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Stabilizer bar and process of manufacturing stabilizer bar

A stabilizer and strength technology, applied in the direction of manufacturing tools, improvement of process efficiency, metal processing equipment, etc., can solve problems such as leakage at the end of the stabilizer, material failure, etc.

Active Publication Date: 2021-05-25
MUHR UND BENNDER KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, leaks can occur at the ends of the stabilizers, which can lead to material failure in the worst possible case

Method used

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  • Stabilizer bar and process of manufacturing stabilizer bar
  • Stabilizer bar and process of manufacturing stabilizer bar
  • Stabilizer bar and process of manufacturing stabilizer bar

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Embodiment Construction

[0045] The stabilizer 2 of the present invention, which is used in the chassis of a motor vehicle, is shown in FIGS. 1 and 2 which will be described together below. Specifically, the stabilizer 2 is configured as a generally tubular, elongated member formed into a desired shape for use in a vehicle. The stabilizer 2 comprises a torsion spring part 3 and two arms 4, 4', the torsion spring part 3 may also be called a torsion bar spring part or the back of the stabilizer, and the two arms 4, 4' are bent at an angle away from the torsion spring part 3. The arm can also be called a lever arm. Corresponding bends 5, 5' are formed between the torsion spring part 3 and the arms 4, 4'. It can be seen that the inventive stabilizer 2 is mirror-symmetrical with respect to the central plane E and comprises arms 4, 4' at both ends. However, it should be understood that the stabilizer may also be asymmetrical and that it may also comprise different arms 4, 4' depending on spatial condition...

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Abstract

The invention relates to a stabilizer bar for a chassis of a motor vehicle, comprising: a torsion spring part (3) and two arms (4, 4') bent away from the torsion spring part (3); wherein the arms (4, 4 ') each comprising a shaped end portion (7, 7') having a through opening (10, 10') and a tubular portion (6, 6'), wherein the torsion spring portion (3) comprises a hardened structure having a strength of at least 1000 MPa; And wherein the shaped end portion (7, 7') comprises a hardened structure having a strength of at least 800 MPa. The invention also relates to a process for manufacturing a corresponding stabilizer.

Description

technical field [0001] The present invention relates to a stabilizer bar for the chassis of a motor vehicle and to a process or method for manufacturing such a stabilizer. Stabilizer bars are spring elements that counteract body roll of the vehicle, thereby improving the vehicle's dynamics and position on the road. The ends of the stabilizers are each connected to the wheel suspension of the vehicle axle. The stabilizer is attached to the vehicle body at both ends thereof. Background technique [0002] A method for manufacturing a tubular stabilizer bar is known from US 2007 / 0216126. The method comprises providing a tubular rod, heating said rod, quenching said rod and forming the tube into a desired shape by a bending operation. The stabilizer bar has a generally elongated central body with first and second stabilizer arms having first and second ends. After the bending operation, the first end portion and the second end portion are further formed into a shape that allo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60G21/055
CPCB60G21/055B60G2204/82B60G2204/8302B60G2204/8306B60G2206/012B60G2206/427B60G2206/8104B21D53/88B60G21/0551B60G2206/724B60G2206/81035B60G2206/81062C21D9/0068C21D1/25C21D1/673C21D2221/00B23K2101/06B23K2103/04B60G2206/72B60G2206/8103B60G2206/8106B60G2206/84C21D1/42C22C38/04Y02P10/25B21C37/08B23K31/027B60G11/18B60G2206/8201B60G2206/83C21D1/10C21D1/18C21D9/08
Inventor M·穆赫S·马塞多B·第泽尔
Owner MUHR UND BENNDER KG