Patent · US Active

Mechanically controllable valve drive arrangement

US9206716B2 · kind B2 · utility

0Cited by

2References

5Claims

0Family size

Assignee

KOLBENSCHMIDT PIERBURG INNOVATIONS GMBH · DE

Inventors

Martin Nowak · Leverkusen, DE
Karsten Grimm · Aachen, DE
Michael Breuer · Rottenburg am Neckar, DE

Key dates

Filing date	Dec 17, 2012
Grant date	Dec 8, 2015
Priority date	—
Expiry date	Dec 17, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2305/00
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A mechanically controllable valve drive arrangement includes gas exchange valves each having cylinders associated therewith, a camshaft comprising a peripheral contour, a bearing, an adjusting lever comprising a first end and a second end, a valve lift adjustment device comprising a control shaft which acts on the first end, and a transmission arrangement associated with a respective gas exchange valve. The adjusting lever is supported in the bearing. Each transmission arrangement comprises at least one intermediate lever arrangement comprising an engagement element, and an intermediate lever comprising a working cam, and at least one pivot lever arrangement comprising a pivot lever. The working cam is operatively connected to the pivot lever. The intermediate lever is operatively connected to the peripheral contour. The engagement element is operatively connected to the valve lift adjustment device. The second end of the adjusting lever is operatively connected to the engagement element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.