FIELD: machine building.
SUBSTANCE: invention relates to automotive transmissions. Dual clutch and gear box control unit contains on-off valves (68) and (69) with electrically control, when switching on dispatch cylinder actuators of friction clutches of dual clutch with force main (30). When switching off the valves (68) and (69) communicate cylinder actuators of friction clutches with inputs of four-port on-off valve (97) with hydraulic control, control inputs of which are connected to the outputs of the valves (68) and (69). One of the valve outputs (97) communicates with discharge line (66), and other output is connected to the input of auxiliary on-off valve (98) with electrically control. Output of the valve (98) when it is switched on communicates with flow line (66), and when switched off, it communicates with the flow line (30).
EFFECT: it shall be possible to continue movement of the vehicle when signals from the electronic control unit of the dual clutch and gear box have ceased to be received.
6 cl, 2 dwg
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