Aerosol Generating Articles With Induction Heating And Strip Airflow
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Solution Overview
Problem
Existing aerosol generating articles for induction heating devices face challenges in optimizing aerosol characteristics and mass production, with issues related to uniform airflow, heat distribution, and manufacturing complexity.
Innovation Solution
The aerosol generating article features aerosol generating strips oriented in a specific direction with an inductively heatable susceptor positioned between them, enclosed in a shell that allows electromagnetic fields to pass through, facilitating uniform airflow and efficient heat transfer, and can be manufactured using a continuous wrapping method.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If aerosol generating strips are arranged in a specific orientation with an inductively heatable susceptor positioned between them, then uniform airflow and effective heating are achieved, but manufacturing complexity increases
Solution Approach 1:
The aerosol generating material is divided into multiple substantially planar strips arranged in a specific orientation. This segmentation allows for controlled airflow between strips while maintaining manufacturing feasibility through standardized strip configurations.
Solution Approach 2:
An inductively heatable susceptor is positioned between the aerosol generating strips to facilitate uniform heating. The susceptor acts as an intermediary that converts electromagnetic energy to thermal energy, ensuring consistent heat distribution across all strips without direct contact heating.
2Use of energy by moving object
If an inductively heatable susceptor is used for heating aerosol generating material, then heating efficiency is improved, but the device complexity increases
Solution Approach 1:
The patent replaces direct contact heating mechanisms with induction heating technology. An inductively heatable susceptor converts electromagnetic energy from a coil into thermal energy through eddy currents, eliminating the need for physical contact heating elements and improving heating efficiency while reducing mechanical complexity.
Solution Approach 2:
The susceptor material properties are specifically selected to optimize electromagnetic coupling and heating efficiency. By changing the material parameters of the susceptor (electrical conductivity, magnetic permeability), the system achieves efficient energy transfer from the induction coil to the aerosol generating strips.
3Reliability
If multiple aerosol generating strips are used to optimize aerosol characteristics, then aerosol generation quality improves, but manufacturing difficulty increases
Solution Approach 1:
The aerosol generating material is divided into multiple substantially planar strips that can be independently manufactured and then assembled. This segmentation allows for optimized aerosol generation characteristics through controlled strip arrangement while maintaining ease of manufacture through standardized production processes for each strip.
Solution Approach 2:
The multiple aerosol generating strips serve universal functions: each strip contributes to aerosol generation, airflow control, and heat distribution. This multi-functionality allows the system to optimize aerosol characteristics without proportionally increasing manufacturing complexity, as each strip performs multiple roles.
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 uniform airflow and effective heating, optimizing aerosol generation while enabling easy mass production and handling, with the susceptor effectively transferring heat to the strips without burning them.
Implementation Method 1
an induction coil is provided with the device and an inductively heatable susceptor is provided with the aerosol generating article. Electrical energy is provided to the induction coil when a user activates the device which in turn generates an alternating electromagnetic field. The susceptor couples with the electromagnetic field and generates heat
Implementation Method 2
an aerosol generating device which employs an induction heating system and into which an aerosol generating article, comprising aerosol generating material, can be removably inserted by a user
Implementation Method 3
heating the aerosol generating strips within the aerosol generating material part, without burning the aerosol generating strips, to volatise at least one component of the aerosol generating strips and thereby generate a heated vapour which cools and condenses to form an aerosol for inhalation by a user
Data Source
AI summary
An aerosol generating article comprises an aerosol generating material part and an inductively heatable susceptor positioned in a shell. The aerosol generating material part comprises at least ten aerosol generating strips substantially oriented in a first direction and the inductively heatable susceptor is positioned between the aerosol generating strips and comprises an elongate part which is substantially oriented in the first direction. Methods for manufacturing the aerosol generating article are also described.