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Control device for internal combustion engine

A technology for internal combustion engines and control devices, applied in mechanical equipment, engine control, engine components, etc., can solve the problems that the condensate may be transported and damaged when the internal combustion engine is restarted, and reduce the risk of freezing the control device , reduce exhaust emissions, and avoid freezing effects

Active Publication Date: 2020-01-07
PIERBURG GMBH & CO KG NEUSS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is not possible to reduce pollutant emissions immediately after a cold start
Even at higher temperatures, condensation may form when the combustion engine is switched off and cooled, and when the combustion engine is restarted, this condensate may be fed into the compressor and cause damage there

Method used

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  • Control device for internal combustion engine
  • Control device for internal combustion engine
  • Control device for internal combustion engine

Examples

Experimental program
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Embodiment Construction

[0028] figure 1 A control device 10 for an internal combustion engine according to a first exemplary embodiment of the invention is shown. The regulating device 10 includes an intake passage 14, through which air is delivered to the internal combustion engine; and an exhaust gas recirculation passage 18, which is perpendicular to the central axis 22 of the intake passage and leads into the intake passage 14, and the exhaust gas can pass through the intake passage 14 for recirculation. The exhaust gas recirculation channel 18 is sealed relative to the intake channel 14 by a seal 26 .

[0029] A valve seat 34 is formed at the end opening 30 of the exhaust gas recirculation channel 18 . Arranged in the intake channel 14 is a control body 38 , via which control body the recirculated exhaust gas flow from the exhaust gas recirculation channel 18 can be controlled. The control body 38 is pivotable by means of an actuator (not shown) along a pivot axis 42 orthogonal to the central...

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PUM

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Abstract

The invention relates to a control device (10) for an internal combustion engine, comprising an exhaust gas recirculation channel (18), an air suction channel (14) into which the exhaust gas recirculation channel (18) enters, a valve seat (34) embodied on a mouth (30) at the end of the exhaust gas recirculation channel (18), and a valve disk (58) that can be placed on the valve seat (34) by meansof an actuator such that the mouth (30) of the exhaust gas recirculation channel (18) can be closed. The valve seat (34) and / or the valve disk (58) form an at least single-curved concave surface (64,74), and the valve disk (58) is elastic.

Description

technical field [0001] The invention relates to a control device for an internal combustion engine. The control device comprises: an exhaust gas recirculation channel; an intake channel, the exhaust gas recirculation channel leads into the intake channel; a valve seat, the valve seat is located in the exhaust gas recirculation channel at the orifice at the end; and a valve disc which can rest on the valve seat by means of an actuator in order to be able to close the orifice of the exhaust gas recirculation channel. Background technique [0002] Regulating devices of this type are known in the prior art for regulating the recirculated off-gas. In order to reduce pollutants, the exhaust gas of the internal combustion engine is led back to the internal combustion engine through the exhaust gas recirculation channel by opening the control valve. Reducing the concentration of nitrogen oxides in the recirculated exhaust gas through post-combustion in internal combustion engines r...

Claims

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Application Information

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IPC IPC(8): F02M26/21F02M26/50F02M26/70F16K1/20F16K1/36
CPCF16K1/2014F16K1/36F02M26/50F02M26/21F02M26/54F02M26/67F02M26/70F02D2009/0276
Inventor 霍尔格·帕弗拉斯
Owner PIERBURG GMBH & CO KG NEUSS
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