CONNECTING ROD HAVING AN ADJUSTABLE CONNECTING ROD LENGTH WITH A MECHANICAL ACTUATING MEANS

Adjustable-length connecting rod (100, 200) 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 (100, 200), which hydraulic cylinder has at least one piston and a first hydraulic operating chamber (21) and a second hydraulic operating chamber (22), a hydraulically actuable control device (8) which can be switched over at least between two switching states with an actuating piston (23) for controlling the adjustment of the connecting rod (100, 200), and a mechanically actuable actuating device (9) for switching the control device (8), which actuating device (9) is operatively connected via at least one hydraulic actuating line (11, 12) tothe actuating piston (23) of the control device (8) for actuating it hydraulically. 本发明涉及一种用于往复活塞式发动机、特别是用于往复活塞式内燃机的长度可调的连杆(100，200)，其具有：用于对连杆(100，200)的有效连杆长度(L)进行调节的液压缸，该液压缸具有至少一个活塞以及第一液压工作腔(21)和第二液压工作腔(22)；可液压操作的和至少在两个切换状态