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Internal-combustion engine

A technology of internal combustion engine and compressor, applied in the direction of internal combustion piston engine, combustion engine, gas turbine device, etc., can solve the problem of isolation and achieve the effect of effective cooling

Inactive Publication Date: 2006-10-25
MAN ENERGY SOLUTIONS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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Method used

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Embodiment Construction

[0011] Refer below figure 1 and 2 The present invention will be described in more detail.

[0012] figure 1 A partial view of an exhaust gas turbocharger of an internal combustion engine according to the invention is shown in the region of guide vanes 10 of a compressor guide 11 . The compressor guide 11 is positioned downstream of the compressor rotor of the exhaust gas turbocharger, upstream of the so-called spiral housing of the exhaust gas turbocharger and downstream of the charge air cooler.

[0013] The compressor of the exhaust gas turbocharger is designed as a centrifugal compressor, so that the fluid inlet edge 12 and the fluid outlet edge 13 of the guide vane 10 of the compressor guide 11 extend in the axial direction of the compressor. Between the fluid inlet edge 12 and the fluid outlet edge 13 of each guide vane 10, a so-called pressure side 14 is formed on one side of the guide vane 10 and a so-called pressure side 14 is formed on the opposite side of the guid...

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Abstract

The invention relates to an internal combustion engine having an engine, an exhaust gas turbocharger and a charge air cooler, wherein the exhaust gas turbocharger comprises a turbine for depressurizing the exhaust gas flow leaving the engine and a A compressor for compressing a flow of combustion air delivered to said engine, wherein a charge air cooler is arranged between the compressor and the engine, and wherein the compressor has a compressor rotor with rotor blades and is arranged in the compression Compressor guide (11) with guide vanes (10) downstream of the machine rotor. According to the invention, holes (17, 18) are integrated in at least some guide vanes (10) of said compressor guide (11), wherein through said holes (17, 18) the charge air cooler The downstream split and cooled charge air is led back or directed into the uncooled air flow in the area of ​​the compressor guide (11).

Description

technical field [0001] The invention relates to an internal combustion engine according to the preamble of claim 1 . Background technique [0002] In order to increase the efficiency of the internal combustion engine, the prior art discloses equipping the internal combustion engine with an exhaust gas booster. In exhaust gas charging or turbocharging, the exhaust gas discharged from the engine is decompressed in a turbine, wherein the turbine drives a compressor in which the combustion air to be supplied to the engine is compressed. A charge air cooler is connected between the compressor and the engine to cool the compressed combustion air to a defined temperature. The efficiency of the internal combustion engine can be increased by means of such an exhaust gas charging or turbocharging. [0003] The compressor of the exhaust gas turbocharger has a compressor rotor and a compressor guide positioned downstream of the compressor rotor. The compressor guide has a plurality o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B29/04
CPCF01D5/18F02B37/16F02B37/225F02B37/24F02B39/00F02C6/12F02C7/14F04D29/444F04D29/5846F05D2220/40Y02T10/12F02B29/04F02B39/16
Inventor F·维尔德克
Owner MAN ENERGY SOLUTIONS SA