Kitchen Sprayer Filter Element Placement After Heating
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Solution Overview
Problem
Existing kitchen water filtration systems often introduce new impurities after heating and require complex filter element replacement processes.
Innovation Solution
A kitchen sprayer with a filter and pull-down faucet design that integrates a filter element assembly with a hollow cylinder, allowing for easy installation and replacement, and a switching mechanism to toggle between filtering and direct flow modes, ensuring filtered water is processed after heating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the filter element is arranged before the heating device on the water pipeline, then the filtration process is simplified, but new impurities are introduced into the purified water after passing through the heating device
Solution Approach 1:
The patent inverts the conventional filtration system arrangement by placing the filter element after the heating device instead of before it. This reversal ensures that water is filtered after heating, preventing re-introduction of impurities and solving the contamination problem while maintaining system simplicity
2Reliability
If the filter element replacement follows conventional design, then the filtration function is maintained, but the replacement process becomes complex and requires tools
Solution Approach 1:
The filter element is designed as a separable component that can be independently removed from the sprayer body. The segmentation allows the filter element to be replaced without disassembling the entire sprayer or requiring special tools, maintaining filtration reliability while significantly improving replacement ease
Solution Approach 2:
The filter element replacement mechanism is designed to be user-friendly and tool-free, allowing consumers to perform maintenance themselves without professional assistance. The self-service design includes easy-access positioning and simple removal/installation procedures that do not require technical expertise or special tools
3Object-affected harmful factors
If the filter element is placed at the end of the plumbing system, then filtered water is processed after heating, but the filter replacement becomes more complex
Solution Approach 1:
By segmenting the filter element as a separate, self-contained component with standardized interfaces, the patent enables placement at the optimal location (after heating) while keeping installation simple. The modular design allows the filter to be positioned where it provides maximum benefit without proportionally increasing system complexity
Solution Approach 2:
The filter element design incorporates universal mounting features that allow it to be installed in various positions within the sprayer assembly. This multi-position compatibility enables optimal placement for water quality protection while maintaining ease of installation through standardized, tool-free mounting mechanisms
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 effectively filters hot water by placing the filter element at the end of the plumbing system, simplifying filter replacement and allowing single-hand switching between filtering and direct modes, enhancing water quality and convenience.
Implementation Method 1
a filter element is a hollow cylinder, an interior of the filter element is a purified water chamber, and an outside of the filter element is a raw water chamber
Data Source
AI summary
A kitchen sprayer with filter includes a sprayer housing which has a top comprising a water inlet connectable to a faucet or a hose; a filter element assembly arranged in the sprayer housing having a filter element upper lid, a filter element and a filter element lower lid. The filter element is a hollow cylinder, an interior of the filter element is a purified water chamber, and an outside of the filter element is a raw water chamber; the filter element assembly is configured to be integrally mounted and disassembled with respect to the sprayer housing; a handle by which the filter element assembly is configured to be taken out is arranged at a bottom of the filter element lower lid; and a water outlet panel assembly is mounted on a bottom of the sprayer housing.