Fiber composite component and method for producing a fiber composite component

Patent metadata

Field	Value
Publication number	US-9233591-B2
Application number	US-201414522027-A
Country	US
Kind code	B2
Filing date	Oct 23, 2014
Priority date	Oct 24, 2013
Publication date	Jan 12, 2016
Grant date	Jan 12, 2016

Abstract

A fiber composite component, in particular a torsion-bar stabilizer for a motor vehicle, having an elongate main body which has a plurality of tubular layers which are each formed from fibrous threads and casting resin, wherein the tubular layers are arranged in one another in the radial direction of the main body, and wherein the fibrous threads f the different layers are each oriented at different angles relative to a longitudinal direction of the main body, wherein the fibrous threads are braided together in order to form the different layers.

First claim

The invention claimed is:

1. A fiber composite component for a motor vehicle, having:
an elongate main body which has a plurality of tubular layers which are each formed from fibrous threads and casting resin, wherein the tubular layers are arranged in one another in the radial direction of the main body, and wherein the fibrous threads of the different layers are each oriented at different angles relative to a longitudinal direction of the main body, wherein the fibrous threads are braided together in order to form the different layers.

2. The carbon fiber composite component as claimed in claim 1 , wherein the different layers are formed as separate braided bodies.

3. The carbon fiber composite component as claimed in claim 1 , wherein the layers are connected firmly together by means of the casting resin.

4. The carbon fiber composite component as claimed in claim 1 , wherein the angle of the fibrous threads of the different layers decreases from inside to outside.

5. The carbon fiber composite component as claimed in claim 1 , wherein the different layers additionally have longitudinal threads which are oriented parallel to the longitudinal direction.

6. The carbon fiber composite component as claimed in claim 5 , wherein in each layer the longitudinal threads are adhesively bonded to the fibrous threads of the layer.

7. The carbon fiber composite component as claimed in claim 5 , wherein in each layer the longitudinal threads are braided with the fibrous threads of the layer.

8. The carbon fiber composite component as claimed in claim 5 , wherein a number of longitudinal threads in the different layers varies.

9. The carbon fiber composite component as claimed in claim 1 , wherein the angle varies from 10° to 80°.

10. The carbon fiber composite component as claimed in claim 1 , wherein the fibrous threads and the longitudinal threads are in the form of carbon fiber threads and in that a carbon fiber composite material is formed by casting with casting resin.

11. A method for producing a fiber composite component for a motor vehicle, having the steps of:
braiding a first elongate tubular layer made of fibrous threads,
braiding a second separate elongate tubular layer made of fibrous threads, wherein the second tubular layer is arranged in the radial direction around the first tubular layer, wherein the fibrous threads of the first and of the second tubular layer are braided at different angles relative to a longitudinal direction of the tubular layers, and
casting the tubular layers with casting resin.

12. The carbon fiber composite component as claimed in claim 1 , comprising a torsion bar stabilizer.

13. The carbon fiber composite component as claimed in claim 9 , wherein the angle varies from 30° to 45°.

14. The method as claimed in claim 11 , wherein the carbon fiber composite component comprises a torsion bar stabilizer.

Assignees

• Porsche Ag
• H G F Porsche Ag Dr Ing

Inventors

• Begenau Eric
• Schmidt Boris
• Rapp Gustav

Classifications

• B29C70/24

  oriented in at least three directions forming a three-dimensional [3D] structure · CPC title

• B29K2307/04

  Carbon · CPC title

• B60G2206/427

  Stabiliser bars or tubes · CPC title

• B60G21/055 Primary

  Stabiliser bars · CPC title

• B60G2206/7101

  Fiber-reinforced plastics [FRP] · CPC title