Exhaust gas recirculation valve

A cylindrical poppet valve (5), one end face of which is hemispherical, is mounted at an angle in a junction (4) of an intake air passage (2) and an EGR passage (3). The poppet valve (5) moves away from a valve seat (7), thereby gradually opening the EGR passage (3), while at the same time the hemis...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KURIHARA AKIHIRO, HASEGAWA SATORU
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:	A cylindrical poppet valve (5), one end face of which is hemispherical, is mounted at an angle in a junction (4) of an intake air passage (2) and an EGR passage (3). The poppet valve (5) moves away from a valve seat (7), thereby gradually opening the EGR passage (3), while at the same time the hemispherical leading end thereof enters the intake air passage (2), thereby gradually closing the intake air passage (2). Dispersion of the EGR gas entering the intake air passage (2) from the EGR passage (3) is facilitated by a gas dispersion space (8), whereby the EGR gas is uniformly mixed with intake air and introduced to a turbocharger.