Brake system comprising an actuating element (10), an input piston (16) is displaced by the control of the element (10) of an actuating travel, a piston of the outlet (12) receiving the brake force (f) exerted by the driver on the element (10) by the displacement of the input piston (16), moves and increases the pressure in the cylinder piston -. During the actuation of the element (10) according to the travel (x) of less than the minimum travel a spring (20), is deformed in order to prevent the transmission of the force (f) on the piston (12); for a control of the element (10) of a travel (x) of less than the minimum travel, the piston (12) is moved by the amplifier (22) and increases the pressure in the cylinder piston -. The present invention also relates to a process for management of such a system of brakes.
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