Patent ID: 7635058

Claim:
Hydraulic control device for an automatic dual-clutch transmission having a first clutch and a second clutch, said hydraulic control device comprising: a control valve unit setting at least one hydraulic parameter from the group consisting of pressure and volume flow for actuating the first and second clutches, said control valve unit comprising: a first control valve a second control valve, and a switching valve unit, wherein by means of the control valve unit the clutches can be separated from the control valve unit; the switching valve unit comprising: a first switching valve, and a second switching valve, wherein the first and second switching valve can both be operated by means of a control signal; a separating valve that can be operated by means of a first control signal and by means of a second control signal and can separate the clutches from the control valve unit, the separating valve assuming a normal position when the second control signal is applied, so that at least one of the clutches can be operated by the control valve unit.