Gravity-Flow Filter Assembly with Segmented Cartridges
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Solution Overview
Problem
Conventional water bottles and pitchers often lack filters to remove contaminants like chlorine and chemicals from water, and existing filter solutions do not support high flow rates, making them inefficient for quick filtration.
Innovation Solution
A gravity-flow filter assembly with a cap and container design that includes a fill aperture, pour aperture, and a filter assembly with a diffuser and mesh filter cartridges, allowing for efficient filtration of liquids at high flow rates without pressure, using stainless steel mesh and granular activated carbon filtration media.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a filter assembly is added to remove contaminants, then water purity is improved, but flow rate decreases
Solution Approach 1:
The filter assembly is segmented into multiple filter cartridges (first filter cartridge, second filter cartridge) with different filtration stages. Each cartridge contains filtration media arranged in specific zones, allowing different types of contaminants to be removed at different stages, thereby maintaining high flow rate while ensuring comprehensive purification
Solution Approach 2:
The filter cartridges utilize porous filtration media with controlled pore sizes. The first filter cartridge uses coarser porous media for initial contaminant removal, while the second filter cartridge uses finer porous media for final filtration. This porous structure allows efficient particle capture while maintaining adequate flow rates through the filter assembly
2Reliability
If filtration media is added to remove contaminants, then water purity is improved, but device complexity increases
Solution Approach 1:
The filter cartridges are nested within the filter assembly housing, with each cartridge containing multiple filtration media zones arranged concentrically or in stacked configurations. This nested arrangement allows multiple filtration stages to be integrated within a compact structure, reducing overall device complexity while maintaining effective contaminant removal
Solution Approach 2:
The filter assembly is designed as a universal component that can be attached to various container types (bottles, pitchers, carafes). The standardized interface and modular cartridge design allow the same basic filter assembly structure to serve multiple applications, reducing design complexity compared to custom filters for each container type
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 filter assembly effectively reduces contaminants by at least 50% at flow rates of 0.5 to 3 Lpm, ensuring clean water is delivered quickly and efficiently, suitable for various containers like bottles, pitchers, and carafes.
Implementation Method 1
A filter assembly can be coupled with the cap, the filter assembly comprising filtration media to filter the liquid
Implementation Method 2
granular activated carbon filtration media
Implementation Method 3
The diffuser can be configured to diffuse the supplied liquid laterally before the liquid passes to the filter assembly
Implementation Method 4
A gravity-flow filter assembly with a cap and container design that includes a fill aperture, pour aperture, and a filter assembly
Data Source
AI summary
An apparatus for dispensing a liquid is disclosed. The apparatus can include a cap configured to connect to a container body having a chamber for containing the liquid. The cap can include a fill aperture through which the liquid is supplied to the container body and a pour aperture through which the liquid exits the apparatus. A fill lid can be rotatable about a pivot axis in a first direction to close the fill aperture and rotatable about the pivot axis in a second direction to open the fill aperture, the first direction opposite the second direction. A pour lid can be rotatable about the pivot axis in the first direction to open the pour aperture and rotatable about the pivot axis in the second direction to close the pour aperture. A filter assembly comprising a filter cartridge can connect to the cap.