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Turbocharger

A technology of turbochargers and turbines, which is applied in the direction of gas turbine devices, machines/engines, combustion engines, etc., to achieve the effect of reducing the amount of machining, reducing parts, and reducing production and assembly costs

Active Publication Date: 2014-06-04
BORGWARNER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Doing so also comes with a high level of expenditure and is therefore not desirable, given the extremely constrained space conditions in reality

Method used

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Embodiment Construction

[0022] figure 1 A turbocharger 1 according to the invention is shown having a turbine housing 2 and a compressor housing 3 connected thereto via a bearing housing 19 . The housings 2, 3 and 19 are arranged along an axis R of rotation. The turbine housing 2 is partially shown in cross-section in order to illustrate the arrangement of a blade support ring 6 as part of a radially outer guide grid 18 having guide vanes 7 distributed On this circumference and there are a plurality of pivots or blade axes 8 . In this way, nozzle sections are formed which are larger or smaller depending on the position of the guide vanes 7 and which act to a greater or lesser extent with the exhaust gases of the engine on this mounted on the axis of rotation R On the central turbine rotor 4 , the exhaust gas is supplied via a supply duct 9 and discharged via a central connection 10 , thereby driving a compressor rotor 17 on the same shaft via the turbine rotor 4 .

[0023] In order to control the ...

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PUM

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Abstract

The invention relates to a turbocharger (1) with variable turbine geometry (VTG), having a turbine housing (2) with a supply duct (9) for exhaust gases, having a turbine rotor (4) which is rotatably mounted in the turbine housing (2); and having a guide grate (18), which surrounds the turbine rotor (4) radially at the outside, which has a blade bearing ring (6), which has a multiplicity of guide blades (7) which have in each case one blade shaft mounted in the blade bearing ring (6), which has an adjusting ring (5) which is operatively connected to the guide blades (7) by means of associated blade levers (20) fastened to the blade shafts (8) at one of their ends, with each blade lever (20) having, at the other end, a lever head (23) which can be placed in engagement with an associated engagement recess (24) of the adjusting ring (5), and which has a stop (25) at least for setting the minimum throughflow through the nozzle cross sections formed by the guide blades (7), wherein the stop (25) is formed as a partially hollow adjusting pin.

Description

technical field [0001] The invention relates to a turbocharger. Background technique [0002] A turbocharger of this type is known from EP 1 564 380 A1. In order to prevent weakening of the adjusting ring, said document proposes a stop integrally connected to the adjusting ring and consisting of a web whose width can be varied or equipped with an adjustable worm screw. The design described does in some way give the possibility of an adjustable stop, but a stop constructed in this way is practically impracticable because, above all, the space conditions require the insertion of a Worm screw, which additionally requires an internal thread to be provided in the one-piece stop part, and furthermore it is necessary to provide the worm screw with a locking facility in order to be able to fix the setting made. Doing so is also accompanied by a high level of expenditure and is therefore not desirable, considering the extremely constrained space conditions in reality. Contents o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B37/24F02B37/22F01D17/06F02B39/00
CPCF05D2220/40F01D17/165Y02T10/144F02B37/24Y02T10/12F02B39/00F02C6/12
Inventor T·拉姆伯
Owner BORGWARNER INC