Magnetic Field Generator for Induction Heating of Smokable Material
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Solution Overview
Problem
Existing smoking alternatives that heat tobacco instead of burning it lack efficient methods to volatilize components without combustion, leading to incomplete vaporization and potentially harmful combustion byproducts.
Innovation Solution
An apparatus utilizing a magnetic field generator with a magnetically permeable core and coil to heat smokable material through induction and magnetic hysteresis, ensuring volatilization without combustion by generating a varying magnetic field that penetrates a heating zone containing the smokable material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional burning method is used to vaporize tobacco components, then volatilization efficiency is improved, but harmful combustion byproducts are generated
Solution Approach 1:
The invention changes the fundamental parameter of the heating process from combustion (high temperature oxidation) to induction heating (controlled electromagnetic heating). By using a magnetic field generator with specific frequency and intensity parameters, the tobacco material is heated to volatilization temperature without reaching combustion conditions, thus eliminating harmful combustion byproducts while maintaining volatilization efficiency
Solution Approach 2:
The invention replaces the chemical-mechanical combustion process with an electromagnetic field-based induction heating process. The magnetic field generator creates a varying magnetic field that induces eddy currents in the heating material, which in turn heats the tobacco components through electromagnetic energy conversion rather than chemical combustion, eliminating carcinogenic substances
2Manufacturing precision
If heating temperature is increased to achieve complete volatilization, then volatilization completeness is improved, but risk of combustion increases
Solution Approach 1:
The invention incorporates temperature sensing and control mechanisms that provide feedback to the magnetic field generator. This allows precise control of the heating temperature to maintain it within the volatilization range (below combustion temperature), ensuring complete volatilization of tobacco components while preventing combustion through continuous monitoring and adjustment of heating parameters
Solution Approach 2:
The magnetic field generator operates with periodic alternating current at specific frequencies, creating a varying magnetic field that enables controlled cyclic heating. This periodic action allows the system to achieve thorough volatilization through repeated heating cycles while maintaining temperature control to prevent combustion
3Device complexity
If magnetic field generator uses simple coil structure, then device complexity is reduced, but heating uniformity deteriorates
Solution Approach 1:
The magnetic field generator is segmented into multiple independent coils arranged in specific geometric patterns around the heating zone. Each coil can be controlled independently or in coordination, creating a distributed magnetic field that provides uniform heating across the tobacco material while maintaining modular structure that doesn't significantly increase overall device complexity
Solution Approach 2:
The coil configuration uses asymmetric winding patterns and positioning relative to the heating zone geometry. This asymmetric arrangement optimizes the magnetic field distribution to compensate for heat loss patterns, ensuring uniform heating of the tobacco material while using a relatively simple coil structure without requiring complex multi-layer symmetric designs
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 effectively volatilizes components of smokable materials like tobacco without combustion, achieving uniform heating and reducing harmful byproducts, thus providing a safer and more efficient alternative to traditional smoking methods.
Implementation Method 1
a magnetic field generator for generating a varying magnetic field that penetrates the heating zone, the magnetic field generator comprising a magnetically permeable core and a coil
Implementation Method 2
heating material that is heatable by penetration with a varying magnetic field to heat the smokable material
Data Source
AI summary
Disclosed is an apparatus for heating smokable material to volatilize at least one component of the smokable material. The apparatus includes a heating zone for receiving an article, and a magnetic field generator for generating a varying magnetic field that penetrates the heating zone. The article includes smokable material and heating material that is heatable by penetration with a varying magnetic field to heat the smokable material. The magnetic field generator includes a magnetically permeable core and a coil. The core includes a magnetically permeable first portion and magnetically permeable first and second arms extending from the first portion. The coil is wound around the first portion of the core. The first and second arms of the core are on different sides of the heating zone.