Abstract: A control system for controlling vehicle door movement along a door sweep trajectory between a first position and a second position, can include one or more controllers, the control system configured to: receive a sensor signal; based on the sensor signal, generate an obstacle detection map of a sensor region in the vicinity of the vehicle, the obstacle detection map comprising a location of an obstacle if present; determine an overlap of the obstacle detection map and a projected door sweep region defined by the door sweep trajectory; and generate an output signal based on the determined overlap.

Abstract: The invention relates to a rotation sensor, comprising: —a stator (A) and rotor (B), arranged coaxially and forming a magnetic circuit (10, 20), the rotor being mounted angularly displaced with respect to the stator, —a primary winding, suitable for generating a magnetic field in the magnetic circuit, and —at least one secondary winding, characterized in that the magnetic circuit comprises at least one tooth (220) extending radially with respect to the axis (X-X) of the stator and of the rotor, and at least one notch (12) suitable for receiving said tooth, such that the tooth is separated from the notch by at least one tangential air gap (51) that is variable according to the angular displacement of the rotor with respect to the stator, the tooth and the notch being shaped so that, during a rotation of the rotor with respect to the stator, a variation in the width of the tangential air gap causes an increase or a decrease in the permeance of the air and, respectively, an increase or a decrease in the voltage

Abstract: A brake control unit includes a primary piston and a secondary piston that respectively define a primary chamber and a secondary chamber. The primary piston carries an intermediate piston that slides in the secondary piston. A primary insulating seal is disposed between the pistons such that the primary insulating section of the primary insulating seal only depends on the equivalent section connecting the force applied at the inlet and the secondary pressure. The ratio of the hydraulic sections is configured to be modified without having to intervene on the primary and secondary pressure seals for the main piston and the secondary seal by way of modifying the section of the plunger piston and that of the seal thereof.

Abstract: A master brake cylinder for a braking system of a vehicle is described, having a first pressure chamber. A first rod piston element is movable into at least a first partial pressure chamber of the first pressure chamber in such a way that a first partial residual volume of the first partial pressure chamber which is fillable with liquid is reducible by moving the first rod piston element. The master brake cylinder also includes a second partial pressure chamber of the first pressure chamber which is delimited from the first partial pressure chamber via at least one partial partition and into which a second rod piston element is movable in such a way that a second partial residual volume of the second partial pressure chamber which is fillable with liquid is reducible by moving the second rod piston element. Moreover, a manufacturing method is described for a master brake cylinder.

Abstract: The invention relates to a rotation sensor, comprising:—a stator (A) and rotor (B), arranged coaxially and forming a magnetic circuit (10, 20), the rotor being mounted angularly displaced with respect to the stator,—a primary winding, suitable for generating a magnetic field in the magnetic circuit, and—at least one secondary winding, characterized in that the magnetic circuit comprises at least one tooth (220) extending radially with respect to the axis (X-X) of the stator and of the rotor, and at least one notch (12) suitable for receiving said tooth, such that the tooth is separated from the notch by at least one tangential air gap (51) that is variable according to the angular displacement of the rotor with respect to the stator, the tooth and the notch being shaped so that, during a rotation of the rotor with respect to the stator, a variation in the width of the tangential air gap causes an increase or a decrease in the permeance of the air and, respectively, an increase or a decrease in the voltage at

Abstract: An electrohydraulic servo brake includes a master brake cylinder, which is controlled by a push rod. The push rod is configured to be actuated by a first auxiliary piston via a reaction disk. A plunger piston presses on the reaction disk. An end of the push rod is connected to the first auxiliary piston by a connection apparatus. The connection apparatus includes a rest for a rated compression spring, which rest is rigidly connected to the push rod, and a central piston, which rests against the reaction disk along an axis and is surrounded by a second auxiliary piston, which is placed against the reaction disk and is moved by the spring and is held in an end position by the central piston. The second auxiliary piston is configured to recede in relation to the central piston rigidly connected to the push rod.

