Hydraulische Schaltung für ein automatisiertes Doppelkupplungsgetriebe für Kraftfahrzeuge

摘要

The hydraulic circuit (10) has a countershaft transmission with two parallel power transmission branches, and two clutches. A high pressure circuit (16) has an actuator for the countershaft transmission or the clutches. A low pressure circuit (14) is provided for lubrication or cooling of elements of the twin clutch transmission, and an adjustment pump (20) is provided for supplying a variable high pressure for the high pressure circuit. A hydraulic safety switching is provided in the high pressure circuit for a pressure sensor.