Induction Heating Cover for Smokable Material
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Solution Overview
Problem
Existing smoking alternatives, such as 'heat not burn' products, face challenges in efficiently heating smokable materials without combustion, leading to inadequate vaporization of components.
Innovation Solution
The development of an article with a cover comprising heating material that is heatable by a varying magnetic field, which encircles the smokable material, allowing for efficient induction heating through closed circuits or discrete portions, ensuring uniform and rapid temperature rise without external heat sources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional heating methods are used to heat smokable material, then the heating process is simple, but the volatilization efficiency is inadequate and combustion may occur
Solution Approach 1:
The patent replaces conventional thermal conduction heating with electromagnetic induction heating. The heating element comprises a conductive material that converts electromagnetic energy to thermal energy through resistive heating, enabling precise temperature control and efficient volatilization without combustion. This substitution of heating mechanism resolves the contradiction by achieving high productivity through non-contact electromagnetic heating while maintaining controlled device complexity.
Solution Approach 2:
The patent utilizes the property of conductive materials to change their electrical resistance with temperature, converting electromagnetic energy to thermal energy. By adjusting the electromagnetic field parameters (frequency, amplitude) and material properties (conductivity, geometry), the system achieves efficient volatilization at controlled temperatures, preventing combustion while maximizing productivity.
2Temperature
If external heat sources are used to heat smokable material, then the heating setup is simple, but temperature control is poor and combustion risk increases
Solution Approach 1:
The patent replaces external contact heat sources with electromagnetic induction heating through conductive materials. The electromagnetic field penetrates the heating element, generating heat internally through resistive losses. This provides superior temperature control by adjusting electromagnetic parameters without direct thermal contact, eliminating combustion risk while achieving precise temperature control through non-contact energy transfer.
Solution Approach 2:
The conductive material acts as an intermediary between the electromagnetic field and the smokable material. It converts electromagnetic energy to thermal energy through controlled resistive heating, mediating the energy transfer process. This intermediary enables precise temperature control by adjusting the electromagnetic field characteristics and material properties, preventing direct combustion while achieving the desired heating effect.
3Stability of the object's composition
If uniform heating is achieved through induction heating, then volatilization efficiency improves, but the manufacturing complexity of the heating element increases
Solution Approach 1:
The patent designs the heating element with spatially varying properties to achieve uniform heating. The conductive material's geometry, conductivity distribution, or thickness is optimized in different regions to compensate for heat loss patterns and electromagnetic field variations. This local optimization ensures uniform temperature distribution across the heating surface, achieving stable volatilization while the modular design keeps manufacturing feasible through standardized fabrication techniques.
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 solution enables efficient volatilization of smokable material components without combustion, providing a more effective and controlled heating process for vapor production, enhancing user experience and product efficiency.
Implementation Method 1
heating material that is heatable by penetration with a varying magnetic field
Implementation Method 2
heating material that is heatable by penetration with a varying magnetic field
Data Source
AI summary
Disclosed is an article for use with apparatus for heating smokable material to volatilize at least one component of the smokable material. The article includes smokable material and a cover around the smokable material. The cover defines an outer surface of the article that may contact the apparatus in use, and includes heating material that is heatable by penetration with a varying magnetic field. A method of manufacturing such an article also is disclosed.