Polymeric Marine Drain Pot with Flexible Catches
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Solution Overview
Problem
Conventional metal drains for marine vessels are susceptible to corrosion and require complex installations, posing challenges for installers and compatibility with non-metallic piping systems.
Innovation Solution
A polymeric material-based drain pot with flexible catches for easy installation and a fire stop system to prevent fire spread, eliminating corrosion issues and simplifying installation by using a snap-fit mechanism within an annular deck adapter.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If metal drains are used in marine vessels, then structural strength and durability are improved, but corrosion susceptibility and installation complexity worsen
Solution Approach 1:
The drain pot combines a polymeric body (corrosion-resistant) with an adapter assembly that provides structural support. This composite construction allows the drain to achieve both corrosion resistance and adequate structural strength by distributing mechanical loads to the adapter while the polymeric body resists chemical degradation from water exposure.
Solution Approach 2:
The polymeric drain pot is designed as a replaceable component that can be easily removed and installed without permanent modification to the vessel deck. If corrosion or damage occurs, the entire drain pot assembly can be replaced as a single unit, reducing maintenance complexity and improving reliability over time.
2Strength
If metal drains with welding connections are used, then structural integrity is improved, but installation difficulty and time consumption worsen
Solution Approach 1:
The drain system is divided into separate modular components: the polymeric drain pot body and the adapter assembly. The adapter contains integrated mounting features that simplify installation, while the drain pot can be independently replaced. This segmentation eliminates the need for welding or permanent deck modifications, reducing installation difficulty while maintaining structural integrity through the adapter's connection to the deck.
Solution Approach 2:
The adapter is pre-configured with mounting features and connection points during manufacturing. The drain pot is designed with pre-formed engagement features that align with the adapter, allowing installers to simply snap or screw the pot into place without requiring complex installation procedures, welding equipment, or deck modifications.
3Adaptability or versatility
If metal drains are used to adapt to non-metallic piping systems, then compatibility is improved, but connection complexity worsens
Solution Approach 1:
The polymeric drain pot is designed with a universal connection interface that can accommodate various non-metallic piping systems. The outlet configuration and material compatibility allow direct connection to plastic, composite, or other non-metallic pipes without requiring additional adaptation components, reducing connection complexity while maintaining versatility.
4Strength
If conventional drain pots with helical threads are used, then connection strength is improved, but installation complexity and time consumption worsen
Solution Approach 1:
Instead of requiring the installer to manually thread helical connections (time-consuming), the design inverts the approach by providing pre-formed engagement features on both the drain pot and adapter. The connection is established through a simple snap-fit or screw-in mechanism that achieves adequate connection strength without requiring threading operations, significantly reducing installation time while maintaining sufficient connection integrity.
Data Source
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AI summary
A drain pot includes a body and at least one flexible catch. The body has an inlet and an outlet. The inlet and the outlet are at opposing ends of the body and in fluid communication with each other. The at least one flexible catch extends from and is disposed around the body.