Multi-Layer Bearing Vibration Isolator with Non-Diametric Contact
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Solution Overview
Problem
Existing technologies fail to effectively isolate and reduce unwanted vibrations in industrial, commercial, and medical equipment, leading to performance degradation and reduced precision, particularly in audio, optical, and precision medical devices.
Innovation Solution
A vibration isolator comprising a housing with multiple layers of bearings, where each bearing contacts the housing and other bearings at non-diametrically opposed points, dissipating energy and minimizing vibration transmission through a configuration that allows movement and energy dissipation within the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional vibration isolation devices are used, then some vibration reduction is achieved, but they fail to effectively isolate vibrations across a range of frequencies, leading to performance degradation in sensitive equipment
Solution Approach 1:
The vibration isolator divides the isolation function into multiple independent bearings arranged in layers. Each bearing operates independently to isolate vibrations, allowing the system to effectively dampen vibrations across a broader frequency range while maintaining the precision required for sensitive equipment operation
Solution Approach 2:
The patent transitions from single-point or simple multi-point contact isolation to a multi-layer bearing arrangement with multiple contact points distributed in three-dimensional space. This dimensional expansion allows the isolator to address vibrations occurring in multiple directions and frequency ranges simultaneously, improving overall isolation effectiveness without compromising equipment precision
2Ease of operation
If rotating assemblies with pivotal joints are used, then mechanical movement is achieved, but unwanted vibrations are generated that degrade surrounding equipment performance
Solution Approach 1:
The vibration isolator acts as an intermediary element positioned between the rotating assembly and the surrounding equipment or mounting structure. The multiple bearings in the layered configuration absorb and dissipate vibrations generated by the rotating assembly, preventing these harmful vibrations from being transmitted to adjacent sensitive equipment while maintaining the operational movement of the rotating components
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 effectively isolates vibrations across a range of frequencies, improving equipment performance and precision by reducing unwanted vibrations and extending the functional life of sensitive devices.
Implementation Method 1
Each bearing comprises a plurality of contact points in contact with another portion of the vibration isolator
Implementation Method 2
dissipating energy and minimizing vibration transmission through a configuration that allows movement and energy dissipation within the device
Data Source
AI summary
In some embodiments, a vibration isolator comprises a housing having a base portion and a wall portion. A plurality of bearings are disposed within the housing. The bearings are arranged in a configuration comprising a plurality of layers. A first layer comprises a bearing and a second layer comprises a plurality of bearings. Each bearing in the second layer contacts the wall portion of the housing. Each bearing comprises a plurality of contact points in contact with another portion of the vibration isolator, and no two contact points of a bearing are diametrically opposed.