Abstract: An electric brake system is disclosed.

Abstract: An electric brake system includes a hydraulic pressure supply device including a first pressure chamber provided at one side of a piston movably accommodated inside a cylinder block, and a second pressure chamber provided at other side of the piston, a first hydraulic flow path communicating with the first pressure chamber, second and third hydraulic flow paths branching from the first hydraulic flow path, a fourth hydraulic flow path communicating with the second pressure chamber, a fifth hydraulic flow path branching from the fourth hydraulic flow path and connected to the second hydraulic flow path, a sixth hydraulic flow path branching from the fourth hydraulic flow path and connected to the third hydraulic flow path, and first and second hydraulic circuit including flow paths branching from the second or third hydraulic flow path and connected to wheel cylinders.

Abstract: An electric brake system is disclosed.

Abstract: An electric brake system includes a hydraulic pressure supply device configured to generate hydraulic pressure using a piston which is operated by an electrical signal that is output corresponding to a displacement of a brake pedal, and including a first pressure chamber and a second pressure chamber, a first hydraulic flow path configured to communicate with the first pressure chamber, a second hydraulic flow path configured to communicate with the first pressure chamber, a third hydraulic flow path configured to communicate with the second pressure chamber, a fourth hydraulic flow path branching from the third hydraulic flow path and connected to the first hydraulic flow path, a fifth hydraulic flow path branching from the third hydraulic flow path and connected to the second hydraulic flow path.

Abstract: A piston pump assembly of an electronic controlled brake device for a vehicle includes: an inlet housing configured to accommodate a reciprocating piston and elastically support the piston; an outlet housing configured to accommodate the inlet housing and form a working chamber that allows a working fluid to be introduced from the inlet housing; an outlet ball valve accommodated in the working chamber to open and close a flow passage of the working fluid that is introduced from the inlet housing to the outlet housing; an outlet spring accommodated in the working chamber to elastically support the outlet ball valve toward the inlet housing; and a damper accommodated in the working chamber and mounted within the outlet spring to allow shape deformation while contacting the outlet ball valve. When the outlet ball valve is pushed and pressed toward an end of the working chamber, the damper generates viscous damping while discharging the accommodated working fluid into the working chamber.

Abstract: An electric brake system includes a hydraulic pressure supply device configured to generate hydraulic pressure using a piston which is operated by an electrical signal that is output corresponding to a displacement of a brake pedal, and including a first pressure chamber and a second pressure chamber, a first hydraulic flow path configured to communicate with the first pressure chamber, a second hydraulic flow path configured to communicate with the first pressure chamber, a third hydraulic flow path configured to communicate with the second pressure chamber, a fourth hydraulic flow path branching from the third hydraulic flow path and connected to the first hydraulic flow path, a fifth hydraulic flow path branching from the third hydraulic flow path and connected to the second hydraulic flow path.

Abstract: An electric brake system is disclosed.

Abstract: An electric brake system is disclosed.

Abstract: An electric brake system is disclosed.

Abstract: An electric brake system is disclosed.

Abstract: Disclosed herein is a pedal simulator for an active brake system. The pedal simulator includes a simulator block provided therein with a bore, a first reaction unit including a first reaction piston slidably installed in the bore, a first damping member installed at the first reaction piston, and a first reaction spring compressed by the first reaction piston, and a second reaction unit including a second reaction piston provided in the bore to support the first reaction spring and slide in the bore, a damping housing connected to the simulator block to be spaced a certain distance apart from the second reaction piston, a second reaction spring installed between the second reaction piston and the damping housing to be compressed by the second reaction piston, and a second damping member installed in the damping housing to contact the second reaction piston.

Abstract: Disclosed herein is a pedal simulator for an active brake system. The pedal simulator includes a simulator block provided therein with a bore, a first reaction unit including a first reaction piston slidably installed in the bore, a first damping member installed at the first reaction piston, and a first reaction spring compressed by the first reaction piston, and a second reaction unit including a second reaction piston provided in the bore to support the first reaction spring and slide in the bore, a damping housing connected to the simulator block to be spaced a certain distance apart from the second reaction piston, a second reaction spring installed between the second reaction piston and the damping housing to be compressed by the second reaction piston, and a second damping member installed in the damping housing to contact the second reaction piston. The second damping member is configured with an upper damper and a lower damper.

Abstract: A piston pump assembly of an electronic controlled brake device for a vehicle includes: an inlet housing configured to accommodate a reciprocating piston and elastically support the piston; an outlet housing configured to accommodate the inlet housing and form a working chamber that allows a working fluid to be introduced from the inlet housing; an outlet ball valve accommodated in the working chamber to open and close a flow passage of the working fluid that is introduced from the inlet housing to the outlet housing; an outlet spring accommodated in the working chamber to elastically support the outlet ball valve toward the inlet housing; and a damper accommodated in the working chamber and mounted within the outlet spring to allow shape deformation while contacting the outlet ball valve. When the outlet ball valve is pushed and pressed toward an end of the working chamber, the damper generates viscous damping while discharging the accommodated working fluid into the working chamber.

