Manual Dispensing System for Volatile Materials
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Solution Overview
Problem
Existing volatile material dispensing systems either rely on passive methods that do not allow for increased dissemination or require electrical components for active dissemination, lacking a manual and electrical component-free solution for enhanced delivery.
Innovation Solution
A dispensing system with a refill containing a volatile material and a permeable membrane, combined with a manual drive mechanism that allows for rotation of the refill over 180°, and optionally a fan that enhances the release of the volatile material by drawing air over the membrane radially, providing both passive and active release modes without electrical components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If passive evaporation method is used, then the device structure is simple, but the dissemination of volatile material cannot be increased
Solution Approach 1:
The patent applies the dynamics principle by enabling the refill to rotate about its longitudinal axis through a manual drive mechanism. This rotation dynamically exposes different portions of the permeable membrane to airflow, enhancing the dissemination of volatile material without requiring complex electrical components. The system transitions from a static passive evaporation state to an active rotating state that increases material release efficiency.
2Productivity
If electrical components are used for active dissemination, then the dissemination of volatile material is increased, but the device complexity increases
Solution Approach 1:
The patent replaces electrical components with a manual mechanical drive mechanism. Instead of using electric motors or powered fans to rotate the refill and enhance volatile material dissemination, the invention employs a purely mechanical hand-crank or manual rotation system. This substitution achieves active dissemination while avoiding the complexity of electrical components, maintaining simplicity while improving productivity.
3Device complexity
If manual rotation is implemented, then electrical components are eliminated, but the ease of operation decreases
Solution Approach 1:
The patent incorporates a vibration mechanism that oscillates or vibrates portions of the refill or membrane structure. This vibration enhances the release of volatile material through increased surface area exposure and disrupts boundary layers, improving dissemination efficiency. The vibration is integrated into the manual rotation system, allowing enhanced performance without requiring separate complex mechanisms.
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 system effectively increases the release of volatile materials into the environment by allowing manual activation of the dispensing mechanism, enhancing the passive evaporation process through air flow, resulting in a more efficient and controlled delivery of volatile materials without the need for electrical components.
Implementation Method 1
Some devices have a volatile material evaporate from a substrate or membrane, which disseminate the volatile material into the environment
Implementation Method 2
Rotation of the fan causes air to pass over the permeable membrane to release the volatile material in a second active state
Data Source
AI summary
A dispensing system includes a refill having a reservoir for containing a volatile material. A permeable membrane is disposed over the reservoir and allows the volatile material to be released therethrough. The dispensing system also includes a housing adapted to retain the refill and a manual drive mechanism, which is in communication with the refill. Actuation of the manual drive mechanism causes the refill to rotate more than 180° about a longitudinal axis.