| 摘要 |
A camshaft adjuster which has a control valve and at least one pressure-controlled positioning valve which is connected to a pair of control chambers. The control chambers each have an early chamber and a late chamber and one of the control chambers is designed in such a manner that, in an unenergized basic position of the control valve, in order to set a middle position, the smaller of the early and late chambers of the one of the control chambers is connected to a supply line and the larger of the early and late chambers of the one of the control chambers is connected to a removal line.
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