Damper Housing Stiffening via Roller Press Preload
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Solution Overview
Problem
Existing damper assemblies for vehicle suspension systems require welding or threaded connections to secure components, which can be cumbersome and may not provide adequate strength and stiffness, especially in dynamic conditions.
Innovation Solution
A damper assembly design that utilizes a press with rotatable rollers to bend and stiffen the housing middle portion, eliminating the need for welding or threaded connections by applying preload compression forces to maintain the body and components within the housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If welding or threaded connections are used to secure components, then the assembly process is established, but the process becomes cumbersome and may not provide adequate strength and stiffness
Solution Approach 1:
The patent replaces traditional mechanical connection methods (welding or threaded connections) with a preload compression force applied by a press. This mechanical substitution eliminates the need for complex assembly processes while providing adequate strength and stiffness through continuous compression force on the housing middle portion.
2Reliability
If welding or threaded connections are used to secure components, then the assembly can be constructed, but the strength and stiffness may be inadequate in dynamic conditions
Solution Approach 1:
The patent changes the connection parameter from discrete mechanical joints (welds or threads) to a continuous compression force parameter. By applying preload compression force to the housing middle portion, the system achieves reliable connection in dynamic conditions through parameter optimization rather than complex structural design.
3Ease of manufacture
If a press with rollers is used to bend and stiffen the housing, then welding is eliminated, but the mechanism becomes more complex
Solution Approach 1:
The patent applies preliminary action by using the press and rollers to bend and stiffen the housing middle portion before final assembly. This preliminary structural preparation eliminates the need for welding during assembly, as the housing is pre-formed to receive components and maintain them through compression force.
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 enhances the strength and stiffness of the damper assembly components, allowing for secure assembly without welding, thereby improving the durability and reliability of the damper assembly in controlling wheel movement relative to the vehicle body.
Implementation Method 1
a press with rotatable rollers to bend and stiffen the housing middle portion
Implementation Method 2
applying preload compression forces to maintain the body and components within the housing
Data Source
Figure 1
Figure 2
Figure 3A
AI summary
An assembly for securing a component of a damper assembly includes a press movable along an axis from a retracted position to an extended position. The assembly includes a plurality of rollers rotatably supported at an end of the press. The rollers have an outer circumferential surface that includes a middle portion extending, in cross-section, transversely to the axis and linearly between an entry portion and a top portion of the outer circumferential surface.