Smoking Article Ventilation Control with Audible Feedback
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Solution Overview
Problem
Smoking articles with adjustable ventilation lack sufficient audible feedback when ventilation is varied, making it difficult for users to confirm changes in airflow.
Innovation Solution
A smoking article design featuring a control mechanism with a first and second control surface, where the second control surface engages with the first to control relative movement, providing tactile and audible feedback through indexing positions, allowing for adjustable ventilation by rotating a sleeve relative to a tobacco unit with aligned or non-aligned ventilation apertures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a smoking article has adjustable ventilation with discrete cut-outs and a protuberance, then ventilation can be varied by rotation, but audible feedback when ventilation is varied is insufficient
Solution Approach 1:
The patent introduces a feedback mechanism where the protuberance engages with the cut-outs to provide audible and tactile feedback to the user. When the user rotates the sleeve to adjust ventilation, the protuberance moves between cut-outs, creating distinct audible clicks that inform the user of the ventilation setting changes.
2Adaptability or versatility
If discrete cut-outs are used for ventilation adjustment, then ventilation levels can be controlled, but the mechanism becomes more complex
Solution Approach 1:
The patent segments the ventilation control into discrete positions using multiple cut-outs arranged around the sleeve. Each cut-out corresponds to a specific ventilation level, allowing the user to select from multiple predetermined settings rather than continuous adjustment, which simplifies the control mechanism while maintaining versatility.
3Measurement precision
If the protuberance moves between cut-outs, then ventilation can be adjusted in discrete steps, but the audible feedback is not sufficient
Solution Approach 1:
The patent enhances the feedback to the user through the engagement between the protuberance and cut-outs. As the protuberance moves from one cut-out to another during rotation, it creates distinct audible clicks and tactile sensations that clearly indicate the current ventilation position to the user, improving information delivery.
Solution Approach 2:
The patent employs visual indicators (analogous to color changes in TRIZ) through the arrangement and positioning of cut-outs and the protuberance to provide visual feedback about the ventilation setting, complementing the audible and tactile feedback mechanisms.
Data Source
AI summary
A smoking article comprises a first part and a second part movable relative to the first part. A control mechanism comprises a first control surface on one of the first part or second part; and a second control surface on the other of the first and second parts. The second control surface is configured to engage with the first control surface to control relative rotation between the first part and second part.