Porous Elastomeric Pipe Damper Vibration Damping
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Solution Overview
Problem
Existing elastomeric line dampers lack effective vibration damping and thermal insulation properties, and they do not efficiently manage raw material usage.
Innovation Solution
An elastomeric line damper with a peripheral portion and tine portion made of porous elastomeric material, featuring varying pore sizes and densities, and potentially incorporating metal or ceramic components for enhanced thermal conductivity, is designed to improve damping and insulation while optimizing material usage through foaming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If solid elastomeric material is used for the line damper, then structural strength is maintained, but vibration damping and thermal insulation properties are insufficient
Solution Approach 1:
The patent applies porous elastomeric material throughout the line damper structure, including the peripheral portion and tine portion. The porosity provides air pockets that enhance vibration damping by absorbing mechanical energy and improve thermal insulation by reducing heat transfer pathways, while maintaining sufficient structural strength through the elastomeric base material.
Solution Approach 2:
The patent uses composite construction by incorporating metal particles or ceramic components into the porous elastomeric material. This composite approach combines the vibration damping and insulation properties of the elastomeric matrix with the strength contribution from the embedded metallic or ceramic reinforcement, resolving the contradiction between strength and damping/insulation performance.
2Object-affected harmful factors
If porous elastomeric material is used for the entire line damper, then vibration damping and thermal insulation are improved, but raw material consumption increases
Solution Approach 1:
The patent applies porous elastomeric material selectively to specific regions where damping and insulation are most needed. The peripheral portion uses porous material for overall damping, while the tine portion incorporates porous material with larger pore sizes optimized for vibration absorption. This localized application ensures maximum performance benefit while minimizing total material consumption compared to uniform porous construction.
3Ease of manufacture
If uniform pore size is used throughout the line damper, then manufacturing is simplified, but damping performance is suboptimal
Solution Approach 1:
The patent implements varying pore sizes in different regions of the line damper. The peripheral portion has a first pore size optimized for general damping, while the tine portion has a second, larger pore size specifically optimized for vibration absorption at the contact points with the pipeline. This regional variation in pore structure maximizes damping performance across different functional zones while remaining compatible with standard foaming manufacturing processes.
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 solution provides superior vibration damping, thermal insulation, and strength, allowing for effective noise reduction and heat dissipation while minimizing raw material consumption.
Implementation Method 1
The porous elastomeric material has the technical advantage over a solid material, for example, that it has better vibration damping properties. Airborne and structure-borne noise can therefore be effectively insulated.
Implementation Method 2
In addition, the porous elastomer material has better thermal insulation.
Implementation Method 3
the porous elastomeric material of the prongs comprises metal particles or ceramic components to increase thermal conductivity. This achieves the technical advantage, for example, that heat can be dissipated from the pipeline.
Data Source
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AI summary
The present invention relates to an elastomeric pipe damper (100) with a circumferential section (101) for enclosing a pipe and a serrated section (103) with serrations (103-1, 103-2, ...,103-n) for contacting the pipe, which are arranged on the inside of the circumferential section (101) and which are formed from a porous elastomeric material (105).