Abstract: A brake system includes a master cylinder, an electric servo brake, and an electric motor. The electric motor drives a screw that engages a pair of helical gears which are each mounted on a respective shaft. Each shaft further mounts a gear that meshes with a respective gear rack. The electric servo brake includes a body that defines rails which guide the gear racks. A lever is supported on each end by one of the gear racks, and is connected to a support via a pivot point. The support lies flat against a side of a reaction disk that lies against a push rod that actuates the master cylinder.

Abstract: A master brake cylinder for a braking system of a vehicle has: a first filling volume, which is fillable with liquid, and whose first dimension is variable by adjusting at least one first piston wall; a second filling volume, which is fillable with liquid, and whose dimension is variable by adjusting at least one second piston wall; and a valve unit, the first filling volume being connected via the valve unit to the second filling volume in such a way that when the valve unit is switched into a first valve state, a joint first pressure chamber pressure prevails in the first filling volume and in the second filling volume.

Abstract: A brake-assist device for a motor vehicle having a servomotor is described. A servomotor has a plunger piston, a moving part, and an arrangement to move the moving part into position with respect to the plunger piston. The servomotor is actuated by a control rod. The control rod has a first end that presses upon the plunger piston and a second end to receive a force exerted by a brake pedal intended to be moved by a driver of the vehicle. The servomotor includes a sensor interposed in a contact space between the plunger piston and the moving part. A spring is compressed between the plunger piston and the moving part. The servomotor includes an arrangement for displacing the plunger piston in the contact space based on the driving mode. A stiffness of the spring is sufficiently high for an onset of braking to occur only with a striking force that is significantly higher during a reactive driving mode than it is during a calm driving mode.

Abstract: A primary piston component for a master cylinder of a hydraulic brake system includes a primary piston housing and an additional piston component, which is configured to be at least partially movable into a cavity of the primary piston housing. An inner piston body extends through the cavity along a central line of the primary piston component. A braking force applied on a brake actuating element is transferable at least partially on the inner piston body, and further on the primary piston housing. The additional piston component is at least partially movable into the cavity between the inner piston body and the primary piston housing, and a brake booster force is transferable at least partially on the additional piston component, and via the inner piston body on the primary piston housing. A method of operating a hydraulic brake system is also described.

Abstract: An electric brake booster includes an electric motor activating a booster piston acting on the master-cylinder during brake pedal activation. The booster piston is driven in the direction of the action of same on the master-cylinder by an electric motor linked to a mechanical transmission that includes a screw held by the motor shaft. The screw meshes with two symmetrical worm gears that are integral with respective transmission shafts housed in a bearing of the body of the brake booster. The two shafts each carry a spur gear that meshes with a rack of the booster piston. The shafts are free in translation relative to the screw and to the body of the electric brake booster but are integral with each other in the translational movement of same. The shafts are integrally connected in translation by a coupling member formed by a crosspiece carrying two rotation bearings.

Abstract: A brake control unit includes a primary piston and a secondary piston that respectively define a primary chamber and a secondary chamber. The primary piston carries an intermediate piston that slides in the secondary piston. A primary insulating seal is disposed between the pistons such that the primary insulating section of the primary insulating seal only depends on the equivalent section connecting the force applied at the inlet and the secondary pressure. The ratio of the hydraulic sections is configured to be modified without having to intervene on the primary and secondary pressure seals for the main piston and the secondary seal by way of modifying the section of the plunger piston and that of the seal thereof.

Abstract: An electrohydraulic servo brake includes a master brake cylinder, which is controlled by a push rod. The push rod is configured to be actuated by a first auxiliary piston via a reaction disk. A plunger piston presses on the reaction disk. An end of the push rod is connected to the first auxiliary piston by a connection apparatus. The connection apparatus includes a rest for a rated compression spring, which rest is rigidly connected to the push rod, and a central piston, which rests against the reaction disk along an axis and is surrounded by a second auxiliary piston, which is placed against the reaction disk and is moved by the spring and is held in an end position by the central piston. The second auxiliary piston is configured to recede in relation to the central piston rigidly connected to the push rod.

