Hybrid PID-Elastomer Isolation Assembly for Hi-Fi Vibration Damping
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Solution Overview
Problem
Existing vibration damping systems for high-fidelity sound systems fail to effectively enhance the quality of music by inadequately addressing complex and multi-axis vibrations, leading to distortion and noise interference from external and internal sources.
Innovation Solution
A combination of particle impact damping (PID) and elastomer damping (ED) technologies in a single assembly, where PID chambers with stainless steel particles dissipate high-frequency vibrations and elastomer dampers with a concave surface and apertures absorb low-frequency vibrations, providing comprehensive frequency range absorption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single type of vibration damping system is used, then the device complexity is reduced, but the ability to dampen both high-frequency and low-frequency vibrations is insufficient
Solution Approach 1:
The patent combines particle impact damping (PID) and elastomer damping (ED) technologies into a single integrated assembly. The PID portion contains stainless steel particles in a first cavity while the ED portion contains a concave elastomer damper in a second cavity, both within the same main body structure. This merging allows the system to handle both high-frequency vibrations (via particle impact) and low-frequency vibrations (via elastomer deformation) simultaneously, achieving broad-spectrum vibration damping without requiring separate damping systems.
2Reliability
If vibration damping is not adequately addressed, then the device complexity remains low, but distortion and noise interference occur in high-fidelity audio reproduction
Solution Approach 1:
The patent merges PID and ED technologies into a unified damping assembly that protects high-fidelity audio equipment from both high-frequency and low-frequency vibrations. The main body integrates two sealed cavities - the first cavity contains particle impact dampers while the second cavity contains the elastomer damper. This combined approach comprehensively addresses vibration sources from loudspeakers and external environments, preventing distortion and noise interference in audio reproduction without requiring multiple separate damping systems.
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 combined PID/ED assembly effectively absorbs a wide range of vibrations, reducing distortion and noise, thereby maintaining the clarity and quality of high-fidelity audio reproduction by converting kinetic energy into heat and using viscoelastic materials for broad-spectrum absorption.
Implementation Method 1
particle impact damping (PID) with stainless steel particles dissipate high-frequency vibrations
Implementation Method 2
converting kinetic energy into heat
Implementation Method 3
elastomer dampers with a concave surface and apertures absorb low-frequency vibrations
Implementation Method 4
using viscoelastic materials for broad-spectrum absorption
Data Source
AI summary
The present disclosure combines a particle impact damping (PID) chamber with an elastomer damping (ED) component (also referred to as a block) in an assembly to dampen vibration when placed under a piece of hi-fi equipment. According to an aspect of the present invention, there is provided an assembly for damping vibration comprising a main body defining a first cavity and a second cavity, a plurality of particle impact dampers contained within the first cavity of the main body; and an elastomer damper contained within the second cavity.