Abstract: Disclosed is an electro-hydraulic brake system including a master cylinder to generate hydraulic pressure according to pedal force applied to a brake pedal, a reservoir provided at an upper portion of the master cylinder to store oil, an intermediate pressure accumulator to store hydraulic pressure, a first motor and a first pump to suction oil through a channel connected to the reservoir and discharge the suctioned oil to the accumulator to create hydraulic pressure in the intermediate pressure accumulator in braking, a second motor and a second pump provided at an output side of the intermediate pressure accumulator to increase responsiveness in braking, two hydraulic circuits, each of the hydraulic circuits being connected to two wheels, and a flow control valve and a pressure reducing valve provided between the intermediate pressure accumulator and the two hydraulic circuits to control pressure transmitted from the intermediate pressure accumulator to a wheel cylinder installed at each of the wheels.

Abstract: Disclosed is an integrated electronic hydraulic brake system including an actuator having a master cylinder and a pedal simulator, an electronic stability control (ESC), and a hydraulic power unit (HPU) which are configured as a single unit. The integrated electronic hydraulic brake system may include an integrated hydraulic control unit and a power source unit, wherein the power source unit is separately provided to isolate the operational noise, and the integrated hydraulic control unit and the power source unit are connected to each other via an external pipe.

Abstract: Disclosed is a pressure damping device for a brake system. The pressure damping device is installed at the brake system having a hydraulic block provided with a first hydraulic circuit to control transfer of fluid pressures generated by a first port of a master cylinder and discharged from a first pump to a first wheel, and a second hydraulic circuit to control transfer of fluid pressures generated by a second port of the master cylinder and discharged from a second pump to a second wheel, and the hydraulic block includes a bore connecting the master cylinder with discharge outlets of the first and second pumps and formed between first and second main oil paths to communicate with the first and second main oil paths, and a pressure damping unit provided in the bore and having a volume changed according to the fluid pressures from the first and second pumps.

Abstract: Disclosed is a solenoid valve for a brake system which improves an assembly structure of components configuring the valve to enhance durability and control performance of the valve. The solenoid valve for a brake system includes a seat housing installed at a bore of a modulator block and provided with a through hole formed therethrough, a valve seat installed at the through hole of the seat housing and provided with an orifice, a sleeve provided with a hollow and connected to the seat housing, a magnetic core, an armature installed at the sleeve, and a return spring installed in the sleeve, wherein the armature includes an upper armature formed of a magnetic material, and a lower armature formed of a non-magnetic material, wherein the through hole of the seat housing is provided with a guide region having a diameter corresponding to an outer diameter of the lower armature.

Abstract: Disclosed herein is a pedal simulator for an active brake system. The pedal simulator includes a simulator block provided therein with a bore, a first reaction unit including a first reaction piston slidably installed in the bore, a first damping member installed at the first reaction piston, and a first reaction spring compressed by the first reaction piston, and a second reaction unit including a second reaction piston provided in the bore to support the first reaction spring and slide in the bore, a damping housing connected to the simulator block to be spaced a certain distance apart from the second reaction piston, a second reaction spring installed between the second reaction piston and the damping housing to be compressed by the second reaction piston, and a second damping member installed in the damping housing to contact the second reaction piston.

Abstract: Disclosed herein is a pedal simulator for an active brake system. The pedal simulator includes a simulator block provided therein with a bore, a first reaction unit including a first reaction piston slidably installed in the bore, a first damping member installed at the first reaction piston, and a first reaction spring compressed by the first reaction piston, and a second reaction unit including a second reaction piston provided in the bore to support the first reaction spring and slide in the bore, a damping housing connected to the simulator block to be spaced a certain distance apart from the second reaction piston, a second reaction spring installed between the second reaction piston and the damping housing to be compressed by the second reaction piston, and a second damping member installed in the damping housing to contact the second reaction piston. The second damping member is configured with an upper damper and a lower damper.

Abstract: Disclosed is an electro-hydraulic brake system including a master cylinder to generate hydraulic pressure according to pedal force applied to a brake pedal, a reservoir provided at an upper portion of the master cylinder to store oil, an intermediate pressure accumulator to store hydraulic pressure, a first motor and a first pump to suction oil through a channel connected to the reservoir and discharge the suctioned oil to the accumulator to create hydraulic pressure in the intermediate pressure accumulator in braking, a second motor and a second pump provided at an output side of the intermediate pressure accumulator to increase responsiveness in braking, two hydraulic circuits, each of the hydraulic circuits being connected to two wheels, and a flow control valve and a pressure reducing valve provided between the intermediate pressure accumulator and the two hydraulic circuits to control pressure transmitted from the intermediate pressure accumulator to a wheel cylinder installed at each of the wheels.