Hookah High-Frequency Induction Heating With Over-Temperature Protection

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Solution Overview

Problem

Conventional hookahs lack over-temperature protection and are prone to component burnout due to excessive burning temperatures, and they rely on open fire ignition which is inefficient and unsafe.

Innovation Solution

A hookah design incorporating a high-frequency heating component with a magnetic induction coil and conductive cup, equipped with a temperature sensor for over-temperature protection, and a filter assembly for smoke purification, utilizing electromagnetic induction to heat tobacco material and featuring a snuff bottle for smoke filtration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If conventional open fire ignition is used, then the hookah can be ignited, but the temperature cannot be controlled and components may burn out

Engineering Contradiction:
Improveburning temperatureVSAvoidcomponent safety
Core Design Contradiction:
TemperatureVSReliability

Solution Approach 1:

The patent changes the heating method from conventional open fire to high-frequency electromagnetic induction heating. This parameter change enables precise temperature control through the frequency and power of the electromagnetic field, preventing uncontrolled burning temperatures while maintaining effective tobacco heating, thus resolving the contradiction between temperature control and component safety

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent replaces the mechanical/open fire ignition system with an electromagnetic induction heating system. The high-frequency electromagnetic field induces eddy currents in the conductive cup, generating heat without direct flame contact. This substitution eliminates the uncontrolled high temperatures of open fire while providing reliable, controlled heating, thereby improving both temperature control and component reliability

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Temperature

If high-frequency electromagnetic induction heating is used, then temperature control is improved, but the device complexity increases

Engineering Contradiction:
Improvetemperature controlVSAvoidheating system complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

The patent introduces a conductive cup as an intermediary component between the electromagnetic induction coil and the tobacco material. The conductive cup concentrates and distributes the electromagnetic energy uniformly, simplifying the heating system design while achieving precise temperature control. This intermediary enables effective heating with a relatively simple device structure, resolving the contradiction between temperature control and device complexity

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The heating system is segmented into distinct functional components: the electromagnetic induction coil for generating the magnetic field, the conductive cup for heat generation and distribution, and the tobacco chamber for material heating. This segmentation allows each component to be optimized independently, managing device complexity while achieving superior temperature control through the coordinated function of separate elements

Inventive Principle:
Principle #1Segmentation

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 design ensures safe operation by preventing component burnout through temperature control and provides efficient smoke production and filtration, enhancing user safety and smoking experience.

Implementation Method 1

when in use, an alternating current is introduced to the magnetic induction coil, and a magnetic induction effect is generated, so that the conductive cup is heated

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

an alternating current is introduced to the magnetic induction coil, and a magnetic induction effect is generated, so that the conductive cup is heated

Methodology Applied
Scientific EffectEddy current heating: Eddy Currents

Implementation Method 3

the smoke is filtered in the filter assembly and inhaled by a user

Methodology Applied
Scientific EffectFiltration: Filter (physical)

Data Source

PatentEP3878293B1hookah
Publication Date: 2025.10.08 SHENZHEN EIGATE TECH CO LTD
  • EP3878293B1 patent drawingFigure 1
  • EP3878293B1 patent drawingFigure 2
  • EP3878293B1 patent drawingFigure 3

AI summary

A hookah, including a high-frequency heating component and a filter assembly. The high-frequency heating component includes a conductive cup and a magnetic induction coil. The conductive cup is disposed in the magnetic induction coil and configured to accommodate a tobacco material. When in use, an alternating current is introduced to the magnetic induction coil, and a magnetic induction effect is generated, so that the conductive cup is heated and the heat is transferred to the tobacco material whereby the tobacco material is heated and smoke is produced. The smoke is filtered in the filter assembly and inhaled by a user.