Patent ID: 8622038

Claim:
A device for variably adjusting control times of gas exchange valves of an internal combustion engine having a crankshaft, comprising: a hydraulic phase setting device; a camshaft; and a pressure accumulator, the phase setting device being connectable with the crankshaft by a drive connection, and said phase setting device being fixedly connected to the camshaft so as to rotate with the camshaft, a phase relation of the camshaft relative to the crankshaft being variably adjustable by the phase setting device, an interior of the camshaft having a cavity, wherein the pressure accumulator is arranged in the cavity and communicates with the phase setting device, wherein the pressure accumulator includes a housing arranged in the cavity and a longitudinally displaceable piston guided in the housing, the housing is arranged in a stationary manner in the cavity by a connection between the housing and a radially outer wall of the cavity.