Induction Heating Inner Wall Evacuated Insulation 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 incomplete vaporization of compounds and inefficient energy transfer.
Innovation Solution
A thermal insulator apparatus with a heatable inner wall made of conductive and magnetic materials, utilizing a varying magnetic field for induction heating, and an evacuated insulation region to minimize heat loss, allowing for efficient heating of smokable materials without combustion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional heating methods are used to heat smokable material, then the material can be heated to release compounds, but the energy transfer is inefficient and combustion may occur
Solution Approach 1:
The patent replaces conventional thermal conduction heating with electromagnetic induction heating. The induction heating system uses a magnetic field to directly induce eddy currents in the heating element, which generates heat through resistive heating. This substitution of heating mechanism achieves more efficient energy transfer and better temperature control, preventing combustion while ensuring complete vaporization of the smokable material.
Solution Approach 2:
The patent employs evacuated insulation to change the thermal environment parameters. By evacuating the insulation region, heat transfer by conduction and convection is dramatically reduced, allowing the heating zone to reach and maintain the precise temperature range needed for vaporization without combustion. This parameter change in the thermal environment enables efficient energy utilization and reliable temperature control.
2Productivity
If heating temperature is increased to ensure complete vaporization, then compounds are fully volatilized, but energy waste increases and combustion risk rises
Solution Approach 1:
The induction heating system replaces conventional heating with electromagnetic induction, enabling precise temperature control through control of the magnetic field frequency and intensity. This allows the system to maintain optimal vaporization temperature without excessive heating, ensuring complete volatilization of compounds while minimizing energy waste and preventing combustion.
Solution Approach 2:
The evacuated insulation region creates a thermally isolated environment that prevents heat loss to the surroundings. This thermal isolation ensures that the energy supplied is efficiently used for vaporization of the smokable material, achieving complete compound release without excessive energy input or temperature escalation that could lead to combustion.
3Loss of energy
If heating efficiency is improved to reduce energy waste, then energy transfer becomes more efficient, but the heating system complexity increases
Solution Approach 1:
The inner wall of the insulation chamber serves multiple functions: it acts as the heating element through induction heating, provides structural support for the evacuated insulation, and defines the heating zone geometry. This multi-functionality reduces the number of separate components needed, simplifying the overall system structure while maintaining high energy transfer efficiency.
Solution Approach 2:
The heating element is nested within the insulation chamber, with the evacuated insulation region surrounding the heating zone. This nested configuration allows the insulation structure to directly support and protect the heating element, reducing the need for additional mounting hardware and simplifying the overall system architecture while maintaining efficient energy transfer.
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 apparatus effectively volatilizes smokable material components without burning, achieving rapid and uniform heating with reduced energy waste, enhancing the efficiency and safety of the heating process.
Implementation Method 1
an inner wall at least partially defining a heating zone for receiving at least a portion of an article comprising smokable material, wherein the inner wall comprises heating material that is heatable by penetration with a varying magnetic field to heat the heating zone
Implementation Method 2
a magnetic field generator for generating a varying magnetic field that penetrates the inner wall in order to beat the inner wall in use
Implementation Method 3
an insulation region bound by the inner wall and the outer wall, wherein the insulation region is evacuated to a lower pressure than an exterior of the insulation region
Data Source
AI summary
Disclosed is an apparatus for heating smokable material to volatilize at least one component of the smokable material, the apparatus including a thermal insulator including an inner wall at least partially defining a heating zone for receiving at least a portion of an article including smokable material, wherein the inner wall includes heating material that is heatable by penetration with a varying magnetic field to heat the heating zone; an outer wall; and an insulation region bound by the inner wall and the outer wall, wherein the insulation region is evacuated to a lower pressure than an exterior of the insulation region; and a magnetic field generator for generating a varying magnetic field that penetrates the inner wall in order to heat the inner wall in use.