Smoking Substitute Device With Movable Cap for Heating Element Cleaning
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Solution Overview
Problem
Existing smoking substitute systems, particularly those using the Heated Tobacco (HT) approach, face challenges with residual debris accumulation in the device after use, which can lead to safety risks and impair flavor, and cleaning the heating element is often difficult.
Innovation Solution
A smoking substitute device with a cap displacement feature that allows easy access to the heating element for cleaning, featuring a movable cap that creates an aperture for cleaning and includes a retainer mechanism to prevent loss, facilitating debris removal and enhancing user safety and experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cap is fixed to enclose the heating element, then the heating element is protected from contamination, but cleaning the heating element becomes difficult
Solution Approach 1:
The cap is designed to be movable rather than fixed, allowing it to be displaced from the first position (enclosing the heating element) to the second position (providing access). This dynamic design enables the cap to serve dual functions: protecting the heating element during operation and facilitating cleaning when needed.
2Ease of operation
If the cap is made movable to allow cleaning access, then cleaning becomes easy, but the cap may be lost
Solution Approach 1:
The cap displacement mechanism is segmented into distinct positions (first position for enclosure, second position for access) with a retainer mechanism that holds the cap in each position. This segmentation allows the cap to be easily moved for cleaning while the retainer prevents accidental loss by securing the cap in the enclosed position during normal operation.
3Reliability
If residual debris accumulates in the device, then safety risks increase and flavor impairs, but cleaning is difficult
Solution Approach 1:
The device enables preliminary cleaning action by providing easy access to the heating element through cap displacement. Users can remove debris before it accumulates to problematic levels, preventing safety issues and flavor degradation rather than dealing with accumulated residue.
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 cap displacement feature improves aerosol generation and user safety by enabling easy cleaning of the heating element, reducing the risk of debris-related issues and maintaining device performance.
Implementation Method 1
heat may be imparted to the tobacco material by a heating element of the device
Implementation Method 2
the vapour cools and condenses to form an aerosol for inhalation by the user
Data Source
Figure 1A~1B
Figure 2A
Figure 2B
AI summary
A smoking substitute system comprising a device and an aerosol forming article is disclosed. The device comprises a body (209) and a heating element (223) projecting from the body along a longitudinal axis of the housing. Further, the device comprises a cap (210) engageable with the body for at least partly enclosing the heating element. The cap is configured to be moveable away from the longitudinal axis between a first position and a second position. The cap at the second position defines an aperture (251) for accessing the heating element, with portion of the cap being engaged with the body.