Abstract: A brake system includes a master cylinder, an electric servo brake, and an electric motor. The electric motor drives a screw that engages a pair of helical gears which are each mounted on a respective shaft. Each shaft further mounts a gear that meshes with a respective gear rack. The electric servo brake includes a body that defines rails which guide the gear racks. A lever is supported on each end by one of the gear racks, and is connected to a support via a pivot point. The support lies flat against a side of a reaction disk that lies against a push rod that actuates the master cylinder.

Abstract: The system includes a high-pressure accumulator connected to the primary chamber of the master cylinder and to the inlet of the ESP module by a solenoid valve. The connection between the primary chamber and the brake fluid reservoir is equipped with a solenoid valve. A control circuit controls the solenoid valve of the reservoir and the solenoid valve of the accumulator, depending on the braking method selected or imposed. The dynamic braking phase is broken down into two tasks, one with energy recovery that involves isolating the master cylinder from the wheel brakes until deceleration to a threshold speed, followed by another step until full stop that involves connecting the primary chamber alone to the high-pressure accumulator and to the ESP module to provide the latter with pressurized brake fluid from the accumulator and supply the wheel brakes for mechanical braking.

Abstract: A master brake cylinder for a braking system of a vehicle is described, having a first pressure chamber. A first rod piston element is movable into at least a first partial pressure chamber of the first pressure chamber in such a way that a first partial residual volume of the first partial pressure chamber which is fillable with liquid is reducible by moving the first rod piston element. The master brake cylinder also includes a second partial pressure chamber of the first pressure chamber which is delimited from the first partial pressure chamber via at least one partial partition and into which a second rod piston element is movable in such a way that a second partial residual volume of the second partial pressure chamber which is fillable with liquid is reducible by moving the second rod piston element. Moreover, a manufacturing method is described for a master brake cylinder.

Abstract: A brake system is described with a master cylinder actuated by a control rod connected to a plunger piston and an actuator piston acting directly on the primary piston. A hydraulic reaction piston is housed in the piston so it can be subjected to the pressure of the primary chamber and to the opposing action of a reaction spring. The plunger piston can push the reaction piston directly to push the master cylinder.

Abstract: Braking system with master cylinder (100), decoupled from the brake pedal and hydraulic brake booster (200), comprising a boost chamber (206) in which the rear of the piston (110) of the master cylinder (100) is inserted, supplied in a controlled manner by a high-pressure unit (300), supplying brake fluid under high pressure on command to the boost chamber in order to act on the piston (110) of the master cylinder (100), and an actuator chamber (209) receiving an actuator piston (220) connected to the control rod (230) of the brake pedal. A controlled hydraulic link (320, 321) connects the boost chamber (206) and the actuator chamber (209) and a further controlled hydraulic link (310, 311) connects the actuator chamber (209) to the chamber of a brake simulator (270).

Abstract: Braking system comprising a brake booster with electric motor driving the push rod of the piston of the master cylinder via a ball-screw connection and actuated by a control rod. In the casing connected to the master cylinder, the brake booster comprises an actuator piston guided in translational movement by at least two guide pins which are parallel to the axis of the master cylinder and which is driven in translational movement by a ball screw of which the screw, driven by the motor, is offset with respect to the axis of the master cylinder. The screw collaborates with a nut translationally as one with the actuator piston, and a bore of the actuator piston receives a boost piston equipped with a reaction disc and with a plunger piston connected to the control rod.

Abstract: An electric brake booster includes an electric motor activating a booster piston acting on the master-cylinder during brake pedal activation. The booster piston is driven in the direction of the action of same on the master-cylinder by an electric motor linked to a mechanical transmission that includes a screw held by the motor shaft. The screw meshes with two symmetrical worm gears that are integral with respective transmission shafts housed in a bearing of the body of the brake booster. The two shafts each carry a spur gear that meshes with a rack of the booster piston. The shafts are free in translation relative to the screw and to the body of the electric brake booster but are integral with each other in the translational movement of same. The shafts are integrally connected in translation by a coupling member formed by a crosspiece carrying two rotation bearings.