Induction Heating Cartridge 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 inconsistent vaporization and flavor release.
Innovation Solution
The use of cartridges with heating materials like electrically-conductive and magnetic materials, heated by induction or magnetic hysteresis using a varying magnetic field, ensures uniform heating and efficient vaporization of smokable materials without combustion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional heating methods are used for smokable materials, then heating can be achieved, but heat distribution is inconsistent and combustion may occur
Solution Approach 1:
The patent replaces conventional mechanical contact heating with electromagnetic induction heating. The induction heating element generates a magnetic field that induces eddy currents in the smokable material, producing heat internally without direct contact. This substitution eliminates hot spots and combustion while achieving uniform temperature distribution throughout the material.
Solution Approach 2:
The patent changes the heating parameter from conductive heat transfer to electromagnetic induction. By using a varying magnetic field frequency and intensity, the system can precisely control the heating rate and temperature uniformity, preventing combustion while maintaining consistent vaporization conditions.
2Productivity
If heating power is increased to improve vaporization efficiency, then vaporization speed increases, but heat distribution becomes uneven
Solution Approach 1:
The induction heating system allows high power input while maintaining uniform heat distribution because the magnetic field penetrates the entire material volume simultaneously. The induced eddy currents are generated throughout the material, ensuring even heating at high power levels without the hot spots that plague conventional contact heating methods.
3Quantity of substance
If heating time is extended to improve vaporization completeness, then more compounds are released, but material residue increases
Solution Approach 1:
The induction heating system enables complete vaporization in shorter time by delivering uniform high power heating. The varying magnetic field frequency can be optimized to match the thermal properties of the material, achieving rapid and complete volatilization without excessive heating that would leave residue. The uniform heat distribution ensures all material is processed equally.
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 approach allows for rapid and uniform temperature rise, improved heat distribution, and reduced material residue, enhancing the vaporization process and flavor release in smoking alternatives.
Implementation Method 1
heating materials like electrically-conductive and magnetic materials, heated by induction or magnetic hysteresis using a varying magnetic field
Implementation Method 2
heating materials like electrically-conductive and magnetic materials, heated by induction or magnetic hysteresis using a varying magnetic field
Implementation Method 3
the container defines an opening into the cavity and the cartridge comprises a seal sealing the opening
Data Source
Figure 1~3
Figure 4~5
AI summary
Disclosed is a cartridge for use with apparatus configured to heat smokable material and thereby volatilise at least one component of the smokable material, the cartridge comprising: a container defining a cavity (18), and smokable material disposed in the cavity, wherein the cartridge comprises heatable heater material that is configured to, in use, be heated by penetration with a varying magnetic field to heat the smokable material and volatilize at least one component thereof.