Gravity-flow filter assembly
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Solution Overview
Problem
Conventional water bottles and pitchers often lack built-in filters to remove contaminants like chlorine and chemicals from water, and existing filter solutions do not support high flow rates for efficient filling.
Innovation Solution
A gravity-flow filter assembly with a cap that includes a fill aperture and pour aperture, along with a filter assembly featuring a top and bottom filter pad, designed to connect to a container body, allowing for efficient filtration and high flow rates without the need for pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a filter assembly is added to remove contaminants from water, then water purity is improved, but flow rate may be reduced
Solution Approach 1:
The filter assembly utilizes porous filter pads (both top and bottom) that allow water to pass through while trapping contaminants. The porous structure provides sufficient filtration capability while maintaining high flow rates, resolving the contradiction between water purity and flow rate.
Solution Approach 2:
The filter assembly combines multiple materials including filter pads, foam layers, and housing materials to create a composite filtration system. This composite structure achieves effective contaminant removal while preserving high flow characteristics through the strategic combination of different filtration media.
2Manufacturing precision
If a complex filter assembly is used to effectively remove contaminants, then water purity is improved, but device complexity increases
Solution Approach 1:
The filter assembly is segmented into distinct components including a top filter pad, bottom filter pad, and housing structure. This segmentation allows for modular assembly and disassembly, making the complex filtration system easier to manufacture, maintain, and replace while achieving effective contaminant removal.
Solution Approach 2:
The filter pads are nested within the filter assembly housing, with the top and bottom filter pads positioned within the same structural envelope. This nesting approach consolidates multiple filtration elements into a compact unit, reducing overall device complexity while maintaining comprehensive filtration capability.
3Productivity
If pressure is applied to increase flow rate through the filter, then productivity is improved, but the system becomes more complex requiring pressure mechanisms
Solution Approach 1:
The filter assembly is designed to operate under gravity flow without requiring external pressure mechanisms. The system serves itself by utilizing the natural gravitational force to drive water through the filtration media, achieving high flow rates without adding mechanical complexity.
Solution Approach 2:
The design replaces complex mechanical pressure-generating systems with a simple gravity-based flow system. By substituting mechanical pressure mechanisms with gravitational force, the system achieves high productivity while minimizing device complexity.
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 such as chlorine by at least 50% at high flow rates, ranging from 0.5 Lpm to 3 Lpm, while maintaining the efficiency of water filtration in a gravity-flow system.
Implementation Method 1
a filter assembly featuring a top and bottom filter pad, designed to connect to a container body, allowing for efficient filtration and high flow rates without the need for pressure
Data Source
AI summary
In one embodiment, an apparatus for dispensing a liquid is disclosed. The apparatus can comprise a cap configured to connect to a container body having a chamber for containing the liquid. The cap can comprise a pour aperture through which the liquid exits the apparatus. The cap can comprise a pour lid configured to open and close the pour aperture. The cap can comprise a cap vent configured to allow air to flow from the outside environs into the chamber of the container body when the cap is connected to the container body.