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Exhaust turbochargers and internal combustion engines

A technology of exhaust gas turbine and supercharger, which is used in gas turbine devices, internal combustion piston engines, combustion engines, etc.

Active Publication Date: 2019-11-15
VOLKSWAGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, the compressor efficiency and the width of the compressor characteristic field in the direction of the clogging limit are not negatively influenced to a significant extent by the regulator

Method used

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  • Exhaust turbochargers and internal combustion engines
  • Exhaust turbochargers and internal combustion engines
  • Exhaust turbochargers and internal combustion engines

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Embodiment Construction

[0095] figure 1A first embodiment of the internal combustion engine according to the invention is shown schematically. The internal combustion engine includes an engine 10 , which is preferably designed as a diesel engine, to which fresh gas is supplied via a fresh air system 12 . The compressor 14 of the exhaust gas turbocharger according to the invention is integrated into the fresh gas system 12 . Compressor 14 includes a regulator 16 . The section of fresh air system 12 extending between compressor 14 and engine 10 is referred to as charge air section 34 .

[0096] The directly injected fuel is combusted together with fresh gas in a combustion chamber 18 delimited by the cylinders of the engine 10 , pistons guided therein, and cylinder heads (not shown). Gases generated here are conducted away via an exhaust system 20 . The turbine 22 of the exhaust gas turbocharger is integrated into the exhaust train 20 . The turbine 22 is adjustable by means of a VTG device 24 .

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PUM

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Abstract

The invention relates to an exhaust gas turbocharger and an internal combustion engine, the exhaust gas turbocharger having a turbine (22) and a compressor (14) including a regulator (16), characterized in that the turbine (22) is aided by means of a VTG arrangement ( 24) and / or wastegate (26) are adjustable.

Description

technical field [0001] The invention relates to an exhaust gas turbocharger and an internal combustion engine comprising such an exhaust gas turbocharger. Background technique [0002] It is known to use one or more exhaust gas turbochargers for increasing the specific power and for reducing the specific fuel consumption of the internal combustion engine. [0003] The exhaust gas turbocharger has a turbine with a turbine wheel integrated into the exhaust system of the internal combustion engine and a compressor with a compressor wheel integrated into the fresh gas system of the internal combustion engine. The turbine wheel and compressor wheel are connected by a shaft. During operation of the internal combustion engine, the turbine wheel is passed by the exhaust gas flow and is thereby driven in rotation, the rotation being transmitted via the shaft to the compressor wheel. The resulting rotation of the compressor wheel produces the desired compression of the fresh gas. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B37/12F02B37/18
CPCF01D17/105F02B37/12F02B37/18F02B37/225F02B37/24F02C6/12F01D17/165F05D2220/40Y02T10/12
Inventor M.铬赖纳J.卡迈尔O.欣里希斯P.阿贝尔蒂J.巴托罗姆
Owner VOLKSWAGEN AG
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