Avl List Gmbh

Iwis Motorsysteme Gmbh & Co. Kg

Thomas Weberbauer

Andreas Krobath

Siegfried Loesch

Devaraj Doraiswamy

Johann Felgitscher

Bernhard Hausmann

Juergen Pichler

Jürgen Pichler

A reciprocating-piston machine, in particular an internal combustion engine with a variable compression ratio, having a length adjustment device arranged in a connecting rod and can be activated by way of a switching unit arranged in the connecting rod, wherein an actuating mechanism is operatively connected to the switching unit in the region of a connecting rod bearing in order to introduce a switching pulse into the connecting rod. The actuating mechanism has a transmission means arranged in the region of the connecting rod bearing, and the switching unit has at least one switching valve which is arranged in the connecting rod body of the connecting rod and the valve body, which can be displaced substantially in the direction of the rotational axis of the connecting rod bearing, and can be deflected out of a dosed position into an open position by way of the transmission means.

Reciprocating-piston machine

Adjustable-length connecting rod () for a reciprocating piston engine, in particular for a reciprocating piston internal combustion engine, having a hydraulic cylinder for adjusting an effective connecting rod length (L) of the connecting rod (), which hydraulic cylinder has at least one piston and a first hydraulic operating chamber () and a second hydraulic operating chamber (), a hydraulically actuable control device () which can be switched over at least between two switching states with an actuating piston () for controlling the adjustment of the connecting rod (), and a mechanically actuable actuating device () for switching the control device (), which actuating device () is operatively connected via at least one hydraulic actuating line () to the actuating piston () of the control device () for actuating it hydraulically.

Connecting rod having an adjustable connecting rod length with a mechanical actuating means

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Graz, Austria

Thomas Weberbauer