Inlet Guard with Nested Basket for Debris Trapping
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Solution Overview
Problem
Drainage inlets often allow debris and sludge to enter waterways, posing risks to human lives and pets during rain or ice storms.
Innovation Solution
A device comprising a steel screen attached to the inlet opening and a basket with wire-grid walls attached to the inner side of the inlet, designed to catch debris and sludge before they reach waterways.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a screen is attached to the inlet opening to block debris, then debris prevention is improved, but the inlet may become clogged and require frequent maintenance
Solution Approach 1:
The basket is nested inside the inlet structure, with the screen positioned at the opening and the basket interior containing collection space for debris. This nested arrangement allows the screen to block debris while the basket interior provides a contained space for accumulation, facilitating easier removal and maintenance of collected debris without requiring complete disassembly of the inlet structure.
2Object-affected harmful factors
If a basket is added inside the inlet to catch additional debris, then debris trapping is improved, but device complexity increases
Solution Approach 1:
The screen and basket are merged into a single integrated inlet guard assembly where the screen forms the outer boundary at the inlet opening and the basket interior extends inward from the screen. This merging combines the filtering function of the screen with the collection function of the basket interior into one unified structure, reducing the need for separate components and simplifying installation and maintenance while effectively trapping both debris and sludge.
Data Source
AI summary
A device for an inlet guard is provided. The device includes an inlet having an opening; a screen attached to the opening of the inlet; and a basket attached to the inner side of the inlet, the basket including: a first wire-grid wall located on the rear side of the basket and extending between the left side and the right side of the basket, a second wire-grid wall located on the front side of the basket and extending between the left side and the right side of the basket, and a third wire-grid wall located on the bottom side of the basket and coupled to the first and second wire-grid walls.