Patent ID: 8881703
Filing Date: 2014-11-11
Classification: F01L

Abstract:
1. An apparatus for actuating at least one outlet valve of a valve-controlled internal combustion engine for a motor vehicle, comprising: an actuating element driven by a camshaft of the internal combustion engine; a first piston/cylinder unit arranged on the actuating element between a cam of the camshaft and the at least one outlet valve, where the first piston/cylinder unit is configured to hold the at least one outlet valve in a non-closed intermediate position during an engine braking mode with exhaust-gas backpressure; a second piston/cylinder unit arranged between the cam and the at least one outlet valve and configured as a valve play compensation element; and at least one valve train-side device exerting a force counter to and lower than an adjusting action of the valve play compensation element.