Non-adhesive Vibration Reduction Apparatus Using Mechanical Coupling

Solution Overview

Problem

Adhesive-based vibration reduction apparatuses using elastomers in satellite systems are prone to performance degradation due to weakened adhesive forces in harsh environments, leading to elastomer separation and reduced satellite performance.

Innovation Solution

A non-adhesive vibration reduction apparatus utilizing an elastomer coupled through grooves and protrusions on components, eliminating the need for adhesives and allowing for independent manufacturing and easy replacement of parts.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If an adhesive is used to couple the elastomer in the vibration reduction apparatus, then the initial coupling strength is sufficient, but the adhesive force weakens over time under harsh environment conditions (temperature changes, vibration, radiation), leading to elastomer separation and performance degradation

Engineering Contradiction:

Improvecoupling strengthVSAvoidcoupling reliability

Core Design Contradiction:

StrengthVSReliability

Solution Approach 1:

The patent replaces the chemical bonding mechanism (adhesive) with a mechanical coupling system consisting of grooves and protrusions. The elastomer includes grooves that receive protrusions from the support and body components, creating mechanical interlocking that substitutes for the adhesive bonding. This mechanical coupling maintains stable coupling strength without the degradation issues of adhesive materials under harsh space environment conditions.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Ease of manufacture

If an adhesive is used to couple the elastomer, then the apparatus can be manufactured with standard processes, but the adhesive weakens under space environment conditions causing separation and performance loss

Engineering Contradiction:

Improvemanufacturing easeVSAvoidenvironmental degradation

Core Design Contradiction:

Ease of manufactureVSObject-affected harmful factors

Solution Approach 1:

The patent replaces the chemical bonding mechanism (adhesive) with a mechanical coupling system consisting of grooves and protrusions. The elastomer includes grooves that receive protrusions from the support and body components, creating mechanical interlocking that substitutes for the adhesive bonding. This mechanical coupling maintains stable coupling strength without the degradation issues of adhesive materials under harsh space environment conditions.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Adaptability or versatility

If an adhesive-based vibration reduction apparatus is used, then the elastomer can be coupled to the support and body, but the adhesive may fail under vibration and temperature conditions leading to separation

Engineering Contradiction:

Improvecoupling adaptabilityVSAvoidcoupling stability

Core Design Contradiction:

Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The patent replaces the chemical bonding mechanism (adhesive) with a mechanical coupling system consisting of grooves and protrusions. The elastomer includes grooves that receive protrusions from the support and body components, creating mechanical interlocking that substitutes for the adhesive bonding. This mechanical coupling maintains stable coupling strength without the degradation issues of adhesive materials under harsh space environment conditions.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 prevents elastomer separation and maintains vibration reduction performance over time by using mechanical coupling, enhancing durability and simplifying component replacement.

Implementation Method 1

using an elastomer to reduce a vibration of the vibration source 600

Methodology Applied

Scientific EffectElasticity: Elasticity

Implementation Method 2

reduces a vibration generated from the vibration source in the elastomer that is an elastic body

Methodology Applied

Scientific EffectVibration reduction: Damping

Data Source

PatentUS9752644B2Non-adhesive type vibration reduction apparatus

Publication Date: 2017.09.05 KOREA AEROSPACE RES INST

AI summary

Provided is a non-adhesive type vibration reduction apparatus comprising: a support; a body; and an elastomer, wherein the elastomer is coupled in a non-adhesive manner in which an adhesive is not used, thereby preventing a separation of and reducing a damage of an elastomer which result from a weakening of an adhesive force.