Insulated Consumable Engagement Structure for Aerosol Heat Loss
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Solution Overview
Problem
Existing aerosol generating devices suffer from heat loss to the environment, leading to reduced thermal efficiency and power usage efficiency, and there is a need for improved design to enhance user experience and simplify manufacturing.
Innovation Solution
The device incorporates a consumable engagement component with an inner wall defining a receiving cavity for a heater and an outer wall forming an insulating cavity, both made from the same material, providing thermal insulation and simplifying manufacturing through integrally formed design elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If thermal insulation is added between the receiving cavity and heater housing, then heat loss is reduced and thermal efficiency is improved, but device complexity increases
Solution Approach 1:
The inner wall and outer wall are integrally formed as a single piece, merging two structural elements into one. This eliminates the need for separate insulation components and assembly steps, reducing device complexity while maintaining the insulating cavity that prevents heat loss.
Solution Approach 2:
The insulating cavity is formed by creating a hollow space between the inner and outer walls, adding a dimensional feature (the cavity volume) to provide thermal insulation without adding external bulk or complexity to the overall device structure.
2Ease of operation
If the heater housing temperature is reduced to enhance user experience and safety, then thermal comfort is improved, but heat transfer efficiency may be compromised
Solution Approach 1:
The heater housing structure is segmented into an inner wall facing the heat source and an outer wall contacting the user, with an insulating cavity between them. This segmentation allows the inner surface to remain hot for efficient heating while the outer surface stays cool for user safety and comfort.
3Ease of manufacture
If integrally formed walls are used to simplify manufacturing, then manufacturing complexity is reduced, but design flexibility may be limited
Solution Approach 1:
The single integrally formed component serves multiple functions: it provides structural support, creates the insulating cavity for thermal insulation, defines the receiving cavity for the heater, and forms the outer housing. This multi-functionality simplifies manufacturing while maintaining design flexibility through geometric variation.
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 design reduces heat loss, enhances user experience by maintaining a lower heater housing temperature, improves efficiency, and simplifies manufacturing by facilitating easier assembly and mold formation.
Implementation Method 1
the insulating cavity located between the receiving cavity and the heater housing to provide thermal insulation between the receiving cavity and the heater housing
Data Source
AI summary
An aerosol generating device comprising a heater housing and a consumable engagement component (102) located within the heater housing. The consumable engagement component comprises an inner wall (106) defining a receiving cavity (108). The receiving cavity is configured to house a heater and engage with a consumable, the consumable including an aerosol generating substrate for heating by the heater. The consumable engagement component further comprises an outer wall (114) located between the inner wall and the heater housing, the outer wall defining an insulating cavity (1116). The insulating cavity is located between the receiving cavity and the heater housing to provide thermal insulation between the receiving cavity and the heater housing. The inner wall and the outer wall are integrally formed from the same material.