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Turbocharged combustion engine with an externally ignited combustion motor and method for operating such a combustion engine

A technology of internal combustion engines and internal combustion engines, applied in the direction of internal combustion piston engines, combustion engines, engine components, etc., can solve problems such as inability to ensure, and achieve the effect of reducing cooling and increasing driving power

Inactive Publication Date: 2016-08-17
VOLKSWAGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] It has been shown that the known solutions do not ensure a temperature of more than 500° C. in the particle filter even in the driving cycle with a small load, especially if the particle filter is arranged in the floor

Method used

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  • Turbocharged combustion engine with an externally ignited combustion motor and method for operating such a combustion engine
  • Turbocharged combustion engine with an externally ignited combustion motor and method for operating such a combustion engine

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Embodiment Construction

[0033] figure 1 A schematic diagram of the layout of a preferred embodiment of a superchargeable internal combustion engine 10 according to the invention is shown. The superchargeable internal combustion engine 10 is the drive unit of the vehicle 60 . It comprises an externally ignited internal combustion engine 12 , in particular a piston engine, for example here with four combustion chambers, in particular cylinders. After passing through the air filter 15 , the fresh gas 14 is conducted via a fresh gas line 16 to the externally ignited internal combustion engine 12 . A compressor 18 for compressing the fresh gas 14 is arranged in the fresh gas line 16 . Charge air cooler 20 is located downstream of compressor 18 . The compressed, cooled fresh gas 14 enters an intake manifold 24 , where it is divided into individual air flows to the four combustion chambers of the externally ignited internal combustion engine 12 exemplified here.

[0034] Downstream of the combustion cha...

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Abstract

The invention relates to a rechargeable internal combustion engine (10) with an externally ignited internal combustion engine (12), a fresh - gas flow (16) with at least one compressor (18), an exhaust system (26) with at least one turbine (28) and at least one particulate filter (30) Downstream of the turbine (28), and a secondary air line (38) which branches off from the fresh gas stream (16) downstream of the compressor (18). The secondary air line (38) opens into the exhaust system (26) upstream of the turbine (28). Such a chargeable internal combustion engine is charged by means of the compressor (18). Secondary air is introduced into the exhaust system (26) upstream of the turbine (28).

Description

technical field [0001] The invention relates to a superchargeable internal combustion engine with an externally ignited internal combustion engine, with an externally ignited internal combustion engine, with a fresh gas line with at least one compressor, with at least one exhaust of a turbine and at least one particle filter, a secondary air line arranged downstream of the turbine, the secondary air line from the fresh gas downstream of the compressor pipeline branch. Furthermore, the invention relates to a method with the above-mentioned features for operating a superchargeable internal combustion engine with external ignition of the internal combustion engine. Background technique [0002] During the combustion process of an internal combustion engine, in particular in an externally ignited internal combustion engine, soot particles are produced which are removed from the exhaust gas during driving operation by a particle filter arranged in the exhaust system of the inter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N3/30F01N3/05F02B37/10F02B39/10
CPCF01N3/05F01N3/30F02B37/10F02B39/10F01N3/021F01N3/326F01N3/34Y02T10/12
Inventor M.蒂勒R.奥珀曼D.哈格尔斯坦
Owner VOLKSWAGEN AG
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