VALVE COOLING DEVICE OF INTERNAL COMBUSTION ENGINE

The present invention provides a valve cooling device of an internal combustion engine in which engine oil is circulated in a valve that faces a combustion chamber, the valve includes: a valve umbrella portion and a valve stem an inside of the valve stem is formed with: an oil introduction channel a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: ISHIMITSU KENGO
Format: Patent
Sprache:eng
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:The present invention provides a valve cooling device of an internal combustion engine in which engine oil is circulated in a valve that faces a combustion chamber, the valve includes: a valve umbrella portion and a valve stem an inside of the valve stem is formed with: an oil introduction channel and an oil lead-out channel a jet portion that includes a jet oil passage coaxially disposed with the oil introduction channel is provided in the extended direction of the valve stem, and the engine oil is injected from an orifice provided on a tip portion of the jet oil passage to an inner portion of the oil introduction channel.