Pipe Coupling Gasket Assembly for Consistent Seal Compression
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Solution Overview
Problem
Conventional pipe coupling assemblies often face challenges in achieving a reliable and consistent seal, particularly due to issues with gasket compression and retention, leading to potential leaks and inefficiencies in fluid conduit connections.
Innovation Solution
The improved pipe coupling assembly features an arcuate clamp ring with a spanner that tightens across a longitudinal ring gap, utilizing a specially designed gasket with a spanner recess and nested split-ring layers to ensure effective sealing by compressing the gasket between the clamp ring and spanner, providing controlled pressure and preventing leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional gaskets are used in pipe coupling assemblies, then the assembly structure is simple, but the sealing reliability is insufficient leading to potential leaks
Solution Approach 1:
The gasket is divided into multiple functional layers including an outer gasket layer with spanner recess and an inner gasket layer, allowing each layer to perform specific sealing functions and improving overall sealing reliability while maintaining manageable complexity
Solution Approach 2:
The inner gasket layer is nested within the outer gasket layer structure, with the spanner recess integrated into the outer layer and the inner layer positioned within the sealing interface, creating a nested configuration that enhances sealing without excessive complexity
2Reliability
If the gasket is compressed tightly to prevent leakage, then sealing reliability improves, but the adaptability to pipes of varying diameters decreases
Solution Approach 1:
The gasket assembly incorporates flexible elements and a layered structure that can dynamically adjust to different pipe diameters while maintaining consistent sealing pressure, allowing the same gasket design to adapt across various pipe sizes
Solution Approach 2:
The gasket design allows for parameter adjustments in compression force and distribution across different installation scenarios, enabling consistent sealing performance whether the pipe diameter is small or large through controlled variation of compression parameters
3Ease of operation
If the spanner is positioned externally to the gasket, then assembly is easier, but sealing reliability deteriorates due to inconsistent compression
Solution Approach 1:
The spanner is nested within the spanner recess of the outer gasket layer, positioning it internally rather than externally, which allows the compression force to be applied more consistently across the sealing interface while still allowing for relatively easy assembly
Solution Approach 2:
The spanner recess acts as an intermediary structure that mediates between the spanner positioning and the gasket compression, ensuring that the compression force is distributed evenly across the sealing surface while maintaining assembly simplicity
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
This configuration enhances the sealing force and reliability, preventing fluid leakage while allowing for adaptability to pipes of varying diameters through the removable inner gasket layer, ensuring a consistent and efficient seal during assembly and operation.
Implementation Method 1
an arcuate gasket configured to be positioned between the clamp ring and the spanner... compressed by the split-ring gland for sealing one pipe end to the sleeve
Data Source
AI summary
A conduit coupling assembly having an arcuate clamp ring having first and second longitudinal edges, a spanner configured to extend across a longitudinal ring gap between the first and second longitudinal edges, a connecting assembly configured to tighten the spanner and clamp ring to the fluid conduit from a non-actuated position to a tightened position, an arcuate gasket configured to be positioned between the clamp ring and spanner on an outer side of the gasket and the fluid conduit on an inner side of the gasket, and the gasket comprising a spanner recess in the outer side of the gasket configured to receive at least a portion of the spanner.