Smokable Material Heater with Hermetic Compartment Seals

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Solution Overview

Problem

Existing smoking alternatives, such as heat-not-burn products and e-cigarettes, face challenges in efficiently volatilizing smokable materials without combustion, and there is a need for apparatus that effectively heats these materials to produce inhalable aerosols.

Innovation Solution

A heating apparatus with a tubular heater surrounded by a thermal insulator, a hermetically sealed compartmentalization of heating and electronics components, and a system of seals to isolate airflow, ensuring efficient volatilization of smokable materials without burning, using a rechargeable battery power source and control circuitry to manage heating.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If heat-not-burn products heat smokable material to volatilize compounds, then inhalable aerosol is produced, but heat loss to the exterior reduces heating efficiency

Engineering Contradiction:
Improvevolatilization efficiencyVSAvoidheat loss
Core Design Contradiction:
ProductivityVSLoss of energy

Solution Approach 1:

The patent applies thermal insulation materials around the heating chamber to capture heat that would otherwise be lost to the exterior. This converts the harmful heat loss into a beneficial retained thermal energy, improving volatilization efficiency while reducing power consumption. The insulation layer acts as a thermal barrier that redirects heat back into the heating chamber.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

2Ease of repair

If the heating chamber is open for cleaning, then maintenance is easy, but contamination can enter the chamber

Engineering Contradiction:
Improvecleaning accessibilityVSAvoidcontamination
Core Design Contradiction:
Ease of repairVSObject-affected harmful factors

Solution Approach 1:

The patent employs a sealable door with sealing elements (such as gaskets or seals) that can be opened for cleaning and closed during operation. This flexible sealing mechanism allows the chamber to transition between open and closed states, providing easy access for maintenance while preventing contamination when sealed.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The heating chamber is segmented from the exterior environment through a removable or openable door structure. This segmentation allows independent access to the chamber for cleaning without affecting the sealed integrity of the rest of the device, enabling maintenance while maintaining protection against contamination.

Inventive Principle:
Principle #1Segmentation

3Productivity

If the heater is exposed to air flow, then volatilization occurs, but heat escapes to the exterior reducing efficiency

Engineering Contradiction:
Improveaerosol generationVSAvoidheat loss to exterior
Core Design Contradiction:
ProductivityVSLoss of energy

Solution Approach 1:

Thermal insulation surrounding the heater and heating chamber captures heat that would escape through air flow, converting it into useful thermal energy retained within the system. This improves aerosol generation efficiency while reducing the energy required to maintain heating temperature.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

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 materials into inhalable aerosols, maintaining cleanliness and longevity of the device by minimizing heat loss and contamination, while allowing easy cleaning and maintenance.

Implementation Method 1

the apparatus comprises a heat insulator surrounding the heater for reducing heat loss from the heater to the exterior of the apparatus

Methodology Applied
Scientific EffectThermal insulation: Thermal Insulation

Implementation Method 2

apparatus arranged to receive smokable material to enable at least one component of the smokable material to be volatilised

Methodology Applied
Scientific EffectVolatilization: Evaporation

Implementation Method 3

heating, but not burning, the material... release compounds by heating... vaporise a liquid... form inhalable aerosols

Methodology Applied
Scientific EffectAerosol formation: Aerosol

Data Source

PatentEP3454682B1Apparatus for receiving smokable material
Publication Date: 2025.09.17 NICOVENTURES TRADING LTD
  • EP3454682B1 patent drawingFigure 1~2
  • EP3454682B1 patent drawingFigure 3
  • EP3454682B1 patent drawingFigure 4

AI summary

Apparatus [10] for receiving smokable material to enable at least one component of the smokable material to be volatilised is described.In an example, the apparatus comprises a housing [14] having a first compartment [38] and a second compartment [60]. The first compartment [38] is a heating compartment for receiving smokable material in use. The second compartment [60] is an electronics compartment and containing at least one of control circuitry [21] and a power source [22]. The first compartment [38] and the second compartment [60] are substantially hermetically sealed from each other to minimise or prevent air or vapour flowing between the compartments [38, 60].