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Exhaust turbochargers for internal combustion engines

An exhaust turbine and supercharger technology, which is applied to gas turbine devices, machines/engines, mechanical equipment, etc., can solve the problems of increased installation cost, increased failure risk, and increased installation cost of exhaust turbochargers. The effect of reducing the working gap, reducing the total cost and reducing the installation investment

Inactive Publication Date: 2011-12-28
DAIMLER AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This necessary installation on both sides leads to more investment, so that the installation cost of the exhaust turbocharger increases, which in turn increases the overall cost of the car using this exhaust turbocharger
In addition, this increased investment leads to possible sources of error when installing the exhaust-gas turbocharger, which on the one hand increases the risk of failure and on the other hand may require follow-up work / additional work, which also makes the installation Elevated costs, with all associated disadvantages

Method used

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  • Exhaust turbochargers for internal combustion engines
  • Exhaust turbochargers for internal combustion engines
  • Exhaust turbochargers for internal combustion engines

Examples

Experimental program
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Embodiment Construction

[0038] In the description of the figures, the same reference numerals refer to the same elements.

[0039] figure 1 shows a combination of an axial slide for influencing the flow parameters in the region of the turbine inlet and a profiled sleeve for influencing the flow parameters in the region of the turbine outlet, whereas in figure 2 middle, figure 1 A one-piece guide grid is added to the assembly in , and the installation of the assembly in the turbine housing of an exhaust-gas turbocharger is shown, the one-piece guide grid has multiple A guide vane sinks into the guide vane base of the axial slide. image 3 A possible embodiment of a multi-part guide grid with a guide vane base body and a plurality of guide vanes is shown. Figure 4 shows the basis figure 2 The installation of the assembly, where, in Figure 4 , the one-piece guide grille is based on image 3 The multi-piece guide grid replacement, wherein the multi-piece guide grid is fixed in the turbine housi...

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Abstract

In an exhaust gas turbocharger for an internal combustion engine having a turbine housing for receiving a turbine wheel, having a guide device having guide elements for influencing flow parameters in a turbine wheel inlet area, a displaceable adjusting device associated with the guide device, and also a contour sleeve element for influencing flow parameters in a turbine wheel outlet area, the guide device, the contour sleeve element, and the adjusting device are inserted as a subassembly into the exhaust gas turbocharger housing via the turbine outlet area and firmly mounted in the turbine housing.

Description

technical field [0001] The invention relates to an exhaust-gas turbocharger for an internal combustion engine according to the preamble of claim 1 . Background technique [0002] Exhaust-gas turbochargers of this type for internal combustion engines are sufficiently known, which have a turbine housing for accommodating the turbine and a guide device with a function for influencing the flow in the region of the turbine inlet A guide element for parameters, the exhaust-gas turbocharger also has a movable adjustment device assigned to the guide device and a profiled sleeve element (a sleeve element with a certain shape) for influencing the flow parameters in the turbine outlet region . Specifically, for example, on the bearing housing side of the exhaust-gas turbocharger, a guide grid is arranged centrally in the turbine housing, in which guide grid it is possible to pass the guide grid with an axial slide The guide vanes sink into the base body of the axial slide to change t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D17/14F02C6/12
CPCF05D2230/50F01D17/143F05D2230/60F05D2220/40F05B2220/40F05B2230/60F02C6/12
Inventor T·希尔特
Owner DAIMLER AG
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