Flexible Blister Volatile Dispenser Pressure-Driven Deformation
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Solution Overview
Problem
Existing volatile dispensing systems face issues with reduced dispensing rate and uniformity due to structural and dimensional changes, which can be exacerbated by environmental factors, and there is a need for aesthetically pleasing devices that effectively control volatile material release without increasing manufacturing complexity or costs.
Innovation Solution
The use of flexible and rigid portions in the dispenser design, where diffusion of volatile materials through a permeable membrane generates pressure differentials to induce movement and optimize volatile material delivery, rather than relying on thicker materials or additional features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the dispenser structure is made rigid and thick to maintain shape, then structural stability is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The patent applies the Dynamics principle by making the dispenser cup flexible rather than rigid, allowing it to dynamically change shape in response to internal pressure changes. The cup transitions from a rounded shape when full to a collapsed shape as volatile material depletes, eliminating the need for thick rigid structures while maintaining functional integrity throughout the dispensing cycle.
Solution Approach 2:
The patent directly applies the Flexible shells and thin films principle by using a flexible dispenser cup made of thin material that can deform as volatile material diffuses out. This flexible structure replaces thick rigid walls, reducing manufacturing complexity while maintaining the necessary structural stability to contain and dispense the volatile material effectively.
2Strength
If the membrane and cup structure are made thicker to prevent deformation, then structural integrity is improved, but manufacturing cost and complexity increase
Solution Approach 1:
The patent applies this principle by using a thin flexible cup structure that intentionally allows deformation during operation. The flexibility enables the cup to collapse as volatile material depletes, maintaining structural integrity through controlled deformation rather than requiring thick rigid walls that would increase manufacturing complexity.
Solution Approach 2:
The patent applies the Self-service principle by designing the cup and membrane system to automatically adjust its shape in response to internal pressure changes. The structure self-regulates its form throughout the dispensing process without requiring external control mechanisms or complex manufacturing, maintaining integrity through its inherent flexible design.
3Stress or pressure
If vents are added to equalize pressure, then pressure control is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent applies the Self-service principle by designing the flexible cup to automatically equalize pressure through its deformation. As volatile material diffuses out and internal pressure changes, the cup's flexible walls naturally collapse or expand to balance pressure differential, eliminating the need for separate vent mechanisms and reducing overall device complexity.
Solution Approach 2:
The patent applies the Dynamics principle by using the flexible cup's dynamic shape changes to respond to and equalize pressure differences. The cup transitions between expanded and collapsed states based on internal pressure, providing automatic pressure control without requiring static vent openings or additional pressure regulation components.
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 approach allows for controlled and efficient volatile material output, maintaining dispensing rate and uniformity while addressing aesthetic concerns and reducing manufacturing complexity, by leveraging structural and dimensional changes to enhance system functionality.
Implementation Method 1
Diffusion of the volatile material through the permeable membrane generates a pressure differential between the sealed reservoir and an ambient atmosphere
Implementation Method 2
Diffusion of the volatile material through the permeable membrane generates a pressure differential between the sealed reservoir and an ambient atmosphere to induce a movement of the at least one flexible portion
Data Source
AI summary
A volatile dispenser for use in a volatile dispensing system is provided. The volatile dispenser includes a blister with a surface having at least one flexible portion, a permeable membrane sealable to the surface and configured to form a sealed reservoir with the blister, and a volatile material contained within the sealed reservoir. Diffusion of the volatile material through the permeable membrane generates a pressure differential between the sealed reservoir and an ambient atmosphere to induce a movement of the at least one flexible portion to perform at least one function for the volatile dispensing system.