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cooler

A technology for coolers and coolants, applied in the field of exhaust gas recirculation coolers and coolers, which can solve the problems of condensed water accumulation, increase the risk of water droplet corrosion damage, damage, etc., and achieve the effect of simplifying the structure

Inactive Publication Date: 2016-09-14
MAHLE INT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

here, may be damaged by mechanical and corrosion
In particular, the compressor wheel in the compressor, which rotates at high speed, is exposed, increasing the risk of damage from corrosion by water droplets
In addition, condensation can accumulate and freeze in a way that is unfavorable for ambient conditions
Here, especially the compressor wheel is exposed, increasing the risk

Method used

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Examples

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Embodiment Construction

[0054] according to figure 1 , an internal combustion engine 1 comprising: a cylinder block 2 having several combustion chambers 3; a fresh air system 4 for supplying fresh air to the combustion chambers 3; an exhaust system 5 for discharging exhaust gas from the combustion chambers 3; and exhaust gas recirculation System 6 for recirculating exhaust gas from exhaust system 5 to fresh air system 4 . The fresh air system 4 comprises: a fresh air filter 7 ; a compressor 8 of the exhaust gas turbocharger 9 ; a charge air cooler 10 ; and a throttling device 11 , for example in the form of a throttle valve.

[0055] The charge air cooler 10 is connected to a cooling circuit 12 . The exhaust system 5 comprises a turbine 13 of an exhaust-gas turbocharger 9 connected to the compressor 8 via a drive shaft 14 . Furthermore, the exhaust system 5 contains a catalytic converter 15 and a throttle device 16 , for example in the form of a sensor flap.

[0056] The exhaust gas recirculation ...

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PUM

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Abstract

The invention relates to a cooler (18) for cooling an air flow (25), in particular for an internal combustion engine (1), preferably for a motor vehicle, comprising a cooler block (23) having an air flow (25) capable of A gas path (27) through which the coolant can flow and a coolant path (28) through which the coolant can flow, the gas path and the coolant path being thermally coupled to each other in a media-separated manner. The risk of condensation in the gas flow can be reduced by means of a liquid separator (24) for separating the liquid in the gas flow (25), which is arranged on the cooler block (23) at the outlet of the gas path (27) side (26).

Description

technical field [0001] The invention relates to coolers for cooling gas streams, in particular exhaust gas recirculation coolers for cooling recirculated exhaust gases. Furthermore, the invention relates to the use of such coolers. Background technique [0002] A cooler typically comprises a cooler block having a gas path through which a gas flow can flow and a coolant path through which a coolant can flow, the gas path and the coolant path being thermally coupled to each other in a media-separated manner. [0003] Such coolers are used in a variable manner in vehicles. A typical form of application arises in exhaust gas recirculation, where exhaust gas is fed from an exhaust system external to the fresh air system, so that the recirculated exhaust gas is mixed with fresh air upstream of the combustion chamber of the internal combustion engine. Such exhaust gas recirculation (EGR) has proven to be beneficial for the fuel consumption and emission release of internal combust...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28F17/00
CPCF28F17/005F28F2245/02F28F2245/04F28F2265/18F28F2265/22F02M26/28F02M26/30F02M26/32F02M26/35F01N3/005Y02T10/12
Inventor 哈拉尔德·里格尔哈特穆特·绍特哈特穆特·佐拉
Owner MAHLE INT GMBH