Double-Tier Drain Filter Prevents Pipe Clogging
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Solution Overview
Problem
Conventional drain systems fail to effectively prevent clogging due to the accumulation of smaller waste components and oil in drain pipes, despite employing a perforated drain cover that acts as a rough filter.
Innovation Solution
A double-tier drain filter system featuring a base with an upper and lower section, a drain cover with perforations, and a filter assembly including a removable perforated drain basket and filter element, providing a two-pass filtering mechanism from coarse to fine, with threaded interlocks for secure installation and easy maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional perforated drain cover is used as a rough filter, then larger components are prevented from passing through, but smaller waste components and oil still accumulate in the drain pipes causing clogging
Solution Approach 1:
The filtering system is divided into two distinct tiers: a coarse filter (drain cover with large perforations) for capturing larger waste components and a fine filter (filter assembly with mesh screen) for capturing smaller waste components and oil. This segmentation allows each tier to specialize in different particle sizes, effectively preventing clogging while maintaining manageable system complexity
Solution Approach 2:
The invention adds a vertical dimension to filtering by stacking two filter tiers one above the other. The coarse filter is positioned at the top (drain cover level) and the fine filter is positioned below it (filter assembly level), creating a two-dimensional filtering approach that addresses both large and small particles without requiring a completely complex redesign
2Reliability
If a two-stage filtering system is implemented to prevent clogging, then filtering effectiveness is improved, but installation and maintenance difficulty increases
Solution Approach 1:
The filter assembly is designed as a separable unit that can be independently removed from the drain cover. The fine filter (mesh screen) is contained within the filter assembly, which can be detached and cleaned separately. This segmentation allows maintenance workers to access and clean the fine filter without having to disassemble the entire drain system, significantly improving maintenance ease
Solution Approach 2:
The filter assembly acts as an intermediary component between the drain cover and the drain pipe. It provides a standardized interface (threaded connection) that simplifies installation and removal. The threaded mount allows the filter assembly to be securely installed yet easily removed for cleaning, serving as a mediator that bridges the need for effective filtering and easy maintenance
3Ease of operation
If a removable filter assembly with threaded interlock is used, then secure installation and easy removal are achieved, but device complexity increases
Solution Approach 1:
The threaded mount serves multiple functions: it provides secure attachment of the filter assembly to the drain pipe, enables easy removal for cleaning, and creates a standardized interface that simplifies installation. This multi-functional threaded connection reduces the need for additional complex fastening mechanisms, balancing ease of operation with acceptable 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 system effectively filters out dirt, oil, and debris, preventing clogging by ensuring secure connections and facilitating easy installation and maintenance, thereby enhancing the overall drainage efficiency.
Implementation Method 1
a drain cover with perforations couples to the upper section... The drain cover and the filter assembly serves as a double-tier, two-pass filter ranging from coarse to fine filtering
Implementation Method 2
Threads are provided between the lower section and the drain pipe to form a threaded interlock
Implementation Method 3
Threads are provided between the lower section and the drain pipe to form a threaded interlock
Implementation Method 4
An annular mount flange with threads extends from the bottom of the drain cover to thread into the matching inner threads of the drain basket forming another threaded interlock
Implementation Method 5
An annular mount flange with threads extends from the bottom of the drain cover to thread into the matching inner threads of the drain basket forming another threaded interlock
Data Source
AI summary
The double-tier drain filter system includes an elongate base having an upper section and a lower section. A drain cover with perforations couples to the upper section, and the lower section couples to a drain pipe. Threads are provided between the lower section and the drain pipe to form a threaded interlock. A recess inside the upper section receives a filter assembly which includes a removable, perforated drain basket and a filter element inside the drain basket. An annular mount flange with threads extends from the bottom of the drain cover to thread into the matching inner threads of the drain basket forming another threaded interlock. The drain cover and the filter assembly serves as a double-tier, two-pass filter ranging from coarse to fine filtering, respectively. Tools are provided to facilitate installation and cleaning.