Variable valve mechanism and intake air amount control apparatus of internal combustion engine

A variable valve mechanism of an internal combustion engine capable of changing at least one of two valve physical quantities, i.e., valve operation angle and valve lift, has a valve lift adjustment mechanism that adjusts the at least one valve physical quantity with a higher precision in a region w...

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Bibliographische Detailangaben
Hauptverfasser:	NAKANO SHUUJI, KAWASE HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A variable valve mechanism of an internal combustion engine capable of changing at least one of two valve physical quantities, i.e., valve operation angle and valve lift, has a valve lift adjustment mechanism that adjusts the at least one valve physical quantity with a higher precision in a region where the at least one valve physical quantity is relatively small than in a region where the at least one valve physical quantity is relatively large. Therefore, a size increase of the variable valve mechanism can be avoided, and the mechanism can easily be incorporated into the engine.