VALVE SHIELD FOR AN INTERNAL COMBUSTION ENGINE

An engine is provided with a cylinder head defining a lubrication gallery intersecting a valve guide bore wall, and a valve guide. The valve guide has inner and outer walls intersecting valve-side and port-side ends. The inner wall defines a channel extending from an intermediate region of the guide...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	WICKS, Christopher Donald
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CRANKCASE VENTILATING CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	An engine is provided with a cylinder head defining a lubrication gallery intersecting a valve guide bore wall, and a valve guide. The valve guide has inner and outer walls intersecting valve-side and port-side ends. The inner wall defines a channel extending from an intermediate region of the guide to the valve-side end. The guide defines a passage extending outwardly from the channel at the intermediate region to the outer wall, with the passage fluidly connected to the gallery. Pressurized lubricant is provided to a lubrication gallery intersecting a valve guide bore wall of the cylinder head. Lubricant is directed from the gallery into a passage extending through an intermediate region of a valve guide. A moving valve stem positioned within the guide is lubricated by flowing lubricant from the passage into a channel intersecting the inner wall of the guide and to a valve end of the guide.