Compressor Acoustic Impedance Adapter for Pressure Pulsation Reduction
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Solution Overview
Problem
Existing compressor devices and assemblies face issues with energy inefficiency due to vibrations and pressure pulsations, leading to noise and potential damage, and inefficient fluid evacuation.
Innovation Solution
Incorporating an adapter of acoustic impedance at the fluid duct outlet with an expansion chamber that modifies the acoustic impedance to smooth pressure fluctuations and pulsations, influencing fluid pressure upstream of the adapter to enhance energy efficiency and improve fluid evacuation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an adapter of acoustic impedance is provided at the fluid duct outlet with an expansion chamber, then pressure pulsations and vibrations are reduced, but device complexity increases
Solution Approach 1:
An adapter of acoustic impedance is introduced as an intermediary component between the compressor element and the fluid duct outlet. This adapter includes an expansion chamber that acts as a mediator to smooth pressure fluctuations and reduce vibrations without requiring fundamental changes to the compressor structure.
Solution Approach 2:
The adapter modifies acoustic impedance parameters by creating a specific geometric configuration with an expansion chamber. The change in cross-sectional area and the resulting impedance transformation enable the reduction of pressure pulsations and vibrations while maintaining the existing compressor design.
2Loss of energy
If the adapter of acoustic impedance is designed with a specific geometry, then energy efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
The adapter is designed with specific geometric parameters including the expansion chamber volume, inlet and outlet diameters, and length dimensions. By optimizing these parameters, the adapter achieves improved energy efficiency through better acoustic impedance matching while maintaining manufacturability through standard machining operations.
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 adapter of acoustic impedance reduces energy loss by smoothing fluid flow and compensating pressure pulsations, resulting in a more efficient and smoother fluid supply with reduced noise and damage risk.
Implementation Method 1
an adapter of acoustic impedance is provided at the fluid duct outlet comprising an adapter inlet duct and an adapter outlet duct which are interconnected by means of an adapter intermediate duct part which encloses at least one expansion chamber
Implementation Method 2
an internal cross-sectional area of the adapter inlet duct forms a minimum opening with a certain minimum equivalent internal diameter and wherein an internal cross-sectional area of the adapter intermediate duct part forms a maximum opening with a certain maximum equivalent internal diameter and wherein the maximum equivalent diameter internal of the adapter intermediate duct part is substantially larger than the minimum equivalent internal diameter of the adapter inlet duct
Data Source
AI summary
A compressor device including a compressor element which is at a fluid duct outlet provided with an adapter of acoustic impedance which includes an adapter inlet duct and an adapter outlet duct interconnected by means of an adapter intermediate duct part which encloses at least one expansion chamber. A maximum opening with an equivalent diameter of the adapter intermediate duct part is substantially larger than a minimum opening of the adapter inlet duct with an equivalent diameter.