Elastically Deformable Assembly Link for Vibration Damping

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Solution Overview

Problem

Current assembly systems for superimposed supports in vehicles fail to effectively isolate environments from mechanical vibrations, requiring complex and costly solutions to achieve both good insulation and reduced vibration transmission.

Innovation Solution

An assembly device with an obturation body, a spacer, and a bonding system that includes an elastically deformable link system to absorb mechanical vibrations, allowing the shutter body and spacer to move closer along a main axis, thereby reducing vibration transmission while maintaining the superimposed configuration of the supports.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional assembly devices are used to join two supports, then the supports can be securely assembled with good rigidity and insulation, but mechanical vibrations are transmitted from one environment to another

Engineering Contradiction:
Improveassembly rigidityVSAvoidvibration transmission
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent incorporates a damping element in advance within the assembly device, positioned between the first and second supports. This element is designed to absorb mechanical vibrations before they can be transmitted from the engine compartment to the passenger compartment, thereby resolving the contradiction between maintaining assembly rigidity and preventing vibration transmission.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

Solution Approach 2:

The damping element acts as an intermediary component between the first support (structural wall) and the second support (insulating panel). This mediator absorbs and dissipates mechanical vibrations while allowing the supports to remain securely connected, thus preventing harmful vibration transmission while maintaining assembly reliability.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If damping devices are added to reduce vibration transmission, then mechanical vibrations can be reduced, but the solution becomes complex and expensive in terms of manufacturing and implementation

Engineering Contradiction:
Improvevibration transmissionVSAvoidmanufacturing complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The patent merges the damping function with the assembly device itself by integrating a damping element into the existing structure. The damping element is incorporated as part of the assembly mechanism that joins the first and second supports, eliminating the need for separate damping devices and reducing manufacturing complexity while still achieving vibration reduction.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The assembly device is designed to perform multiple functions simultaneously: it provides structural support, ensures thermal and acoustic insulation, and dampens mechanical vibrations. By making the assembly device multi-functional, the patent avoids the need for additional specialized damping components, thereby reducing device complexity and manufacturing costs while effectively reducing vibration transmission.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 assembly system provides a reliable, economical, and efficient means to assemble supports while significantly limiting mechanical vibrations between environments, enhancing comfort and reducing manufacturing complexity.

Implementation Method 1

a linking system mechanically connecting the obturator body and the spacer and having the ability to deform elastically along the main axis in such a way as to provide an elastically deformable and damping mechanical link between the obturator body and the spacer along the main axis

Methodology Applied
Scientific EffectElastic deformation: Elasticity

Implementation Method 2

having the ability to deform elastically along the main axis in such a way as to provide an elastically deformable and damping mechanical link between the obturator body and the spacer

Methodology Applied
Scientific EffectDamping: Damping

Data Source

PatentEP3650712B1Device for assembling two stacked supports providing a link between the supports with an ability for relative movement and damping
Publication Date: 2023.03.01 A RAYMOND & CO SCS
  • EP3650712B1 patent drawingFigure 1~2
  • EP3650712B1 patent drawingFigure 3~4
  • EP3650712B1 patent drawingFigure 5

AI summary

An assembly device (10) for first and second superimposed supports (100, 200) includes a plug body (20) fixed by insertion to plug an opening (102) in the first support (100), and a spacer (30) axially offset from the body (20) and comprising bearing elements against the second support (200) to hold the second support (200) in position. A linkage system (40) mechanically connects the plug body (20) and the spacer (30) and can axially deform elastically in such a way as to provide an elastically deformable and damping mechanical connection between the plug body (20) and the spacer (30).