Patent ID: 8042672
Filing Date: 2011-10-25
Classification: F16D,F16H

Abstract:
1. A hydraulic arrangement for controlling a twin-dutch transmission of a motor vehicle, comprising: a first pump; a second pump; a valve; a hydraulic energy source for supplying hydraulic energy to the hydraulic arrangement by a hydraulic medium; a pressure accumulator for storing the hydraulic energy; a clutch cooling means for cooling clutches of the twin-clutch transmission with a hydraulic medium; a transmission lubrication means and/or a transmission cooling means for cooling and/or lubricating the twin-clutch transmission with the hydraulic medium; and a prioritization means or a prioritization device prioritizing a supply of the hydraulic medium to the pressure accumulator and to the clutch cooling means, and prioritizing the supply of the hydraulic medium to the clutch cooling means and to the transmission lubricating means and/or transmission cooling means, wherein the first pump and the second pump are separately driven and individually connected to the valve, the valve in turn is connected to the clutch cooling means and the transmission cooling and lubricating means, and one of the pumps is connected to a clutch actuation system.