Electric Heating Coil for Smoking Device Airflow and Temperature Control

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Solution Overview

Problem

Smoking devices, such as hookahs, pose health hazards due to combustion-related contaminants and fire risks from burning coal, and existing electrical heating solutions often fail to maintain optimal temperature for a pleasant smoking experience while being aesthetically unappealing.

Innovation Solution

An oviform-shaped hookah with ceramic or heat-resistant channels and an electrically conductive winding that generates heat through an electromagnetic field, allowing for adjustable temperature control of the smoking material without combustion, combined with adjustable apertures for optimal airflow and temperature regulation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If combustion is used to heat smoking material, then high temperature is achieved, but health hazards and fire risks increase

Engineering Contradiction:

Improveheating temperatureVSAvoidhealth hazards

Core Design Contradiction:

TemperatureVSObject-affected harmful factors

Solution Approach 1:

The patent replaces the mechanical/chemical combustion system with an electrical heating system. An electric heating element (resistive heating coil) is used to heat the smoking material directly, eliminating the need for combustible coal while maintaining the required high temperature for vaporization. This substitution removes the source of combustion byproducts and fire hazards.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces water as an intermediary medium between the heating element and the user's inhalation path. The heated air passes through water, which cools and filters the vapor, removing harmful combustion byproducts while allowing the user to inhale the heated smoking material vapor safely.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If electrical heating is used to avoid combustion, then health hazards are reduced, but temperature control becomes insufficient

Engineering Contradiction:

Improvehealth hazardsVSAvoidtemperature control

Core Design Contradiction:

Object-affected harmful factorsVSTemperature

Solution Approach 1:

The patent implements dynamic temperature control through an adjustable heating element that allows users to vary the heating intensity. The electrical heating system can be controlled to maintain optimal temperature ranges for different smoking materials, preventing both overheating (which causes burning and bitter taste) and underheating (which prevents proper vaporization).

Inventive Principle:

Principle #15Dynamics

3Object-affected harmful factors

If water filtering is used to remove contaminants, then some filtration is achieved, but harmful contaminants remain

Engineering Contradiction:

ImprovecontaminantsVSAvoidfiltration effectiveness

Core Design Contradiction:

Object-affected harmful factorsVSReliability

Solution Approach 1:

The patent replaces the inadequate water-only filtration system with a two-stage system: first, electrical heating without combustion eliminates the generation of combustion byproducts; second, water cooling and condensation efficiently captures and removes harmful contaminants from the vapor path, significantly improving filtration effectiveness.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

4Temperature

If combusting coal is used to heat smoking material, then high temperature is achieved, but fire hazards increase

Engineering Contradiction:

Improveheating temperatureVSAvoidfire hazards

Core Design Contradiction:

TemperatureVSObject-affected harmful factors

Solution Approach 1:

The patent replaces the open flame combustion system with a contained electrical heating element. The heating coil is enclosed within a housing that prevents direct contact with flammable materials, eliminating the fire hazards associated with burning coal while maintaining the necessary high temperature for smoking material vaporization.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 reduces health hazards by eliminating combustion byproducts, provides a consistent and pleasant smoking experience through precise temperature control, and offers an aesthetically appealing design.

Implementation Method 1

an electrically conductive winding that generates heat through an electromagnetic field

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentUS11910823B1Electric heating apparatus and method for a smoking device

Publication Date: 2024.02.27 SHEPELEV DMITRII

AI summary

A smoking device comprising a longitudinal shell with a first cavity. A channel in said first cavity has a longitudinal shape and a peripheral wall, a top, a bottom defining a second cavity. The top and bottom of the channel are substantially open. Said first cavity comprises a compound member with an electrically conductive winding. The open top of the channel meets the outer surface of the shell, and the shell has an opening in its outer surface corresponding to the open top of the channel, thereby allowing ambient air to flow into said second cavity. When electrical current flows through the winding, the compound member generates heat and heats air flowing through said second cavity. Air flows through longitudinal holes inside the compound member, through grooves in the exterior of the compound member, air and passes through and heats the smoking material.