Abstract: A method for controlling an electronically slip-controllable power-brake system with redundant generation of brake pressure. Under certain operating conditions, a shift in the pressure-volume characteristic curve towards higher pressures may arise in such power-brake systems. If the actual progression of the pressure-volume characteristic curve deviates from the target progression to an extent which can no longer be tolerated, a correction is required. To this end, a pressure-medium volume must be released from the brake circuit into a reservoir of the power-brake system. A method with which the release of pressure medium into the reservoir may be carried out in a controlled manner. The method can be carried out during a braking procedure without undesired noises or unexpected changes in the deceleration arising. It can be implemented by control technology and therefore in a particularly cost-effective manner.

Abstract: A method for braking a vehicle. The method includes: sensing a braking request signal which represents a target deceleration of the vehicle; generating, using a first pressure generating device, a hydraulic brake pressure in a wheel-brake cylinder based on the sensed braking request signal; detecting a fault state of the first pressure generating device; ascertaining a replacement braking request signal if a fault state of the first pressure generating device is detected, the replacement braking request signal being ascertained based on a target deceleration known at a predetermined time point prior to the detection of the fault state; and generating, using a brake pressure control system, a replacement brake pressure in the wheel-brake cylinder based on the ascertained replacement braking request signal, which brake pressure control system has a second pressure generating device which is hydraulically coupled to the wheel-brake cylinder.

Abstract: A primary piston assembly for a master brake cylinder of a braking system of a vehicle, including a first primary piston component having a first piston element to which a driver braking force is transmittable in such a way that a pressure chamber volume of a pressure chamber of a master brake cylinder of the braking system which is fillable with liquid is reducible by moving the first piston element with the aid of the driver braking force, and a second primary piston component having a second piston element to which the first braking assisting force is transmittable in such a way that the pressure chamber volume of the pressure chamber is reducible by moving the second piston element with the aid of the first braking assisting force.

Abstract: A brake booster coupling device includes: a braking piston, an input piston displaceable by an operation of a brake input element from its starting position by a driver braking distance, a force transmission between the input piston displaced by a driver braking distance below a predefined threshold value and the braking piston is suppressed, and a booster piston displaceable with the aid of the brake booster drive such that the braking piston, which contacts the booster piston, is displaceable with the aid of the brake booster drive from a non-braking position into a braking position; a contact element displaceable by a displacement of the braking piston from the non-braking position into the braking position such that a first contact surface of the contact element contacts a second contact surface of the input piston in such a way that a driver brake force is transmittable to the braking piston.

Abstract: A primary piston assembly for a master brake cylinder of a braking system of a vehicle, including a first primary piston component having a first piston element to which a driver braking force is transmittable in such a way that a pressure chamber volume of a pressure chamber of a master brake cylinder of the braking system which is fillable with liquid is reducible by moving the first piston element with the aid of the driver braking force, and a second primary piston component having a second piston element to which the first braking assisting force is transmittable in such a way that the pressure chamber volume of the pressure chamber is reducible by moving the second piston element with the aid of the first braking assisting force.

Abstract: A brake booster coupling device is described having a braking piston, an input piston, which is displaceable in the event of an operation of a brake input element from its starting position by a driver braking distance, a force transmission between the input piston, which is displaced by a driver braking distance below a predefined threshold value, and the braking piston is suppressed, and a booster piston, which is displaceable with the aid of the brake booster drive in such a way that the braking piston, which contacts the booster piston, is displaceable with the aid of the brake booster drive from a non-braking position into at least one braking position, the brake booster coupling device including a contact element, which is displaceable and/or deformable in the event of a displacement of the braking piston from the non-braking position into the at least one braking position in such a way that a first contact surface of the contact element contacts a second contact surface of the input piston, which is di