Valve seat of waste gas circulating valve

The utility model relates to a valve seat of a waste gas circulating valve. The valve seat comprises a valve seat body, a first connecting flange and a second connecting flange, the first connecting flange is connected with the intake manifold; the second connecting flange is connected with the valv...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHANGGUAN FUCHENG, WU GUANGXING, LIU WANYAO
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 relates to a valve seat of a waste gas circulating valve. The valve seat comprises a valve seat body, a first connecting flange and a second connecting flange, the first connecting flange is connected with the intake manifold; the second connecting flange is connected with the valve body; the valve seat body is provided with an air channel penetrating through the valve seat body,the first connecting flange and the second connecting flange. A mounting groove for embedding the connecting end of the valve body is formed in the upper end surface of the second connecting flange,a stainless steel gasket is arranged at the bottom of the mounting groove, a spring groove is formed in the bottom wall of the mounting groove, a buffer spring is arranged in the spring groove, and ahole site corresponding to the spring groove and the air channel is formed in the stainless steel gasket. Due to the arrangement of the stainless steel gasket, the isolation valve seat and the valve body, adhesion of the valve