Fuel injection valve

A fuel injection valve includes: a coil; a stationary core to generate a magnetic force; a movable structure including a moving core and a valve body and internally having a movable flow passage; and a body that internally accommodates the movable structure and internally has a part of the flow pass...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Imai, Keita, Goto, Moriyasu, Saizen, Makoto, Matsumoto, Shuichi
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A fuel injection valve includes: a coil; a stationary core to generate a magnetic force; a movable structure including a moving core and a valve body and internally having a movable flow passage; and a body that internally accommodates the movable structure and internally has a part of the flow passage. The movable structure includes a throttle portion at which a passage area of the movable flow passage is partially throttled. The flow passage includes a throttle flow passage defined by the throttle portion and a separate flow passage between the movable structure and the body. A passage area of the separate flow passage is smaller than a passage area of the throttle flow passage. A position of the separate flow passage in a direction perpendicular to a moving direction of the movable structure is different from an outermost peripheral position of the moving core.