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Turbocharger

A turbocharger and turbine technology, applied in carburetor, machine/engine, combustion air/combustion-air treatment, etc., can solve the problems of lack of space, long mixing path of intake pipe, and increase of installation space.

Inactive Publication Date: 2011-11-16
BORGWARNER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Here, with regard to the most homogeneous intake flow possible into the compressor, it is advantageous to mix the recirculated exhaust gas with the fresh air as completely as possible, but without the injection of further measures this would result in Very long mixing path in the intake manifold
This increases the installation space required for the intake path, which is usually not available in the engine compartment of modern vehicles

Method used

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Examples

Experimental program
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Embodiment Construction

[0012] figure 1 The turbocharger 1 shown in has a turbine 4 with a turbine wheel 14 arranged in a turbine housing 13 . The turbine wheel 14 is connected via a rotor shaft 15 to the compressor wheel 6 of the compressor 5 , which is arranged in a compressor housing 7 .

[0013] An exhaust gas recirculation line 3 from the engine 2 leads via a regulating valve 19 and a cooler 20 through an exhaust gas mixing opening 12 into an intake line 10 of the engine 2 . A mixing device 18 , in particular a flower mixer, is arranged via a mixer holder 23 upstream of the compressor inlet 11 in the inlet line 10 . The radial component of the flow direction S of the air compressed by the compressor wheel 6 in the diffuser 8 is indicated by the arrow S here.

[0014] Also shown is a supply line 16 from the compressor discharge 9 to the engine 2 and also an exhaust line 17 from the engine 2 to the turbine housing 13 .

[0015] With the described arrangement of the exhaust gas recirculation lin...

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Abstract

The present invention relates to a turbocharger (1) for an internal combustion engine (2) comprising at least one exhaust gas recirculation line (3), via which an exhaust gas mixing opening (12) enters into an intake line (10) of the internal combustion engine (2), further comprising a turbine (4) and a compressor (5), which is driveably connected to the turbine (4) and has a compressor impeller (6) that is disposed in a compressor housing (7), into which the intake line (10) empties via a compressor inlet (11), wherein a mixing device (18) is disposed in the intake line (10) between the exhaust gas mixing opening (12) and the compressor inlet (11).

Description

technical field [0001] The invention relates to a turbocharger according to the preamble of claim 1 . Background technique [0002] A generic turbocharger is known from DE 42 13 047 . [0003] Turbochargers of the described type are used in internal combustion engines which, in order to comply with the legally prescribed exhaust gas limit values, recirculate a large amount of exhaust gas into the intake tract of the engine over a wide operating range . In the current state of the art this is done by so-called high-pressure exhaust gas recirculation. In this respect, low-pressure side exhaust gas recirculation has greater potential. Here, the exhaust gas is drawn downstream of the turbine after being discharged from the diesel particulate filter and recirculated via a regulating valve (and if appropriate via a cooler) into fresh upstream of the compressor of the exhaust gas turbocharger. in the air channel. Here, with regard to the most homogeneous intake flow possible i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B37/22F02M9/04F02M25/07F02M29/04
CPCF02M25/0718F02M25/0709Y02T10/121Y02T10/146F02M25/0722F02M35/10222F02M29/04Y02T10/144F02M25/0727F02M35/10262F02B37/225F02M26/06F02M26/15F02M26/19F02M26/23Y02T10/12F02B37/22F02M9/04
Inventor S·穆恩兹
Owner BORGWARNER INC