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suspension subassembly

A suspension and component technology, applied in the field of leaf springs, can solve problems such as loud noise, easy corrosion, and poor quality

Active Publication Date: 2019-04-16
埃万特公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While steel leaf springs have the advantage of being useful as attached linkages and / or structural members in addition to their ability to act as energy storage devices, they are substantially inferior in terms of energy storage capacity per unit mass to other Types of springs effective
Steel leaf springs are inherently heavy, noisy and prone to corrosion

Method used

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Examples

Experimental program
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Effect test

example 1

[0124] Example 1 - Tensile Properties of ASTM D3039 Fiber-Resin Composites

[0125] Experimental results for tensile properties of resin matrix composites reinforced by orienting continuous or discontinuous high modulus >20 GPa (>3 x 106 psi) fibers. Testing was performed according to ASTM Standard Test Method D 3039. The tensile strength and modulus of elasticity of the specimens were determined using a testing machine consisting of a fixed member and a movable member. This can provide a means to determine tensile strength using the following equation: S=P / bd, where: S=ultimate tensile strength in MPa or psi, P=maximum load in N or lbf, b = width (in millimeters or inches), and d = thickness (in millimeters or inches), the following equation was used to calculate the modulus of elasticity: E = (ΔP / Δl)(l / bd), where: E = modulus of elasticity (in MPa or psi), ΔP / Δl = slope of the load curve as a function of deformation in the linear portion of the curve, l = gauge length of t...

example 2

[0134] Example 2 - ASTM D 695 Standard Test Method for Compressive Properties of Rigid Plastics

[0135] Presented below are test results used to determine the compressive properties of resin matrix composites reinforced with oriented continuous or discontinuous high modulus fibers.

[0136] The compressive strength and modulus of elasticity of the specimens were determined using a testing machine consisting of a fixed member and a movable member. This test method covers the determination of the mechanical properties of unreinforced and reinforced rigid plastics, including high modulus composites, when subjected to compressive loading at relatively low uniform strains or loading rates. A bench-shaped sample is used. For the compressive properties of resin-based composites reinforced with directional continuous, discontinuous or intersecting reinforcements, tests can be performed according to ASTM D 3410.

[0137] Figure 34 with 35 Fiber direction compressive strength and ...

example 3

[0144] Example 3 - ASTM D 5379 Test Method for Shear Properties of Composite Materials by V-Notch Beam Method

[0145] Presented below are experimental results for determining the shear properties of resin matrix composites reinforced with oriented continuous or discontinuous high modulus fibers by the V-notched beam method.

[0146] The shear strength and modulus of the specimens were determined using a testing machine consisting of a fixed member and a movable member. This test method covers the determination of the shear properties of composite materials reinforced with high modulus fibers. Composite materials are continuous fiber or discontinuous fiber reinforced composite materials that take the form of: 1) a laminate consisting only of unidirectional fiber laminates where the fiber directions are oriented parallel or perpendicular to the loading axis; 2) consisting only Laminates composed of woven fabric filament laminates whose warp direction is parallel or perpendicul...

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Abstract

A suspension sub-assembly includes a fiber reinforced polymeric (FRP) thermoplastic composite upper control arm / spring assembly having a control arm portion and a spring member portion. The suspension sub-assembly can tune roll stiffness of a vehicle during cornering. The FRP thermoplastic composite upper control arm / spring assembly comprises a thermoplastic matrix material reinforced with fibers embedded and aligned in the matrix of the assembly.

Description

technical field [0001] The present disclosure relates generally to leaf springs, and in particular to composite leaf springs and methods of making leaf springs for applications such as automobile and truck suspension systems. The present disclosure relates more particularly to suspension subassemblies. Background technique [0002] To improve fuel economy, increase payload capacity and enhance the ride and handling characteristics of automobiles, trucks, utility vehicles and recreational vehicles, vehicle manufacturers are constantly seeking to reduce the weight of their vehicles. Most vehicles use steel leaf springs as load carrying and energy storage devices in their suspension systems. While steel leaf springs have the advantage of being useful as attached linkages and / or structural members in addition to their ability to act as energy storage devices, they are substantially inferior in terms of energy storage capacity per unit mass to other Type springs are available. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60G11/08B60G21/00
CPCB60G7/04B60G11/04B60G11/08B60G21/005B60G21/026B60G21/05B60G2200/144B60G2202/112B60G2202/114B60G2204/143B60G2204/4102B60G2204/421B60G2204/424B60G2204/82B60G2204/8302B60G2206/15B60G2206/71B60G2206/7101B60G2500/22F16F1/368F16F2228/066
Inventor J·斯彼格尔B·D·皮尔佩尔E·D·皮尔佩尔M·高登
Owner 埃万特公司