EGR one-way valve and EGR system

The utility model discloses an EGR one-way valve and an EGR system, and belongs to the technical field of EGR, the EGR one-way valve comprises a valve seat, the bottom of the valve seat is provided with a water drainage port communicated with the outside, the water drainage port is connected with a...

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Bibliographische Detailangaben
Hauptverfasser:	LI SHOUCANG, LI WEI, WANG JUNLI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses an EGR one-way valve and an EGR system, and belongs to the technical field of EGR, the EGR one-way valve comprises a valve seat, the bottom of the valve seat is provided with a water drainage port communicated with the outside, the water drainage port is connected with a water drainage pipe, the water drainage pipe is provided with an electric control valve, and a liquid level sensor is arranged in the water drainage pipe above the electric control valve. The electric control valve and the liquid level sensor are electrically connected with an engine controller respectively; the EGR system comprises an EGR cooler and an EGR pipeline, the EGR pipeline is provided with the EGR one-way valve, condensate water accumulated in the one-way valve can be discharged, the one-way valve is prevented from being damaged due to the condensate water and freezing, and the faults of engine fire, aftertreatment ablation, low measurement precision of a humidity sensor and the like caused by EGR flow r