Variable displacement engine assembly including partial boost arrangement

An engine assembly may include an engine structure, a first intake valve, a first valve lift mechanism, a second intake valve, a second valve lift mechanism, and a boost mechanism. The first intake valve may be located in a first intake port and the first valve lift mechanism may be engaged with the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	E. J. KEATING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	An engine assembly may include an engine structure, a first intake valve, a first valve lift mechanism, a second intake valve, a second valve lift mechanism, and a boost mechanism. The first intake valve may be located in a first intake port and the first valve lift mechanism may be engaged with the first intake valve. The second intake valve may be located in a second intake port and the second valve lift mechanism may be engaged with the second intake valve and operable in first and second modes. The second intake valve may be displaced to an open position during the first mode and may be maintained in a closed position during the second mode. The boost mechanism may be in communication with an air source and the first intake port and isolated from the second intake port.