Drainage End Cap Convex Surface Fluid Diversion
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Solution Overview
Problem
Existing drainage systems suffer from fluid pooling, leading to undesirable odors, bacterial growth, and pest promotion due to sump formation between the end cap and pipes, and are prone to leakage and end cap failure under load and pressure.
Innovation Solution
The drainage system incorporates an end cap with a convex surface that diverts fluid into pipes, coupled with radial ribs and a concave portion for structural support, providing a secure and efficient fluid diversion mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a flat end cap is used to close the drain basin, then the structure is simple and easy to manufacture, but fluid pooling occurs leading to odors, bacterial growth, and pest promotion
Solution Approach 1:
The end cap incorporates a convex surface that protrudes into the drain basin, creating a curved, dome-like structure. This curvature prevents fluid from pooling by directing it toward the peripheral edges and into the connected pipes, thereby eliminating the harmful effects of standing water while maintaining manufacturing simplicity through integral forming of the convex shape.
Solution Approach 2:
The end cap features a localized convex surface specifically positioned to interact with fluid flow, while the rest of the end cap maintains a flat or standard structure for easy manufacturing. This localized geometric modification targets the fluid pooling problem without requiring complete redesign of the entire end cap structure.
2Ease of manufacture
If the end cap is joined to the drain basin using adhesive or welding, then assembly is straightforward, but the joint degrades over time causing leakage and disengagement
Solution Approach 1:
The end cap is designed with a flange that creates a distinct sealing interface segment between the end cap and drain basin. This segmentation allows for a dedicated gasket or seal to be placed at the interface, providing a reliable barrier against leakage while maintaining straightforward assembly through mechanical fastening methods.
Solution Approach 2:
A gasket or seal acts as an intermediary element between the end cap flange and the drain basin opening. This intermediary component provides a durable sealing interface that prevents leakage and degradation over time, while allowing the end cap to be easily assembled and disassembled without compromising the seal integrity.
3Ease of manufacture
If a simple end cap structure is used, then manufacturing is easy and cost-effective, but the end cap cannot support excessive loads and pressures from fluid and ground
Solution Approach 1:
The convex, dome-like surface of the end cap acts as an arch structure that distributes applied loads and pressures across its curved surface and into the flange and drain basin. This geometric strengthening increases load-bearing capacity without adding significant material or manufacturing complexity, as the convex shape can be formed integrally during molding or fabrication.
Solution Approach 2:
The end cap may utilize composite material construction or material reinforcement strategies that combine different material properties to achieve high strength-to-weight ratios. This allows the end cap to withstand excessive loads and pressures from fluid and ground while maintaining manufacturing simplicity and cost-effectiveness through efficient material usage.
4Ease of repair
If the end cap is designed to be easily removable, then maintenance and repair are simple, but the connection may not provide sufficient structural support under load
Solution Approach 1:
The end cap is designed with a flange and connection interface that segments the assembly into easily separable components. Mechanical fasteners such as bolts or clips allow the end cap to be quickly removed for maintenance while providing sufficient structural support when assembled. The segmented design enables independent replacement of the end cap without affecting the drain basin or piping system.
Solution Approach 2:
The connection mechanism between the end cap and drain basin is designed to be dynamically adjustable, allowing for easy assembly and disassembly during installation and maintenance, while providing rigid structural support during normal operation. This dynamic design accommodates both the ease of repair requirement and the strength requirement under load conditions.
Data Source
AI summary
A drainage system for draining a fluid is disclosed. The drainage system includes a drain basin having a tubular body, the tubular body including a lumen, an outer surface, a top end, and a bottom end. The drainage system also includes at least one pipe connected to the tubular body and an end cap coupled to the bottom end of the tubular body, the end cap including a convex surface configured to divert the fluid to the at least one pipe, wherein the convex surface of the end cap is inserted through the bottom end and is disposed within the lumen of the tubular body.