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Turbocharger with adjustable vanes

A turbocharger, turbine technology, applied in the direction of supporting elements of blades, machines/engines, gas turbine devices, etc.

Active Publication Date: 2020-05-19
BORGWARNER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the case of general-purpose turbochargers, this may only be achievable with compromises in terms of weld quality and / or wear resistance

Method used

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  • Turbocharger with adjustable vanes
  • Turbocharger with adjustable vanes
  • Turbocharger with adjustable vanes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] figure 1 A turbocharger 1 according to the invention is shown having a turbine housing 2 and a compressor housing 3 connected to said turbine housing by a bearing housing 19 . The housings 2 , 3 and 19 are arranged along the axis R of rotation. The turbine housing 2 is partly shown in section in order to show the arrangement of the blade bearing ring 6 as part of a radially outer guide 18 having a pivot axis or blade axis distributed over the circumference and having 8 a plurality of guide vanes 7 . In this way, depending on the position of the guide vanes 7 a larger or smaller nozzle cross-section is formed, and the exhaust gas of the internal combustion engine and / or the fuel cell supplied via the supply line 9 and discharged via the central connecting pipe 10 passes through the nozzle cross-section Impinges more or less centrally on the turbine wheel 4 mounted on the axis of rotation R in order to drive via the turbine wheel 4 a compressor wheel 17 arranged on the ...

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PUM

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Abstract

The invention relates to a turbocharger with a variable cross-section turbine, having a turbine housing with a supply duct for exhaust gas; having a turbine wheel rotatably mounted in the turbine housing; and having a A guide that surrounds the turbine wheel radially on the outside, the guide has a blade bearing ring; the guide has a plurality of guide vanes, each with a blade shaft mounted in the blade bearing ring; the guide has an adjusting ring through Associated vane rods fixed at one end to the vane shaft are operatively connected to the guide vanes, wherein each vane rod has a rod head at the other end which may be provided with an associated engagement recess of the adjustment ring and having an actuating device with an internal rod disposed in the turbine casing and connected to the adjusting ring by an adjusting pin having a welded bolt on which the wear sleeve is disposed.

Description

technical field [0001] The present invention relates to turbochargers. Background technique [0002] A turbocharger of this type is known from EP 1 564 380 A1. [0003] For connecting the inner rod of the actuating device, an adjustment pin is provided, which is connected to the adjustment ring on one side and engages with the inner rod on the other side. A premium base material combined with a wear-optimized surface ensures durability. However, in the case of general purpose turbochargers, this can only be achieved by compromising on weld quality and / or wear resistance. Contents of the invention [0004] It is therefore an object of the present invention to provide a turbocharger with which a high welding quality and high wear resistance of the adjusting pin of the turbocharger guide can be achieved. [0005] Accordingly, the present invention provides a turbocharger with a variable-section turbine having a turbine housing with a supply duct for exhaust gas; having a t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01D17/16
CPCF01D17/165F02C6/12F05D2220/40F02B37/24Y02T10/12F01D5/04F01D9/041F01D25/24F05D2230/22F05D2240/54F05D2260/50
Inventor T·拉姆伯
Owner BORGWARNER INC