Valve lift changeable device of internal combustion engine

The utility model discloses a valve lift changeable device of an internal combustion engine. The device comprises a cam, an upper rocker arm, a lower rocker arm, a linkage mechanism and a valve unit. The linkage mechanism comprises a middle rocker arm and a connecting rod, and the valve unit compris...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LUO HUAHUAN, ZHI YUSHENG, MO JIANSHAO, XIAO GUOQUAN, FU WENLAN, CHEN GUANHUA, XIAO JINGSHENG, WANG FEIHUA, CHEN GANG, LU QITANG, DENG JIANXIONG, MO DONGQIANG, LIAN SHAOLING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a valve lift changeable device of an internal combustion engine. The device comprises a cam, an upper rocker arm, a lower rocker arm, a linkage mechanism and a valve unit. The linkage mechanism comprises a middle rocker arm and a connecting rod, and the valve unit comprises a valve, a valve guide rod and a pre-tensioning spring. The middle rocker arm swings in the plane between the upper rocker arm and the lower rocker arm and can move vertically or shift transversely, so that the valve lift is changed. The valve lift changeable device can continuously adjust the valve lift within a large range, is simple in structure and has good linear output, control performance and interchangeability.