Electronic Vapor Provision Device With Liquid-Storing Heater Support

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Solution Overview

Problem

Existing electronic vapor provision devices face challenges in efficiently vaporizing liquid due to the interference of a separate heating element support, which limits the size and efficiency of the heating element, and require additional liquid storage containers, leading to larger device sizes and reduced vaporization capacity.

Innovation Solution

The heating element is positioned inside a heating element support, eliminating the need for a separate support, allowing for a finer and more efficiently heated element, with gaps between the element and support for enhanced liquid transfer and vaporization, and the support itself acting as a liquid store, thereby increasing capacity and efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If a separate heating element support is used, then the heating element can be supported structurally, but the support interferes with heating efficiency and limits the size of the heating element

Engineering Contradiction:
Improvestructural supportVSAvoidvaporization efficiency
Core Design Contradiction:
StrengthVSProductivity

Solution Approach 1:

The heating element support is merged with the liquid store, creating a single integrated component. The support structure is formed by the walls of the liquid store container, eliminating the need for a separate support component. This merging allows the heating element to be positioned optimally for vaporization efficiency while the liquid store walls provide the necessary structural support.

Inventive Principle:
Principle #5Merging (Combining)

2Quantity of substance

If additional liquid storage containers are used, then liquid storage capacity is increased, but device size increases

Engineering Contradiction:
Improveliquid storage capacityVSAvoiddevice size
Core Design Contradiction:
Quantity of substanceVSVolume of moving object

Solution Approach 1:

The liquid store serves multiple functions simultaneously: it stores liquid, provides structural support for the heating element, and defines the vaporization chamber. This multi-functionality eliminates the need for separate support structures and reduces the overall device volume while maintaining adequate liquid storage capacity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The support structure and liquid store are merged into a single component. The walls of the liquid store container form the support structure, eliminating redundant components and reducing device size while maintaining structural integrity and liquid storage capacity.

Inventive Principle:
Principle #5Merging (Combining)

3Productivity

If the heating element is made larger for increased vaporization surface area, then vaporization efficiency improves, but the element requires more space and complicates the device structure

Engineering Contradiction:
Improvevaporization efficiencyVSAvoiddevice structure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

By merging the support function into the liquid store walls, the heating element can be designed with optimal surface area for vaporization without requiring additional support structures. The simplified structure allows for a larger, more efficient heating element while reducing overall device complexity.

Inventive Principle:
Principle #5Merging (Combining)

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 configuration enables a smaller, more efficient device with increased vaporization surface area and liquid storage capacity, improving vaporization efficiency and reducing device size.

Implementation Method 1

a heater coil to heat up and vaporize the liquid

Methodology Applied
Scientific EffectVaporization: Evaporation

Implementation Method 2

a wicking element configured to wick liquid from the liquid store to a heating element

Methodology Applied
Scientific EffectCapillary action: Capillary Action

Data Source

PatentUS12408700B2Electronic vapor provision device
Publication Date: 2025.09.09 NICOVENTURES TRADING LTD
  • US12408700B2 patent drawing
  • US12408700B2 patent drawing
  • US12408700B2 patent drawing

AI summary

An electronic vapor provision device comprising a power cell and a vaporizer, wherein the vaporizer comprises a heater and a heater support, wherein the heater is one the inside of the heater support.