Filterwell Cartridge with Compound Faces for Stable Dispensing
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Solution Overview
Problem
Dispensing cartridges in hot tub filterwells face challenges in reliably delivering sanitizing agents without interfering with filtration, as they are prone to being tossed about by changing water flow patterns, leading to uneven dispensing and potential damage, and require easy replacement and on-the-go rate adjustments.
Innovation Solution
An underwater dispensing cartridge with compound faces that securely engage with the filterwell structure, allowing for stable positioning and adjustable dispersant delivery without impeding filtration, featuring a rotatable disk for easy rate adjustments and quick attachment/release mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a free floating dispensing cartridge is used in the filterwell, then the cartridge can be easily installed and removed, but the cartridge is tossed about by changing water flow patterns causing uneven dispersant delivery and potential damage
Solution Approach 1:
The cartridge is divided into modular components including a removable cartridge body, a stationary holder, and separate dispersant reservoir. This segmentation allows the cartridge to be easily installed and removed while the stationary holder provides stable positioning during operation, resolving the contradiction between ease of replacement and reliable dispersant delivery.
Solution Approach 2:
A stationary holder or mounting structure is introduced as an intermediary between the cartridge and the filterwell environment. This holder provides stable positioning and anchoring during water flow, preventing the cartridge from being tossed about, while still allowing easy installation and removal of the cartridge itself.
2Productivity
If the dispensing cartridge is positioned to allow water flow through it, then dispersant can be delivered into the water, but the cartridge may interfere with the filtering action within the filterwell
Solution Approach 1:
The cartridge design incorporates localized dispersant release zones positioned strategically within the filterwell. The dispersant is released at specific locations where it can effectively treat the water without interfering with the filtration path, allowing both dispersant delivery and filtration to occur simultaneously without interference.
Solution Approach 2:
The dispersant delivery function is extracted and positioned separately from the main filtration path. The cartridge releases dispersant into specific zones of the filterwell that do not interfere with the filtration action, allowing both functions to operate independently and effectively.
3Reliability
If the cartridge is secured firmly to prevent movement, then stable dispersant delivery is achieved, but replacement and rate adjustments become difficult
Solution Approach 1:
The mounting system incorporates dynamic characteristics with a stationary holder that provides firm anchoring during operation, but allows for easy release and removal. The design includes quick-release mechanisms or snap-fit features that maintain stability during water flow but enable simple replacement and adjustment without tools, resolving the contradiction between firm securing and ease of operation.
4Adaptability or versatility
If variable openings are used to control dispersant release, then delivery rate can be adjusted, but the mechanism becomes more complex and harder to maintain
Solution Approach 1:
The cartridge incorporates variable openings or adjustable dispensing ports that can be modified to change the dispersant delivery rate. These openings can be adjusted by rotating the cartridge body or moving adjustable components, providing versatile rate control through simple parameter changes rather than complex mechanical mechanisms, maintaining ease of operation while achieving adaptability.
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
Ensures reliable and consistent dispersant delivery into hot tubs, preventing damage and noise, while allowing for easy on-the-go rate adjustments and quick replacement without tools, maintaining filtration efficiency.
Implementation Method 1
water flows through the dispersant containing chamber is shown in U.S. Pat. No. 9,314,747
Data Source
AI summary
A filterwell cartridge having ports for dispensing a dispersant directly into a filterwell of a hot tub, spa or the like with the filterwell cartridge peripherally and postionally supportable in a quick release mode through facial engagement of compound surfaces located on opposite sides of the filterwell cartridge.