Patent ID: 9027520
Filing Date: 2015-05-12
Classification: F01L

Abstract:
1. A reciprocating piston internal combustion engine comprising a crankcase in which at least one cylinder and one piston are arranged, with a cylinder head sealing the cylinder, inlet and outlet channels thereof each being controlled by at least one gas exchange valve that is constructed as an intake or exhaust valve and are actuatable by cams of at least one camshaft and transmission elements driven by the cams, the cams are constructed as sliding cam units with at least one cam per sliding cam unit and the cams are arranged in a rotationally fixed but axially movable manner on a base shaft, an adjustable device that has at least one extendable actuator pin that is actuatable for each of the sliding cam units for adjusting the respective ones of the sliding cam unit to different axial positions by slide grooves that interact with the actuator pin that are arranged on a periphery of the sliding cam unit, the adjusting device is arranged in a stationary manner on a component of the internal combustion engine and a device for fastening the sliding cam unit in different axial positions, and a cam area and a slide groove area of the sliding cam unit are constructed as separate cam and slide groove components that are fastenable to each other with a positive-fit connection and fixed in place to each other by their support on the base shaft after the positive-fit connection.