Patent ID: 8662041
Filing Date: 2014-03-04
Classification: F01L

Abstract:
1. Device for variable adjustment of control times of gas exchange valves of an internal combustion engine, comprising a hydraulic phase adjustment device, a camshaft, a volume accumulator, a first fastening element constructed separately from the camshaft, and a central screw, the central screw penetrates the phase adjustment device, and one end of the central screw contacts an axial side surface of the phase adjustment device and a first thread is constructed on the other end, an interior of the camshaft has a hollow space in which the first fastening element is mounted fixed in position, a second thread is constructed on the first fastening element, said second thread interacts with the first thread of the central screw such that a rotationally locked connection is established between the device and the camshaft, and a volume accumulator with a housing is arranged in the hollow space, and one axial end of the housing contacts a contact surface of the first fastening element.