FUEL INJECTION VALVE

A fuel injection valve (10) has a valve member (2) arranged to be controllably movable in an axial direction toward and away from a circular valve seat (4) so as to control fuel flow from a port (5) downstream from the valve seat. An axial fuel passage (7) extends from upstream of the valve seat (4)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WATANABE, HARUO, OKAMODO, YOSHIO, HAMASHIMA, EIJI, NAKAMURA, YOJO, KASHIWAYA, MINEO, HIROYUKI, ANDO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS WEAPONS
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Beschreibung
Zusammenfassung:	A fuel injection valve (10) has a valve member (2) arranged to be controllably movable in an axial direction toward and away from a circular valve seat (4) so as to control fuel flow from a port (5) downstream from the valve seat. An axial fuel passage (7) extends from upstream of the valve seat (4) through a clearance between the seating portion and the seat (4) for producing a substantially non-swirling fuel flow from the port (5). A transverse fuel passage (8) is also provided and the transverse fuel passage extends tranversely to the axial passage and communicates with the axial fuel passage at a location offset to a diameter of the valve seat for producing a swirling fuel flow from the port (5). A combination of swirling and non-swirling fuel flow is thus supplied by the port (5), for producing finer fuel droplets of improved distribution.