Magnetic Filter Cartridge Interconnect for Secure Coded Latching
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Solution Overview
Problem
Existing filter interconnects face challenges in providing effective latching and unlatching mechanisms for filter cartridges, ensuring proper installation and removal, while also incorporating authentication and anti-counterfeiting measures without increasing manufacturing cost and complexity.
Innovation Solution
The use of multipole polymagnets to generate shear forces for translational motion between the filter cartridge and manifold, enabling secure latching and actuation of mechanisms such as valves through magnetic interaction, without physical contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional mechanical latching mechanisms are used to secure filter cartridges, then reliable attachment is achieved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent replaces complex mechanical latching mechanisms with a magnetic field-based system. Coded polymagnets generate magnetic shear forces that automatically latch the filter cartridge to the manifold when properly aligned, eliminating the need for mechanical springs, levers, and complex actuation mechanisms while maintaining secure attachment reliability
Solution Approach 2:
The patent introduces magnetic fields as an intermediary between the filter cartridge and manifold. The coded polymagnets create magnetic shear forces that act as a non-contact mediator to transmit the latching force, replacing direct mechanical contact and reducing the complexity of mechanical components
2Reliability
If authentication mechanisms are incorporated into filter interconnects, then anti-counterfeiting is improved, but manufacturing cost and complexity increase
Solution Approach 1:
The patent uses magnetic field patterns from coded polymagnets as an authentication mechanism. The specific arrangement of magnetic poles creates unique shear force patterns that act as a cryptographic key, verifying authenticity without requiring electronic sensors, processors, or complex authentication hardware
Solution Approach 2:
The patent encodes authentication information in the spatial arrangement and polarity parameters of the magnetic sources within the polymagnets. By varying the position, strength, and polarity of individual magnetic sources according to a code, the system creates unique magnetic shear force signatures that authenticate the filter cartridge without adding complex authentication hardware
3Manufacturing precision
If precise alignment mechanisms are added to filter interconnects, then alignment precision is improved, but device complexity increases
Solution Approach 1:
The patent enables self-alignment through the magnetic shear force mechanism itself. As the filter cartridge approaches the manifold, the coded polymagnets automatically generate shear forces that guide and lock the components into precise alignment without requiring external alignment tools, guides, or adjustment mechanisms
Solution Approach 2:
The patent replaces mechanical alignment guides, precision bearings, and adjustment mechanisms with magnetic field-based alignment. The coded polymagnets create shear force patterns that naturally guide the filter cartridge into the correct position and orientation relative to the manifold, achieving high alignment precision through magnetic interaction rather than mechanical constraints
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 solution provides secure attachment and actuation of filter cartridges, enhances user experience, and reduces the risk of misalignment, while maintaining cost-effectiveness and simplicity in manufacturing.
Implementation Method 1
The invention utilizes a correlated magnetism design that encompasses coded polymagnets, and more specifically, a magnetic attraction, repulsion, or combination thereof, to generate shear force
Data Source
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AI summary
A filtration system interconnection structure having a filter manifold and a filter cartridge in magnetic communication with one another, such that a latching mechanism and latch blocking structure in the manifold secures the filter cartridge with a manifold sump when the filter cartridge is inserted within the manifold sump. The magnetic communication is formed between two complementary coded magnets capable of producing a magnetic shear force when in close proximity to one another. The magnetic shear force removes the latching blocking structure from interfering with the latch, allowing the latch to secure the filter cartridge. The filter and the manifold magnet polarity transitions are aligned such that a shear force is generated between the magnets when the filter cartridge is inserted within the manifold sump housing, allowing for actuation of the latch blocking mechanism against a biasing force, and thereby move radially inwards against a separate biasing force.