Pressure-chamber sound-absorbing device

The silencer device addresses inefficiencies and resonance issues in existing silencers by utilizing a vibrating gas-density membrane with measured elasticity within a pressure chamber, achieving enhanced sound energy reduction and absorption.

WO2025056121A1 Publication Date: 2025-03-20SITTER DOMINIK +1
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Patent Information

Application Number
PCT/DE2024/100812
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-09-15
Filing Date
2024-09-12
Publication Date
2025-03-20

AI Technical Summary

Technical Problem

Existing silencer devices are inefficient and often produce unpleasant resonance effects, limiting their effectiveness in dampening sound energy within gas-tight systems.

Method used

A silencer device featuring a vibrating gas-density membrane with measured elasticity, designed to efficiently convert sound energy into kinetic energy, thereby reducing sound energy. The membrane is housed in a pressure chamber with a swinging bearing mechanism and a pressure chamber ring, allowing for adjustable internal pressure and optimized sound absorption.

Benefits of technology

The solution significantly enhances the efficiency of sound energy reduction compared to traditional silencer devices, effectively dampening all forms of sound energy while minimizing resonance effects.

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Abstract

An effective sound-absorbing device (100) for absorbing sound waves occurring within a system sealed in a gas-tight manner is created by arranging at least one gas-tight membrane (110) mounted via an elastic mounting, the mounting having an elasticity that is dimensioned such as to efficiently convert sound energy into kinetic energy and thereby reduce the sound energy.
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