Device for controlling an automatic transmission

A device for the hydraulic control of a continuously variable automatic transmission, comprising a forward/reverse drive unit (4), which is shifted by means of at least one first and one second shifting component (5, 6), the first and second shifting components (5, 6) are pressurized by means of at least two valves (7, 8, 17, 18, 20, 21) via a pressurized medium pump (9), and with a gear selector device (15), with which selection may be made among at least one forward gear (D), one neutral gear (N), and one reverse gear (R), and which is mechanically connected to a control unit (14), for selection of the gears, the control unit (14) possesses a non-mechanical connection (32) for actuation of the valves (7, 8, 17, 18, 20, 21), a first valve (7), which is pressurized with system pressure, is controlled via a first pressure regulator valve (10) and adjusts pressure with which the first and second shifting components (5, 6) are pressurized, along with at least one other valve (8, 17, 18) that selects which of the first and second shifting components (5, 6) will be pressurized with an output pressure of the first valve (7), the device further comprises a third and fourth valve (17,18) which are used to select whether the first and second shifting components (5, 6) that are connected in series in each case shall be pressurized with the output pressure of the first valve (7), the first shifting component is a brake which is pressurized via the third valve (17) and the second shifting component is a clutch which is pressurized via the fourth valve (18), and furthermore the fourth valve (18) is additionally controlled by means of a third pressure regulator valve (19), the third pressure regulator valve (19), which controls the fourth valve (18), also controls a consumer (1), and in that the third and fourth valves (17, 18) are controlled via a first solenoid valve (11).