Variable valve train for an internal combustion engine

A variable lift valve train for an internal combustion engine, including a pivoted lever with a transmission surface on one end, a counter running surface in a central region and, on a further end, a support element and a contact element, the transmission surface has a zero lift path and, adjoining...

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Bibliographische Detailangaben
Hauptverfasser:	SCHOBER MICHAEL, CHRISTGEN WOLFGANG
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	A variable lift valve train for an internal combustion engine, including a pivoted lever with a transmission surface on one end, a counter running surface in a central region and, on a further end, a support element and a contact element, the transmission surface has a zero lift path and, adjoining the zero lift path in lever pivoting direction, a lift path, the transmission surface being in contact with a valve opener, the counter running surface being loaded by at least one lift cam, the support element being guided on a lever guide section, the contact element, for adjusting a valve lift being loaded by an adjusting device in direction of the lever guide section, and the valve train including directly in a region of the pivoted lever, an effective and optionally additionally actuable element for creating an additional valve lift during a base circle phase of the lift cam.