Modular Water Treatment Manifold with Secure Cartridge Locking
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Solution Overview
Problem
Existing reverse osmosis water treatment systems lack an effective locking mechanism for filter cartridges, inefficiently monitor membrane performance, and suffer from fluid spillage during cartridge replacement, with limited integration options for permeate pumps.
Innovation Solution
A modular manifold head system with a secure locking mechanism for filter cartridges, real-time monitoring of reverse osmosis membrane performance using a microcontroller and sensors, and a permeate pump integration kit that reduces spillage through a redesigned cartridge inlet and modular design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking mechanism is added to secure filter cartridges, then reliability is improved, but device complexity increases
Solution Approach 1:
The locking mechanism is segmented into modular components: a locking tab on the cartridge, a corresponding receptacle on the manifold head, and a spring-loaded engagement system. This segmentation allows each component to perform a specific function while maintaining overall simplicity and reliability of the connection system.
2Measurement precision
If real-time monitoring of reverse osmosis membrane performance is implemented, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The system implements feedback monitoring by measuring conductivity of feed water and permeate water, comparing these measurements against predetermined thresholds, and providing visual or audible alerts when membrane performance degrades. This feedback loop enables precise monitoring while maintaining relatively simple system architecture through standardized sensors and control logic.
3Loss of substance
If the cartridge inlet is reduced to minimize spillage, then loss of substance is reduced, but ease of operation deteriorates
Solution Approach 1:
The system performs preliminary action by providing alignment guides and positioning features on the cartridge and manifold head that ensure proper alignment before the cartridge is fully inserted. This preliminary alignment prevents misalignment-related spillage while maintaining ease of installation through intuitive positioning.
4Productivity
If a permeate pump is integrated into the reverse osmosis system, then productivity is improved, but device complexity increases
Solution Approach 1:
The permeate pump is merged with the existing manifold head assembly, sharing common mounting structures, fluid pathways, and control systems. This integration approach combines the pumping function with the filtration system while minimizing additional complexity through shared components and unified design.
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
Enhances the security and performance monitoring of filter cartridges, minimizes fluid spillage during replacement, and allows for efficient retrofitting with a permeate pump, improving overall system efficiency and user experience.
Implementation Method 1
The main part of the system is a semi-permeable membrane through which the untreated water passes
Implementation Method 2
The permeate pump increases the net pressure across the reverse osmosis membrane
Implementation Method 3
measuring the conductivity of the water entering the reverse osmosis cartridge, and then measuring the conductivity of the water at the outlet
Data Source
AI summary
A water treatment system is provided having an encapsulate manifold with a reverse osmosis cartridge and one or more filter cartridges. The filter cartridge includes a detent for being received within a slot in the manifold head for secure locking engagement. The water treatment system further includes a single probe conductivity monitoring system for monitoring the performance of a reverse osmosis membrane. The water treatment system is also provided in a modular arrangement wherein manifold heads are physically and fluidly coupled together via a clip which interfaces with the modular manifold heads. The water treatment system also allows for a retrofit application to include a permeate pump. The cartridges are also designed to provide a minimum annular inlet gap to minimize spillage during changing of the cartridges.