| 摘要 |
A device for variably adjusting the timing control of gas exchange valves of an internal combustion engine. The device has a hydraulic phase adjustment device, a control valve and an auxiliary pressure source. The phase adjustment device can be brought into driving connection with a crankshaft and a camshaft, the phase adjustment device has at least two counter-working pressure chambers, and a phase relation of the camshaft relative to the crankshaft is variably adjustable by charging of the pressure chambers with pressure medium. The control valve has at least one inflow port and a first and a second working port. The inflow port is connectable to a pressure medium pump, and the first working port is connectable to the first pressure chamber and the second working port to the second pressure chamber.
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