approach 1:
The compression of the aerosol-generating article is performed in advance before insertion into the heating chamber. This preliminary compression allows the heating chamber to be designed with a smaller volume for improved energy efficiency, while the compression device (which can be integrated into the device housing) handles the size reduction without requiring the heating chamber itself to be bulky.
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 solution achieves increased energy transfer rates, reduces energy consumption, and simplifies handling by maintaining a constant oven diameter and using a motor-driven compression device for automated insertion.
Implementation Method 1
a compression device (6, 8) arranged outside the oven (2) in front of the opening to compress the aerosol-generating article (10) upon insertion
Implementation Method 2
the substrate is heated in the aerosol generation device... heating a solid aerosol substrate, typically comprising tobacco, to a temperature typically in the range 200° C. to 350° C.
Implementation Method 3
the substrate is releasing flavor in form of an aerosol... heating to produce an aerosol and/or vapor for inhalation
Data Source
AI summary
An aerosol-generating device includes an oven having a first opening through which an aerosol-generating article could be inserted at least partially in the oven and a compression device which is arranged outside the oven and in front of the opening to compress the aerosol-generating device upon insertion thereof in the oven through the opening. Furthermore, A system includes such an aerosol-generating device and an aerosol-generating article. A method for inserting an aerosol-generating article at least partially in an oven of an aerosol-generating device by the steps of compressing the aerosol-generating article by a compression device which is arranged outside the oven and in front of an opening of the oven to compress the aerosol-generating device upon insertion thereof in the oven through the opening, and moving the compressed aerosol-generating article at least partially into the oven is disclosed, too.