A hydraulic control unit is provided, including a hydraulic control apparatus with a bidirectional pressurization function, where the hydraulic control apparatus includes a second hydraulic chamber and a first hydraulic chamber. The second hydraulic chamber provides a braking force for a first group of wheel cylinders through a first brake line provided with a first control valve. The first hydraulic chamber provides a braking force for a second group of wheel cylinders through a second brake line provided with a second control valve.

The present disclosure relates to an electronic brake system including a reservoir in which the pressurized medium is stored, a hydraulic pressure supply device provided to generate a hydraulic pressure by moving a hydraulic piston forward or backward and having a first pressure chamber provided on a front side of the hydraulic piston and a second pressure chamber provided on a rear side of the hydraulic piston, a hydraulic control unit provided to control a flow of the hydraulic pressure to be transmitted from the hydraulic pressure supply device to a wheel cylinder, a longitudinal acceleration sensor provided to detect a longitudinal acceleration of a vehicle, and a controller provided to control the hydraulic pressure supply device and the hydraulic control unit, wherein the controller determines the hydraulic pressure generated by the hydraulic pressure supply device based on the longitudinal acceleration of the vehicle, determines a braking mode based on the determined hydraulic pressure, and performs the determined braking mode.

Disclosed is a device for moving a brake pedal. The device for moving a brake pedal according to the present embodiment comprises: a lead screw fixed to an input rod of the brake pedal and having a first screw thread formed on the outer circumferential surface thereof; a first anti-rotation unit that prevents rotation of the lead screw; an actuator that provides power; a rotator rotated by the actuator; and a nut that rotates together with the rotator and is provided to be slidably movable with respect to the rotator, and that has a second screw thread formed on the inner circumferential surface thereof for meshing with the first screw thread.

Disclosed is an apparatus for moving a brake pedal. The apparatus for moving a brake pedal according to the disclosure includes a push rod connecting the brake pedal and a piston of a master cylinder to displace the piston according to a pedal effort of the brake pedal, actuator generating power, a screw configured to displace the piston by receiving a rotational force from the actuator and performing a translational motion, and an anti-rotation portion preventing rotation of the screw, wherein the push rod passes through the screw and is connected to the piston to generate displacement of the piston independently with respect to the translational motion of the screw, and the screw is connected to the actuator to receive the rotational force, and by converting the rotational force into the translational motion by the anti-rotation portion, generates the translational motion of the piston, the push rod, and the brake pedal connected to the screw.

A brake device for a vehicle includes: a brake pedal having a pedal portion and a lever portion that rotates about a rotation axis when the pedal portion is operated; a housing that rotatably supports the lever portion; and a plate member configured to generate a reaction force with respect to the lever portion in response to a stroke amount of the brake pedal. The plate member has a longitudinal surface defined by a side extending in a longitudinal direction of the plate member and a side extending in a width direction of the plate member. The longitudinal surface is arranged so as to face the lever portion. When the pedal portion is operated, the plate member is bent to generate the reaction force.

A brake device includes: a brake pedal including a pedal and a lever that rotates about a rotation axis when the pedal is operated; a housing that rotatably supports the lever; a reaction force generator that generates a reaction force to the lever in accordance with a stroke amount of the brake pedal by receiving a force from the lever when the brake pedal is operated; a deformation member including a deformation portion that is deformed by a force received from the lever when the brake pedal is operated in a state where the reaction force generated by the reaction force generator is generated; and a stroke sensor that outputs a signal corresponding to the stroke amount and outputs a value indicating that operation of the brake pedal is abnormal and instructing execution of control for stopping a vehicle when the deformation portion is deformed.

An electronic mechanical brake system and a vehicle. The electronic mechanical brake system includes a brake pedal, an electronic brake mechanism, a mechanical brake mechanism, a brake, and a switch mechanism with a first state and a second state. The electronic brake mechanism includes a controller and an electronic signal sensor. The controller, the electronic signal sensor, and the brake are electrically connected. When the switch mechanism is in the first state, the electronic signal sensor is configured to receive a braking signal of the brake pedal and transmit the braking signal to the controller. The controller controls the brake to brake based on the braking signal. The electronic mechanical brake system can improve driving safety. In addition, reliability of the mechanical brake system is high, and costs are low.

A retarding control assembly for a brake valve may include a bleed line configured for arrangement between a spring chamber of a brake command assembly and a tank line. The bleed line may include a check valve configured to allow fluid flow from the spring chamber to the tank and a check valve bypass configured to allow fluid flow from the tank line to the spring chamber passed the check valve and defining a restricted pathway.

A drilling of a hydraulic unit of a service brake assembly of a vehicle hydraulic-power brake system.

A cuboidal hydraulic block of a hydraulic power unit of a slip-controlled power vehicle braking system includes a power cylinder borehole, a receptacle for a pedal travel simulator in parallel to the power cylinder borehole, perpendicularly through two large sides of the hydraulic block, and perpendicularly to a master brake cylinder borehole. The master brake cylinder borehole extends, in parallel to an upper transverse side, from one longitudinal side of the hydraulic block to an opposite longitudinal side of the hydraulic block. In an intended installation and usage position, an electrical plug connection is situated beneath a lower transverse side of the hydraulic block.