Water Filter Flume Geometry for Cartridge Seating and Airlock Prevention
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Solution Overview
Problem
Existing water filtration systems in pitchers face issues with proper alignment and seating of filter cartridges, leading to potential contamination and reduced filtration efficiency due to misalignment, improper seating, airlock, and media disturbance.
Innovation Solution
A flume mechanism is integrated into the water pitcher to ensure proper seating and retention of the filter cartridge, providing a force to maintain alignment and directing water flow away from air vents to prevent airlock and media disturbance, with sensory feedback for user confirmation of correct seating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the filter cartridge is simply dropped into the candle, then the operation is simple, but proper alignment and seating cannot be achieved
Solution Approach 1:
The flume is pre-positioned in the candle to guide the filter cartridge during insertion. The flume's geometry is designed in advance to automatically align and seat the filter cartridge properly as water flows through it, eliminating the need for manual alignment while ensuring precise seating.
Solution Approach 2:
The flume acts as an intermediary element between the water source and the filter cartridge. It mediates the interaction by using water flow to automatically position and seat the filter cartridge, transforming a manual alignment task into an automated process driven by fluid dynamics.
2Reliability
If the filter cartridge is manually aligned and seated, then proper sealing is achieved, but user effort and complexity increase
Solution Approach 1:
The system uses the water flow itself to perform the seating and alignment function. When water is poured into the candle, it automatically flows through the flume, which in turn automatically positions and seats the filter cartridge, making the system self-servicing without requiring additional user actions or complex mechanisms.
Solution Approach 2:
The invention uses hydraulic principles by utilizing water flow through the flume to generate the forces necessary for aligning and seating the filter cartridge. The water pressure and flow dynamics automatically push the filter cartridge into its correct position and ensure proper sealing.
3Productivity
If water flows directly onto the filter cartridge, then filtration occurs, but airlock and media disturbance occur
Solution Approach 1:
The flume serves as an intermediary structure that intercepts the water flow before it reaches the filter cartridge. It redirects the water to flow along its surfaces and exit through controlled outlets, preventing direct impact on the filter media while still delivering adequate flow for filtration.
Solution Approach 2:
The flume creates different flow conditions in different locations: gentle flow along its surfaces to prevent airlock and media disturbance, while maintaining sufficient flow velocity at the outlets to ensure effective filtration. This local variation in flow quality addresses both concerns.
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 flume mechanism ensures a reliable seal, prevents contamination, and maintains filtration efficiency by ensuring proper alignment and seating of the filter cartridge, reducing the risk of airlock and media disturbance during use.
Implementation Method 1
directing water flow away from air vents to prevent airlock and media disturbance
Implementation Method 2
providing a force to maintain alignment and seating
Data Source
AI summary
In one example, a flume is provided that is suitable for use in connection with a filter cartridge of a water filtration system. The flume includes a hollow body that can be received within a chassis of a pitcher, and the hollow body further includes an inlet and an outlet. Flume surfaces within the hollow body cooperate to at least partly define a fluid passage extending from the inlet to the outlet. A contact portion of the flume is located proximate the outlet and engageable with a filter cartridge such that when the contact portion is engaged with the filter cartridge, a portion of the filter cartridge engaged by the flume is located outside of the fluid passage.