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Variable turbine geometry for a charging device

A technology of charging equipment and turbines, which is used in mechanical equipment, gas turbine devices, engine components, etc.

Active Publication Date: 2015-07-01
BMTS TECH SHANGHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there must also be some clearance so that disturbances due to different temperature expansions of the individual components can be safely avoided

Method used

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  • Variable turbine geometry for a charging device
  • Variable turbine geometry for a charging device
  • Variable turbine geometry for a charging device

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Embodiment Construction

[0018] refer to Figure 1 to Figure 4 , according to the invention, a variable geometry turbine 1 of a charging device 2 (for example, an exhaust gas turbocharger), which is only schematically represented, comprises a blade mounting ring 3 on which a plurality of guide blades 4 are rotatably mounted. on ring 3 (see image 3 and Figure 4 ). In order to rotate the guide vanes 4 synchronously and thus also to regulate the flow to the turbine of the charging device 2 (not shown), an adjustment ring 5 is provided which can be rotated relative to the blade mounting ring 3 . The adjusting ring 5 in this case surrounds the blade mounting ring 3 at least partially coaxially, wherein according to the invention a spring device 6 is additionally provided, which is directed towards the blade mounting ring 3 against the adjusting ring in the radial direction. 5 Elastically preload. Here, the spring device 6 comprises at least one spring 7 mounted in the blade mounting ring 3 in radial ...

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Abstract

The turbine (1) has guide vanes rotatably supported at a blade bearing ring (2), and a rotatable adjusting ring (5) for rotation of the guide vanes relative to the blade bearing ring. Radial plates (12) adjust and / or fix the adjusting ring in a radial direction and / or adjust a radial clearance (13) of the adjusting ring. The radial plates are eccentrically or asymmetrically formed with respect to a fastening retainer, where the radial plates are attached in the fastening retainer in a rotationally fixed manner and in an installation position.

Description

technical field [0001] The present invention relates to a variable geometry turbine (VTG) for a charging plant having a blade mounting ring on which a plurality of guide blades are rotatably mounted. Furthermore, the invention likewise relates to a charging plant with at least one variable geometry turbine / compressor. Background technique [0002] A charging device such as an exhaust gas turbocharger can be equipped with a variable geometry turbine. A variable geometry turbine is provided provided with movable guide vanes which are able to change or influence the inflow cross-section of the exhaust gas over the turbine wheel. With such a variable geometry turbine, the inflow of exhaust gas on the turbine side to the turbine wheel can be varied, so that by means of the variable geometry turbine the rotational speed of the turbine wheel and thus the output of the exhaust gas turbocharger can be influenced. On the compressor side, a variable geometry compressor can be used to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01D17/16F01D17/20F02C6/12F02C9/20
CPCF05D2260/38F01D17/165F05D2220/40
Inventor 迪克·瑙恩海姆弗洛里安·伦茨克里斯托弗·布切尔
Owner BMTS TECH SHANGHAI CO LTD
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