Patent ID: 7827958
Filing Date: 2010-11-09
Classification: F01L

Abstract:
1. A gas exchange valve actuating device for_an internal combustion engine having a valve operating lever ( 10 ) for transmitting a drive movement from a camshaft ( 28 ) to at least one gas exchange valve ( 11 , 12 ) and having an internal combustion engine braking unit ( 13 ) coupled to the valve operating lever ( 10 ) for directly mechanically transmitting thereto an activating force for opening the at least one gas exchange valve ( 11 , 12 ) in a braking mode operation of the internal combustion engine the engine braking unit ( 13 ) including a hydraulic unit for transmitting the actuating force to the valve operating lever ( 10 ) of the at least one gas exchange valve ( 11 , 12 ) and a one-piece housing unit ( 15 ) which has at least one first support structure ( 16 ) for a slave piston ( 17 ) and at least one second support structure ( 18 ) for a master piston ( 19 ) of the hydraulic unit.